Daikin Industries, Ltd.

Japan

Back to Profile

Receive daily alerts for new
USPTO trademarks filed by this owner
1-100 of 5,003 for Daikin Industries, Ltd. and 3 subsidiaries Sort by
Query
Patent
World - WIPO
Excluding Subsidiaries
Aggregations Reset Report
Owner / Subsidiary
[Owner] Daikin Industries, Ltd. 5,003
Daikin Europe N.v. 61
Daikin America, Inc. 12
Nippon Muki Co., Ltd. 1
Date
New (last 4 weeks) 63
2021 January (MTD) 16
2020 December 71
2020 November 22
2020 October 76
See more
IPC Class
F25B 1/00 - Compression machines, plant or systems with non-reversible cycle 605
F24F 11/02 - Arrangement or mounting of control or safety devices 498
F25B 13/00 - Compression machines, plant, or systems, with reversible cycle 226
F24F 13/20 - Casings or covers 223
F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plant or systems 203
See more
Found results for  patents
  1     2     3     ...     51        Next Page

1.

COMPRESSOR, AND REFRIGERATION DEVICE

      
Application Number JP2020021574
Publication Number 2021/005918
Status In Force
Filing Date 2020-06-01
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Toyama Toshiyuki

Abstract

A compressor (1) is provided with: a compressing mechanism (15) accommodated inside a casing (10); a housing (18) in which a crank chamber (19) is formed; and a first oil return passage (31) for downwardly guiding lubricating oil that has flowed into the crank chamber (19). The first oil return passage (31) is provided with an oil return guide (32) which causes the lubricating oil to undergo contraction flow. An upper portion of the casing (10) forms an oil separating space (S2) in which lubricating oil is separated from high-pressure refrigerant discharged from the compressing mechanism (15). The compressor (1) is additionally provided with a second oil return passage (33) for downwardly guiding the lubricating oil that has been separated in the separating space (S2). An outlet of the second oil return passage (33) is disposed in the vicinity of an outlet of the oil return guide (32).

IPC Classes  ?

2.

SURFACE TREATMENT AGENT

      
Application Number JP2020023737
Publication Number 2021/005981
Status In Force
Filing Date 2020-06-17
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamashita, Tsuneo
  • Maehira, Takeshi
  • Katsukawa, Kenichi
  • Mitsuhashi, Hisashi

Abstract

The present invention provides a surface treatment agent comprising component (A), which is a compound represented by formula (1A) or (2A), component (B), which is a compound represented by formula (1B) or (2B), and component (C), which is one or more fluorochemical oils.

IPC Classes  ?

  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
  • C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon

3.

LEARNING DEVICE, ESTIMATION DEVICE, AND ENVIRONMENT ADJUSTMENT SYSTEM

      
Application Number JP2020026384
Publication Number 2021/006240
Status In Force
Filing Date 2020-07-06
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nishikawa, Yuki
  • Hashimoto, Satoshi
  • Hori, Shouta
  • Uchiyama, Akira
  • Higashino, Teruo

Abstract

The present invention accurately estimates a sleeping state of a sleeping person on the basis of deep body temperature influencing sleep. This learning device (30) learns the quality of sleep of a sleeping person. The learning device (30) is provided with an acquisition unit (31), a learning unit (32), and a generation unit (33). The acquisition unit (31) acquires, as state variables, feature amounts pertaining to the deep body temperature of the sleeping person, or feature amounts pertaining to the skin temperature of the sleeping person. The feature amounts of the deep body temperature are determined on the basis of at least a first deep body temperature when the sleeping person falls asleep. The feature amounts pertaining to the skin temperature are determined on the basis of at least a first skin temperature when the sleeping person falls asleep. The learning unit (32) learns the state variables and the quality of sleep in association with each other. The generation unit (33) generates a learning model on the basis of the learnt result from the learning unit (32). The learning model receives inputs of the feature amounts pertaining to the deep body temperature or the feature amounts pertaining to the skin temperature of the sleeping person, and outputs the quality of sleep.

IPC Classes  ?

  • F24F 11/63 - Electronic processing
  • G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
  • G06N 20/00 - Machine learning
  • A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
  • A61B 5/01 - Measuring temperature of body parts
  • A61B 5/16 - Devices for psychotechnics; Testing reaction times

4.

HEAT EXCHANGER AND HEAT EXCHANGE UNIT

      
Application Number JP2020027038
Publication Number 2021/006336
Status In Force
Filing Date 2020-07-10
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Matsumoto Yoshiyuki
  • Andou Tooru
  • Hirokawa Tomoki
  • Kusaka Hideyuki

Abstract

A plurality of heat transfer tubes (40) and a plurality of fins (45) are provided in the heat exchanger (30). A plurality of tube openings (46) are formed in the fins (45). The plurality of tube openings (46) of the fins (45) constitute an opening row (50). The tube opening (46) at the lowermost position in the opening row (50) is a non-insertion opening (47) into which the heat transfer tube (40) is not inserted.

IPC Classes  ?

  • F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
  • F28F 1/02 - Tubular elements of cross-section which is non-circular
  • F28F 1/32 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
  • F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
  • F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
  • F28F 9/02 - Header boxes; End plates
  • F24F 13/22 - Means for preventing condensation or evacuating condensate
  • F24F 13/30 - Arrangement or mounting of heat-exchangers
  • F24F 1/0067 - Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins

5.

WATER-REPELLENT POLYMER AND WATER REPELLENT AGENT COMPOSITION

      
Application Number JP2020026918
Publication Number 2021/006319
Status In Force
Filing Date 2020-07-09
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Inamasu, Rena
  • Yamamoto, Ikuo
  • Takahashi, Kanako

Abstract

22=CA1-C(=O)-O-R1-A2-R2[in the formula, A1represents a hydrogen atom, a methyl group, a chlorine atom, a bromine atom, or an iodine atom, A2222-NH-, R1represents a hydrocarbon group having 1-5 carbon atoms, and R2 represents a hydrocarbon group having 7-40 carbon atoms].

IPC Classes  ?

  • C08F 20/38 - Esters containing sulfur
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
  • D06M 15/263 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof

6.

WATER QUANTITY ADJUSTMENT DEVICE

      
Application Number JP2020026076
Publication Number 2021/006184
Status In Force
Filing Date 2020-07-02
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Ohura, Ryuuta
  • Kotani, Takuya

Abstract

In refrigeration cycle devices for performing water cooling of a heat exchanger, circulation pumps that cause cooling water for performing heat exchange to circulate are locally procured, and it was previously impossible for a refrigeration cycle device to directly control a circulation pump. This water quantity adjustment device (10) is provided with a water quantity adjustment valve (11), a first temperature sensor (12), a second temperature sensor (13), and a control unit (40). The water quantity adjustment valve (11) adjusts the quantity of water flowing through water piping (5). The first temperature sensor (12) measures the temperature of the water piping (5) at the inlet of a heat exchanger (23). The second temperature sensor (13) measures the temperature of the water piping (5) at the outlet of the heat exchanger (23). The control unit (40) controls the opening degree of the water quantity adjustment valve (11) on the basis of the difference between the measured temperature from the first temperature sensor (12) and the measured temperature from the second temperature sensor (13).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • F24F 11/87 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
  • F25B 39/04 - Condensers

7.

SCROLL COMPRESSOR

      
Application Number JP2020020279
Publication Number 2021/005895
Status In Force
Filing Date 2020-05-22
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Toyama Toshiyuki

Abstract

According to the present invention, a drive shaft (40) is provided with: a first oil flow passage (46) that extends on the center line of a main shaft (41) in the axial direction of the drive shaft (40) and has an inflow hole (46b) open in the upper end surface (42a) of an eccentric shaft (42); and a second oil flow passage (45a) that extends in the axial direction around the first oil passage (46) and has an annular cross-section. The second oil flow passage (45a) constitutes an oil supply path for supplying oil transported by a pump (80) to a sliding section (43) between a boss section (38) and the eccentric shaft (42). A third oil flow passage (47) is provided that sends oil, which has flowed out from the sliding section (43) to a chamber (55), to the inflow hole (46b) of the first oil flow passage (46). The first oil flow passage (46) constitutes an oil discharge path for returning oil, which has flowed in from the inflow hole (46b), to a storage section (26).

IPC Classes  ?

  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
  • F04C 29/02 - Lubrication; Lubricant separation 

8.

INTERIOR AIR-CONDITIONING DEVICE

      
Application Number JP2020026842
Publication Number 2021/006312
Status In Force
Filing Date 2020-07-09
Publication Date 2021-01-14
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nishimoto Motomi
  • Tanaka Naohiro

Abstract

An interior air-conditioning device supplies low-oxygen-concentration air to storage to maintain the oxygen concentration of interior air in a target oxygen concentration range that is lower than a reference concentration. The interior air-conditioning device also performs an oxygen concentration restoration operation. The oxygen concentration restoration operation raises the oxygen concentration of the interior air from the target oxygen concentration range to the reference concentration. A controller of the interior air-conditioning device regulates the flow rate of exterior air supplied to the interior of the storage in the oxygen concentration restoration operation.

IPC Classes  ?

  • F25D 23/00 - General constructional features
  • A01F 25/00 - Storing agricultural or horticultural produce; Hanging-up harvested fruit
  • A23B 7/148 - Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
  • B65D 88/74 - Large containers having means for heating, cooling, aerating or other conditioning of contents
  • F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators

9.

COMPOSITION FOR FORMING FLUORINE-CONTAINING SEALING MATERIAL

      
Application Number JP2020023466
Publication Number 2021/002186
Status In Force
Filing Date 2020-06-15
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Maruyama, Shigeru
  • Maehira, Takeshi

Abstract

The present invention provides a composition for forming a fluorine-containing sealing material, said composition containing: (I) a fluorine-containing polymer which contains a constituent unit derived from a fluoroalkyl group-containing (meth)acrylic acid ester monomer represented by formula (1), and which is composed of one or both of the fluorine-containing polymers (A) and (B) described below; and (II) carbon black. (A) a fluorine-containing polymer which contains a constituent derived from a monomer component containing the above-described fluoroalkyl group-containing (meth)acrylic acid ester monomer and an Si atom-containing polymerizable monomer (B) a fluorine-containing polymer which contains a constituent derived from a monomer component containing the above-described fluoroalkyl group-containing (meth)acrylic acid ester monomer and a constituent derived from an Si atom-containing mercaptan (In the formulae, the symbols are as defined in the description.)

IPC Classes  ?

  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers

10.

METHOD FOR PRODUCING ALKANE

      
Application Number JP2020025617
Publication Number 2021/002344
Status In Force
Filing Date 2020-06-30
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Etou, Yuusuke
  • Nakamura, Shingo

Abstract

The present disclosure addresses the problem of producing a chlorinated alkane at a high conversion rate (yield) and with high selectivity. This method for producing an alkane includes a step for subjecting an alkane to a chlorination reaction. The chlorination reaction step is carried out using a zeolite as a catalyst.

IPC Classes  ?

  • C07C 17/04 - Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
  • C07B 61/00 - Other general methods
  • C07C 19/10 - Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

11.

SLEEP CONTROL APPARATUS

      
Application Number JP2020025618
Publication Number 2021/002345
Status In Force
Filing Date 2020-06-30
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takeuchi Toshifumi
  • Ashikaga Tomoyoshi
  • Okema Chiharu
  • Yamada Shouhei
  • Haikawa Tomoyuki
  • Imai Yousuke
  • Kaihotsu Michiko
  • Ueno Mizuho
  • Murakami Chizuru

Abstract

A determination unit (31) of a sleep control apparatus (10) determines a time of arousal on the basis of subject data (42). The subject data (42) is time-series data over a designated period of bio-information of a subject (60). The designated period is a period from the time when the subject (60) is awake to the time when the subject (60) falls asleep, or a period from the time when the subject (60) is awake to the time after a predetermined time has passed after the subject (60) falls asleep. A control unit (36) controls a device to be controlled (57) to apply a stimulus to the subject (60) so that the subject (60) wakes up at the time of arousal.

IPC Classes  ?

  • A61M 21/00 - Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
  • A61M 21/02 - Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia

12.

COMBINATORIAL SOLUTION DETERMINATION SYSTEM

      
Application Number JP2020026247
Publication Number 2021/002464
Status In Force
Filing Date 2020-07-03
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Izumi, Yuuta
  • Nishimura, Tadafumi
  • Morita, Hiroshi
  • Inoue, Haruki

Abstract

Provided is a combinatorial solution determination system with which it is possible to efficiently derive a solution to a black-box optimization problem. A combinatorial solution determination system (190) comprises a solution candidate generation unit (110), a simulation unit (120), an evaluation index calculation unit (130), a solution determination unit (140) and an essential series data extraction unit (150). The simulation unit computes simulation data using information that relates to a combinatorial solution candidate generated by the solution candidate generation unit and the series data. The evaluation index calculation unit calculates an evaluation index on the basis of the simulation data. The solution determination unit determines a combinatorial solution the evaluation of which is high from among a plurality of combinatorial solution candidates. The essential series data extraction unit extracts second series data, from among series data (first series data), which is needed for calculating an evaluation index with prescribed accuracy. The essential series data extraction unit extracts third series data, from among the first series data, which is needed for verifying the suitability of a prescribed constraint condition. The essential series data extraction unit acquires essential series data by combining the second and third series data together. The simulation unit computes simulation data using information that relates to the combinatorial solution candidate and the essential series data after the essential series data extraction unit has extracted the essential series data.

IPC Classes  ?

  • G06Q 10/04 - Forecasting or optimisation, e.g. linear programming, "travelling salesman problem" or "cutting stock problem"
  • F24F 11/47 - Responding to energy costs
  • G06N 99/00 - Subject matter not provided for in other groups of this subclass
  • G06F 17/10 - Complex mathematical operations

13.

ALKANE PRODUCTION METHOD

      
Application Number JP2020025616
Publication Number 2021/002343
Status In Force
Filing Date 2020-06-30
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Etou, Yuusuke
  • Nakamura, Shingo

Abstract

The present invention addresses the issue of producing chlorinated alkane, with a high conversion ratio (yield) and high selectivity. The alkane production method includes a step in which alkene is chlorinated. The chlorination step is performed by irradiating light having a wavelength in a visible light range.

IPC Classes  ?

  • C07C 17/04 - Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
  • C07C 19/10 - Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

14.

COMPOSITION FOR ELECTROCHEMICAL DEVICE, POSITIVE ELECTRODE MIXTURE, POSITIVE ELECTRODE STRUCTURE, AND SECONDARY BATTERY

      
Application Number JP2020025721
Publication Number 2021/002369
Status In Force
Filing Date 2020-06-30
Publication Date 2021-01-07
Owner
  • DAIKIN INDUSTRIES, LTD. (Japan)
  • MCD TECHNOLOGIES S.A.R.L (Luxembourg)
Inventor
  • Shinoda, Chihiro
  • Kitahara, Takahiro
  • Terada, Junpei
  • Predtechenskiy, Mikhail Rudolfovich
  • Bobrenok, Oleg Filippovich

Abstract

Provided is a composition for an electrochemical device, the composition containing single-walled carbon nanotubes, a binder, and a solvent, wherein: the binder contains a fluoride-containing copolymer that contains vinylidene fluoride units and fluorinated monomer units (excluding vinylidene fluoride units); and the content of the vinylidene fluoride units in the fluoride-containing copolymer is 50.0 mol% or more with respect to the entire monomer units.

IPC Classes  ?

  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/139 - Processes of manufacture
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01G 11/06 - Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium-ion capacitors [LICs]
  • H01G 11/38 - Carbon pastes or blends; Binders or additives therein
  • H01G 11/52 - Separators
  • H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material

15.

ELECTRICAL FIELD GENERATOR AND COLD STORAGE EQUIPPED WITH SAME

      
Application Number JP2020025881
Publication Number 2021/002399
Status In Force
Filing Date 2020-07-01
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Inada Ryozo
  • Tanaka Naohiro
  • Nishimoto Motomi
  • Matsui Hidenori

Abstract

This electrical field generator (30), which includes electrodes (31a-31f, 32a-32f) and a voltage applying device (33) for applying a voltage to the electrodes (31a-31f, 32a-32f), and generates an electrical field in the space (S) of the storage (5), is provided with an electrical field controller (35) for controlling the voltage applied to the electrodes (31a-31f, 32a-32f). The electrical field controller (35) increases and decreases the voltage to be applied to the electrodes (31a-31f, 32a-32f) according to the state of the electrical field generated in the space (S) of the storage (5).

IPC Classes  ?

  • A23L 3/32 - Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
  • A23L 3/36 - Freezing; Subsequent thawing; Cooling
  • F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
  • F25D 23/00 - General constructional features

16.

ELECTRIC FIELD GENERATING DEVICE AND COLD STORAGE PROVIDED WITH SAME

      
Application Number JP2020025884
Publication Number 2021/002400
Status In Force
Filing Date 2020-07-01
Publication Date 2021-01-07
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Inada Ryozo
  • Tanaka Naohiro
  • Nishimoto Motomi
  • Matsui Hidenori

Abstract

An electric field generating device (30) is provided with an electrode (31) and a voltage applying device (32) that applies voltage to the electrode (31), the electric field generating device (30) generating an electric field in an inner space (S) of a container (5). The electric field generating device (30) is provided with: a supporting member (33) that supports the electrode (31) movably between a predetermined use position where the electrode (31) can generate an electric field in the inner space (S) of the container (5) and a predetermined storage position different from the use position; and a fixing member (34) that fixes the electrode (31) immovably in the use position.

IPC Classes  ?

  • A23L 3/32 - Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
  • A23L 3/36 - Freezing; Subsequent thawing; Cooling
  • F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
  • F25D 23/00 - General constructional features

17.

OUTSIDE AIR TREATMENT DEVICE AND AIR CONDITIONING SYSTEM

      
Application Number JP2020019252
Publication Number 2020/261794
Status In Force
Filing Date 2020-05-14
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Fujita Naotoshi

Abstract

The purpose of the present disclosure is to provide an outside air treatment device and an air conditioning system that enable power consumption to be suppressed and humidity to be controlled. An outside air treatment device (20) adjusts the temperature and the humidity of introduced outside air and supplies same to target spaces (SP1, SP2). The outside air treatment device (20) comprises: a heating unit (12) that heats air; a humidifying unit (13) that humidifies air passing through the heating unit (12); and an air conditioner control unit (31) that changes the temperature of the air at an inlet (13a) of the humidifying unit (13) according to the humidity of the target spaces (SP1, SP2).

IPC Classes  ?

  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
  • F24F 110/20 - Humidity
  • F24F 110/70 - Carbon dioxide

18.

COMPOSITION INCLUDING REFRIGERANT, USE THEREOF, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024050
Publication Number 2020/262209
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke
  • Tokuno, Satoshi

Abstract

Provided is a novel low-GWP mixed refrigerant. A composition including a refrigerant, wherein said refrigerant includes trans-1,2-difluoroethylene (HFO-1132(E)), 1,1-difluoroethylene (HFO-1132a), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

19.

PIPE JOINT

      
Application Number JP2020024445
Publication Number 2020/262318
Status In Force
Filing Date 2020-06-22
Publication Date 2020-12-30
Owner
  • HIGASHIO MECH CO., LTD. (Japan)
  • DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Yasuda, Akio

Abstract

[Problem] To provide a pipe joint that can be reliably connected to a pipe P without forming a flare. [Solution] A pipe joint having a flare joint body 1F, a cap nut 2, and a stop ring 3, wherein a rounded pressure-contact sloping surface 32 of the stop ring 3 contacts and presses a distal-end reduced-diameter sloping surface 5 of the flare joint body 1F, thereby forming a seal by mutual contact between the metal surfaces. The pipe P is gripped in a strong pressure-contact state by means of a back tooth and front tooth formed on a distal-end head portion 37 of a thin-walled substantially cylindrical portion 35 of the stop ring 3.

IPC Classes  ?

  • F16L 19/12 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with additional sealing means
  • F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
  • F16L 19/04 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
  • F16L 19/14 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered the rings being integral with one of the connecting parts
  • F16L 21/04 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members

20.

HEAT EXCHANGER AND HEAT PUMP DEVICE

      
Application Number JP2020024602
Publication Number 2020/262378
Status In Force
Filing Date 2020-06-23
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamada, Kouju
  • Hirokawa, Tomoki

Abstract

Provided are a heat exchanger having a header that is configured by including a plate-shaped portion with a shape that can change the direction in which a refrigerant flows, and a heat pump device. An outdoor heat exchanger (11) to which branched liquid refrigerant connection pipes (49a to e) are connected comprises a plurality of flattened pipes (28) and a liquid header (40) that has the plurality of flattened pipes (28) connected thereto. The liquid header (40) has: a liquid-side outer plate (46a) to which the branched liquid refrigerant connection pipes (49a to e) are connected; a liquid-side flattened tube connection plate (41a) to which the plurality of flattened tubes (28) are connected; a third inner plate (45a) that is located between the liquid-side flattened tube connection plate (41a) and the liquid-side outer plate (46a); and a fourth liquid-side member (44) that is located between the third inner plate (45a) and the liquid-side flattened tube connection plate (41a) and has a plurality of fourth ascending openings (44x) corresponding to the flattened tubes (28). The liquid-side outer plate (46a), the third inner plate (45a), the fourth liquid-side member (44), and the liquid-side flattened pipe connecting plate (41a) are layered. The third inner plate (45a) has a first penetration portion (45x) that includes at least an ascending space (53, 153) through which the refrigerant flows in the vertical direction and an outgoing flow path (54) through which the refrigerant flows in the left-right direction. The branched liquid refrigerant connection pipes (49a to e) and the plurality of flattened pipes (28) communicate with each other through the first penetration portion (45x) of the third inner plate (45a) and the plurality of fourth ascending openings (44x) of the fourth liquid-side member (44).

IPC Classes  ?

  • F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
  • F28F 1/02 - Tubular elements of cross-section which is non-circular
  • F28F 9/02 - Header boxes; End plates
  • F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

21.

HEAT EXCHANGER AND HEAT PUMP APPARATUS

      
Application Number JP2020025377
Publication Number 2020/262666
Status In Force
Filing Date 2020-06-26
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Hirokawa, Tomoki
  • Yamada, Kouju

Abstract

Provided are a heat exchanger and a heat pump apparatus with which uneven distribution of liquid refrigerant and gas refrigerant can be reduced in a header comprising multiple plate-shaped parts stacked on one another. This invention involves multiple flat pipes (28) and a liquid header (40) to which a liquid refrigerant pipe (20) and the flat pipes (28) are connected. The liquid header (40) has a fifth liquid-side member (45) having a fifth internal plate (45a) and a fourth liquid-side member (44) having a fourth internal plate (44a) stacked on the fifth internal plate (45a) on the side of the flat pipes (28). The fifth internal plate (45a) has a fifth liquid-side opening (45o) and the fourth internal plate (44a) has a fourth liquid-side opening (44o). When viewed in the stacking direction, the fifth liquid-side opening (45o) and the fourth liquid-side opening (44o) overlap each other in an overlapping region A and an overlapping region B provided in a different location to the overlapping region A. Refrigerant flows from the fourth internal plate (44a) toward the fifth internal plate (45a) in the overlapping region B, refrigerant flows from the overlapping region B to the overlapping region A in the fifth liquid-side opening (45o), and refrigerant flows from the fifth internal plate (45a) toward the fourth internal plate (44a) in the overlapping region A.

IPC Classes  ?

  • F25B 39/00 - Evaporators; Condensers
  • F28F 9/02 - Header boxes; End plates
  • F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

22.

HEAT EXCHANGER AND HEAT PUMP APPARATUS

      
Application Number JP2020025553
Publication Number 2020/262699
Status In Force
Filing Date 2020-06-29
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Hirokawa, Tomoki
  • Andou, Tooru
  • Matsumoto, Yoshiyuki
  • Kusaka, Hideyuki
  • Fujino, Hirokazu
  • Yamada, Kouju

Abstract

Provided are a heat exchanger and a heat pump apparatus that enable, while using a fewer number of components, feeding of refrigerant toward a direction in which a plurality of heat transfer pipes connected to a header are arranged side by side. An outdoor heat exchanger (11) is provided with a liquid header (30), wherein the liquid header (30) includes a first liquid-side member (31) including a liquid-side flat tube connection plate (31a) to which a plurality of flat tubes (28) are connected, a seventh liquid-side member (37) including a liquid-side external plate (37a) positioned on the side opposite to the flat tubes (28) side, and a fourth liquid-side member (34) which is positioned between the two members and which includes a fourth internal plate (34a). The fourth internal plate (34a) has a first penetration part (34o) extending along the direction in which the plurality of flat tubes (28) are arranged side by side. The first penetration part (34o) includes, in this order, an introducing space (34x), a nozzle (34y), and a rising space (34z) along the direction in which the plurality of flat tubes (28) are arranged side by side, wherein the width of the nozzle (34y) is shorter than that of the introducing space (34x), and is also shorter than that of the rising space (34z).

IPC Classes  ?

  • F25B 39/00 - Evaporators; Condensers
  • F28F 9/02 - Header boxes; End plates
  • F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

23.

AIR CONDITIONING SYSTEM

      
Application Number JP2020022739
Publication Number 2020/261982
Status In Force
Filing Date 2020-06-09
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Okamoto Yasunori
  • Fujita Naotoshi
  • Tatsumi Kouji
  • Kawagishi Masaaki
  • Umase Shinya

Abstract

When an outside-air treatment device (10) performs a heating/humidifying operation and an air conditioning device (20) performs a cooling operation, a control device (30) adjusts at least one from among the air supply temperature, the air supply flow rate, and the water supply flow rate of the outside-air treatment device (10), and a cooling temperature that is a temperature of an air heat exchanger (22a) of the air conditioning device (20). The control device (30) adjusts the air supply temperature and the cooling temperature on the basis of dehumidification information, operation information, temperature information, and humidity information. The operation information is information pertaining to the operation state of the air conditioning device (20).

IPC Classes  ?

  • F24F 11/65 - Electronic processing for selecting an operating mode
  • F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
  • F24F 110/10 - Temperature
  • F24F 110/20 - Humidity
  • F24F 140/30 - Condensation of water from cooled air

24.

AIR CONDITIONER

      
Application Number JP2020023301
Publication Number 2020/262051
Status In Force
Filing Date 2020-06-12
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kono Masaki
  • Ohta Keisuke
  • Kawashima Reiji

Abstract

An adjustment unit (60) adjusts apparent power at a power supply input terminal of an air conditioner (10). A control unit (80) controls the adjustment unit (60) based on information according to the target value of apparent power provided from the air conditioner (10) to an AC power supply (2).

IPC Classes  ?

  • G05F 1/70 - Regulating power factor; Regulating reactive current or power
  • H02M 7/04 - Conversion of ac power input into dc power output without possibility of reversal by static converters
  • H02M 7/48 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

25.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024166
Publication Number 2020/262241
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke
  • Tokuno, Satoshi

Abstract

The present invention provides a novel low-GWP mixed refrigerant. A composition containing a refrigerant that contains 1,1-difluoroethylene (HFO-1132a) and difluoromethane (R32), wherein from 26% by mass to 40% by mass of HFO-1132a is contained relative to the total amount of HFO-1132a and R32, while from 60% by mass to 74% by mass of R32 is contained relative to the total amount of HFO-1132a and R32.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

26.

AIR CONDITIONER INDOOR UNIT AND AIR CONDITIONER

      
Application Number JP2020024404
Publication Number 2020/262300
Status In Force
Filing Date 2020-06-22
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takenaka, Kei
  • Nuno, Hayato
  • Tsutsumi, Tomohiko
  • Komai, Yousuke

Abstract

Conventionally, even air-conditioners capable of ventilating (supplying air to) rooms have been liable to fail to provide an adequate amount of fresh air to a user if the position of the user and the position of a ventilation unit are distant from each other in a room. This indoor unit (10) for an air-conditioner (1) is provided with: a casing (11); an indoor fan (12); a supply air pathway (P0) for introducing outdoor air into a room; a gas sensor (15) for measuring the concentration of a specific gas within a room; and a control unit (16). The control unit (16) causes the indoor fan (12) to rotate while outdoor air is being introduced into the room by way of the supply air pathway (P0).

IPC Classes  ?

  • F24F 7/007 - Ventilation with forced flow
  • F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
  • F24F 1/0035 - Indoor units, e.g. fan coil units characterised by introduction of outside air to the room

27.

REFRIGERATION DEVICE

      
Application Number JP2020025267
Publication Number 2020/262624
Status In Force
Filing Date 2020-06-26
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takegami Masaaki
  • Taguchi Shuichi
  • Uehara Yoshikazu

Abstract

A two-stage compression type refrigeration device (1) for compressing a refrigerant to a supercritical range is provided with: low-stage-side compression units (22, 23); a high-stage-side compression unit (21); an intermediate cooler (17); a heat source-side heat exchanger (13); a use-side heat exchanger (64); an economizer circuit (38); and a control unit (100). The control unit (100) increases cooling performance of the intermediate cooler (17) without increasing the refrigerant flowrate (Q) of the economizer circuit (38) if the cooling performance of the intermediate cooler (17) is not at maximum when a discharge temperature (Td) which is the temperature of the refrigerant discharged from the high-stage-side compression unit (21) is higher than a first temperature in a first operation where the heat source-side heat exchanger (13) functions as a heat radiator and the use-side heat exchanger (64) functions as an evaporator.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • F25B 1/10 - Compression machines, plant or systems with non-reversible cycle with multi-stage compression

28.

CONTROL DEVICE FOR AIR CONDITIONING APPARATUS, AIR CONDITIONING SYSTEM, CONTROL METHOD FOR AIR CONDITIONING APPARATUS, AND PROGRAM

      
Application Number JP2020025587
Publication Number 2020/262701
Status In Force
Filing Date 2020-06-29
Publication Date 2020-12-30
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Harada Shinsuke
  • Chen Zuozhou
  • Maruyama Kaname

Abstract

A control device (70) causes an air conditioning apparatus (20) to perform a temperature adjustment operation for bringing a first temperature (F) and a second temperature (T) closer to a first target temperature (Fs) and a second target temperature (Ts), respectively, at a target time point (tg), the first temperature (F) being the surface temperature of a partition (101) comprising a floor and/or wall and/or ceiling facing a designated space (100), the second temperature (T) being the room temperature in the designated space (100).

IPC Classes  ?

  • F24F 11/48 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring prior to normal operation, e.g. pre-heating or pre-cooling
  • F24F 11/63 - Electronic processing
  • F24F 11/72 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure

29.

AIR CONDITIONING SYSTEM

      
Application Number JP2020023347
Publication Number 2020/255907
Status In Force
Filing Date 2020-06-15
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Fujita Naotoshi

Abstract

An air conditioning system (100) comprises an outside-air treatment device (10), an air conditioning device (20), and a control unit (30). The outside-air treatment device (10) adjusts the temperature of outside air that has been taken in, and supplies the temperature-adjusted air into a plurality of indoor spaces. The air conditioning device (20) adjusts the temperature of the air in a plurality of target spaces (SP1, SP2) that are some or all of the plurality of indoor spaces, the air conditioning device (20) having indoor units (22) of which at least one is provided to each of the target spaces (SP1, SP2). The control unit (30) adjusts the airflow of the outside-air treatment device (10) with respect to the target spaces (SP1, SP2) so that the amount of power consumed by the air conditioning system (100) decreases in accordance with the operation state of the indoor units (22).

IPC Classes  ?

  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity

30.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR COMPRISING THE SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024132
Publication Number 2020/256100
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

Provided is a novel low-GWP mixed refrigerant. The present invention is a composition containing a refrigerant, wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132 (E)), difluoromethane (R32), and 1,3,3,3-tetrafluoropropene (R1234ze).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

31.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR COMPRISING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024152
Publication Number 2020/256109
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

Provided is a novel low-GWP mixed refrigerant. This composition contains a refrigerant, wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123), and 1,3,3,3-tetrafluoropropene (R1234ze).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

32.

REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATOR HAVING SAME, OPERATION METHOD FOR SAID REFRIGERATOR, AND REFRIGERATION CYCLE DEVICE EQUIPPED WITH SAID REFRIGERATOR

      
Application Number JP2020024174
Publication Number 2020/256119
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The invention addresses the problem of providing a mixed refrigerant that combines the two properties of having an equivalent performance coefficient (Coefficient of Performance (COP)) to that of R410A and having a sufficiently small GWP. Provided as means for solving the problem is a composition, which is a refrigerant-containing composition wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123), and difluoromethane (R32).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

33.

REFRIGERANT-CONTAINING COMPOSITION, USE OF SAME, REFRIGERATOR HAVING SAME, OPERATION METHOD FOR SAID REFRIGERATOR, AND REFRIGERATION CYCLE DEVICE EQUIPPED WITH SAME

      
Application Number JP2020024190
Publication Number 2020/256126
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The invention addresses the problem of providing a mixed refrigerant combining the three properties of having a refrigerative property (also referred to as Refrigeration Capacity or Cooling Capacity) and a performance coefficient (Coefficient of Performance (COP)) that are equivalent to those of R410A, and having a sufficiently small GWP. Provided as a means for solving the problem is a composition, which is a refrigerant-containing composition wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and R32.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

34.

METHOD FOR COEXISTING 1,2-DIFLUOROETHYLENE (HFO-1132) AND OXYGEN IN GAS PHASE, AND STORAGE CONTAINER AND REFRIGERATOR CONTAINING HFO-1132 AND OXYGEN

      
Application Number JP2020024198
Publication Number 2020/256129
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Gotou, Tomoyuki
  • Yoshimura, Takashi

Abstract

The present invention addresses the problem of suppressing a polymerization reaction or an autolysis reaction of 1,2-difluoroethylene. To solve the problem, provided is a method for coexisting 1,2-difluoroethylene (HFO-1132) and oxygen in a gas phase, wherein the concentration of oxygen in the gas phase at a temperature of 25°C is at most 1,000 volume ppm.

IPC Classes  ?

  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

35.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, FREEZER HAVING SAME, AND METHOD FOR OPERATING SAID FREEZER

      
Application Number JP2020024215
Publication Number 2020/256133
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The present invention addresses the problem of providing a new mixed refrigerant having a low GWP. To solve the problem, a composition containing a refrigerant is provided, wherein the refrigerant contains: trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 1,3,3,3-tetrafluoropropene (R1234ze); and difluoromethane (R32).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

36.

WORKING MEDIUM FOR REFRIGERATION CYCLE, AND REFRIGERATION CYCLE SYSTEM

      
Application Number JP2020024221
Publication Number 2020/256134
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Gotou, Tomoyuki

Abstract

The present invention provides: a working medium for refrigeration cycle, said working medium being capable of effectively suppressing or attenuating a disproportionation reaction of 1, 2-difluoroethylene (R1132); and a refrigeration cycle system using this working medium for refrigeration cycle. The present invention specifically provides a working medium for refrigeration cycle, said working medium containing, as a refrigerant component, 1, 2-difluoroethylene (R1132), while additionally containing a haloalkane having one or two carbon atoms, excluding a haloalkane wherein all halogen atoms are fluorine atoms.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • B60H 1/32 - Cooling devices
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

37.

FLUOROETHYLENE COMPOSITION

      
Application Number JP2020024261
Publication Number 2020/256146
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Gotou, Tomoyuki
  • Ohkubo, Shun
  • Watanabe, Yuka

Abstract

The present invention provides a composition which contains a fluoroethylene having one or more fluorine atoms, said fluoroethylene exhibiting excellent stability. A fluoroethylene composition according to the present disclosure contains water, oxygen and a fluoroethylene having one or more fluorine atoms; the content of water is 100 ppm by mass or less based on the mass of the fluoroethylene; and the content of oxygen is 0.35 mol% or less based on the fluoroethylene. This fluoroethylene composition is excellent in terms of stability of the fluoroethylene.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C07C 17/42 - Use of additives, e.g. for stabilisation
  • C09K 3/00 - Materials not provided for elsewhere
  • C09K 3/30 - Materials not provided for elsewhere for aerosols
  • C11D 7/22 - Organic compounds
  • C11D 7/26 - Organic compounds containing oxygen
  • C11D 7/30 - Halogenated hydrocarbons
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

38.

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND PROGRAM

      
Application Number JP2020024376
Publication Number 2020/256153
Status In Force
Filing Date 2020-06-22
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nishimura, Tadafumi
  • Murayama, Hiroyuki
  • Hanada, Takuya
  • Ueda, Hiroki
  • Satou, Daisuke

Abstract

An information processing device that executes processing to determine operation settings according to conditions when an air conditioner is being operated, comfort when the air conditioner is being operated, and conditions pertaining to power consumption when the air conditioner is being operated, on the basis of a data set including information indicating conditions when the air conditioner is being operated, information pertaining to user comfort when the air conditioner is being operated, and power consumption when the air conditioner is being operated.

IPC Classes  ?

  • H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • G06Q 10/06 - Resources, workflows, human or project management, e.g. organising, planning, scheduling or allocating time, human or machine resources; Enterprise planning; Organisational models
  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 11/62 - Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
  • F24F 11/64 - Electronic processing using pre-stored data
  • F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
  • F24F 11/84 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
  • F24F 11/86 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
  • F24F 11/871 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
  • F24F 110/10 - Temperature
  • F24F 110/12 - Temperature of the outside air
  • F24F 110/20 - Humidity
  • F24F 110/22 - Humidity of the outside air
  • F24F 110/30 - Velocity
  • F24F 110/50 - Air quality properties
  • F24F 120/10 - Occupancy
  • F24F 120/14 - Activity of occupants
  • F24F 120/20 - Feedback from users
  • F24F 140/60 - Energy consumption
  • G06F 13/00 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units

39.

REFRIGERATION CYCLE DEVICE

      
Application Number JP2020023610
Publication Number 2020/255966
Status In Force
Filing Date 2020-06-16
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kumakura, Eiji
  • Yamada, Takuro
  • Yoshimi, Atsushi
  • Iwata, Ikuhiro
  • Asano, Yoshinari
  • Ohtsuka, Keisuke
  • Aota, Keiji
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke
  • Tokuno, Satoshi
  • Yanagi, Yuuichi
  • Nakao, Yoshikazu
  • Abe, Takeo
  • Toda, Yumi
  • Tsuda, Tetsushi

Abstract

This refrigeration cycle device (1) for performing a refrigeration cycle using a refrigerant is provided with: a refrigerant circuit (10) having a compressor (21), a condenser (23), a pressure reducing part (24), and an evaporator (31); and a refrigerant that is sealed in the refrigerant circuit (10) and has a small GWP.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

40.

METHOD FOR PRODUCING HYDRAULIC MEDIUM INCLUDING DIFLUOROETHYLENE

      
Application Number JP2020023679
Publication Number 2020/255986
Status In Force
Filing Date 2020-06-17
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Gotou, Tomoyuki

Abstract

Provided is a method for producing a hydraulic medium including difluoroethylene which has no self-decomposing properties. The method produces the hydraulic medium including difluoroethylene.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

41.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024049
Publication Number 2020/256087
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The present invention addresses the problem of providing a novel low-GWP mixed refrigerant. The present invention provides, as a means for solving the problem, a composition containing a refrigerant that contains trans-1, 2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), 1, 3, 3, 3-tetrafluoropropene (R1234ze) and carbon dioxide.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

42.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, FREEZER HAVING SAME, AND METHOD FOR OPERATING SAID FREEZER

      
Application Number JP2020024122
Publication Number 2020/256098
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke
  • Tokuno, Satoshi

Abstract

The present invention addresses the problem of providing a new mixed refrigerant having a low GWP. To solve the problem, a composition containing a refrigerant is provided, wherein: the refrigerant contains trans-1,2-difluoroethylene (HFO-1132(E)) and difluoromethane (R32); and the content of HFO-1132(E) is 25-27 mass% with respect to the total of HFO-1132(E) and R32, and the content of R32 is 73-75 mass% with respect to the total of HFO-1132(E) and R32.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

43.

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024157
Publication Number 2020/256112
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Karube, Daisuke
  • Ohkubo, Shun

Abstract

The present invention addresses the problem of providing a novel mixed refrigerant that has a low GWP. The present invention provides, as a means for solving the problem, a composition containing a refrigerant that contains trans-1, 2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and trans-1, 3, 3, 3-tetrafluoropropene (R1234ze(E)).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

44.

COMPOSITION INCLUDING REFRIGERANT, USE THEREFOR, REFRIGERATOR COMPRISING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

      
Application Number JP2020024172
Publication Number 2020/256117
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The present invention addresses the problem of providing a novel low-GWP mixed refrigerant. A composition including a refrigerant wherein said refrigerant includes trans-1,2-difluoroethylene (HFO-1132(E)) and 1,3,3,3-tetrafluoropropene (R1234ze) is provided as a means for solving the problem.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

45.

REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATOR USING SAME, AND OPERATION METHOD FOR SAID REFRIGERATOR

      
Application Number JP2020024180
Publication Number 2020/256122
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Itano, Mitsushi
  • Ohkubo, Shun
  • Karube, Daisuke

Abstract

The invention addresses the problem of providing a novel low-GWP mixed refrigerant. Provided as means to solve the problem is a composition, which is a refrigerant-containing composition wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132 (E)), difluoromethane (R32), and 1,3,3,3-tetrafluoropropene (R1234ze).

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

46.

REFRIGERATOR INCLUDING DIFLUOROETHYLENE (HFO-1132) AS WORKING FLUID

      
Application Number JP2020024204
Publication Number 2020/256131
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Ohkubo, Shun
  • Gotou, Tomoyuki

Abstract

A refrigerant including difluoroethylene (HFO-1132), wherein the stability of HFO-1132 when mounted on a refrigerator and operated is improved. A refrigerator including a refrigerant that includes difluoroethylene (HFO-1132) as a working fluid, wherein the refrigerator has a processing unit for bringing the refrigerant into contact with at least one selected from the group consisting of desiccants, deoxidizers, and powder removers.

IPC Classes  ?

  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
  • C10N 40/30 - Refrigerator lubricant
  • F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
  • C10M 105/38 - Esters of polyhydroxy compounds
  • C10M 107/24 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehydo, ketonic, ether, ketal or acetal radical
  • C10M 107/34 - Polyoxyalkylenes
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • B60H 1/32 - Cooling devices
  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

47.

CEILING-EMBEDDED INDOOR UNIT AND AIR-CONDITIONING DEVICE

      
Application Number JP2020016327
Publication Number 2020/250563
Status In Force
Filing Date 2020-04-13
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Iwasaki Mami
  • Nouchi Yoshiteru
  • Okumura Yasunobu

Abstract

Outlets (51, 52) for supplying air to a space (5) to be air-conditioned are formed in a panel (50). Suction ports (46, 47) for sucking in air are formed in a casing body (40a). The outlets (51, 52), a blower (32), and a heat exchanger (33) at least partially overlap with one another in the vertical direction.

IPC Classes  ?

  • F24F 1/0047 - Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
  • F24F 1/0007 - Indoor units, e.g. fan coil units
  • F24F 1/0063 - Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
  • F24F 13/20 - Casings or covers

48.

HEAT EXCHANGER

      
Application Number JP2020019594
Publication Number 2020/250624
Status In Force
Filing Date 2020-05-18
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Hirokawa Tomoki
  • Matsumoto Yoshiyuki
  • Andou Tooru
  • Kusaka Hideyuki

Abstract

A header (24) comprises: a first member (40) including a main wall (41) in which is formed through-holes (42) through which lengthwise-directional ends of heat transfer tubes pass; a second member (50) in which insertion spaces (70) communicating with the lengthwise-directional ends of the heat transfer tubes are formed; and a third member (60) that faces the lengthwise-directional ends of the heat transfer tubes when the latter are passed through the through-holes (42). The second member (50) comprises a pair of side plates (51) on either side of the insertion spaces (70) in the header widthwise direction, and divider plates (52) joined to each of the side plates (51) so as to partition the insertion paces (70) from each other.

IPC Classes  ?

  • F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
  • F28F 1/02 - Tubular elements of cross-section which is non-circular
  • F28F 9/02 - Header boxes; End plates

49.

ROTATING ELECTRIC MACHINE

      
Application Number JP2020019800
Publication Number 2020/250631
Status In Force
Filing Date 2020-05-19
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Imai Takahiro
  • Satou Naoyuki
  • Itou Masatoshi

Abstract

A rotating electric machine (10) includes a stator (20) including a segment coil (30) that is formed of a plurality of conductor segments (31). Each conductor segment (31) includes: a covered part (32) that includes a conductor (32a) and an insulating material (32b) covering the conductor (32a); and an exposed part (33) that includes an exposed conductor (33a) which is integral with the conductor (32a) of the covered part (32) and that constitutes the end of the conductor segment (31). The conductor (33a) of the exposed part (33) expands more than the conductor (32a) of the covered part (32) in the arranging direction in which the exposed parts (33) of the conductor segments (31) are arranged.

IPC Classes  ?

  • H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors

50.

METHOD FOR PRODUCING DIFLUOROETHYLENE

      
Application Number JP2020022770
Publication Number 2020/250914
Status In Force
Filing Date 2020-06-10
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takahashi, Kazuhiro
  • Yamamoto, Osamu

Abstract

The present invention provides a method for efficiently obtaining HFO-1132 (E) and/or HFO-1132 (Z). A method for producing HFO-1132 (E) and/or HFO-1132 (Z), said method comprising a step wherein a composition containing HFO-1132 (E) and/or HFO-1132 (Z) is introduced into a reactor and an isomerization reaction between HFO-1132 (E) and HFO-1132 (Z) is caused by means of light irradiation.

IPC Classes  ?

  • C07C 17/358 - Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or halogen atoms in the molecules by isomerisation
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine

51.

AIR CONDITIONER

      
Application Number JP2020022922
Publication Number 2020/250952
Status In Force
Filing Date 2020-06-10
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamada, Takuro
  • Kumakura, Eiji
  • Yoshimi, Atsushi
  • Iwata, Ikuhiro
  • Minamida, Tomoatsu

Abstract

In the present invention, a refrigerant cycle system (100) comprises: a primary side cycle (20) that circulates a first refrigerant; a secondary side cycle (40) that circulates a second refrigerant; and a cascade heat exchanger (35) that performs heat exchange between the first refrigerant and the second refrigerant. The primary side cycle (20) has primary side communication piping. The secondary side cycle (40) has secondary side communication piping. The primary side communication piping has primary side gas communication piping (22) and primary side fluid communication piping (21). The secondary side communication piping has secondary side gas communication piping (42) and secondary side fluid communication piping (41). The pipe diameter of the secondary side gas communication piping (42) is smaller than the pipe diameter of the primary side gas communication piping (22) or the pipe diameter of the secondary side fluid communication piping (41) is smaller than the pipe diameter of the primary side fluid communication piping (21).

IPC Classes  ?

  • F25B 7/00 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
  • F25B 41/00 - Fluid-circulation arrangements
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle

52.

AIR CONDITIONER

      
Application Number JP2020022923
Publication Number 2020/250953
Status In Force
Filing Date 2020-06-10
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamada, Takuro
  • Kumakura, Eiji
  • Yoshimi, Atsushi
  • Iwata, Ikuhiro
  • Minamida, Tomoatsu

Abstract

In the present invention, a refrigerant cycle system (100) comprises: a vapor compression-type primary side cycle (20) that circulates a first refrigerant; a vapor compression-type secondary side cycle (40) that circulates a second refrigerant; and a cascade heat exchanger (35) that performs heat exchange between the first refrigerant and the second refrigerant. The secondary side cycle (40) has a utilization heat exchanger (51) for using cold energy or heat energy that the second refrigerant obtains from the cascade heat exchanger (35). The utilization heat exchanger (51) has a flat multi-hole pipe.

IPC Classes  ?

  • F25B 7/00 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
  • F25B 39/00 - Evaporators; Condensers

53.

APPARATUS MANAGEMENT SYSTEM AND AUTHENTICATION METHOD

      
Application Number JP2020023055
Publication Number 2020/250983
Status In Force
Filing Date 2020-06-11
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Kataoka Taro

Abstract

This apparatus management system is provided with a management device (3) that performs management, and an information communication device (4). The management device (3) and the information communication device (4) are configured to be able to communicate with each other via a secure closed-network (NC) which is isolated, over access, from an open-network (NB) in a communication network (NA). The management device (3), in a state of being connected with the information communication device (4) via the closed-network (NC), performs authentication determination with respect to the information communication device (4). On the basis of completion of authentication of the information communication device (4), the management device (3) transmits to the information communication device (4) a device certificate (13) indicating that the information communication device (4) has been authenticated and including encryption information for encrypting information that the information communication device (4) transmits to the management device (3).

IPC Classes  ?

54.

REFRIGERANT CYCLE SYSTEM

      
Application Number JP2020023069
Publication Number 2020/250987
Status In Force
Filing Date 2020-06-11
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamada, Takuro
  • Yoshimi, Atsushi
  • Kumakura, Eiji
  • Iwata, Ikuhiro
  • Furusho, Kazuhiro
  • Kagawa, Mikio
  • Moriwaki, Michio
  • Minamida, Tomoatsu
  • Matsuoka, Hiromune
  • Minami, Junya

Abstract

When using a flammable or toxic refrigerant, the allowable refrigerant filling amount per indoor volume may be limited, but patent document 1 does not describe limitations on the refrigerant filling amount. This refrigerant cycle system (100) comprises a first refrigerant circuit (1) and a second refrigerant circuit (2). The first refrigerant circuit (1) includes a first heat exchanger (11), a first compressor (12), and a first cascade heat exchanger (21). The second refrigerant circuit (2) includes the first cascade heat exchanger (21), a second compressor (22), and second heat exchangers (31A, 31B). The first heat exchanger (11) and the first compressor (12) are housed in a first unit (10). The first cascade heat exchanger (21) and the second compressor (22) are housed in a second unit (20). The second heat exchangers (31A, 31B) are housed in a third unit (30). The first unit (10), the second unit (20), and the third unit (30) are disposed so as to be separated from one another.

IPC Classes  ?

  • F25B 7/00 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
  • F25B 13/00 - Compression machines, plant, or systems, with reversible cycle
  • F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle

55.

COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE

      
Application Number JP2020023415
Publication Number 2020/251055
Status In Force
Filing Date 2020-06-15
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kamiya, Yusuke
  • Furutani, Takahiro
  • Takemura, Kouhei
  • Yamaguchi, Riku
  • Shiomi, Keisuke
  • Irie, Masaki

Abstract

Provided is a compressed member that is for an electrochemical device and that is obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer that contains a unit based on at least one crosslinkable group-containing monomer selected from the group consisting of crosslinkable group-containing monomers (1) represented by general formula (1): CX122=CF-Rf1-X2(in the formula, each occurrence of X1independently represents H or F, Rf1represents a fluorinated alkylene group or a fluorinated oxyalkylene group, and X2represents I or Br), and crosslinkable group-containing monomers (2) represented by general formula (2): CX322=CX3-Z1-CX3=CX322 (in the formula, each occurrence of X3independently represents H, F, an alkyl group, or a fluorinated alkyl group, Z1 represents an alkylene group, a fluorinated alkylene group, a cycloalkylene group, a fluorinated cycloalkylene group, an oxyalkylene group, or a fluorinated oxyalkylene group).

IPC Classes  ?

  • C08F 214/18 - Monomers containing fluorine
  • C08F 216/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an ether radical
  • C08K 5/14 - Peroxides
  • C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
  • C08L 27/14 - Homopolymers or copolymers of vinyl fluoride
  • H01M 2/08 - Sealing materials

56.

COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE

      
Application Number JP2020023418
Publication Number 2020/251056
Status In Force
Filing Date 2020-06-15
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kamiya, Yusuke
  • Furutani, Takahiro
  • Takemura, Kouhei
  • Shiomi, Keisuke
  • Irie, Masaki

Abstract

Provided is a compressed member that is for an electrochemical device and that is obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer, wherein a difference δG' (G' (100°C) - G' (180°C)) between the storage modulus G' (100°C) of the fluorine-containing elastomer as measured at a measurement temperature of 100°C by a dynamic viscoelasticity test using a rubber process analyzer (strain amplitude: 0.5 Deg, and frequency: 100 CPM) and the storage modulus G'(180°C) as measured at a measurement temperature of 180°C satisfies the condition: 40 kPa < δG' < 175kPa.

IPC Classes  ?

  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
  • H01M 2/08 - Sealing materials

57.

HUMIDITY CONTROL UNIT AND HUMIDITY CONTROL SYSTEM

      
Application Number JP2020019798
Publication Number 2020/250629
Status In Force
Filing Date 2020-05-19
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Arakawa Takeshi
  • Jiang Yu
  • Sunayama Takayuki
  • Okubo Eisaku
  • Takahashi Takashi

Abstract

A humidity control unit (10) comprises: an air passage (12) that provides communication between a first space (S1), which is a space to be humidity-controlled, and a second space (S2); a moisture-absorbing unit (30, 32) that is disposed in the air passage (12) and absorbs moisture from air and releases moisture into the air; a heat source (21, 22, 32) that is disposed in the air passage (12) and cools and/or heats the moisture-absorbing unit (30, 32); an air transport mechanism (M) that transports air in such a manner that the direction of air flow in the air passage (12) is reversible; and a control device (C) that controls the heat source (21, 22, 32) and the air transport mechanism (M).

IPC Classes  ?

  • F24F 11/65 - Electronic processing for selecting an operating mode
  • F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
  • F24F 7/013 - Ventilation with forced flow using wall or window fans, displacing air through the wall or window
  • F24F 11/79 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air

58.

FLUORINE-CONTAINING EPOXY RESIN FOR ELECTRICAL MATERIALS AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2020020963
Publication Number 2020/250684
Status In Force
Filing Date 2020-05-27
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Tanaka, Yoshito
  • Yoshida, Tomohiro

Abstract

Provided is a fluorine-containing epoxy resin for electrical materials, said fluorine-containing epoxy resin having a low dielectric constant, a low dielectric dissipation factor and a small coefficient of linear expansion. The fluorine-containing epoxy resin for electrical materials is characterized by being represented by formula (E) [where: n stands for an integer of 0 or more, and the average value of n is not more than 0.18; and M stands for a group represented by formula (E1), formula (E2) or formula (E3) (where Z represents hydrogen or a fluoroalkyl group having 2-10 carbon atoms)].

IPC Classes  ?

  • C08G 59/02 - Polycondensates containing more than one epoxy group per molecule
  • C08G 59/30 - Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen, and nitrogen

59.

OUTDOOR UNIT OF AIR-CONDITIONING DEVICE AND OUTDOOR UNIT SYSTEM PROVIDED WITH SAME

      
Application Number JP2020022087
Publication Number 2020/250793
Status In Force
Filing Date 2020-06-04
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Doumae Hiroshi
  • Higashiyama Shin
  • Urata Kensuke
  • Ishida Satoshi
  • Ueda Hiroki

Abstract

An outdoor unit (10) of an air-conditioning device is provided with: a casing (20) having blow-out openings (22) in an upper surface (20a); outdoor fans (30) housed in the casing (20); and an antenna (40) that is for communicating with a base station (2) and that is provided to the casing (20). The antenna (40) is provided on the upper surface (20a) of the casing (20), in a position away from the blow-out openings (22) in a top view.

IPC Classes  ?

  • F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
  • F24F 11/58 - Remote control using Internet communication
  • F24F 11/88 - Electrical aspects, e.g. circuits
  • F24F 11/89 - Arrangement or mounting of control or safety devices
  • F24F 1/22 - Arrangement or mounting thereof
  • F24F 1/56 - Casing or covers of separate outdoor units, e.g. fan guards

60.

OUTDOOR UNIT OF AIR-CONDITIONING DEVICE AND OUTDOOR UNIT SYSTEM PROVIDED WITH SAME

      
Application Number JP2020022137
Publication Number 2020/250801
Status In Force
Filing Date 2020-06-04
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Doumae Hiroshi
  • Higashiyama Shin
  • Urata Kensuke
  • Ishida Satoshi
  • Ueda Hiroki

Abstract

An outdoor unit (10) of an air-conditioning device is provided with: a casing (20); and an antenna (30) that is for communicating with a base station (2), and that is provided to the casing (20). The casing (20) includes a casing body (21) made of metal and a resin member (22, 24-26) attached to the casing body (21). The antenna (30) is provided to the resin member (22, 24-26, 31) and is disposed on the back side of the resin member (22, 24-26, 31).

IPC Classes  ?

  • F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
  • F24F 11/58 - Remote control using Internet communication
  • F24F 11/89 - Arrangement or mounting of control or safety devices
  • F24F 1/22 - Arrangement or mounting thereof
  • F24F 1/56 - Casing or covers of separate outdoor units, e.g. fan guards

61.

REFRIGERATION CYCLE DEVICE

      
Application Number JP2020022690
Publication Number 2020/250889
Status In Force
Filing Date 2020-06-09
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Yajima, Ryuuzaburou

Abstract

Manufacturing costs increase when the specifications of a shut-off valve of a refrigeration cycle device become excessive. This air conditioning device (1), which circulates a flammable refrigerant in a refrigeration cycle (10), is provided with a liquid-side shut-off valve (71a) and a gas-side shut-off valve (68a), which, when a refrigerant leak has been detected, are shut off to keep the refrigerant from leaking into a prescribed space. With each of the liquid-side shut-off valve (71a) and the gas-side shut-off valve (68a) in the shut-off state, the shut-off leakage amount, which is the amount of air leakage when the fluid is 20°C air and the pressure differential between the front and back is 1MPa, is less than 300xR(cm3/min) in the liquid-side shut-off valve and greater than 300xR(cm3mdmddrr1r1r)0.5v1rlvv×(2/(λ+1))((λ+1)/2(λ-1))1r1rg1rg)0.5), or R = 1, wherein R is determined on the basis of at least one of the allowable average concentration, the leakage height and the refrigerant type.

IPC Classes  ?

  • F25B 41/04 - Disposition of valves
  • F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plant or systems
  • F24F 11/36 - Responding to malfunctions or emergencies to leakage of heat-exchange fluid

62.

METHOD FOR MANUFACTURING 1-HALO-2-FLUOROETHYLENE

      
Application Number JP2020022917
Publication Number 2020/250949
Status In Force
Filing Date 2020-06-10
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Otsuka, Tomo
  • Nakaue, Tsubasa
  • Takahashi, Kazuhiro

Abstract

Provided is a method for efficiently obtaining trans-1-halo-2-fluoroethylene (E body) and/or cis-1-halo-2-fluoroethylene (Z body). The method for manufacturing trans-1-halo-2-fluoroethylene (E body) and/or cis-1-halo-2-fluoroethylene (Z body) includes a step for supplying a composition including trans-1-halo-2-fluoroethylene (E body) and/or cis-1-halo-2-fluoroethylene (Z body) to a reaction vessel and carrying out an isomerization reaction between trans-1-halo-2-fluoroethylene (E body) and cis-1-halo-2-fluoroethylene (Z body) in a liquid phase under light irradiation and in the presence of a photosensitizer.

IPC Classes  ?

  • C07C 17/358 - Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or halogen atoms in the molecules by isomerisation
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine

63.

REFRIGERANT CYCLE SYSTEM

      
Application Number JP2020023068
Publication Number 2020/250986
Status In Force
Filing Date 2020-06-11
Publication Date 2020-12-17
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kumakura, Eiji
  • Yamada, Takuro
  • Yoshimi, Atsushi
  • Iwata, Ikuhiro
  • Minamida, Tomoatsu

Abstract

The present invention sets a refrigerant to be in a superheated state without degrading the performance of a cascade heat exchanger. A refrigerant cycle system (100, 200) is provided with a first refrigerant circuit (1, 201), a second refrigerant circuit (2, 202), and a first cascade heat exchanger (21, 221). The first cascade heat exchanger (21, 221) causes heat exchange between a first refrigerant flowing in the first refrigerant circuit (1, 201) and a second refrigerant flowing in the second refrigerant circuit (2, 202). The refrigerant cycle system (100, 200) has switching mechanisms (13, 25, 213, 225). The switching mechanisms (13, 25, 213, 225) each switch at least one of refrigerant flow paths of the first refrigerant circuit (1, 201) and the second refrigerant circuit (2, 202). The first cascade heat exchanger (21, 221) has a first main heat exchange part (21a, 221a) and a first subsidiary heat exchange part (21b, 221b). The first subsidiary heat exchange part (21b, 221b) is for causing the first refrigerant having passed through the first main heat exchange part (21a, 221a) to be in a superheated state.

IPC Classes  ?

  • F25B 5/04 - Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
  • F25B 7/00 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
  • F25B 13/00 - Compression machines, plant, or systems, with reversible cycle
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle

64.

DEVICE MANAGEMENT SYSTEM

      
Application Number JP2020021612
Publication Number 2020/246426
Status In Force
Filing Date 2020-06-01
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Fumimoto, Takuya
  • Okada, Ryohei
  • Nomura, Yoshihide

Abstract

A device management system (1) has a storage unit (41) and a processing unit (43). The storage unit (41) stores data of devices (11, 12) as hierarchical-structure device data models. In the device data models, at least one piece of information regarding the element components, functions and specifications of the devices (11, 12) is associated with the devices (11, 12). The processing unit (43) reads or rewrites the data, stored in the storage unit (41) as the device data models, in response to a processing request from an external program.

IPC Classes  ?

  • F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
  • F24F 11/56 - Remote control
  • F24F 11/64 - Electronic processing using pre-stored data
  • G06F 13/00 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units

65.

APPARATUS MANAGEMENT DEVICE, HEAT SOURCE SYSTEM, MANAGEMENT DEVICE, AND APPARATUS MANAGEMENT SYSTEM

      
Application Number JP2020021929
Publication Number 2020/246502
Status In Force
Filing Date 2020-06-03
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nakahara, Takayuki
  • Manabe, Tomoki

Abstract

Provided is an apparatus management system which reduces an unnecessary change operation for the capability of a specific apparatus without making a heat source system complicated. This apparatus management device (50) manages a heat source apparatus (10) that is a specific apparatus for changing a state of a heat medium that circulates in a heat source system (1). The present invention receives a state value of the heat medium, which is measured by an output temperature sensor (63) included in the heat source system (1), and prevents a changing operation of the capability of the heat source apparatus (10) on the basis of a parameter pertaining to a change in the state value.

IPC Classes  ?

  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 11/87 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle
  • F24F 140/00 - Control inputs relating to system states
  • F24F 140/12 - Heat-exchange fluid pressure
  • F24F 140/20 - Heat-exchange fluid temperature

66.

ELECTROLYTE SOLUTION, LITHIUM-SULFUR SECONDARY BATTERY, AND MODULE

      
Application Number JP2020022276
Publication Number 2020/246578
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Hidaka, Tomoya
  • Kuwajima, Yoshiko
  • Yamazaki, Shigeaki

Abstract

22Sn, 1≤n≤8), and organic sulfur compounds. The electrolyte solution includes: a fluorinated ether that is represented by formula (1) (Rf-(OR1)n-O-R2, in which Rf is an alkyl group that includes a fluorine atom and may form a C1–5 branch or ring, the R1s are an alkyl group that may include a fluorine atom, R2is a C1–9 alkyl group that does not include fluorine and may form a branch or a ring, n is 0, 1, or 2, and there are at least 5 carbons per molecule); an ether compound that is represented by formula (2) (R4-(OCHR32xx-OR5, in which R4and R5may together form a ring but are each independently selected from the group that consists of C1–9 alkyl groups that do not include fluorine, phenyl groups that may be substituted with a halogen atom, and cyclohexyl groups that may be substituted with a halogen atom, the R333, and x is 0–10); and an alkali metal salt.

IPC Classes  ?

  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 10/052 - Li-accumulators
  • H01M 10/0568 - Liquid materials characterised by the solutes
  • H01M 10/0569 - Liquid materials characterised by the solvents

67.

ELECTROLYTE SOLUTION, SECONDARY BATTERY, AND MODULE

      
Application Number JP2020022277
Publication Number 2020/246579
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kuwajima, Yoshiko
  • Hidaka, Tomoya
  • Yamazaki, Shigeaki

Abstract

Provided are an electrolyte solution for a secondary battery, a secondary battery, and a module provided with the secondary battery that are capable of improving cycle properties. The electrolyte solution for a secondary battery provided with a positive electrode and a negative electrode containing an alkali metal is characterized: in that the positive electrode contains at least one compound selected from the group consisting of an alkali metal-containing transition metal oxide compound and an alkali metal-containing transition metal phosphoric acid compound; and by containing a compound represented by formula (1) and/or a compound represented by formula (2).

IPC Classes  ?

  • H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 10/052 - Li-accumulators
  • H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
  • H01M 10/0569 - Liquid materials characterised by the solvents

68.

ELECTROLYTE SOLUTION FOR ALKALI METAL ION SECONDARY BATTERY, ALKALI METAL ION SECONDARY BATTERY AND MODULE

      
Application Number JP2020022278
Publication Number 2020/246580
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kuwajima, Yoshiko
  • Hidaka, Tomoya
  • Yamazaki, Shigeaki

Abstract

The present disclosure provides an electrolyte solution capable of improving the cycle characteristics and the rate characteristics. Alkali metal ion secondary batteries using this electrolyte solution demonstrate excellent battery output. This electrolyte solution for an alkali metal ion secondary battery comprising a positive electrode and a negative electrode is characterized in that: the positive electrode includes at least one selected from the group consisting of an alkali metal-containing transition metal complex oxide, and an alkali metal-containing transition metal phosphoric acid compound; the negative electrode includes at least one selected from the group consisting of graphite, a silicon-based material, a tin-based material, and an alkali metal-including metal complex oxide material; and the electrolyte solution contains a compound represented by formula (1) and/or a compound represented by formula (2).

IPC Classes  ?

  • H01M 10/0569 - Liquid materials characterised by the solvents
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
  • H01M 10/052 - Li-accumulators
  • H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
  • H01M 10/0567 - Liquid materials characterised by the additives

69.

EQUIPMENT MAINTENANCE SYSTEM

      
Application Number JP2020022397
Publication Number 2020/246601
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Yoshikawa Satoshi

Abstract

This equipment maintenance system comprises an equipment information storage unit that stores equipment information pertaining to a plurality of installed equipment, a condition information storage unit that stores specification conditions for specifying an inspection subject from the plurality of installed equipment, and an equipment list generation unit that generates an equipment list 24 of designated equipment that serves as inspection subjects. The equipment list generation unit compares the equipment information stored in the equipment information storage unit and the condition information stored in the condition information storage unit to thereby specify the designated equipment that serves as inspection subjects.

IPC Classes  ?

  • F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plant or systems
  • G06Q 10/00 - Administration; Management
  • F24F 11/38 - Failure diagnosis
  • F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
  • F24F 11/64 - Electronic processing using pre-stored data

70.

FLUORINATED COMPOUND

      
Application Number JP2020022446
Publication Number 2020/246612
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner
  • DAIKIN INDUSTRIES, LTD. (Japan)
  • SAGA UNIVERSITY (Japan)
Inventor
  • Higashi, Masahiro
  • Kishikawa, Yosuke
  • Kitamura, Tsugio

Abstract

The present disclosure addresses the problem of providing a fluorinated compound (especially a fluorinated vinyl group-containing cyclic hypervalent iodine compound). The problem is solved by a fluorinated vinyl group-containing cyclic hypervalent iodine compound represented by formula (2). (In the formula, ring A represents an aromatic ring that may have one or more substituents; and R1and R2 may be the same or different, and each represents a hydrogen atom or an organic group.)

IPC Classes  ?

  • C07D 347/00 - Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms

71.

DEVICE CONTROL SYSTEM AND DEVICE CONTROL METHOD

      
Application Number JP2020022349
Publication Number 2020/246594
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Kita, Kenji

Abstract

Previously, when inputting a control program into a system for remotely controlling a device, a user who is not proficient with the program would have difficulty inputting execution environment parameters necessary to execute the program. A device control system (1) comprises a device (21) and a management device (10) for remotely controlling the device. The management device (10) accepts a program for controlling the device (21), executes the accepted program in a first execution mode constituting one out of a plurality of execution modes, and, on the basis of execution results, determines the execution mode to register in a storage unit (12) of the management device (10).

IPC Classes  ?

  • H04M 11/00 - Telephonic communication systems specially adapted for combination with other electrical systems
  • H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

72.

COMPOSITION

      
Application Number JP2020022426
Publication Number 2020/246607
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamaguchi, Hiroki
  • Tortissier, Gregory
  • Mohara, Kensuke
  • Morita, Masamichi

Abstract

The present disclosure addresses the problem of providing a composition, preferably a composition for forming a liquid-repellent film. The problem is solved by a composition containing: [1] a polymer constituting a water-repellent component, the polymer containing a structural unit derived from (A) at least one modified particulate [the modified particulate (A) contains (i) nuclear microparticles and (ii) at least one modifier that modifies the nuclear microparticles (a portion or all of the at least one modifier has at least one polymerizable group (a))], and a structural unit derived from (Bs) at least one compound [the compound has at least one polymerizable group (b) in the molecule and contains fluorine]; [2] a monomer (Bm) constituting a wear-resistant component; and [3] a solvent mainly containing at least one solvent selected from the group consisting of a non-fluorine organic solvent and water, wherein the ratio of the mass of the wear-resistant component [2] to the total mass of the water-repellent component [1] and the wear-resistant component [2] is in the range of 85:100-35:100.

IPC Classes  ?

  • C08F 292/00 - Macromolecular compounds obtained by polymerising monomers on to inorganic materials
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
  • C09D 201/00 - Coating compositions based on unspecified macromolecular compounds
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08J 5/18 - Manufacture of films or sheets
  • C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
  • C09D 7/20 - Diluents or solvents
  • C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
  • C09D 7/63 - Additives non-macromolecular organic

73.

METHOD FOR PRODUCING REACTION GAS CONTAINING (E)-1,2-DIFLUOROETHYLENE

      
Application Number JP2020022443
Publication Number 2020/246611
Status In Force
Filing Date 2020-06-05
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takakuwa, Tatsuya
  • Yamamoto, Osamu
  • Fujiwara, Katsuki
  • Kuramoto, Kei
  • Hasumoto, Yuuta

Abstract

The present disclosure provides a method for producing a reaction gas containing R-1132(E) with higher selectivity than in conventional methods. More specifically, the present disclosure provides a method for producing a reaction gas containing (E)-1,2-difluoroethylene (R-1132(E)), wherein: (1) the method includes a step for subjecting a raw material gas containing at least one fluoromethane compound selected from the group consisting of chlorodifluoromethane (R-22), difluoromethane (R-32) and fluoromethane (R-41) to a reaction that includes thermal decomposition so as to obtain the reaction gas; and (2) the raw material gas has a water vapor content of 1 vol% or less.

IPC Classes  ?

  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons

74.

ASSESSMENT SYSTEM

      
Application Number JP2020022516
Publication Number 2020/246615
Status In Force
Filing Date 2020-06-08
Publication Date 2020-12-10
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Gotou, Takashi
  • Hashizume, Hideki
  • Hirayama, Takahiro
  • Matsubara, Akira
  • Arai, Junichiro

Abstract

There is a demand for technology with which a physiological state of the body, such as blood pressure, is easily assessed. This assessment system (1) is provided with a body surface change information acquisition unit (110), a movement detection unit (120), and a physiological state assessment unit (130). The body surface change information acquisition unit (110) acquires body surface change information indicating a change over time in body-surface data of a subject. The movement detection unit (120) detects movement of the subject. The physiological state assessment unit (130) assesses the attitude of the subject or a physiological state of the body of the subject on the basis of body surface data at a time when movement of the subject was detected.

IPC Classes  ?

  • A61B 5/022 - Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthaldynamometers
  • A61B 5/0245 - Measuring pulse rate or heart rate using sensing means generating electric signals

75.

HEAT TRANSFER TUBE AND HEAT EXCHANGER

      
Application Number JP2020004587
Publication Number 2020/240936
Status In Force
Filing Date 2020-02-06
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Zheng Chen
  • Kaji Ryuhei

Abstract

In at least two passages (41, 42), a first parameter L/W and a second parameter A/W are different from each other. The first parameter L/W is set by the widthwise length W and the wet edge length L of the passages (41, 42). The second parameter A/W is set by the widthwise length W and the cross-sectional area A of the passages (41, 42).

IPC Classes  ?

  • F28F 1/02 - Tubular elements of cross-section which is non-circular
  • F28F 1/40 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element

76.

AIR-CONDITIONING SYSTEM

      
Application Number JP2020020358
Publication Number 2020/241507
Status In Force
Filing Date 2020-05-22
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nakayama, Kazuhiro
  • Okamoto, Atsushi

Abstract

Provided is an air-conditioning system capable of detecting in advance devices with power consumption which cannot be handled by a power supply unit. The air-conditioning system (100) comprises a refrigeration cycle (RC), a power supply unit (40), and a controller (60). The refrigeration cycle (RC) has an outdoor unit (10) and a plurality of indoor units (30). If power to at least one of the plurality of indoor units (30) is interrupted, the power supply unit (40) supplies auxiliary power to the indoor unit (30) in which power is interrupted. When a predetermined device is connected to at least one of the plurality of indoor units (30) and power supply unit (40), the controller (60) provides notification of the state of the device and deactivates at least part of the functions of the device.

IPC Classes  ?

  • F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
  • F24F 11/32 - Responding to malfunctions or emergencies
  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 11/526 - Indication arrangements, e.g. displays giving audible indications
  • F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
  • F24F 11/64 - Electronic processing using pre-stored data
  • F24F 11/89 - Arrangement or mounting of control or safety devices
  • F24F 140/00 - Control inputs relating to system states
  • F24F 140/60 - Energy consumption
  • F24F 6/00 - Air-humidification

77.

SYSTEM FOR ASSISTING WITH INSTALLATION OF AIR CONDITIONER

      
Application Number JP2020020535
Publication Number 2020/241567
Status In Force
Filing Date 2020-05-25
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Haruta, Yoshihiro
  • Hirosawa, Fumihiko
  • Hamabe, Yasuaki
  • Murao, Masanori

Abstract

A system (1) for assisting with the installation of an air conditioner assesses, from the paper drawing of a building, whether or not a prescribed area in the building is an area that requires an air conditioner. A system (10) for assessing whether an air conditioner is necessary comprises a conversion unit (11), an extraction unit (12) and an assessment unit (14). The conversion unit (11) converts the paper drawing into image data. The extraction unit (12) extracts line information and/or text information from the image data. The assessment unit (14) identifies a room name and/or an object from the information and assesses from the identification result whether or not the prescribed area in the building requires an air conditioner.

IPC Classes  ?

  • G06Q 50/08 - Construction
  • G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
  • G06F 30/10 - Geometric CAD
  • G06F 30/20 - Design optimisation, verification or simulation
  • G06F 30/13 - Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads

78.

REFRIGERATION DEVICE

      
Application Number JP2020020691
Publication Number 2020/241622
Status In Force
Filing Date 2020-05-26
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamaguchi Masaki
  • Oka Masahiro
  • Tanaka Tomokazu

Abstract

In the present invention, a compressor (31a, 31b) and an oil separator (35a, 35b) are provided in a refrigeration circuit (20). A flow control valve (41a, 41b) is provided in an oil return pipe (40a, 40b) that returns the refrigerating machine oil of the oil separator (35a, 35b) to the compressor (31a, 31b). A temperature sensor (42a, 42b) is provided downstream of the flow control valve (41a, 41b) in the oil return pipe (40a, 40b). On the basis of the measurement value of the temperature sensor (42a, 42b), an oil amount determination unit (71a, 71b) determines whether the amount of refrigerating machine oil held by the compressor (31a, 31b) is insufficient or not.

IPC Classes  ?

  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle

79.

OIL-RESISTANT AGENT FOR PAPER

      
Application Number JP2020020972
Publication Number 2020/241709
Status In Force
Filing Date 2020-05-27
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Uehara, Tetsuya
  • Matsuda, Michio
  • Sakashita, Hirotoshi
  • Yamamoto, Yuuki
  • Noguchi, Daisuke

Abstract

Provided is an oil-resistant agent that can impart exceptional oil resistance to paper. This oil-resistant agent for paper is added to the interior of paper and comprises (1) a non-fluorine polymer and (2) at least one type of particles selected from inorganic particles or organic particles, the amount of the particles (2) being 1-99.9 wt% of the total weight of the non-fluorine polymer (1) and the particles (2).

IPC Classes  ?

  • D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
  • D21H 17/28 - Starch
  • D21H 17/37 - Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
  • D21H 17/67 - Water-insoluble compounds, e.g. fillers or pigments
  • D21J 3/00 - Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds

80.

POWER MEASUREMENT DEVICE AND POWER MEASUREMENT METHOD

      
Application Number JP2020021380
Publication Number 2020/241834
Status In Force
Filing Date 2020-05-29
Publication Date 2020-12-03
Owner
  • DAIKIN INDUSTRIES, LTD. (Japan)
  • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
  • Miyake, Yuka
  • Dohmae, Hiroshi
  • Suzuki, Akio
  • Fujimoto, Jun

Abstract

The present invention provides a power measurement device with high measurement precision that measures power supplied through a conduction path in a state of non-contact with the conduction path. A power measurement device (1) is provided with a voltage detection unit (3), a current detection unit (4), and a power calculation unit (2). The voltage detection unit (3) detects, in a state of non-contact, an AC voltage of a conduction path (100) through which power is supplied from an AC power source the AC voltage magnitude of which has been set to a prescribed value, and outputs first data related to a voltage waveform of the AC voltage of the conduction path (100). The current detection unit (4) detects an AC current flowing through the conduction path (100) in the state of non-contact, and outputs second data related to a current waveform of the AC current of the conduction path (100). The power calculation unit (2) accepts inputs of the first data and the second data, and calculates effective power of the conduction path (100) from a product of: a second instantaneous voltage generated by converting, on the basis of a prescribed value, a first instantaneous voltage of the voltage waveform indicated by the first data; and an instantaneous current of the current waveform indicated by the second data.

IPC Classes  ?

  • G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
  • G01R 15/06 - Voltage dividers having reactive components, e.g. capacitive transformer
  • G01R 15/09 - Autoranging circuits
  • G01R 22/02 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electrolytic methods
  • G01R 22/06 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods

81.

SCROLL COMPRESSOR

      
Application Number JP2020003251
Publication Number 2020/240922
Status In Force
Filing Date 2020-01-29
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Sata Kenichi

Abstract

This scroll compressor comprises a scroll-type compression element (10) having a movable scroll (11), a drive shaft (15) that causes the movable scroll (11) to revolve, a boss portion (11b) that is provided to the back-surface side of the movable scroll (11) and that rotatably supports an eccentric shaft portion (15a) of the upper end of the power element 15, and a sliding bearing (17) provided between the boss portion (11b) and the eccentric shaft portion (15a). The stiffness of an axially center portion (111) of the boss portion (11b) is greater than the stiffness of a connecting portion (112) in the boss portion (11b) that connects to the movable scroll (11).

IPC Classes  ?

  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents

82.

AIR-CONDITIONING SYSTEM

      
Application Number JP2020003295
Publication Number 2020/240923
Status In Force
Filing Date 2020-01-30
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Okamoto Yasunori
  • Fujita Naotoshi
  • Tatsumi Kouji
  • Kawagishi Masaaki
  • Umase Shinya

Abstract

An air-conditioning system (100) comprising an outside air processing device (10) and an air-conditioning device (20), wherein the operation of either the outside air processing device (10) or the air-conditioning device (20) is stopped if the temperature/humidity state which is the temperature and/or humidity of air in the space to be air-conditioned (SP1, SP2) is within a predetermined range and the load factor of the outside air processing device (10) and/or the air-conditioning device (20) is lower than a predetermined lower limit value.

IPC Classes  ?

  • F24F 11/46 - Improving electric energy efficiency or saving
  • F24F 3/044 - Systems in which all treatment is given in the central station, i.e. all-air systems
  • F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
  • F24F 11/65 - Electronic processing for selecting an operating mode
  • F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
  • F24F 140/50 - Load

83.

AIR-CONDITIONING SYSTEM

      
Application Number JP2020015853
Publication Number 2020/241076
Status In Force
Filing Date 2020-04-08
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nakayama, Kazuhiro
  • Okamoto, Atsushi

Abstract

An air-conditioning system (100) comprises a refrigeration cycle (RC), a power feeding unit (40), a controller (60), and a determination unit (90). The refrigeration cycle (RC) includes an outdoor unit (10) and a plurality of indoor units (30). The outdoor unit (10) includes a compressor (11). When power to at least one of the plurality of indoor units (30) is cut off, the power feeding unit (40) supplies auxiliary power to the at least one indoor unit. The controller (60) controls at least the compressor (11). The determination unit (90) makes a determination to stop the compressor (11) or to allow the compressor (11) to continue operating when power to at least one of the plurality of indoor units (10) is cut off. The determination unit (90) sends a command corresponding to the determination to the controller (60).

IPC Classes  ?

84.

SCROLL COMPRESSOR AND REFRIGERATION DEVICE PROVIDED WITH SAME

      
Application Number JP2020016608
Publication Number 2020/241101
Status In Force
Filing Date 2020-04-15
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takeda Jin
  • Tanaka Kouji

Abstract

A scroll compressor (1) is provided with: a first space (71) and a second space (72); a third space (63) provided between the first space (71) and the second space (72); a partition member (64) disposed in the third space (63) and partitioning the first space (71) and the second space (72) from each other; a first introducing path (73) for guiding a first pressure fluid compressed by a compressing mechanism (20) to the first space (71); and a second introducing path (74) for guiding a second pressure fluid compressed by the compressing mechanism (20) and having a pressure lower than that of the first pressure fluid to the second space (72). At least one of the first introducing path (73) and the second introducing path (74) includes a narrow portion (91a, 92a, G) with a reduced flow path cross section.

IPC Classes  ?

  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents

85.

PRIMER FOR ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER COATING MATERIALS

      
Application Number JP2020017224
Publication Number 2020/241121
Status In Force
Filing Date 2020-04-21
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Imada, Hirotake
  • Nakatani, Yasukazu

Abstract

The present invention provides a primer for ETFE coating materials, which provides a primer film that enables the achievement of excellent adhesion between an object to be coated and an ETFE coating film. A primer for ETFE coating materials, which contains ethylene/tetrafluoroethylene copolymer (ETFE) particles, a heat-resistant resin and a nonionic surfactant, wherein: the ETFE particles have an average particle diameter of from 5.0 μm to 50 μm; the heat-resistant resin is composed of at least one resin that is selected from the group consisting of polyamide imide resins, polyether sulfone resins and polyimide resins; the solid content mass ratio of the ETFE particles to the heat-resistant resin is from 60:40 to 90:10; and the nonionic surfactant is a polyoxyethylene alkyl ether surfactant.

IPC Classes  ?

  • B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
  • C09D 179/08 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
  • C09D 181/06 - Polysulfones; Polyethersulfones
  • C09D 7/20 - Diluents or solvents
  • C09D 7/65 - Additives macromolecular

86.

SURFACE TREATING AGENT

      
Application Number JP2020019291
Publication Number 2020/241282
Status In Force
Filing Date 2020-05-14
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Maruhashi, Kazuki
  • Ozawa, Kaori
  • Mitsuhashi, Hisashi

Abstract

The present invention provides a surface treating agent containing: at least one fluoropolyether group-containing compound represented by formula (1) or (2) [in the formulae, each symbol has the same meaning as described in the specification]; and a chlorine ion, wherein the concentration of chlorine ions in the surface treating agent is 0.1-1.0 ppm by mass.

IPC Classes  ?

  • C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon
  • C09D 5/16 - Anti-fouling paints; Underwater paints
  • C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 7/63 - Additives non-macromolecular organic

87.

AIR-CONDITIONING SYSTEM

      
Application Number JP2020019656
Publication Number 2020/241358
Status In Force
Filing Date 2020-05-18
Publication Date 2020-12-03
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Okamoto Yasunori
  • Fujita Naotoshi
  • Tatsumi Kouji
  • Kawagishi Masaaki
  • Umase Shinya

Abstract

The objective of the present disclosure is to perform optimal coordinated control of an outdoor-air treatment device and an air-conditioning device. An air-conditioning system (100) is provided with an outdoor-air treatment device (10) for adjusting the temperature and the humidity of outdoor air that has been taken in and supplying air to subject spaces (SP1, SP2), an air-conditioning device (20) for adjusting the temperature of the air in the subject spaces (SP1, SP2), and a control unit (30). When one of the outdoor-air treatment device (10) and the air-conditioning device (20) is in a non-temperature-adjusting state of not adjusting the temperature of the air, the control unit (30) changes the air-conditioning capacity of the other of the outdoor-air treatment device (10) and the air-conditioning device (20) as compared to when the outdoor-air treatment device (10) and the air-conditioning device (20) are in a temperature-adjusting state of adjusting the temperature of the air.

IPC Classes  ?

  • F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
  • F24F 11/70 - Control systems characterised by their outputs; Constructional details thereof
  • F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
  • F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air

88.

SCROLL COMPRESSOR AND REFRIGERATION DEVICE PROVIDED WITH SAME

      
Application Number JP2020016603
Publication Number 2020/235271
Status In Force
Filing Date 2020-04-15
Publication Date 2020-11-26
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Nagahara Kenji

Abstract

A housing (21) includes: a bearing part (22); a body part (23) which extends radially outward and which is continuous to the bearing part (22); a pressure-contact part (24) which pressure-contacts a casing (10) radially outside the body part (23); and a support part (25) which extends toward a fixed scroll (30). An end surface of the support part (25) on the fixed scroll (30) side is a fastening surface (25a) to which the fixed scroll (30) is fastened. A gap (G1) is formed between the outer circumferential surfaces of the support part (25) and the body part (23) and the inner circumferential surface of the casing (10). The axial length (L1) of the gap (G1) is greater than or equal to the axial length (L2) of the inner circumferential surface of the support part (25).

IPC Classes  ?

  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents

89.

COMPRESSOR

      
Application Number JP2020016605
Publication Number 2020/235272
Status In Force
Filing Date 2020-04-15
Publication Date 2020-11-26
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor Nagahara Kenji

Abstract

A compressor (1) is provided with: a cylindrical casing (10); and a compression mechanism (20) which is housed in the casing (10). The compression mechanism (20) has a housing (21) including a pressure-contact part (22) which pressure-contacts the casing (10) and a welded part (23) which is welded to the casing (10). At least a portion of the pressure-contact part (22) and at least a portion of the welded part (23) are arranged in an array in the circumferential direction of the casing (10).

IPC Classes  ?

  • F04B 39/12 - Casings; Cylinders; Cylinder heads; Fluid connections
  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
  • F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups

90.

EQUIPMENT MAINTENANCE SYSTEM

      
Application Number JP2020019279
Publication Number 2020/235446
Status In Force
Filing Date 2020-05-14
Publication Date 2020-11-26
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Inuga, Shinya
  • Kitamura, Masayasu

Abstract

An abnormality is more likely to occur during a certain period of time after installation of equipment than during a normal period of time. An equipment management system (100) is provided with a management device (30) and a transmission device (20). The management device (30) manages pieces of equipment (10a-10f). The equipment information is information related to the equipment (10a-10f). The transmission device (20) transmits the equipment information to the management device (30). On the basis of a new installation or the implementation of a configuration change, the management device (30) or the transmission device (20) changes a condition under which the transmission device (20) transmits the equipment information to the management device (30).

IPC Classes  ?

91.

STAIN-PROOF BASE MATERIAL

      
Application Number JP2020019653
Publication Number 2020/235528
Status In Force
Filing Date 2020-05-18
Publication Date 2020-11-26
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Nomura, Takashi
  • Naitou, Masato
  • Ozawa, Kaori
  • Nakano, Nozomi
  • Mitsuhashi, Hisashi
  • Watanabe, Yuusuke

Abstract

The present invention provides an article comprising a base material, a middle layer positioned above the base material, and positioned directly above the middle layer, a surface-processed layer formed from a surface processing agent including a fluorine-containing silane compound. The middle layer includes a complex oxide containing Si.

IPC Classes  ?

  • B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
  • B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
  • B32B 27/00 - Layered products essentially comprising synthetic resin
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising acrylic resin
  • C03C 17/42 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces

92.

FLUORINE-CONTAINING ELASTOMER COMPOSITION AND ARTICLE

      
Application Number JP2020019807
Publication Number 2020/235565
Status In Force
Filing Date 2020-05-19
Publication Date 2020-11-26
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Konishi, Tomohisa
  • Noguchi, Tsuyoshi

Abstract

Provided is a fluorine-containing elastomer composition containing an uncrosslinked fluorine-containing elastomer and a crosslinked perfluoro resin.

IPC Classes  ?

  • C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
  • C08K 3/011 - Crosslinking or vulcanising agents, e.g. accelerators
  • C08K 3/013 - Fillers, pigments or reinforcing additives

93.

HEAT-STRESS EFFECT ESTIMATING DEVICE, HEAT-STRESS EFFECT ESTIMATING METHOD, AND COMPUTER PROGRAM

      
Application Number JP2020019558
Publication Number 2020/235509
Status In Force
Filing Date 2020-05-15
Publication Date 2020-11-26
Owner
  • DAIKIN INDUSTRIES, LTD. (Japan)
  • RIKEN (Japan)
Inventor
  • Sakata Youko
  • Hori Shouta
  • Hashimoto Satoshi
  • Watanabe Yasuyoshi
  • Mizuno Kei
  • Morito Yusuke
  • Yamano Emi
  • Iwasaki Miho

Abstract

A heat-stress effect estimating device (10) includes a storage unit (11) and a calculation unit (12). The storage unit (11) stores the correlation between: at least the temperature of the area surrounding a person and the outside air temperature; and at least one index indicating the effect that heat stress will have on the person. The calculation unit (12) estimates the condition of a subject with respect to an index, on the basis of the correlation stored in the storage unit (11), the temperature of the area surrounding the subject at a prescribe time, and the history of the outside air temperature until the prescribed time.

IPC Classes  ?

  • G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
  • A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons

94.

AIR CONDITIONING SYSTEM

      
Application Number JP2020017720
Publication Number 2020/230590
Status In Force
Filing Date 2020-04-24
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Hirai, Kousuke
  • Fujimoto, Tooru
  • Yamamoto, Akiyoshi
  • Sakai, Gakuto
  • Matsugi, Yoshitaka

Abstract

An air conditioning system 10 comprises: an air conditioner 11; a refrigerant sensor 26; a ventilation device 12; and a controller 12. The ventilation device 12 comprises: a total heat exchanger 32; a first air supply duct 47 and a first air exhaust duct 46 that communicate with the inside and outside of an air conditioning target space via the total heat exchanger 32; a second air supply duct 48 that communicates with the inside and outside of the air conditioning target space not via the total heat exchanger 32; an air supply fan 34 that supplies air from outside of the air conditioning target space to inside of the air conditioning target space via the first air supply duct 47 and the second air supply duct 48; an air exhaust fan 33 that exhausts air from inside of the air conditioning target space to outside of the air conditioning target space via the first air exhaust duct 46; and an air supply opening/closing mechanism 55 that switches the opening/closing of the first air supply duct 47 and the second air supply duct 48. A controller 36 controls the air supply opening/closing mechanism 55 such that the second air supply duct 48 opens when the refrigerant sensor 26 detects a leakage of the refrigerant.

IPC Classes  ?

  • F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plant or systems
  • F24F 7/007 - Ventilation with forced flow
  • F24F 7/08 - Ventilation with ducting systems with forced air circulation, e.g. by fan with separate ducts for supplied and exhausted air
  • F24F 11/36 - Responding to malfunctions or emergencies to leakage of heat-exchange fluid

95.

LEARNING MODEL GENERATION METHOD, PROGRAM, STORAGE MEDIUM, AND PRELEARNED MODEL

      
Application Number JP2020018967
Publication Number 2020/230781
Status In Force
Filing Date 2020-05-12
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Kawabe, Rumi
  • Takakuwa, Tatsuya
  • Masuda, Haruhisa
  • Kuramoto, Kei

Abstract

To discover a suitable combination of a water repellent agent, etc., it is necessary to carry out a test and research a number of times, imposing huge time and cost burdens. A learning model generation method for generating a learning model that determines, using a computer, the evaluation of an article in which a surface treatment agent is fixed to a substrate. The learning model generation method includes an acquisition step (S12), a learning step (S15) and a generation step (S16). In the acquisition step (S12), the computer acquires teaching data. The teaching data includes substrate information, treatment agent information, and article evaluation. In the learning step (S15), the computer learns on the basis of the plurality of teaching data acquired in the acquisition step (S12). In the generation step (S16), the computer generates a learning model on the basis of the result of learning practiced in the learning step (S15). The article is one in which a surface treatment agent is fixed to a substrate. The learning model accepts input information as input and outputs an evaluation. The input information is unknown information different from the teaching data. The input information at least includes the substrate information and the treatment agent information.

IPC Classes  ?

  • G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
  • G06N 20/00 - Machine learning
  • G06N 20/20 - Ensemble learning
  • G16C 20/70 - Machine learning, data mining or chemometrics

96.

UNIT FOR REFRIGERATION DEVICES, HEAT SOURCE UNIT, UTILIZATION UNIT, AND REFRIGERATION DEVICE

      
Application Number JP2020003764
Publication Number 2020/230376
Status In Force
Filing Date 2020-01-31
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Takegami Masaaki
  • Ueno Akitoshi
  • Horita Takuya
  • Kimura Naoto

Abstract

Valve mechanisms (14a, 14b, 63a, 63b, 90) have: valve bodies (80, 95); a first flow path (81) formed at a position facing the tips (80a, 95b) of the valve bodies (80, 95); a drive unit (85) that moves the valve bodies (80, 95) between a first position at which the tips (80a, 95b) of the valve bodies (80, 95) close the first flow path (81) and a second position at which the tips (80a, 95b) of the valve body (80) open the first flow path (81); and a second flow path (82) that connects to the first flow path (81) when the valve body (80) is at the second position. High-pressure flow paths (I1, I2, O2, O3, 48) are configured such that high-pressure refrigerant always flows, in order, through the second flow path (82) then the first flow path (81), in the valve mechanisms (14a, 14b, 63a, 63b, 90).

IPC Classes  ?

  • F25B 13/00 - Compression machines, plant, or systems, with reversible cycle
  • F25B 41/06 - Flow restrictors, e.g. capillary tubes; Disposition thereof
  • F25B 1/00 - Compression machines, plant or systems with non-reversible cycle

97.

SEALING STRUCTURE FOR BATTERY

      
Application Number JP2020018295
Publication Number 2020/230652
Status In Force
Filing Date 2020-04-30
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Liu Jihong
  • Aoyama Takahisa
  • Tsuda Hayato
  • Sukegawa Masamichi

Abstract

A sealing structure (10a) for a lithium ion battery (10) comprises a metal lid (2), a molded polymer body (3) and an electrode (11). At least one of the back surface (2c) of the metal lid (2) and the front surface (11c) of a plate (11b) is provided with an annular protrusion (51). If h is the height of the protrusion (51), w is the width of the protrusion (51) and H is the thickness of the base part (3b) of the molded polymer body (3), h/H is 0.1-0.7, inclusive, and h/w is 0.1-1.0, inclusive. The profile of the protrusion (51) is a smoothly curved line and/or a plurality of straight lines having inner angles (51c) of at least 160° but less than 360°. The area of a cross section (51a) of the protrusion (51) is 50-96% of h∙w.

IPC Classes  ?

98.

SEALING STRUCTURE FOR BATTERY

      
Application Number JP2020018297
Publication Number 2020/230653
Status In Force
Filing Date 2020-04-30
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Liu Jihong
  • Aoyama Takahisa
  • Tsuda Hayato
  • Sukegawa Masamichi

Abstract

A sealing structure (10a) for a lithium ion battery (10) comprises a metal lid (2), a molded polymer body (3) and an electrode (11). The rear surface (2c) of the metal lid (2) is provided with an annular first protrusion (51) at the periphery of a through hole (2a). The front surface (11c) of the plate (11b) of the electrode (11) is provided with an annular second protrusion (52) at the periphery of the through hole (2a). If h1 and h2 are the respective heights of the first protrusion (51) and the second protrusion (52), d is the distance between the first protrusion (51) and the second protrusion (52) and H is the thickness of the base part of the molded polymer body (3), the values for α and β expressed by formulae (1) conform to a prescribed relationship. Formulae (1) α = (h1 + h2) / H, β = d/H

IPC Classes  ?

99.

METHOD FOR PRODUCING FLUORINATED IODINATED ORGANIC COMPOUND

      
Application Number JP2020018688
Publication Number 2020/230725
Status In Force
Filing Date 2020-05-08
Publication Date 2020-11-19
Owner
  • DAIKIN INDUSTRIES, LTD. (Japan)
  • SAGA UNIVERSITY (Japan)
Inventor
  • Higashi, Masahiro
  • Kishikawa, Yosuke
  • Kitamura, Tsugio

Abstract

The present invention addresses the problem of providing a novel method for producing a fluorinated iodinated organic compound. This problem can be solved by a method for producing a fluorinated iodinated organic compound, the method including a step for reacting a compound represented by formula (1): (in the formula, R1and R2 each independently denote a hydrogen atom, a halogen atom or an organic group, or form a ring together with adjacent carbon atoms, and n is 1 or 2) with a fluorine source, an iodine source and an oxidizing agent or a radical generator so as to add fluorine and iodine to a double bond or triple bond.

IPC Classes  ?

  • C07B 39/00 - Halogenation
  • C07C 17/02 - Preparation of halogenated hydrocarbons by addition of halogens to unsaturated hydrocarbons
  • C07C 19/16 - Acyclic saturated compounds containing halogen atoms containing fluorine and iodine
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C07C 22/08 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings containing fluorine
  • C07C 23/10 - Monocyclic halogenated hydrocarbons with a six-membered ring
  • C07C 29/62 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by substitution of halogen atoms by other halogen atoms
  • C07C 31/36 - Halogenated alcohols the halogen not being fluorine
  • C07C 67/307 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by substitution of halogen atoms by other halogen atoms
  • C07C 69/63 - Halogen-containing esters of saturated acids
  • C07C 69/65 - Halogen-containing esters of unsaturated acids

100.

HEAT EXCHANGER AND HEAT PUMP APPARATUS

      
Application Number JP2020018728
Publication Number 2020/230737
Status In Force
Filing Date 2020-05-08
Publication Date 2020-11-19
Owner DAIKIN INDUSTRIES, LTD. (Japan)
Inventor
  • Yamada, Kouju
  • Hirokawa, Tomoki

Abstract

Provided are a heat exchanger and a heat pump apparatus having a header, with which it is possible to keep the number of components low, even in the case in which a large internal space is maintained. This outdoor heat exchanger (11) is connected to a first gas refrigerant tube (19) through which a refrigerant flows, and comprises a plurality of flat tubes (28) and a gas header (70), wherein the gas header (70) comprises a first member (71) having a flat tube connecting plate (71a) to which a plurality of flat tubes (28) are connected, and a second member (72) which is positioned between the first gas refrigerant tube (19) and the flat tube connecting plate (71a). The second member (72) comprises a first inner wall (72b) and second internal wall (72c) along a first direction in which the flat tubes (28) extend, and a connecting portion (72a) which connects the first inner wall (72b) and the second inner wall (72c). The first gas refrigerant tube (19) and the flat tubes (28) are connected via a space sandwiched between the first inner wall (72b) and the second inner wall (72c).

IPC Classes  ?

  • F25B 13/00 - Compression machines, plant, or systems, with reversible cycle
  • F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
  • F28F 1/02 - Tubular elements of cross-section which is non-circular
  • F28F 1/32 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
  • F28F 9/02 - Header boxes; End plates
  1     2     3     ...     51        Next Page