Abrégé

This control device controls the rotation speed of a motor by controlling an inverter for AC driving a motor that rotationally drives a compressor, wherein: a compensation torque value is calculated by multiplying an average output torque command value calculated in accordance with a deviation between the rotation speed of the motor and a rotation speed command value by a normalized torque pattern, which is a pattern of a plurality of coefficient values that change in accordance with the rotation angle of the motor and is set such that the total value of one rotation is zero; the compensation torque value is added to the average output torque command value, thereby setting an output torque command value of the motor in accordance with the rotation angle to control the inverter; and a pre-adjustment normalized torque pattern is compared with a post-adjustment normalized torque pattern, which is a normalized torque pattern obtained by individually adjusting a plurality of values using any one among a plurality of bit patterns each having a bit number that is based on the number of the plurality of coefficient values, said comparison being performed on the basis of respective calculation results of prescribed evaluation values associated with a fluctuation in rotation speed obtained as a result of being actually used to control the motor. Either one of the normalized torque patterns is adopted.

Classes IPC  ?

• H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
• F04B 49/06 - Commande utilisant l'électricité
• F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible

Abrégé

Provided is a scroll compressor comprising: a scroll compression mechanism (5); a rear housing (2) which accommodates the scroll compression mechanism (5); and a front housing (3) in which a slidable surface (3Ba) which comes into contact with an end surface (16a) of an orbiting scroll (16) is formed at an end section on the scroll compression mechanism (5) side. In the rear housing (2), a suction port (2b) which introduces a refrigerant gas into an internal space (IS) is formed. At a position where the slidable surface (3Ba) is disposed, an outer edge section (3c) of the front housing (3) in the radial direction RD is disposed with a clearance (CL) between the outer edge section and the inner circumferential surface (2c) of the rear housing (2). The compressor (1) has notch sections (3d) which are notched inward in the radial direction (RD) at a plurality of locations in the circumferential direction around an axis (X) so that the refrigerant gas introduced into the internal space (IS) from the suction port (2b) is guided to the scroll compression mechanism (5) side.

Classes IPC  ?

• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise

Abrégé

The purpose of the present invention is to provide a control device, a heat source system, a control method, and a control program with which a heat medium at a required temperature can be more effectively sent out. This control device, which is applied to a heat source system 1 comprising a plurality of heat source machines (2a), (2b) connected in series, comprises a setting unit which sets the outlet setting temperatures of cool water in the respective heat source machines (2a), (2b) on the basis of: a measured value of a cool water flow rate, measured values of inlet temperatures of the cool water in the respective heat source machines (2a), (2b); and the required outlet temperature of the cool water in the heat source system (1).

Classes IPC  ?

• F24H 15/212 - Température de l’eau
• F24H 15/238 - Débit

Abrégé

Provided is a air purge device that can effectively discharge air. The air purge device includes: an air purge pipe (71) connected to a condenser (12) and configured to extract a mixed gas containing a refrigerant gas and air from the condenser (12); a separation film (23b) provided to the air purge pipe (71) and configured to separate, by a pressure difference, air from the mixed gas extracted by the air purge pipe (71); an exhaust pipe (81) configured to externally guide a gas containing air separated by the separation film (23b); a first valve (24) provided to the exhaust pipe (81); a vacuum pump (27) provided downstream of the first valve (24) in the exhaust pipe (81) and configured to externally discharge a gas present inside the exhaust pipe (81); and a control unit (50), and the control unit (50) activates the vacuum pump (27), opens the first valve (24), and then closes the first valve (24) to stop permeation of air caused by a pressure difference when detecting that a predetermined amount of air has permeated the separation film (23b).

Classes IPC  ?

• F25B 43/04 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur pour l'évacuation des gaz non condensables

Abrégé

Provided is a reciprocating compressor that can avoid an excessive pressure rise due to liquid compression without burdening a suction valve and an ejection valve. This reciprocating compressor is provided with: a cylinder (120) in which a suction valve (124) and an ejection valve (123) are provided; a piston (131) that reciprocates inside the cylinder (120) and defines a compression room (A1) where a refrigerant is compressed with the cylinder (120); a suction room (A3) that is connected to the compression room (A1) via the suction valve (124) and takes in the refrigerant to be sucked by the compression room (A1); and a relief valve (125) that is provided in the cylinder (120), connects the compression room (A1) and the suction room (A3), and is opened when the pressure inside the compression room (A1) becomes a prescribed value or more.

Classes IPC  ?

• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04B 39/10 - Adaptation ou aménagement des organes de distribution

Abrégé

The purpose of the present invention is to improve insulating properties. This terminal unit (30) comprises: a plate-shaped base unit (40); a plate-shaped insulation unit (51) and a fitting insulation unit (52) that cover the plate surface of the base unit; a terminal (70) that extends in the Z axis direction, which is the direction intersecting the plate surface of the base unit (40), and penetrates the base unit (40) and the plate-shaped insulation unit (51); and an upper cylinder insulation unit (53) that extends along the Z axis direction from the plate-shaped insulation unit (51) and covers the side surface of the terminal (70). The plate-shaped insulation unit (51) and the upper cylinder insulation unit (53) are formed integrally.

Classes IPC  ?

• F04B 39/12 - Carcasses d'enveloppe; Cylindres; Culasses; Connexions des tubulures pour fluide
• F04B 37/18 - Pompes spécialement adaptées aux fluides compressibles et ayant des caractéristiques pertinentes non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes pour utilisation particulière pour fluides élastiques particuliers

Abrégé

Provided is a refrigerant detection device that enables safe replacement of a refrigerant sensor. A refrigerant detection device comprises: a refrigerant sensor; a power supply unit that supplies power to the refrigerant sensor; a switching unit that switches the electrical connection state between the power supply unit and the refrigerant sensor; an operation unit for operating the switching unit; and a power supply unit protective cover that covers the power supply unit. The operation unit is disposed so as to be operable without removing the power supply unit protective cover.

Classes IPC  ?

• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F24F 11/88 - Aspects électriques, p.ex. circuits
• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité

Abrégé

The purpose of the present invention is to improve the on-vehicle mountability, ease of assembly, and heating ability of a vehicle temperature control system that comprises a heating medium circuit.　This vehicle temperature control system comprises a refrigerant circuit and a heating medium circuit. The heating medium circuit includes a high-pressure-side heat exchanger, a low-pressure-side heat exchanger, an outdoor heat exchanger, an outdoor bypass path, a temperature controller, and a circuit switching device that includes a plurality of valves and is configured so as to be capable of switching the configuration of the heating medium circuit by switching a flow of the heating medium through use of the valves. The heating medium circuit is configured so as to be capable of setting a series circuit that includes the low-pressure-side heat exchanger and the high-pressure-side heat exchanger arranged in series. In the heating medium circuit, series circuits that correspond to switching states of each of the plurality of valves are set.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• B60K 1/04 - Agencement ou montage des ensembles de propulsion électriques des dispositifs d'emmagasinage de l'énergie électrique pour la propulsion
• B60K 11/04 - Disposition ou montage des radiateurs, volets de radiateurs ou écrans de radiateurs
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/615 - Chauffage ou maintien de la chaleur
• H01M 10/625 - Véhicules

Abrégé

This indoor unit for an air conditioning system comprises a temperature sensor that detects the temperature in a room, a relative humidity sensor that detects the relative humidity in the room, and a control device, wherein the control device includes: an information acquisition unit that acquires the temperature detected by the temperature sensor and the relative humidity detected by the relative humidity sensor; an operation control unit that controls the operation of the indoor unit on the basis of the acquired temperature and relative humidity; and a monitoring unit that, during a heating operation of the indoor unit, acquires the absolute humidity inside the room on the basis of the temperature and the relative humidity, and monitors the carbon dioxide concentration in the room on the basis of the acquired absolute humidity.

Classes IPC  ?

• F24F 11/63 - Traitement électronique
• F24F 110/10 - Température
• F24F 110/20 - Humidité
• F24F 110/70 - Dioxyde de carbone

Abrégé

This air conditioning system comprises one outdoor unit and a plurality of indoor units, wherein: the indoor units comprise a first indoor unit connected to the outdoor unit via first signal line, and a second indoor unit connected to the outdoor unit via a second signal line; the first indoor unit is provided with a wireless communication unit capable of receiving, by wireless communication, operation signals which are transmitted from an external communication terminal and which have the plurality of indoor units, respectively, as operation targets, and a signal forwarding unit which, if the operation signal received by the wireless communication unit is the operation signal having the second indoor unit as the operation target, forwards the operation signal to the outdoor unit via the first signal line; and the outdoor unit is provided with an outdoor unit signal forwarding unit which forwards the operation signal forward from the signal forwarding unit to the second indoor unit.

Classes IPC  ?

• F24F 11/54 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant une unité de commande centrale connectée à des sous-unités de commande
• F24F 11/58 - Commande à distance par internet
• F24F 11/88 - Aspects électriques, p.ex. circuits
• F24F 1/20 - Composants électriques pour éléments extérieurs séparés

Abrégé

This air conditioner comprises: a compressor that compresses a refrigerant containing a refrigerator oil; an outdoor heat exchanger that exchanges heat between the refrigerant discharged from the compressor and outside air; a first expansion valve and a second expansion valve that sequentially depressurize the refrigerant which has passed through the outdoor heat exchanger; and an indoor heat exchanger that exchanges heat between the refrigerant, which has passed through the expansion valves, and outside air, and that supplies the refrigerant to the compressor. The air conditioner further comprises a gas-liquid separation mechanism provided between the first expansion valve and the second expansion valve. The gas-liquid separation mechanism includes: a storage unit into which the refrigerant that has passed the first expansion valve is introduced; and a first recirculation unit that is capable of recovering a liquid phase from the bottom part of the storage unit and introducing the liquid phase into the compressor.

Classes IPC  ?

• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
• F25B 43/02 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur pour la séparation des lubrifiants du frigorigène
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible

Abrégé

This air conditioner comprises: a refrigeration cycle having an outdoor heat exchanger, an indoor heat exchanger, a compressor, and an expansion valve through each of which a refrigerant sequentially circulates; a first four-way valve that makes it possible to switch between a heating operation and a cooling operation by switching the circulation direction of the refrigerant; a liquid gas heat exchanger that exchanges heat between the refrigerant in a gas state on the low-pressure side of the refrigeration cycle and the refrigerant in a liquid state on the high-pressure side; and a second four-way valve that switches the flow of the refrigerant such that the gas refrigerant and the liquid refrigerant have opposite flows in the liquid gas heat exchanger in both the heating operation and the cooling operation, wherein the second four-way valve is disposed in a region in the refrigeration cycle where the refrigerant in the gas state on the low-pressure side circulates.

Classes IPC  ?

• F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
• F24F 1/0003 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale caractérisés par un agencement modulaire, c. à.d dans lesquels des parties du système de conditionnement d’air, p.ex. l'évaporateur et le condenseur, sont disposées dans des éléments séparés
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 41/26 - Disposition des soupapes, p.ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur

Abrégé

Provided is a method for continuing the operation of an electric compressor even if the magnitude of ripple voltage exceeds a predetermined threshold value. A control device of an electric compressor is provided with: a detection unit for detecting the ripple voltage of the electric compressor which is driven by a battery; a determination unit for determining whether or not the value of the ripple voltage is greater than or equal to a predetermined threshold value; and a control unit for reducing the rotation speed of a motor of the electric compressor down to a predetermined first target rotation speed greater than 0 when the value is greater than or equal to the threshold value.

Classes IPC  ?

• F04B 49/06 - Commande utilisant l'électricité
• F04B 49/02 - Commande d'arrêt, de démarrage, de décharge ou de ralenti
• F04B 49/10 - Autres mesures de sécurité
• H02P 23/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur spécialement adaptés pour amortir les oscillations des moteurs, p.ex. pour la réduction du pompage

Abrégé

A heat source system (3) supplies a heat medium to a user-side unit (2) and comprises: a plurality of heat source devices (5); and a controller (8) that controls the number of operating heat source devices and the operation capacity of the plurality of heat source devices (5) in accordance with a capacity required at the user-side unit (2), wherein the controller (8) collects information pertaining to defrost control of the heat source devices (5) and performs control to assign, to another heat source device (5), an operation capacity which is required of at least one heat source device (5) that performs the defrost control.

Classes IPC  ?

• F24F 11/42 - Dégivrage; Prévention du gel des éléments extérieurs

Abrégé

Provided are a heat source system, an air-conditioning system, a control method, and a program, with which it is possible to reduce a deficiency in the cooling/heating output when heat source machines are switched. The heat source system (3) supplies a heat medium to a usage-side unit (2), and comprises a plurality of heat source machines (5) and a controller (8) for controlling the plurality of heat source machines in accordance with a required capacity required by the usage-side unit. When switching occurs, in which a heat source machine being operated is switched, the controller provides a protected activation period for operating a newly activated first heat source machine (5b) at a fixed output, and stops a second heat source machine (5a) that is subject to switching after the protected activation period has elapsed.

Classes IPC  ?

• F24F 11/48 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance préalablement au fonctionnement normal, p.ex. préchauffage ou refroidissement préliminaire

Abrégé

This heat source system (3) supplies a heat medium to a use-side unit (2) and comprises: a plurality of heat source machines (5); and a controller (8) that controls the number of operating heat source machines (5) and the target capacity assigned to each heat source machine (5) in accordance with a required capacity required by the use-side unit (2). The controller (8) holds a maximum operating capacity and an appropriate operating capacity for each heat source machine (5), and when the target capacity assigned to a first heat source machine (5a) among the operating heat source machines (5) reaches the maximum operating capacity, the controller (8) starts a stopped second heat source (5b) and sets the target capacity of the first heat source machine (5a) to the appropriate operating capacity thereof.

Classes IPC  ?

• F24F 11/70 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes

Abrégé

The present invention relates to improvements to a system that comprises a heat medium circuit having a first circuit and a second circuit that can be divided, and that comprises a mechanism capable of handling changes in volume due to change in the temperature of the heat medium.　The heat medium circuit comprises: a high-pressure side heat exchanger; a low-pressure side heat exchanger; an outdoor heat exchanger; a temperature controller; a reserve tank configured such that the intake portion of each of a first pump and a second pump can be connected thereto; and a connection valve that places the first pump and the second pump in either, as a connection state thereof to the reserve tank, a one-connection state in which one is connected thereto, or a both-connection state in which both are connected thereto. The heat medium circuit is configured such that a first circuit including the low-pressure side heat exchanger and corresponding to the first pump, and a second circuit including the high-pressure side heat exchanger and corresponding to the second pump can be set in parallel, and is configured such that a series circuit including the low-pressure side heat exchanger and the high-pressure side heat exchanger disposed in series and corresponding to the first pump and the second pump can be set.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

Provided are a temperature control system and a temperature control method for a vehicle, with which it is possible to ensure heating capability even when securing a heat source is difficult due to low outside air temperature.　The temperature control system comprises a refrigerant circuit and a heat medium circuit. The heat medium circuit includes a high pressure-side heat exchanger, a low pressure-side heat exchanger, a pump, an outdoor heat exchanger, a temperature control device, and an outdoor bypass path. In a compressor heat source mode, in which a heat medium that has flowed out from the high pressure-side heat exchanger flows into the low pressure-side heat exchanger through the temperature control device and then passes through the outdoor bypass path and flows into the high pressure-side heat exchanger, a control device is configured to control the low pressure of the refrigerant circuit to be 0.2-1.2 MPa by adjusting the flow rate of the heat medium flowing through the low pressure-side heat exchanger.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

Provided are a vehicular temperature control system and a vehicular temperature control method that can ensure heating ability, even in situations where it is difficult to obtain a heat source due to low outside air temperature. 　The vehicular temperature control system comprises a refrigerant circuit and a heat medium circuit. The heat medium circuit is configured to be able to set, in parallel, a low pressure-side circuit that includes a low pressure-side heat exchanger and a high pressure-side circuit that includes a high pressure-side heat exchanger, and to be able to set a series circuit that includes a low pressure-side heat exchanger and a high pressure-side heat exchanger arranged in series. The temperature control system comprises, as an operation mode using the series circuit, a compressor heat source mode in which a heat medium flowing out from the high pressure-side heat exchanger flows in the low pressure-side heat exchanger via a temperature control device, and further flows in the high pressure-side heat exchanger through an outdoor bypass route.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

This turbo refrigerator comprises: a turbo compressor that compresses a refrigerant gas; a vane that is capable of adjusting the flow rate of the refrigerant gas sucked in by the turbo compressor; a condenser that causes, by means of heat exchange, the refrigerant gas compressed by the turbo compressor to release heat and therefore become condensed; an expansion valve that expands a liquid refrigerant guided from the condenser; an evaporator that causes, by means of heat exchange, the liquid refrigerant expanded by the expansion valve to absorb heat and therefore evaporate; and a refrigerator control device. The refrigerator control device comprises: an acquisition unit that acquires at least a state quantity of the refrigerant gas during startup of the turbo refrigerator; an opening degree determination unit that determines the opening degree of the vane on the basis of the acquired state quantity; and an opening degree control unit that controls the opening degree of the vane on the basis of the determined opening degree.

Classes IPC  ?

• F25B 1/053 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur rotatif du type à turbine
• F04D 27/00 - Commande, p.ex. régulation, des pompes, des installations ou des systèmes de pompage spécialement adaptés aux fluides compressibles

Abrégé

This air compressor comprises a casing, a compressor, and a support part that supports the compressor in relation to the casing. The support part has: a stud bolt that is fixed to the bottom surface of the casing and that extends axially upward; and anti-vibration rubber that supports the compressor and has a cylindrical inner peripheral surface surrounding the stud bolt and centered on the axis and an outer peripheral surface facing the outer peripheral side, the lower end of the inner peripheral surface being fixed to the stud bolt and the portion above the lower end of the inner peripheral surface accommodating the stud bolt in a gap. In the outer peripheral surface, an attachment recess in which the compressor is attached is formed by forming an annular shape centered on the axis and recessing the surface toward the inner peripheral side, and in a position overlapping the attachment recess in the axial direction on the inner peripheral surface, a tapered surface is formed which decreases in diameter from the bottom to the top.

Classes IPC  ?

• F16F 7/00 - Amortisseurs de vibrations; Amortisseurs de chocs
• F24F 1/12 - Prévention des vibrations ou du bruit dans les compresseurs
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F16F 15/04 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens élastiques

Abrégé

The present invention improves the defrosting operation of a vehicle temperature control system equipped with a heat medium circuit.　The heat medium circuit of the vehicle temperature control system comprises a high-pressure-side heat exchanger, a low-pressure-side heat exchanger, a low-pressure-side bypass path, an outdoor heat exchanger, an outdoor bypass path, and a temperature control apparatus. The temperature control system comprises: a heat pump mode in which a first circuit and a second circuit are formed; a compressor heat source mode in which a first continuous flow path is formed where a heat medium circulates through the high-pressure-side heat exchanger, the temperature control apparatus, the low-pressure-side heat exchanger, and the outdoor bypass path; and a stored heat-utilized defrosting mode in which a second continuous flow path is formed where the heat medium circulates through the high-pressure-side heat exchanger, the temperature control apparatus, at least one of the low-pressure-side heat exchanger and the low-pressure-side bypass path, and the outdoor heat exchanger. If switching information concerning the state of running or stopping of running of the vehicle falls under a predetermined switching condition, the operation mode is switched from the heat pump mode or the compressor heat source mode to the stored heat-utilized defrosting mode.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

Provided are a vehicular temperature regulation system and a vehicular temperature regulation method capable of suppressing power consumption.　The vehicular temperature regulation system comprises a refrigerant circuit and a heat medium circuit. The heat medium circuit includes a high-pressure-side heat exchanger, a low-pressure-side heat exchanger, a pump, an outdoor heat exchanger, and a temperature regulator. The temperature regulation system includes, as an operation mode, a compressor shutdown cooling mode in which a compressor is shut down and, in a state in which the pump is running, the temperature regulator is cooled by outdoor air via a heat medium circulating through the outdoor heat exchanger and the temperature regulator, and includes a control device configured to be capable of selecting the compressor shutdown cooling mode on the basis of a determination result made with reference to an outdoor temperature detected by an outdoor temperature sensor and a target temperature of the temperature regulator.

Classes IPC  ?

• H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p.ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/615 - Chauffage ou maintien de la chaleur
• H01M 10/625 - Véhicules
• H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
• H01M 10/663 - Relations d'échange de chaleur entre les éléments et d'autres systèmes, p.ex. chauffage central ou piles à combustibles le système étant un climatiseur ou un moteur

Abrégé

The purpose of the present invention is to guarantee the ability to heat even when it is difficult to secure a heat source due to a low outside temperature.　This vehicular temperature control system comprises a refrigerant circuit and a heat transfer medium circuit. The heat transfer medium circuit includes a high pressure side heat exchanger, a low pressure side heat exchanger, a pump, an outdoor heat exchanger, a temperature control mechanism, and an outdoor bypass route. The temperature control system comprises a power heat source mode in which the power of a compressor and the power of the pump are utilized as heat sources, where a heat transfer medium flowing out from the high pressure side heat exchanger flows into the low pressure side heat exchanger via the temperature control mechanism, passes through the outdoor bypass route, and then flows into the high pressure side heat exchanger. A control device is configured to be able to modify the rotational speed of the pump to at least a first rotational speed and a second rotational speed and, during the power heat source mode, to be able to set the pump to the second rotational speed which is greater than the first rotational speed at which the pump is set during other operational modes.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• B60H 1/32 - Dispositifs de refroidissement

Abrégé

Provided are a vehicle temperature control system and method which are capable of ensuring heating capacity even when the outdoor temperature is low, and capable of heating a thermal load via more appropriate mode switching.　This vehicle temperature control system is equipped with: a coolant circuit; a heating medium circuit; a heat pump mode in which a low-pressure-side circuit through which a heating medium circulates and a high-pressure-side circuit through which a heating medium circulates are formed; a compressor heat source mode in which a heating medium discharged from a high-pressure-side heat exchanger flows into a low-pressure-side heat exchanger via a temperature control device, passes through an outdoor bypass path, and flows into the high-pressure-side heat exchanger; and a mode selection unit. The mode selection unit is configured so as to select the heat pump mode when the detected outdoor temperature is higher than a switching outdoor temperature pertaining to the outdoor temperature/heating capacity properties intersection for each of the heat pump mode and the compressor heat source mode, and to select the compressor heat source mode when the outdoor temperature is lower than said switching outdoor temperature.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

Provided is a method for determining the generation source of ripple voltage when abnormal ripple voltage is detected. The control device is for an electric compressor, the control device comprising: a detection unit that detects ripple voltage; a judgment unit that judges whether the ripple voltage is abnormal based on the value of the ripple voltage; and a cause determination unit that determines whether the cause of the abnormality is the electric compressor or some other external device, based on the control result of the electric compressor.

Classes IPC  ?

• H02P 29/024 - Détection d’un défaut, p.ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge
• B60H 1/32 - Dispositifs de refroidissement

Abrégé

Provided is a method for detecting a ripple voltage. A control device is provided with: an acquiring unit which acquires the voltage value of an input voltage of a battery-driven electric compressor at irregular intervals; and a waveform computing unit which computes the waveform of a ripple component of the input voltage on the basis of the acquired voltage value.

Classes IPC  ?

• H02P 29/024 - Détection d’un défaut, p.ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge
• F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
• F04B 49/06 - Commande utilisant l'électricité
• F04B 49/10 - Autres mesures de sécurité

Abrégé

Provided is a vehicle air-conditioning device including: a compressor that compresses a refrigerant; a heating unit that heats an object to be heated by the refrigerant discharged from the compressor; an accumulator that separates liquid content in the refrigerant taken in by the compressor; a circulation flow path that guides the refrigerant that has passed through the heating unit to the accumulator; a bypass flow path that joins the refrigerant discharged from the compressor without passing through the heating unit at a first joining part (JP1) of the circulation flow path; a restrictor valve (40) that is disposed on the circulation flow path and that reduces the pressure of the refrigerant flowing out from the heating unit; and a restrictor valve that is disposed on the bypass flow path and that reduces the pressure of the refrigerant discharged from the compressor. The first joining part (JP1) is disposed: more to the accumulator side than the restrictor valve (40) of the circulation flow path; and in a first spray area (SA1) of the refrigerant by the restrictor valve (40).

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 41/45 - Agencements pour diviser ou combiner des flux, p.ex. embranchements ou jonctions pour la régulation de débit du côté amont du point de division, p.ex. avec une structure en spirale pour la génération de turbulences

Abrégé

Provided are an impeller and a blower capable of preventing a reduction in blowing efficiency and a reduction in heat exchange performance. The present invention comprises an annular side plate (32), a disc-shaped main plate (31), and a plurality of blades (40) disposed at predetermined intervals around an axis (X). The blade surface of each blade (40) has a blade thickness differing surface (43b), a main plate side surface (43a), and a side plate side surface (43c) in the blade width direction. The blade thickness differing surface (43b) differs in the angle of the blade surface with respect to the axis (X) in the blade width direction from the angles of the main plate side surface (43a) and the side plate side surface (43c) such that the blade thickness on the main plate (31) side relative to the blade thickness differing surface (43b) is larger than the blade thickness on the side plate (32) side relative to the blade thickness differing surface (43b).

Classes IPC  ?

• F04D 29/30 - Aubes

Produits et services

Heat pumps; air conditioning apparatus; heating installations; water heaters; hot water supply installations.

Abrégé

The present invention provides: a control device that can improve energy efficiency; a cut-off valve circuit device provided with the control device; an air-conditioning device provided with the control device; and a control method. This control device (40) is provided with: a power storage unit (27) that is charged by an external power source (22); and a control unit (21) that controls power supplied from the external power source or the power storage unit. If power is being supplied from the external power source and the amount of charge in the power storage unit is equal to or greater than a prescribed amount, the control unit uses the power charged in the power storage unit to control loads (EV, SV) connected to the outside.

Classes IPC  ?

• H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p.ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
• F24F 11/88 - Aspects électriques, p.ex. circuits
• F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

This light illumination unit comprises: a heat sink that has a plate-shaped heat sink body and fins protruding from a first main surface of the heat sink body; an electronic substrate that is laminated on a second main surface of the heat sink body on the reverse side thereof from the first main surface; and a light illumination element that is mounted on a first surface of the electronic substrate on the side thereof where the heat sink is provided. As a result of said configuration, it is possible to save space as well as power.

Classes IPC  ?

• B60H 3/00 - Autres dispositifs de traitement de l'air
• A61L 9/20 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques des radiations des ultraviolets

Abrégé

The purpose of the present invention is to suppress noise caused by contact between a depression and a ring. Provided is an electric compressor comprising: a housing that forms an outer shell; a fixed scroll that is housed in the housing and fixed on the housing side; a turning scroll that meshes with the fixed scroll and turns with respect to the fixed scroll; an autorotation inhibiting mechanism (30) that inhibits autorotation of the turning scroll; and a lubricant supply unit that supplies a lubricant to the autorotation inhibiting mechanism (30). The autorotation inhibiting mechanism (30) has: a ring hole (32) which is formed in the turning scroll; a ring (33) which is disposed in the ring hole (32), and the outer circumferential surface (33b) of which faces the inner circumferential surface 32a of the ring hole (32); and a pin (34) which is provided to the housing and which engages with the inner circumferential surface (33a) of the ring (33). A gap (G) formed between the inner circumferential surface (32a) of the ring hole (32) and the outer circumferential surface (33b) of the ring (33) is 0.1-0.6 mm.

Classes IPC  ?

• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
• F04C 29/02 - Lubrification; Séparation du lubrifiant

Abrégé

Provided is a method for narrowing down factors that are used in state evaluation. This factor selection device comprises: a data acquisition unit that acquires candidates for factors that are used in assessing an object; an evaluation unit that evaluates the magnitude of impact upon assessment with regard to each factor; and a factor selection unit that, on the basis of the result of evaluation from the evaluation unit, selects a factor having a high impact upon the assessment. The evaluation unit selects one unevaluated factor from among the candidates, performs an assessment excluding the factor, and evaluates the accuracy of the assessment. If there is a change in the accuracy of assessment, an evaluation process to evaluate the relevant factor as an impacting factor is repeatedly executed for each of the candidate factors, and the factor selection unit selects a remaining factor.

Classes IPC  ?

• G06F 18/2115 - Sélection du sous-ensemble de caractéristiques le plus significatif en évaluant différents sous-ensembles en fonction d'un critère d'optimisation, p.ex. la séparabilité des classes, la sélection en avant ou l’élimination en arrière

Abrégé

This control device controls an air conditioner so that a first deviation, which is a deviation of an indoor temperature with respect to a setting temperature, decreases, the air conditioner including a refrigerant circuit through which a refrigerant that has been compressed by a compressor is circulated between an indoor heat exchanger and an outdoor heat exchanger. The control device controls the maximum rotation speed of the compressor on the basis of a prescribed setting value. The control device comprises: a calculation unit for calculating a first time which is the time until the first deviation reaches no more than a first prescribed setting value; and a setting unit that sets a setting value on the basis of the first time period.

Classes IPC  ?

• F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
• F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
• F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération

Abrégé

Provided is a method that enables estimation of the flow rate of hot water supplied from a hot water supply system to a load. This flow rate estimation device estimates the flow rate of hot water supplied from a hot water supply system equipped with a heat source unit and a hot water tank that stores hot water created by the heat source unit. The flow rate estimation device comprises a flow rate estimation unit that: estimates the inflow rate of hot water into the hot water tank on the basis of a first temperature which is the temperature of water flowing into the heat source unit, a second temperature which is the temperature of hot water supplied from the heat source unit to the hot water tank, and the heating capacity of the heat source unit calculated on the basis of the first temperature, the second temperature, and an outside air temperature; and that estimates the flow rate of the hot water supplied from the hot water tank, on the basis of the inflow rate and a variation in the amount of hot water stored in the hot water tank.

Classes IPC  ?

• F24H 15/148 - Estimation de la consommation actuelle
• F24H 1/18 - Appareils de chauffage à accumulation d'eau
• F24H 15/215 - Température de l’eau avant chauffage
• F24H 15/219 - Température de l’eau après chauffage
• F24H 15/258 - Température extérieure

Abrégé

This condenser comprises: an introduction part having a suction port for suctioning a gas coolant emitted from a compressor, and a gas baffle plate through which the suctioned gas coolant can pass; a shell capable of housing the gas coolant that has passed through the gas baffle plate; and a check valve capable of opening and closing the suction port. The check valve has a valve body that overlaps the gas baffle plate when in an open state and covers the suction hole when in a closed state.

Classes IPC  ?

• F25B 39/04 - Condenseurs
• F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
• F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p.ex. aménagement des plaques de guidage
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement

Abrégé

Provided is an air conditioner that is capable of detecting an indoor temperature without operating a fan during thermostat OFF of a heating operation. This air conditioner includes: an indoor unit that includes a fan, an indoor heat exchanger, a first opening that takes in air, a second opening that discharges air, and a temperature sensor; and an outdoor unit. The first opening is provided downward from the center in the height direction of the indoor heat exchanger. The second opening is provided upward from the indoor heat exchanger. In order to satisfy a conditional expression including the various parameters of an air temperature of the first opening during heating operation, an air temperature of the second opening, a height difference between the center in the height direction of the indoor heat exchanger and the height direction of the second opening, and an area of the second opening, the aforementioned parameters are set so that a flow of air being taken in through the first opening and discharged from the second opening is generated even if the fan is stopped when the heating operation enters a thermostat OFF state in which the heat exchange by the indoor heat exchanger is unnecessary.

Classes IPC  ?

• F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
• F24F 1/0011 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par les sorties d’air

Abrégé

This rotary compressor comprises: a rotating axle that can rotate about an axis; a cylinder having formed therein a compression chamber that compresses a refrigerant as the rotating axle rotates; a bearing unit that is provided to the cylinder, and that can rotatably support the rotating axle; and an injection unit that is formed in the bearing unit, and that can supply the refrigerant into the compression chamber. The injection unit comprises: a port that allows a refrigerant supplied from the outside to flow therein; an intermediate pressure chamber which extends in the circumferential direction of the rotating axle, and into which the refrigerant is guided from the port; a check valve that is provided in the intermediate pressure chamber, and that prevents the refrigerant in the intermediate pressure chamber from flowing backwards to the port; and a plurality of injection openings that connect the intermediate pressure chamber and the compression chamber.

Classes IPC  ?

• F04C 29/04 - Chauffage; Refroidissement; Isolation thermique
• F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
• F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

This turbo compressor comprises: an impeller; a shaft part that causes the impeller to rotate; an electric motor that rotatably drives the shaft part; a casing that accommodates the electric motor; a magnetic bearing that supports the shaft part; a heat transfer plate of which one surface is attached to the outer surface of the casing; a magnetic bearing driving substrate that is in surface contact with the other surface of the heat transfer plate on the side opposite from the one surface; and a cooling unit to which a refrigerant is supplied from the outside, whereby the cold/heat of the supplied refrigerant is transmitted to the heat transfer plate.

Classes IPC  ?

• F04D 29/58 - Refroidissement; Chauffage; Réduction du transfert de chaleur
• F04D 29/058 - Paliers électromagnétiques

Abrégé

The purpose of the present invention is to simplify the work of attaching an ultraviolet irradiation part. A blower unit (10) comprises: a housing (11) that forms an outer shell; an internal air suction port (23) which is provided inside the housing (11) and suctions internal air into the housing (11); an external air suction port (24) which is provided to the housing (11) and suctions external air into the housing (11); an intake damper (29) which selectively closes the internal air suction port (23) or the external air suction port (24); a filter (31) which is provided inside the housing (11) and captures floating matter floating in the air suctioned into the housing (11); a first ultraviolet irradiation device (27) which irradiates the filter (31) with an ultraviolet ray; and an attachment part (26) which is fixed to the housing (11) and is provided so as to cover the internal air suction port (23), and to which the first ultraviolet irradiation device (27) is attached, wherein the first ultraviolet irradiation device (27) is provided so as to overlap the internal air suction port (23) when the internal air suction port (23) is viewed from above.

Classes IPC  ?

• B60H 3/06 - Filtrage
• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• F24F 8/108 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage utilisant des éléments filtrants secs
• F24F 8/22 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par stérilisation utilisant de la lumière ultraviolette

Abrégé

Provided is a vehicle air-conditioning device (100) comprising: a circulation channel that guides a refrigerant that has passed through a heating unit (20) towards an accumulator (30); a bypass channel that guides the refrigerant towards the accumulator (30) without passing through the heating unit (20); and a control unit (90) that controls the opening amount of a throttle valve (40) provided on the circulation channel and a throttle valve (50) provided on the bypass channel, wherein the control unit (90) controls the opening amount of the throttle valve (40) and the throttle valve (50) so that the proportion of gas refrigerant in inflow refrigerant flowing into the accumulator (30) is greater than the proportion of gas refrigerant in outflow refrigerant flowing out of the accumulator (30) when the pressure of the refrigerant drawn in by a compressor (10) is less than a predetermined pressure, and that the proportion of liquid refrigerant in the inflow refrigerant is greater than the proportion of liquid refrigerant in the outflow refrigerant when the pressure of the refrigerant drawn in by the compressor (10) is greater than the predetermined pressure.

Classes IPC  ?

• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 43/02 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur pour la séparation des lubrifiants du frigorigène

Abrégé

This refrigeration machine comprises a compressor that compresses a refrigerant, a condenser that condenses the refrigerant which has been compressed by the compressor, an expander that expands the refrigerant which has been condensed by the condenser, a liquid film type evaporator that evaporates the refrigerant which has been expanded by the expander, and an eductor that generates flow speed difference and pressure difference in the refrigerant which has been expanded by the expander and suctions refrigerant stored in the evaporator.

Classes IPC  ?

• F25B 39/00 - Evaporateurs; Condenseurs
• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
• F25B 41/385 - Dispositions avec plusieurs moyens de détente disposés en parallèle sur une conduite de réfrigérant menant au même évaporateur

Abrégé

Provided is a monitoring system that is capable of determining, with high precision and high reliability, events that occur in a monitored object. The monitoring system comprises a data acquisition unit that acquires a measured value that is measured by a sensor that is provided to the monitored object, an indicator calculation unit that calculates an abnormality degree indicator on the basis of the measured value and a predetermined unit space, and a first determination unit that determines that an abnormality is occurring in the monitored object when a state in which the abnormality degree indicator is equal to or more than a predetermined first threshold value continues in a continuous or intermittent manner for a predetermined first time period or longer.

Classes IPC  ?

• G05B 23/02 - Test ou contrôle électrique

Abrégé

Provided is an air conditioner with which a fan can be stopped during thermo-OFF in a space heating operation, and thermo-ON can be set at an appropriate timing. The air conditioner is a multi-type air conditioner which comprises an outdoor unit, a plurality of indoor units, and a control device, and which is connected to a temperature sensor provided in a room, wherein: when thermo-OFF is set, the fan is stopped, and a temperature measured by the temperature sensor in the room is stored; when the temperature measured by the temperature sensor in the room after the fan has been stopped drops by at least a prescribed temperature below the stored temperature, the operation of the fan is restarted; and when a prescribed time has elapsed since the operation of the fan was restarted, a determination as to whether to return from thermo-OFF to thermo-ON is made on the basis of a temperature measured by a temperature sensor of the indoor unit.

Classes IPC  ?

• F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
• F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération

Abrégé

This outdoor unit comprises: a reinforcing frame; a base plate placed on the reinforcing frame; a leg portion which is placed on the base plate and which supports a pressure vessel above the base plate; and a fixing portion for detachably fixing the leg portion to the reinforcing frame, with the base plate interposed therebetween, such that the reinforcing frame, the base plate and the leg portion overlap one another in a vertical direction.

Classes IPC  ?

• F24F 1/10 - Leur agencement ou leur montage
• F24F 1/46 - Agencements des composants dans les éléments extérieurs séparés
• F04B 41/00 - Installations ou systèmes de pompage spécialement adaptés aux fluides compressibles

Abrégé

This outdoor unit comprises a plurality of receivers for storing a liquid refrigerant portion of a refrigerant, a supply pipe which is connected to one of the plurality of receivers to supply the refrigerant to said one receiver, a communicating pipe providing communication between said one receiver and the remaining receivers, and a discharge pipe for discharging the liquid refrigerant from the receivers, wherein the discharge pipe includes a merging portion for causing the liquid refrigerant discharged from each receiver to merge, and a plurality of discharge-side connecting pipes connecting the merging portion and each receiver.

Classes IPC  ?

• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée

Abrégé

A vehicle air conditioning system includes a refrigerant circuit that circulates a refrigerant through a compressor, a heat-absorbing heat exchanger, a decompression unit, and a heat-dissipating heat exchanger, a heat medium circuit including a high-temperature heat medium circuit that circulates a high-temperature heat medium and a low-temperature heat medium circuit that circulates a low-temperature heat medium, a vehicle interior heat exchanger that exchanges heat between air and at least one of the high-temperature heat medium and the low-temperature heat medium, a vehicle exterior heat exchanger that exchanges heat between air and at least one of the high-temperature heat medium and the low-temperature heat medium, and a switching unit that switches respective flows of the high-temperature heat medium and the low-temperature heat medium in accordance with an operation mode of the vehicle air conditioning system.

Classes IPC  ?

• B60H 1/32 - Dispositifs de refroidissement

Abrégé

Provided is an outdoor unit 2 comprising a refrigerant device (20) including a compressor (4), an adjacent member disposed adjacent to the refrigerant device (20) and provided with a gap to the refrigerant device (20), a first vibration isolating member (100) disposed in a region from a lower end to an upper end in a height direction of the compressor (4) so as to cover the entire perimeter of the compressor (4), and a second vibration isolating member (200) disposed in at least a portion of a region from a lower end to an upper end in a height direction of the refrigerant device (20) so as to cover the entire perimeter of the first vibration isolating member (100), wherein: the first vibration isolating member (100) is disposed not in contact with the adjacent member; and the second vibration isolating member (200) is disposed in contact with both the first vibration isolating member (100) and the adjacent member in such a way as to fill the gap together with the first vibration isolating member (100).

Classes IPC  ?

• F24F 1/12 - Prévention des vibrations ou du bruit dans les compresseurs
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
• F24F 1/40 - Prévention des vibrations ou du bruit au niveau des éléments extérieurs
• G10K 11/16 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général

Abrégé

This rotary compressor is provided with a blade that abuts on an outer peripheral surface of a piston rotor and partitions the space of a compression room, and a pressure spring that presses a base end of the blade. A cylinder (60) is provided with a blade groove (66) for slidably holding the base end of the blade, a bridge part (70) that is provided on a rear end side of the blade groove (66) and forms an outer peripheral part of the cylinder (60), and a spring groove (72) that is formed in the bridge part (70) and accommodates the pressure spring. The spring groove (72) is formed to be oriented in a horizontal direction orthogonal to the axial direction of the cylinder (60). When the cylinder (60) is viewed in a longitudinal section including a spring groove central axis (CL2) of the spring groove (72), the blade groove (66), and the bridge part (70), remaining portions (70a) of the bridge part (70) that are positioned on both sides in the axial direction of the spring groove (72) have a dimension v in the horizontal direction and a dimension h in the axial direction, where v < h.

Classes IPC  ?

• F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
• F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes

Abrégé

Provided is a compressor capable of reducing vibration even when a compressor body is reduced in size. The compressor comprises a compressor body (10) having a compression unit (6) that compresses a refrigerant in a cylindrical housing (2), and a cylindrical accumulator (12) connected to a refrigerant intake side of the compressor body, wherein the relationship 3≤(m1/D1)/(m2/(D2)≤7 is satisfied, where m1 is the mass of the compressor body (10), m2 is the mass of the accumulator (12), D1 is the outer diameter of the compressor body (10), and D2 is the outer diameter of the accumulator (12).

Classes IPC  ?

• F04C 29/06 - Etouffement du bruit
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

A casing unit includes a first casing, and a second casing configured to be combined with the first casing from a first direction. The first casing includes a first casing main body and a protrusion. The second casing includes a second casing main body provided with an accommodating groove into which the protrusion is to be accommodated. Any one of the protrusion and the second casing main body is provided with a guiding part that relatively moves the first casing and the second casing in a second direction, in response to combining the first casing and the second casing. The second casing further includes an overlapping part that overlaps with the first casing main body in the first direction in a combined state, and that is elastically deformable in response to relative movement of the first casing and the second casing in the second direction.

Classes IPC  ?

• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation

Abrégé

Provided are an operation recording system, a vehicle, an operation recording method and an operation recording program which make it possible to perform an abnormality analysis of a highly accurate compressor. An operation recording system to be used in an electric compressor of a vehicle air-conditioning system equipped with an inverter circuit (50), said system being equipped with: an acquisition unit for acquiring, as abnormality reference information, at least one type of information from among temperature information at a prescribed position in the inverter circuit (50), voltage information at a prescribed position in the inverter circuit (50) and electric current information at a prescribed position in the inverter circuit (50); and a recording processing unit for recording the abnormality reference information and time information which can be associated with said abnormality reference information in a prescribed recording unit.

Classes IPC  ?

• F04B 49/10 - Autres mesures de sécurité
• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• B61D 27/00 - Chauffage, rafraîchissement, ventilation ou conditionnement d'air
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

This air conditioning device comprises an air conditioning device body that has an inlet, a filter part that is provided to the inlet and collects dust contained in air, and a cleaning device that removes the dust which has attached to the filter part. The cleaning device has a cleaning unit that is capable of reciprocating movement in a first direction along an outer surface of the filter part, and a radiating part that is attached to the cleaning unit and that radiates ultraviolet light in the direction of the outer surface of the filter part.

Classes IPC  ?

• F24F 1/0073 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs comportant des moyens de purification de l’air fourni caractérisés par le montage ou la disposition de filtres
• F24F 1/0071 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs comportant des moyens de purification de l’air fourni
• F24F 8/108 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage utilisant des éléments filtrants secs
• F24F 8/167 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage par des moyens chimiques utilisant des réactions catalytiques
• F24F 8/22 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par stérilisation utilisant de la lumière ultraviolette
• F24F 8/90 - Nettoyage des appareils de purification
• F24F 13/28 - Agencement ou montage de filtres

Abrégé

According to the present invention, a short-circuit fault and an open-circuit fault of a switch used in an inrush current suppression circuit are detected without using a voltage detector. A power conversion device (1) comprises a smoothing capacitor (21) that is connected to a DC bus of a DC power source unit (2), a resistor (22) that is for suppressing an inrush current that flows into the smoothing capacitor (21), and a switch (23) that is connected in parallel with the resistor (22). The power conversion device (1) further comprises: a current sensor (26) that is connected in series with the switch (23) and that detects a current flowing into the switch (23); a switch control unit that puts the switch (23) in an open state at a time of starting operation, and thereafter, closes the switch when a prescribed condition is met; and a fault detection unit that detects a fault of the switch on the basis of a detection value from the current sensor (26).

Classes IPC  ?

• H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande

Abrégé

Provided is a rotary compressor by which it is possible to reduce vibrations during driving. This rotary compressor comprises: a housing (2) having a cylindrical section (21) extending in the height direction along a central axis (CL2); a rotary compression unit (6) that is accommodated in the housing (2), that is fixed to the cylindrical section (21) by a plurality of welded sections (70) formed in the circumferential direction around the central axis (CL2), and that compresses a refrigerant; an electric motor that is accommodated in the housing (2), and that drives the rotary compression unit (6); and a plurality of legs (7) that are provided on an outer circumferential surface (21b) of the cylindrical section (21), and that are for fixing the housing (2) on a placement surface. The positions of the legs (7) correspond to the positions of the welded sections (70) in the circumferential direction.

Classes IPC  ?

• F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes

Abrégé

Provided is a rotary compressor wherein a rotary compression unit (6) has: a piston rotor; a cylinder that houses the piston rotor; an upper bearing (4A) and a lower bearing that are arranged so as to sandwich the cylinder therebetween and form a compression chamber (60A) that houses the piston rotor; and a discharge valve (64) that is attached to the upper bearing (4A) and opens and closes a discharge hole (4Aa) for discharging the refrigerant compressed in the compression chamber (60A). A facing surface (4Ab) of the upper bearing (4A), facing an electric motor, is formed with a recess (4Ad) that houses the discharge valve (64). A bottom (4Ad1) of the recess (4Ad) is formed with a discharge hole (4Aa) that penetrates therethrough along the axis of rotation. The recess (4Ad) is formed with a slope (4Ad2) where the height from the bottom (4Ad1) to the facing surface (4Ab) decreases as the distance from the discharge hole (4Aa) increases.

Classes IPC  ?

• F04C 18/356 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles possédant les caractéristiques couvertes par au moins deux des groupes , , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe externe
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

This heat exchanger is equipped with: a first heat exchange unit having a first inlet/outlet unit which has one inlet/outlet port and through which a coolant flows, and also having a plurality of first heat transfer pipes, each of which has one end thereof connected to the first inlet/outlet unit; a header pipe which is connected to the other ends of the plurality of first heat transfer pipes; and a second heat exchange unit having a second inlet/outlet unit which has two or more inlet/outlet ports and through which a coolant flows, and also having a plurality of second heat transfer pipes, each of which has one end thereof connected to the header pipe and the other end thereof connected to the second inlet/outlet unit. The coolant flows from the first heat exchange unit side toward the second heat exchange unit side during heating and flows from the second heat exchange unit side toward the first heat exchange unit side during cooling. In addition, the second heat exchange unit has a larger heat exchange surface area, which is the surface area across which heat exchange between the coolant and air occurs, than does the first heat exchange unit.

Classes IPC  ?

• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• F28F 9/02 - Boîtes de distribution; Plaques d'extrémité

Abrégé

This refrigerant detection device comprises a signal processing kit that is connected to a remote control communication line to which a DC power supply voltage is supplied from an indoor unit. The signal processing kit is provided with a remote control communication circuit that is capable of connection with the remote control communication line, a supply unit that is capable of supplying a sensor drive voltage based on the DC power supply voltage to a refrigerant sensor, and a processing unit that is capable of acquiring a refrigerant detection signal detected by the refrigerant sensor. The remote control communication circuit is capable of outputting a superimposed signal in which a pulse signal related to the refrigerant detection signal is superimposed on the DC power supply voltage, and is capable of bidirectional communication with the indoor unit via the remote control communication line.

Classes IPC  ?

• F24F 11/50 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication
• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F24F 11/56 - Commande à distance
• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

This scroll compressor comprises: a shaft that is capable of rotating about an axis; a motor that rotatably drives the shaft; a compressor body that is driven by the rotation of the shaft; a housing that covers the motor and the compressor body and that has a bottom surface facing the motor from the axial direction; an intake port that guides a refrigerant into the housing; and heat-dissipating fins that are formed on the bottom surface, that extend in the direction in which the refrigerant flows, and that are divided in the flow direction.

Classes IPC  ?

• F04C 29/04 - Chauffage; Refroidissement; Isolation thermique
• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise

Abrégé

Provided is a compressor capable of preventing a phenomenon of backflow of gas refrigerant from between a discharge valve in the closed state and an end plate. This compressor comprises: a fixed-side end plate (211) with a main port (213) formed to provide communication between a compression chamber in which refrigerant is compressed and a discharge chamber (C2) into which the compressed refrigerant is guided; and a leaf valve (610) for opening and closing a discharge opening (213a), located on the discharge chamber (C2) side of the main port (213). On a surface of the fixed-side end plate (211) on which the discharge opening (213a) is open, a groove (214) is formed around the discharge opening (213a). In a plan view of the fixed-side end plate (211), the groove (214) overlaps with a portion on a tip (611) side of the leaf valve (610) in the closed state.

Classes IPC  ?

• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04B 39/10 - Adaptation ou aménagement des organes de distribution
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

Provided is a compressor capable of preventing a phenomenon of backflow of gas refrigerant from between a discharge valve in the closed state and an end plate. This compressor comprises: a fixed-side end plate (211) with a main port (213) formed to provide communication between a compression chamber in which refrigerant is compressed and a discharge chamber (C2) into which the compressed refrigerant is guided; and a leaf valve (610) for opening and closing a discharge opening (213a), located on the discharge chamber (C2) side of the main port (213). On a surface of the fixed-side end plate (211) on which the discharge opening (213a) is open, a groove (214) is formed around the discharge opening (213a). In a plan view of the fixed-side end plate (211), the groove (214) overlaps with a portion on a tip (611) side of the leaf valve (610) in the closed state.

Classes IPC  ?

• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04B 39/10 - Adaptation ou aménagement des organes de distribution
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

This air conditioning device for a vehicle comprises: a refrigeration cycle having a compressor, a condenser, an expansion valve, and an evaporator through which refrigerant sequentially flows; a high-temperature heat medium circuit in which a high-temperature heat medium that has been heat-exchanged with the refrigerant in the condenser circulates; a low-temperature heat medium circuit in which a low-temperature heat medium that has been heat-exchanged with the refrigerant in the evaporator circulates; a connection line for connecting the high-temperature heat medium circuit and the low-temperature heat medium circuit; a plurality of heat exchangers outside the vehicle that allow introduction of the heat medium; and a switching unit capable of switching modes for each of the plurality of heat exchangers outside the vehicle, among a mode for connecting to the high-temperature heat medium circuit, a mode for connecting to the low-temperature heat medium circuit, and a mode for not connecting to either of the high-temperature heat medium circuit and the low-temperature heat medium circuit.

Classes IPC  ?

• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• B60H 1/32 - Dispositifs de refroidissement

Abrégé

This blower comprises: a motor having a motor shaft; a centrifugal fan that is connected to the motor shaft and that rotates about the axis of the motor shaft by receiving motor output; and a motor casing that has a cylindrical part which covers the motor from the axially opposite side to the centrifugal fan. On the outer side of the circumferential surface of the cylindrical part, the motor casing includes a flange-shaped rib that extends radially outwards of the axis.

Classes IPC  ?

• F04D 29/70 - Grilles d'aspiration; Filtres; Séparateurs de poussière; Nettoyage
• F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
• F04D 29/62 - Montage; Assemblage; Démontage des pompes radiales ou hélicocentrifuges

Abrégé

The objective of the present invention is to suppress vibration. This electric compressor comprises an electric motor, a compressor that is rotated by output from the electric motor, and a motor control device that controls drive of the electric motor. The motor control device comprises a control substrate (50) for controlling the electric compressor. The control substrate (50) is a multilayer substrate comprising a first layer (50a) mounted with an insulation IC (51) and a fourth layer (50c) mounted with an insulation transformer (52). The insulation IC (51) and insulation transformer (52) are mounted so that at least partially overlap in a planar view.

Classes IPC  ?

• H02P 29/00 - Dispositions pour la régulation ou la commande des moteurs électriques, adaptées à des moteurs à courant alternatif et à courant continu
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
• H02K 11/33 - Circuits d’entraînement, p.ex. circuits électroniques de puissance

Abrégé

This air conditioner comprises: an outdoor unit; an indoor unit; refrigerant piping that circulates a refrigerant between the outdoor unit and the indoor unit; a shutoff valve that is provided to the refrigerant piping and is capable of shutting off the circulation of the refrigerant; an upstream temperature sensor that is provided to the refrigerant piping on the upstream side of the shutoff valve and measures an upstream temperature representing the temperature of the refrigerant on the upstream side of the shutoff valve; a downstream temperature sensor that is provided to the refrigerant piping on the downstream side of the shutoff valve and measures a downstream temperature representing the temperature of the refrigerant on the downstream side of the shutoff valve; and a determination unit that determines whether the shutoff valve is open or closed on the basis of the upstream temperature and the downstream temperature measured at the same timing.

Classes IPC  ?

• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

Provided is a compressor including: a cylindrical motor case (110) that surrounds a compression mechanism (200) about the axis (X) thereof; a lower case (130) that blocks an opening (111) of the motor case (110) and that is mated with an inner circumferential surface of the motor case (110), thus defining a containment room (C1) into which a refrigerant is introduced between the lower case (130) and the motor case (110); a first O-ring (151) that is provided, around the axis (X), in a facing section where the fitted motor case (110) and lower case (130) face each other; and a second O-ring (152) that is provided, around the axis (X), in the facing section. The first O-ring (151) is provided at a position closer to a starting point of the facing section on the side of the containment room (C1) than the second O-ring (152) is. The first O-ring (151) has more excellent refrigerant resistance and/or oil resistance than the second O-ring (152). The second O-ring (152) has more excellent sealing properties than the first O-ring (151) at a temperature of -20°C or lower.

Classes IPC  ?

• F04C 27/00 - Systèmes d'étanchéité dans les pompes à piston rotatif spécialement adaptées pour les fluides compressibles
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes

Abrégé

The present invention comprises: a cylindrical motor case (110) that encircles an axis (X) of a compression mechanism (200); a lower case (130) that closes an opening (111) of the motor case (110) and fits against the inner peripheral surface of the motor case (110) to delimit an accommodation chamber (C1), into which refrigerant is introduced, in the space between the motor case (110) and the lower case (130); a first O-ring (151) that is provided around the axis (X) at a facing site where the motor case (110) and the lower case (130), which have been fit together, face each other in a planar manner; and a second O-ring (152) that is provided around the axis (X) at the facing site, wherein the first O-ring (151) is provided to a location closer to a start point, which is at the side of the facing site that is toward the accommodation chamber (C1), than the second O-ring (152) is, the first O-ring (151) has better refrigerant resistance and/or oil resistance than the second O-ring (152) does, and the second O-ring (152) has better sealing properties than the first O-ring (151) does at temperatures of -20 °C and below.

Classes IPC  ?

• F04C 27/00 - Systèmes d'étanchéité dans les pompes à piston rotatif spécialement adaptées pour les fluides compressibles
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes

Abrégé

This air conditioning system control device comprises an ozone exposure control unit for exposing an indoor heat exchanger to ozone generated by an ozone generator, and an operation control unit for controlling an operating mode of an indoor unit, wherein, in a state in which the indoor heat exchanger is damp, the damp indoor heat exchanger is exposed to ozone and is dried by exposing the indoor heat exchanger to the ozone generated by the ozone generator, operating the indoor unit in a space heating mode by means of the operation control unit, and heating the indoor heat exchanger to maintain the indoor heat exchanger at a temperature equal to or greater than an internal temperature of the indoor unit and less than 45°C.

Classes IPC  ?

• F24F 11/48 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance préalablement au fonctionnement normal, p.ex. préchauffage ou refroidissement préliminaire
• F24F 8/26 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par stérilisation utilisant des médiums stérilisants utilisant de l'ozone
• F24F 11/79 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande de la direction de l’air fourni
• F24F 11/83 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur
• F24F 140/20 - Température du fluide échangeur de chaleur

Abrégé

This air conditioning system (100) comprises: refrigerant piping (3) for channeling refrigerant between an outdoor unit (1) and a plurality of indoor units (2); detection devices (22) provided in air-conditioned areas respectively handled by the plurality of indoor units (2), the detection devices (22) each having a refrigerant sensor (220) for detecting leakage of the refrigerant into the corresponding air-conditioned area, and a relay (221) for closing a leakage notification circuit (25) if the refrigerant sensor (220) detects leakage of the refrigerant; and a cutoff valve device (4) having a cutoff valve (40) provided to the refrigerant piping (3), and a control unit (41) for closing the cutoff valve (40) when the leakage detection circuit (25) is closed, the control unit (41) being connected to the leakage detection circuit (25).

Classes IPC  ?

• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F24F 11/526 - Aménagements pour l’indication, p.ex. écrans émettant des signaux audibles
• F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

The purpose of the present invention is to effectively inactivate viruses and the like that adhere to particles in an irradiation area. This air purification apparatus comprises: an ultraviolet irradiation device (13) that irradiates, with ultraviolet light (U), a partial area of a cross-section of a duct (2) through which air containing particles (P) suspended therein flows in a specific direction, the cross-section being taken along a plane that intersects with the specific direction; a discharge electrode (11) that is provided upstream of the ultraviolet irradiation device (13) and charges the particles (P); and a dust collecting electrode (12) that is provided downstream of the discharge electrode (11) and guides the charged particles (P) so that the charged particles (P) move close to the area being irradiated with the ultraviolet light (U) by the ultraviolet irradiation device (13).

Classes IPC  ?

• A61L 9/16 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques
• A61L 9/20 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques des radiations des ultraviolets
• B03C 3/02 - Installations alimentées en électricité de l'extérieur
• B03C 3/155 - Installations alimentées en électricité de l'extérieur du type par voie sèche caractérisées par l'utilisation additionnelle d'effets mécaniques, p.ex. de la pesanteur de la filtration

Abrégé

Provided are a substrate structure and an electric compressor having the same, wherein a pattern having a heat-generating body mounted thereon is effectively used to enable acquisition of a temperature of the heat-generating body that is closer to a true value. The substrate structure comprises: a first layer substrate (110); a second layer substrate (120) layered over the first layer substrate (110); an electronic component (210) which is mounted on a first layer pattern (112) and on a second layer pattern (122); and a temperature sensor (220) which is mounted on the first layer substrate (110) in a position contactlessly adjacent to the electronic component (210), and which acquires the temperature of the electronic component (210). The second layer pattern (122) includes a second layer main-pattern portion (122a) which overlaps the electronic component (210) when viewed in plan, and on which the electronic component (210) is mounted, and a second layer extension-pattern portion (122b) which is formed so as to overlap the temperature sensor (220) when viewed in plan, and which is connected to the second layer main-pattern portion (122a).

Classes IPC  ?

• H05K 1/02 - Circuits imprimés - Détails
• G01K 1/16 - Dispositions particulières pour conduire la chaleur de l'objet à l'élément sensible
• H01L 23/58 - Dispositions électriques structurelles non prévues ailleurs pour dispositifs semi-conducteurs
• H05K 3/46 - Fabrication de circuits multi-couches

Abrégé

An estimation device includes an observation system constraint determination unit configured to determine data within constraints that is data within a first constraint based on time series data of each observation value of a first observation value observed by a first observation system and a second observation value observed by a second observation system, a model estimation unit configured to estimate parameters of a plurality of models including an observation model that is a model of each of the observation systems and a physical model that is a model within an apparatus provided with each of the observation systems based on the data within constraints, and a consistency determination unit configured to determine consistency of the models based on a deviation between a first predicted observation value predicted from the second observation system based on the estimated parameters and the first observation value.

Classes IPC  ?

• G05B 13/04 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs

Abrégé

This ceiling-embedded air conditioner comprises: a motor having an output shaft that is rotatable about the axis; a turbofan attached to the output shaft; a heat exchanger that surrounds the turbofan and through which air pumped by the turbofan passes; a drain pan provided below the heat exchanger and formed with a suction port opening about the axis; a main electrical box attached to the lower surface of the drain pan; and a refrigerant sensor that is attached to the drain pan and detects refrigerant in the air. The lower surface of the drain pan is formed with a first area where the main electrical box is located on one edge extending along a first dividing line perpendicular to the axis as viewed from the axial direction, and a second area located on the opposite side to the first area; the refrigerant sensor is provided in the second area.

Classes IPC  ?

• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
• F24F 13/20 - Enveloppes ou couvercles

Abrégé

An abnormality diagnosis device includes an abnormality determination unit configured to determine whether or not there is an abnormality with respect to a state quantity acquired from equipment and a cause estimation unit configured to estimate a cause of the abnormality in the equipment from a state quantity determined to be abnormal by the abnormality determination unit using a cause correspondence table in which a cause of an abnormal mode of the equipment identified in fault tree analysis is associated with the state quantity that is abnormal when the cause has occurred.

Classes IPC  ?

• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

A monitoring device includes: an operation record acquisition unit configured to acquire operation records indicating a transition in a load factor or a load change factor with respect to operation time leading up to failure in failure cases; a threshold setting unit configured to set a threshold to be contrasted with the load factor or the load change factor in the operation records of the failure cases; a wear rate acquisition unit configured to acquire a wear rate that is a value derived from a relation between the load factor or the load change factor and the threshold and indicates a degree of progress of wear of a device according to operation time; and a failure rate cumulative frequency acquisition unit configured to acquire a transition in a failure rate cumulative frequency of the failure cases with respect to the wear rate.

Classes IPC  ?

• G05B 23/02 - Test ou contrôle électrique

Abrégé

A vehicle cooling cycle unit which is interposed between a vehicle exterior heat exchanger and a vehicle interior heat exchanger, and carries out heat exchange between a secondary cooling medium flowing through the vehicle exterior heat exchanger and the secondary cooling medium flowing through the vehicle interior heat exchanger, said vehicle cooling cycle comprising: a cooling cycle which has a compressor, a condenser, an expansion valve, and an evaporator through which a primary cooling medium flows in order; an exterior flow path which allows the secondary cooling medium to circulate between the evaporator and the vehicle exterior heat exchanger; an interior flow path which allows the secondary cooling medium to circulate between the condenser and the vehicle interior heat exchanger; a pair of four-way valves which connect the exterior flow path and the interior flow path so as to be able to switch the flow state therebetween; a first bypass flow path which is installed along with the exterior flow path and bypasses the evaporator; and a first flow rate adjustment unit which adjusts the flow rate of the secondary cooling medium flowing into the evaporator.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

This vehicle refrigeration cycle unit is interposed between a vehicle-exterior heat exchanger and a vehicle-interior heat exchanger, and exchanges heat between secondary refrigerants flowing through each of the vehicle-exterior heat exchanger and the vehicle-interior heat exchanger. The vehicle refrigeration cycle unit comprises: a refrigeration cycle having a compressor, a condenser, an expansion valve, and an evaporator through which a primary refrigerant flows in sequence; an outdoor flow path through which the secondary refrigerants are circulated between the evaporator and the vehicle-exterior heat exchanger; an indoor flow path through which the secondary refrigerants are circulated between the condenser and the vehicle-interior heat exchanger; a pair of four-way valves that connect the outdoor flow path and the indoor flow path so as to be able to switch between flow states of the flow paths; a first bypass flow path that is installed alongside the outdoor flow path and bypasses the evaporator; and a first flow rate control unit that controls the flow rate of the secondary refrigerants flowing into the evaporator.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

This vehicular refrigeration cycle unit is interposed between a cabin exterior heat exchanger and a cabin interior heat exchanger and performs heat exchange between secondary refrigerant flowing through the cabin exterior heat exchanger and secondary refrigerant flowing through the cabin interior heat exchanger. The vehicular refrigeration cycle unit comprises: a refrigeration cycle having a compressor, a condenser, an expansion valve, and an evaporator through which a primary refrigerant sequentially flows; a cabin exterior flow path that causes the secondary refrigerant to circulate between the evaporator and the cabin exterior heat exchanger; a cabin interior flow path that causes the secondary refrigerant to circulate between the condenser and the vehicle interior heat exchanger; a pair of flow path switching valves that switchably connect the flow states of the cabin exterior path and the cabin interior path; a first bypass flow path that is installed to the cabin exterior flow path and bypasses the evaporator; and a first flow rate regulation unit that regulates the flow rate of the secondary refrigerant flowing into the evaporator.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

This vehicular refrigeration cycle unit is interposed between a vehicle exterior heat exchanger and a vehicle interior heat exchanger, and causes heat to be exchanged between secondary refrigerants flowing through each of the vehicle exterior heat exchanger and the vehicle interior heat exchanger, the vehicular refrigeration cycle unit comprising: a refrigeration cycle including a compressor, a condenser, an expansion valve, and an evaporator, through which a primary refrigerant flows sequentially; an outdoor flow passage allowing the secondary refrigerant to circulate between the evaporator and the vehicle exterior heat exchanger; an indoor flow passage allowing the secondary refrigerant to circulate between the condenser and the vehicle interior heat exchanger; a pair of flow passage switching valves connecting the outdoor flow passage and the indoor flow passage such that a flow-through state of the outdoor flow passage and the indoor flow passage can be switched; a first bypass flow passage provided in parallel with the outdoor flow passage to bypass the evaporator; and a first flow rate adjusting unit for adjusting a flow rate of the secondary refrigerant flowing into the evaporator.

Classes IPC  ?

• B60H 1/22 - Dispositifs de chauffage, de refroidissement ou de ventilation la chaleur étant prélevée autrement que de l'installation de propulsion

Abrégé

The present invention provides a control method, a vehicle, and a constant-temperature transport system capable of suppressing a reduction in heating performance. The constant-temperature transport system comprises: a compressor (21) that compresses a refrigerant; an exterior heat exchanger (24) connected to the downstream side of the compressor (21); an interior heat exchanger (29) connected to the downstream side of the exterior heat exchanger (24); a hot gas bypass pathway (33) that is connected to the discharge side of the compressor (21) and that supplies the refrigerant to the interior heat exchanger (29) by bypassing the external heat exchanger (24); an expansion valve (34) provided to the hot gas bypass pathway (33); a temperature detection unit (35) that detects the temperature of air affected by the interior heat exchanger (29); a pressure detection unit (36) that detects the pressure of the refrigerant on the outlet side of the interior heat exchanger (29); and a control unit that controls the expansion valve (34) such that, on the outlet side of the interior heat exchanger (29), the saturation temperature, which is dependent on the pressure, is lower than the temperature by a prescribed temperature.

Classes IPC  ?

• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur

Abrégé

The purpose of the present invention is to provide an abnormality detection system and refrigerator, an abnormality detection method, and an abnormality detection program which can improve the accuracy of abnormality detection. The abnormality detection system comprises: an acquisition unit which acquires driving data of a refrigerator (11); a creation unit which creates a model capable of estimating a prescribed driving state of the refrigerator (11) on the basis of the driving data, when the driving data is non-trained data; a determination unit which compares an estimation value of the driving state, the estimation value being estimated by the model, with an actual measurement value corresponding to the driving state, and determines whether the driving data is an outlier; and an abnormality detection unit which performs, on the basis of the model, abnormality detection on the refrigerator (11), when the driving data is not determined to be the outlier.

Classes IPC  ?

• G05B 23/02 - Test ou contrôle électrique
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

Provided are: a holding structure that is for an electrical component box and that is capable of firmly fixing the electrical component box in a state where the electrical component box is positioned, and is capable of allowing the electrical component box to rotate without using a special component; an outdoor unit; and a maintenance method. A first sheet metal part (31) has a locking tab (33) extending toward the front in the depth direction. An attachment sheet metal part (21) has an attachment notch (22) into which the locking tab (33) enters from the width direction of an outdoor unit. A second sheet metal part (41) has a second notch (42) into which the locking tab enters from the width direction. A first electrical component box takes a fixed position in which the locking tab (33) enters the attachment notch (22) and the second notch (42) so that the first electrical component box is fixed in a state of being adjacent to a side edge (22a) of the attachment notch, and a rotated position in which the locking tab (33) abuts a lower edge (22c) of the attachment notch (22). When the first electrical component box is in the fixed position, the first sheet metal part (31) is overlapped with, and makes a surface contact with the second sheet metal part (32).

Classes IPC  ?

• F24F 1/22 - Leur agencement ou leur montage
• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité

Abrégé

Provided is a scroll compressor (100) comprising: a motor (30) that causes an orbiting scroll (22) to rotate with respect to a fixed scroll (21); a rotating shaft (40) that is rotated around an axis (X) by the motor (30); a bearing (50) that supports the rotating shaft (40); and a housing (10). The housing (10) includes a partition wall (16) that partitions an internal space (IS) into a first space (IS1) in which the motor (30) is disposed and a second space (IS2) in which the bearing (50) and a compressor (20) are disposed. The partition wall (16) includes a first communication passage (16c) that guides a mixed refrigerant containing a lubricant and a refrigerant gas from the first space (IS1) to the region of the second space (IS2) where the bearing (50) is located, and a second communication passage (16d) that guides, to the compressor (20), the refrigerant gas which is contained in the mixed refrigerant that was guided to the region of the second space (IS2).

Classes IPC  ?

• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
• F04C 29/02 - Lubrification; Séparation du lubrifiant

Produits et services

Heat pumps; air conditioning apparatus; heating installations; water heaters; hot water supply installations.

Abrégé

188), wherein the refrigerant circulation circuit is filled with HFO-1336mzz (Z) as the refrigerant, a refrigerator oil supply unit (15) for supplying refrigerator oil to the compressor (11) is provided, the refrigerator oil supply unit (15) includes a storage unit (15a) in which the refrigerator oil is stored, the refrigerator oil includes an ester-based base oil having a kinematic viscosity at 40°C of 100 mm2/s to 180 mm2/s, and 0.1 mass% to 6 mass% of an epoxy-based acid scavenger with respect to the total mass of the refrigerator oil, and the mechanical design temperature is 130°C to 225°C.

Classes IPC  ?

• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• C10M 105/34 - Esters d'acides monocarboxyliques
• C10M 129/18 - Epoxydes
• C10N 30/08 - Résistance aux températures extrêmes
• C10N 40/30 - Lubrifiants pour machines frigorifiques

Abrégé

The purpose of the present invention is to reduce costs during processing and assembly. This compressor comprises: a housing 11 serving as an outer shell; a scroll compression mechanism 10 which has an orbiting scroll 13 performing an orbiting motion, and a fixed scroll 12 having an end plate 12a and a wall body 12b standing upright on one surface of the end plate 12a, and which is installed inside the housing 11 and compresses a refrigerant containing lubricating oil; a lid section 11b of the housing 11 which is in surface contact with the other surface 12aa of the end plate 12a; an oil separator 29 which separates lubricating oil from the refrigerant compressed by the scroll compression mechanism 10; and an oil storage chamber 24 which stores the lubricating oil separated by the oil separator 29. A lubricating oil groove through which the lubricating oil discharged from the oil storage chamber 24 circulates is formed in the other surface 12aa of the end plate 12a.

Classes IPC  ?

• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
• F04B 39/02 - Lubrification
• F04C 29/02 - Lubrification; Séparation du lubrifiant

Abrégé

A heat source system (3) supplies a heat medium to an AHU (2). The heat source system (3) comprises: a plurality of heat source units; and a system controller that controls, in accordance with a requested-capacity requested by the AHU, the number of the plurality of heat source units to run. If it is necessary to start a plurality of the heat source units in order to meet the requested-capacity requested by the AHU (2), the system controller causes the heat source units to start in stages, until the number of heat source units that were started reaches a necessary number of units determined on the basis of the requested capacity.

Classes IPC  ?

• F24F 11/83 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur

Abrégé

The present invention provides a shut-off unit that, with simple control and a simple configuration, reduces pressure loss of a coolant caused by a shut-off valve, makes it possible to draw a vacuum in an indoor unit even in a state where there is no power source yet at the installment site and the shut-off valve cannot be opened, and is capable of releasing the coolant to the outdoor unit. The present invention comprises: shut-off liquid coolant piping (Ps1) through which a liquid coolant flows; shut-off gas coolant piping (Ps2) through which a gas coolant flows; a liquid shut-off valve (131) which is provided to the shut-off liquid coolant piping (Ps1); a gas shut-off valve (132) which is provided to the shut-off gas coolant piping (Ps2); gas bypass piping (Ps4); and a gas check valve (134) which is provided to the gas bypass piping (Ps4), wherein the gas check valve (134) prevents the flow of coolant from an outdoor unit (110) to an indoor unit (120) and allows the flow of coolant from the indoor unit (120) to the outdoor unit (110).

Classes IPC  ?

• F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
• F24F 1/32 - Conduites réfrigérantes pour relier les éléments extérieurs séparés aux éléments intérieurs
• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

Provided are a sterilization system, an air conditioner, a sterilization method, and a sterilization program which make it possible to increase the life of a UV irradiation device and inhibit microorganisms in drain water. The sterilization system comprises an irradiation control unit that controls intermittent irradiation in which: irradiation is performed for an irradiation time that is not more than 22% of a reference time, said reference time being the time for which a prescribed sterilization rate is achieved when continuously irradiating drain water in a drain pan (3) of an air conditioner (1) with UV light from an LED (6); the irradiation is stopped for a prescribed pause time after the irradiation time; and irradiation is performed after the pause time.

Classes IPC  ?

• A61L 2/10 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contact; Accessoires à cet effet utilisant des phénomènes physiques des radiations des ultraviolets
• F24F 13/22 - Moyens pour éviter la condensation ou pour évacuer le condensat

Abrégé

The present invention is equipped with: a box-shaped container which can be installed in a vehicle body; a refrigeration cycle equipped with at least an indoor heat exchanger positioned inside the container and a motor compressor for compressing a coolant supplied to the indoor heat exchanger; a strong current-type apparatus which is equipped with a boost converter which boosts the DC low voltage supplied from a low voltage DC power source provided on the vehicle body side to a DC high voltage, and an inverter which is electrically connected to the boost converter and converts the DC high voltage into AC high voltage; a weak current-type apparatus which is driven by a lower voltage than is the strong current-type apparatus, and is provided with a controller for controlling inverter operation; a strong current-type storage box in which the strong current-type apparatus is stored; a low current-type storage box in which the low current-type apparatus is stored; and a box-shaped unit body which is installed on the upper section of the front surface of the container or on the top surface of the container, and in which the strong current-type storage box is stored.

Classes IPC  ?

• F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p.ex. réfrigérateurs ménagers
• F25D 29/00 - Disposition ou montage de l'appareillage de commande ou de sécurité
• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25D 23/06 - Parois

Abrégé

Provided is a compressor comprising a body (21) that accommodates an electric motor and a compression mechanism in a sealed space, a plurality of hermetic terminals (110, 120, 130) that are respectively inserted into a plurality of through holes formed in the body (21), and a connection mechanism (200) that electrically connects the hermetic terminals to a respective plurality of external cables (310, 320, 330), wherein: the hermetic terminal (110) has a plurality of conductive pins which are inserted into an insulation part and a plurality of straps which are respectively fixed to the plurality of pins at one end of the pins; the connection mechanism (200) has a terminal block (240), a plurality of linking cables (251-259), and a plurality of bus bars (210, 220, 230) which each have one of the external cables (310, 320, 330) respectively connected thereto; and each of the plurality of linking cables (251-259) is connected to one of the plurality of bus bars (210, 220).

Classes IPC  ?

• F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p.ex. façonnées pour former des boîtes à connexions ou à bornes

Abrégé

This compressor comprises: an oil level tank (60) that is provided adjacent to a housing (11) and measures the height of the surface of an oil in an oil reservoir; a pressure-equalizing pipe (62) that is connected at one end to an adjacent side surface (11a) of the housing (11) and connects the housing (11) and the oil level tank (60); and a lower pipe (61) that is connected at one end to the adjacent side surface (11a) and connects the housing (11) and the oil level tank (60). The pressure-equalizing pipe (62) has a housing-side pipe (81) that is connected to the housing (11), an oil level tank–side pipe (82) that is connected to the oil level tank (60), and a U-shaped U-pipe (83) that connects the housing-side pipe (81) and the oil level tank–side pipe (82). The U-pipe (83) is inserted into the housing-side pipe (81) and the oil level tank–side pipe (82) from above.

Classes IPC  ?

• F04B 39/02 - Lubrification
• F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• F04C 28/28 - Dispositions de sécurité; Surveillance
• F04C 29/02 - Lubrification; Séparation du lubrifiant

Abrégé

Provided is a compressor capable of reducing initial costs. This compressor comprises: a housing (11); a rotary shaft (15) which is accommodated in the housing (11) and rotates about an axis; a rotary compression mechanism which is connected to the lower end of the rotary shaft (15) and compresses and discharges a refrigerant; an electric motor (14) which has a rotor (38) fixed to the rotary shaft (15) and having a rotor passage (38a) that passes through the rotor in the direction of the axis and guides the refrigerant discharged from the rotary compression mechanism to an upper side, the electric motor causing the rotary shaft (15) provided at the axial center of the rotary shaft (15) to be rotated; a scroll compression mechanism which is connected to the upper end of the rotary shaft (15) and suctions and compresses the refrigerant discharged from the rotor passage (38a); and a tubular guide tube (43) which is provided above the rotary compression mechanism and guides the refrigerant discharged from the rotary compression mechanism to the rotor passage (38a). The guide tube (43) is disposed to overlap the rotor (38) when viewed in the axial direction.

Classes IPC  ?

• F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement
• F04B 39/12 - Carcasses d'enveloppe; Cylindres; Culasses; Connexions des tubulures pour fluide

Abrégé

Provided is a compressor capable of reducing the vibration of an oil return pipe. A compressor (1) comprises: a housing (11) containing a rotation shaft (15), a scroll compression mechanism (13), and an upper bearing (31), and having an oil reservoir (O1) underneath; and an oil return pipe (67) provided in the housing (11), and having one end fixed to the upper bearing (31) and another end extending toward the oil reservoir (O1) so that the oil held by the upper bearing (31) can return to the oil reservoir (O1). A plurality of the oil return pipes (67) are provided in parallel such that the longitudinal axes thereof are parallel to each other, and the plurality of oil return pipes (67) are bundled together.

Classes IPC  ?

• F04C 29/02 - Lubrification; Séparation du lubrifiant
• F04B 39/02 - Lubrification

Abrégé

A vehicle air conditioner includes: a refrigeration cycle in which a refrigerant circulates; a high-temperature cycle in which a first heat medium in liquid form heated by the refrigeration cycle circulates; a low-temperature cycle in which a second heat medium in liquid form cooled by the refrigeration cycle circulates; and a seat that is provided in a vehicle interior and has a warm flow passage and a cold flow passage disposed close to each other. The warm flow passage is provided on the route of the high-temperature cycle, and the cold flow passage is provided on the route of the low-temperature cycle.

Classes IPC  ?

• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• B60H 1/32 - Dispositifs de refroidissement

Abrégé

Provided is a compressor capable of introducing as little oil as possible to a higher-side compressing mechanism. A compressor (1) comprises: a rotary compressing mechanism (12) connected to a lower end of a rotation shaft (15), and which compresses and ejects a refrigerant into a housing (11); a scroll compressing mechanism (13) connected to an upper end of the rotation shaft (15), and which takes in and compresses the refrigerant ejected into the housing (11); and a cover (45) having, at a lower end thereof, an intake opening (45a) through which the refrigerant ejected from the scroll compressing mechanism (13) is taken in from around the rotation shaft (15), and partitioning a space inside the housing (11) so as to guide the refrigerant to an intake side of the scroll compressing mechanism (13). The intake opening (45a) of the cover (45) is provided inside an upper coil end (39b) of an electric motor (14) and below an upper end of the upper coil end (39b).

Classes IPC  ?

• F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
• F04C 29/02 - Lubrification; Séparation du lubrifiant
• F04B 39/02 - Lubrification

Abrégé

A blower unit of an air conditioner according to the present disclosure comprises: a motor; a shaft rotationally driven around an axis by the motor, and having an outer circumferential surface having a uniform outer diameter along the axial direction, and a recessed part indented radially inward from the outer circumferential surface; a cylindrical boss part fit on the outer circumferential surface of the shaft and provided to overlap the recessed part from radially outside; a connection part protruding from the boss part radially outside of the axial line; a fan having a cylindrical blade part connected to the radially outer side of the connection part and coaxial with the boss part; and a fastening member radially passing through the boss part and abutting on the bottom of the recessed part.

Classes IPC  ?

• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
• F24F 1/0022 - Ventilateurs centrifuges ou radiaux

Produits et services

Air-cooled heat pump chillers; air conditioning apparatus for industrial purposes; temperature control apparatus consisting of refrigerating machines and heat exchangers that circulate and supply constant-temperature water to air conditioners and industrial equipment; air conditioning apparatus; heat pumps for industrial purposes; freezing machines and apparatus for industrial purposes; freezing machines and apparatus.

Abrégé

A system according to the present invention comprises: a power source which generates a first low voltage from a supplied high voltage; a capacitor which suppresses fluctuations in the high voltage; and a first device which operates by using the first low voltage as an electric power source and which increases its own current consumption when supply of the high voltage to the power source has stopped.

Classes IPC  ?

• H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p.ex. batterie tampon
• H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p.ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs