The invention relates to network interface (1; 100) comprising a first network connector (3), a second network connector (4), and a connector-to-connector bypass unit (20). The bypass unit (20) comprises a monostable switching unit (30) for enabling a bypass connection between the first network connector (3) and the second network connector (4) in a stable state and for disabling the bypass connection in a non-stable state. In order to exhibit a high flexibility in use, the bypass unit (20) further comprises a bistable switching unit (40), wherein the bistable switching unit (40) breaks, in a breaking state, the bypass connection. The invention further relates to an automation controller module (200) with such a network interface (1; 100).
The invention relates to a system for electrically connecting two controller system modules (1) that are mounted side by side on a rail for holding controller system modules. The objective of the invention is to provide a system for connecting controller system modules (1) that is cost-effective, space-saving, and allows easy installation. This objective is solved by a system comprising a connector (3) comprising a connector housing, which is connectable to mounting portions (8,12) of the two controller system modules (1), thereby connecting the controller system modules electrically and mechanically.
The present invention relates to a mounting system for detachably fixing a top unit (7) onto a housing of an electronic controller module (2) mountable on a standardized equipment rail (1) for holding electronic controller modules (2,3,4). The problem to be solved is to provide a mounting system which is easy to handle. The above problem is solved by a mounting system, which comprises a mechanical engagement mechanism for pivotable mechanical engagement of the top unit (7) with the electronic controller module (2), and a magnetic retaining mechanism for releasably retaining the top unit (7) in a swiveled-in position.
A method for controlling a temperature influencing system (1) having a heat exchanger (2) connected to a supply pipe arrangement (3) and a fan (7) for generating an air stream (8) through the heat exchanger (2) is described, wherein a flow of a heat carrying fluid is guided through the heat exchanger (2) and a user can change the speed of the fan (7). Such a method should work with low energy consumption. To this end, when the user changes the speed of a fan (7) at the same time the flow of the heat carrying fluid through the heat exchanger (2) is adjusted to a size in which a temperature difference of the heat carrying fluid over the heat exchanger (2) is maintained at a predetermined value.
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 11/77 - 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 en commandant la vitesse de rotation des ventilateurs
F24F 11/84 - 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 au moyen de valves
5.
REFRIGERANT COMPRESSOR INCLUDING DIFFUSER WITH ONE OR MORE QUARTER WAVE TUBES
This disclosure relates to a refrigerant compressor including a diffuser with one or more quarter wave tubes. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
The present invention pertains to a stepper motor actuated active balancing valve for a refrigeration and/or air-conditioning application. The valve comprises a valve housing with an inlet orifice, an outlet orifice and a mounting portion, a main valve element with a main pressure balance orifice and a control element at least partially defining a pressure balance passage. Each element is slidable inside the valve housing and comprises a control surface for controlling a fluid flow between the inlet orifice and the outlet orifice and/or pressure propagation between the outlet orifice and the inside of the main valve element. The control element closes the main pressure balance orifice of the main valve element in a closed state of the valve.
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises: an inlet header pipe, which is used for a heat exchange medium to flow into the heat exchanger, and comprises a first inlet header pipe portion and a second inlet header pipe portion; and heat exchange medium inlet pipes, which are respectively arranged at mutually adjacent ends of the first inlet header pipe portion and the second inlet header pipe portion and are respectively in fluid communication with the first inlet header pipe portion and the second inlet header pipe portion, wherein each heat exchange medium inlet pipe has an inlet. Since the heat exchange medium enters the inlet header pipe from the middle of the inlet header pipe, the optimization of distribution of the heat exchange medium is facilitated, and the heat exchange efficiency is increased.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
The present invention relates to an ejector (1; 100), e.g. for a refrigerant circuit, with a primary inlet (2), a secondary inlet (7), an outlet (12), a nozzle (5), and a mixing portion (6, 10). The ejector (1; 100) comprises an actuating mechanism (30) moving a needle (20) between an opened position and a closed position. The actuation mechanism (30) comprises a piston (31) in a cylinder (35), wherein a first cylinder chamber (37) is in fluid communication with the primary inlet (2) and a second cylinder chamber (38) is in fluid communication with the first cylinder chamber (37). The second cylinder chamber (38) is in fluid communication with the secondary inlet (7) and/or the outlet (12) via a drain passage (39, 53, 54, 55, 56, 57) when a pilot valve (50) arranged in the drain passage (39, 53, 54, 55, 56, 57) is in an open state. For ensuring smooth opening and closing, the fluid communication of the second cylinder chamber (38) with the first cylinder chamber (37) is provided by an equalization passage (32), wherein a flow cross-section of the equalization passage (32) is larger than a flow cross-section of the drain passage (39, 53, 54, 55, 56, 57).
The invention relates to a valve (10) for regulating a flow between a first and a second port (16, 18). A valve housing (12) comprises a valve chamber (14) connected to the first and second ports (16, 18). A valve insert (26) inserted within the valve chamber (14) comprises a first cylinder (28) connected to a second cylinder (32) and a piston (34) movably arranged within the second cylinder (32). The piston (35) acts against a valve seat gasket (30). The first and said second cylinders (28, 32) are arranged axially aligned and connected by a releasable connection (44). The valve seat gasket (30) is arranged in a valve seat gasket chamber (62) formed between the first and second cylinders (28, 32) and providing a ring opening (80) for engagement of the valve seat gasket (30) with the piston (34).
F16K 1/10 - Dispositions particulières pour améliorer l'écoulement, p.ex. formes particulières des passages ou des chambres dans lesquelles la tige est inclinée par rapport à la direction générale de l'écoulement
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 27/02 - Structures des logements; Matériaux utilisés à cet effet des soupapes de levage
F16K 39/02 - Dispositifs pour relâcher la pression sur les faces d'un joint d'étanchéité dans le cas de soupapes de levage
F16K 3/24 - Robinets-vannes ou tiroirs, c. à d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation en forme de surfaces de solides de révolution avec corps de tiroir cylindrique
10.
A SCROLL COMPRESSOR INCLUDING A DISCHARGE CHECK VALVE ASSEMBLY WITH METAL-TO-METAL SEALING SURFACES
The scroll compressor comprising a compressor shell (2) having a discharge outlet (4), and a discharge check valve assembly (18) including a valve housing (21) arranged at the discharge outlet (4) and provided with a metal valve seat (24), and a valve member (26) movable between a closed position and an open position. The metal valve seat (24) has a frusto-conical or toroidal sealing surface (25) and the valve member (26) has a metal sealing surface (36) being configured to cooperate with the frusto-conical or toroidal sealing surface (25) when the valve member (26) is in the closed position, the metal valve seat (24) and the valve member (26) being configured to define a linear sealing contact between the metal sealing surface (36) of the valve member (26) and the frusto-conical or toroidal sealing surface (25) of the metal valve seat (24). The valve member (26) comprises a valve stem portion (33) and a valve head portion (35) connected to the valve stem portion (33). The valve stem portion (33) includes a stem end portion (41) which is remote from the valve head portion (35). The stem end portion (41) includes a tool fixing member (42) configured to allow temporary fixing of a tooling, adapted to displace the valve member (26) in the open position during assembly process of the scroll compressor (1), to the stem end portion (41).
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 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
A sealing structure, comprising a stuffing box (2) and a valve cover (3). The side wall of the stuffing box (2) is provided with an external thread (21) and a sealing groove (22) used for mounting a first sealing ring (4); the valve cover (3) is provided with a mounting hole; when the stuffing box (2) is mounted in the mounting hole of the valve cover (3), and the stuffing box (2) and the valve cover (3) are sealed by means of the first sealing ring (4), an axial length of a connection between the external thread (21) and the valve cover (3) is L1, and a distance between a connection position of a connecting hole section (301) and a sealing hole section (302) in the mounting hole and the lower end face of the sealing groove (22) is L2, wherein L1>L2. According to the sealing structure, the risk of hurting people due to the fact that the stuffing box (2) is ejected by the residual high pressure in the valve cover (3) can be avoided, and the stuffing box can be conveniently taken down from a shaft. Also disclosed is a valve comprising the sealing structure.
The present invention pertain to a housing assembly for use in a heat exchange system. The housing assembly comprises an aluminium housing with at least two fluid ports, wherein each fluid port is connected to a bi-metal connector, wherein the bi-metal connector comprises an inner copper layer and an outer stainless steel layer, and wherein the aluminium housing comprises connection portions for connecting the bi-metal connectors.
F16L 19/028 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé les colliers ou les brides formant partie intégrante des extrémités du tuyau les colliers ou les brides étant obtenus par déformation de la paroi des tuyaux
F16L 13/007 - Raccords de tuyaux non démontables, p.ex. raccords soudés, collés ou matés spécialement adaptés pour raccorder des tuyaux en matériaux différents
F16L 25/00 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises: an inlet header pipe for a heat exchange medium to flow into the heat exchanger, the inlet header pipe being provided with a single inlet; and an outlet header pipe for the heat exchange medium to flow out of the heat exchanger, the outlet header pipe being provided with a plurality of header pipe outlets respectively provided on two sides of the central position in a longitudinal direction of the outlet header pipe. According to the heat exchanger in the present invention, the header pipe outlets of the outlet header pipe are respectively provided on the two sides of the central position of the outlet header pipe, so that the pressure drop in heat exchange pipes of the whole heat exchanger is effectively balanced, the distribution of a refrigerant in the heat exchanger is improved, and the performance of the heat exchanger is improved.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
A refrigerant compressor includes a discharge portion and a muffler disposed at the discharge portion. The muffler includes an outer cylinder having a center axis, and a sleeve concentric with and radially inward of the outer cylinder relative to the center axis. The sleeve includes a plurality of radially extending through holes and provides a resonance cavity radially between the sleeve and the outer cylinder.
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
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
A refrigerant compressor includes a discharge portion, and a deswirler disposed at the discharge portion. The deswirler includes a hollow cylinder, which includes an inner diameter surface and a center axis. A plurality of vanes extend radially inward from the inner diameter surface toward the center axis.
Low permeation barrier- and veneer -style multilayer fuel and air conditioning hoses are provided comprising an HNBR rubber layer directly bonded to a polyamide layer. A low extraction, peroxide cured HNBR thermoset rubber formulation is provided that directly bonds to polyamide thermoplastic during the vulcanization step without the need of external glue adhesive application.
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 25/08 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 25/14 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant des copolymères dans lesquels les composants en caoutchouc prédominent
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a first cooling line configured to cool power electronics; a second cooling line configured to cool a motor of the compressor; a first valve operable to selectively restrict flow through the first cooling line, wherein the first valve is mounted to a baseplate; and a second valve operable to selectively restrict flow through the second cooling line, wherein the second valve is mounted to the baseplate.
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises a first heat exchanger core body. The first heat exchanger core body comprises a plurality of heat exchange tubes extending in a first direction, and a plurality of fins alternately arranged with the heat exchange tubes in a second direction. The fins comprise a plurality of fin units arranged in the first direction. The fin units comprise fin unit main bodies, and window-opening sheets connected to the fin unit main bodies, wherein the included angle between at least some of the window-opening sheets and a plane defined by the first direction and a third direction is less than or equal to 45 degrees, and the third direction is perpendicular to the first direction and the second direction. The heat exchanger according to the present invention has an enhanced water removal performance when used as an evaporator.
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p.ex. en serpentin ou en zigzag
F28F 1/34 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant obliquement
Disclosed in the present invention is an air conditioning system. The air conditioning system comprises an air conditioning subsystem, a phase change heat exchange subsystem, and a cross-system heat exchanger. The phase change heat exchange subsystem comprises a phase change material container, a phase change material accommodated in the phase change material container, and a heat exchange loop provided in the phase change material container. The cross-system heat exchanger comprises a first loop and a second loop. The first loop is connected to the air conditioning subsystem, so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop, and the second loop is connected to the heat exchange loop of the phase change heat exchange subsystem, so that a heat exchange medium in a loop consisting of the second loop and the heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material accommodated in the phase change material container. According to the present invention, the heat exchange efficiency of the air conditioning system is improved, thereby saving energy.
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 8/10 - 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
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
A method for controlling a vapour compression system (1) is disclosed, the vapour compression system (1) comprising a compressor unit (2), a heat rejecting heat exchanger (3), an expansion device (4) and an evaporator (5) arranged in a refrigerant path. A superheat value of refrigerant leaving the evaporator (5) is derived, and a quantity being representative for a variance of the derived superheat value is calculated. A reference superheat value is calculated, based on the calculated quantity and on a minimum acceptable superheat value, by adding the calculated quantity to the minimum acceptable superheat value. The expansion device (4) is operated in accordance with the calculated reference superheat value, and in order to obtain a superheat of refrigerant leaving the evaporator (5) which is equal to the reference superheat value.
Disclosed in the present invention is a plate heat exchanger. The plate heat exchanger comprises: a plurality of heat transfer plates; and heat exchange spaces which are formed between adjacent heat transfer plates among the plurality of heat transfer plates, wherein the heat exchange spaces comprise a plurality of first heat exchange spaces for a first heat transfer medium, a plurality of second heat exchange spaces for a second heat transfer medium, and a plurality of third heat exchange spaces for a third heat transfer medium, each of the plurality of first heat exchange spaces and the plurality of second heat exchange spaces is adjacent to one or two of the plurality of third heat exchange spaces in the overlapping direction of the heat transfer plates, and the number of the plurality of first heat exchange spaces is different from the number of the plurality of second heat exchange spaces. By using the plate heat exchanger according to the embodiments of the present invention, the heat transfer area for each loop can be optimized, so as to improve the heat exchange efficiency.
F28D 9/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés 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 formées par des plaques ou des laminés enroulés en spirale
F28F 3/08 - Eléments construits pour être empilés, p.ex. pouvant être séparés pour leur nettoyage
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing (2) with two fluid openings (21, 22), a spindle (3) fully penetrating the bonnet and reaching inside the housing, and a piston (4) with an upper guiding and sealing portion (42) with a seal section (49), a bottom closing portion (41) for opening and closing a fluid passage (23) between the two fluid openings, and a piston tube (43) between the upper guiding and sealing portion and the bottom closing portion. The outer diameter of the piston tube is smaller than the outer diameters of the upper guiding and sealing portion and the bottom closing portion. The spindle engages the piston for moving it between a closed position and an open position of the valve. Additionally, a pressure balancing chamber (40) is provided above and within the piston, said pressure balancing chamber being connected to the fluid passage via a pressure balancing passage (31), wherein the piston is supported by the spindle and the bonnet during at least some or all open positions of the valve, and wherein the piston is sealed against the bonnet at the upper guiding and sealing portion.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing with two fluid openings (21, 22), a spindle (3) and a piston (4) for opening and closing a fluid passage (23) between the two fluid openings. The spindle engages the piston for moving it between a closed position and an open position of the valve. A bottom closing portion (40) of the piston comprises an outer flange (46) and an inner flange (47) between which a sealing element (48) is provided, wherein the two flanges are connected to each other by means of at least one screw (49) and wherein a non-circular connector geometry (50) for connecting a tool is provided at the bottom side of the outer flange.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing (2) with two fluid openings (21, 22), a spindle (3) fully penetrating the bonnet and reaching inside the housing, and a piston (4) with an upper guiding and sealing portion (42) with a seal section, a bottom closing portion (41) for opening and closing a fluid passage (23) between the two fluid openings, and a piston tube (43) between the upper guiding and sealing portion and the bottom closing portion. The spindle engages the piston for moving it between a closed position and an open position of the valve and a pressure balancing chamber (40) is provided above and within the piston. The piston is sealed against the bonnet at the upper guiding and sealing portion. An inner surface (13) of the bonnet guiding the upper guiding and sealing portion and/or an outer surface of the piston has a smaller diameter at a bottom portion than at an upper portion.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The invention relates to a flow meter for fluids, the flow meter (10) comprising a central pipe (12) extending in a longitudinal direction (14) between a first pipe opening (16) and a second pipe opening (18), a first holding element (20) and a second holding element (22) being arranged in the central pipe (12), each holding element (20, 22) comprising at least one ultra-sound reflector (24, 26), the ultrasound reflectors (24, 26) being arranged such that an ultra-sound signal transmitted from a radial direction to at least one ultrasound reflector (24, 26) of the first holding element (20) is reflected towards at least one ultrasound reflector (24, 26) of the second holding element (22), and a first mounting element (30) and a second mounting element (32) for attaching the holding elements (20, 22) in the central pipe (12), at least one of the first and second mounting elements (30, 32) comprising at least one attachment section (44, 46) on two opposite sides for attaching the mounting element (30, 32) to the central pipe (12), wherein at least two grooves (38, 40) are arranged in the central pipe (12) on the first pipe opening (16) and/or the second pipe opening (18) and wherein the attachment sections (44, 46) of the two opposite sides of the mounting element (30, 32) are arranged in the grooves (38, 40) and at least one attachment section (44, 46) is locked in the longitudinal direction (14). The invention provides a flow meter (10) with an improved attachment of the holding elements to the central pipe.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasons; Circuits pour faire fonctionner les débitmètres à ultrasons
A housing for a refrigerant compressor may include a first portion made of a metallic material and surrounding moving parts of the refrigerant compressor. The housing may further include a second portion mounted to the first portion and surrounding non-moving, electronic parts of the refrigerant compressor. The second portion is made of a plastic material.
A method for operating a vapour compression system (1) is disclosed. A cut-in temperature, a high temperature alarm limit and a high temperature alarm delay time are set. A maximum acceptable relative decay value is derived, based on the high temperature alarm limit and the high temperature alarm delay time. The vapour compression system (1) is operated while monitoring a temperature inside a refrigerated volume and continuously deriving a weighted mean temperature prevailing inside the refrigerated volume, during a moving time window of a predefined length. In the case that the weighted mean temperature inside the refrigerated volume exceeds the cut-in temperature, a timer is started, and a delay time is derived, based on the weighted mean temperature and the maximum acceptable relative decay value. A warning is generated when the timer reaches the derived delay time.
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 49/00 - Disposition ou montage des dispositifs de commande ou de sécurité
F25D 29/00 - Disposition ou montage de l'appareillage 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
29.
ROTOR TUBE ASSEMBLY FOR A FLUID VALVE ACTUATOR AND METHOD FOR ASSEMBLING A ROTOR TUBE ASSEMBLY
The present invention pertains to a rotor tube assembly for a fluid valve actuator. The rotor tube assembly comprises a bearing housing assembly, a lead screw with a bottom shoulder, a rotor sleeve assembly with a non-block assembly, a bushing and a rotor tube. The lead screw is provided at least partially inside the bearing housing assembly, the rotor sleeve assembly, the bushing and the rotor tube. The bottom shoulder abuts the bearing housing assembly and the lead screw comprises a bottom threaded portion on one side of the bottom shoulder and on the other side of the bottom shoulder and in this given order a bottom coupling portion for coupling the bearing housing assembly to the lead screw, a central coupling portion for coupling the rotor sleeve assembly to the lead screw, and an upper coupling portion for coupling the bushing to the lead screw. The bottom shoulder has a larger outer diameter than the coupling portions, the bottom coupling portion has a larger outer diameter than or the same diameter as the central coupling portion and the upper coupling portion has a smaller diameter than or the same diameter as the bottom coupling portion and the central coupling portion. The invention is also directed at a method for assembling a rotor tube assembly.
F16K 31/04 - Moyens de fonctionnement; Dispositifs de retour à la position de repos magnétiques utilisant un moteur
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
F16K 1/54 - Dispositifs pour modifier la façon dont le débit varie pendant le fonctionnement de la soupape
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
F16K 27/02 - Structures des logements; Matériaux utilisés à cet effet des soupapes de levage
The invention relates to pseudo-stationary angular position encoding device (1, 12, 20) that comprises at least a light source (2), a first polarisation device (4), a second polarisation device (5), and a light intensity detecting device (3). First and second polarisation device (4, 5) are arranged rotatably relative to each other. The pseudo-stationary angular position encoding device (1, 12, 20) is arranged in a way that light emanating from the light source (2) passes through the first and second polarisation device (4, 5) and illuminates the light intensity detecting device (3).
G01D 5/34 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c. à d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques
31.
HEAT EXCHANGE ASSEMBLY FOR HEAT EXCHANGER AND HEAT EXCHANGER
A heat exchange assembly (1) for a heat exchanger (100) and a heat exchanger (100) comprising the heat exchange assembly (1). The heat exchange assembly (1) comprises: a heat exchange tube (10) through which a heat transfer medium flows, the heat exchange tube (10) being plate-shaped and having a first surface (11) and a second surface (12) opposite to each other in the thickness direction of the heat exchange tube (10); and a plurality of fins (15) protruding from at least one of the first surface (11) and the second surface (12) of the heat exchange tube (10). The heat exchange assembly (1) is easy to manufacture, and the process for manufacturing the heat exchanger (100) is simple, so that the production cost can be reduced.
F28F 1/02 - Eléments tubulaires de section transversale non circulaire
F28F 1/16 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant longitudinalement les moyens faisant partie intégrante de l'élément, p.ex. formés par extrusion
Disclosed is a plate heat exchanger. The plate heat exchanger comprises a plurality of heat transfer plates, the plurality of heat transfer plates comprising: a first heat transfer plate, comprising protrusions protruding upward, the protrusions having a top; and a second heat transfer plate stacked on the first heat transfer plate, the second heat transfer plate comprising recesses recessed downward, the recesses having a bottom. The tops of the protrusions have a concave portion which is sunken downward, and at least part of the bottoms of the recesses of the second heat transfer plate is disposed in the concave portion of the tops of the protrusions of the first heat transfer plate. It is thus possible to improve the weld quality of the heat exchanger.
F28F 3/02 - Eléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des évidements, avec des ondulations
33.
HEATING SYSTEM WITH AUTOMATIC DIFFERENTIAL PRESSURE SETTING
A method for balancing a heating system (1) is provided, the heating system (1) comprising a heat exchanging unit (2), a pressure regulation unit (3), a main flow controller (10a) and at least one heat consuming device (4), where heat exchange takes place in the heat exchanging unit (2) between a primary side fluid and a secondary side fluid, where secondary side fluid is supplied to the at least one heat consuming device (4), and where the pressure regulation unit (3) is arranged to control a differential pressure in a part of the heating system (1). A differential pressure is changed in a part of the heating system (1), by means of the pressure regulation unit (3), until a flow rate corresponding to a nominal flow rate is obtained in the part of the heating system (1). The differential pressure which results in the nominal flow rate is selected as a differential pressure setting for the pressure regulation unit (3).
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises a cooling plate (2) and an electrolyte plate (3a, 3c) defining an electrolyte flow path (6a, 6c) between them. The electrolyte plate (3a, 3c) is formed with at least one electrolyte fluid inlet (8in, 9in) at a first end section and at least one gas outlet (8out, 9out) at a second, opposite end section and defines an active area between the first end section and the second end section. At least one of the at least one gas outlet (8out, 9out) is partly surrounded by an outlet blockade (28) with an opening (29) formed therein, allowing gas only to leave the second end section towards the at least one gas outlet (8out, 9out) via the opening (29) in the outlet blockade (28).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
35.
CASSETTE FOR ELECTROLYZER WITH POROUS ELECTROLYTE PLATE
An electrolyte plate (3a, 3c) for an electrolyzer cassette (1), the electrolyzer cassette (1) further comprising at least one cooling plate (2), is disclosed. The electrolyte plate (3a, 3c) is formed with at least one opening (7in, 7out) for a cooling fluid to pass the electrolyte plate (3a, 3c), at least one electrolyte fluid inlet (8in, 9in) for an electrolytic fluid to pass the electrolyte plate (3a, 3c), and at least one gas outlet (8out, 9out) for a gas to pass the electrolyte plate (3a, 3c). A porous area is formed between the at least one electrolyte fluid inlet (8in, 9in) and the at least one gas outlet (8out, 9out), the porous area being formed with openings (11) adapted to pass gas across the electrolyte plate (3a, 3c) between a membrane (4) to be positioned at the one side of the electrolyte plate (3a, 3c), and an electrolyte fluid path (6a, 6c) positioned at the other side of the electrolyte plate (3a, 3c).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
C25B 11/02 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme
C25B 11/03 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées
C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) and two electrolyte plates (3a, 3c), where the two cooling plates (2) contact each other (18) at one surface and form a cooling flow path (5) between them, and each cooling plate (2) contacts one of the electrolyte plates (3a, 3c) at the other, opposite surface and form electrolyte flow paths (6a, 6c) between the cooling plates (2) and the respective electrolyte plates (3a, 3c). The cassette (1) further comprises at least one contact column (19) establishing a connection between at least one of the cooling plates (2) and at least one of the electrolyte plates (3a, 3c).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
A hydraulic steering system (1) is described. The hydraulic steering system (1) comprises a steering motor (2) and a joystick (3) having a housing (4), a handle (5) mounted movably to the housing (4), a handle angle sensor (6) and return to center means (7) producing a restoring force on the handle (5), wherein the return to center means (7) produces a variable restoring force depending on an angle of the handle (5) and/or on a signal at an input (8) of the return to center means (7) for a parameter of a vehicle to be steered and the joystick (3) can be operated in a first mode, in which the operator operates the joystick to determine the direction into which the vehicle is steered and the return to center means (7) produce a restoring force on the handle (5) in a direction towards a neutral position of the handle (5). Such a system should help an operator to steer a vehicle in a safe manner. To this end the joystick (3) can be operated in a second mode, in which the vehicle can be steered by a GPS-System, wherein in the second mode the return to center means (7) move the handle (5) in a position corresponding to a steering angle of the steering motor (2).
B62D 5/09 - Direction assistée ou à relais de puissance à fluide, c. à d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par les moyens d'actionnement des valves
B62D 15/02 - Indicateurs de direction ou aides de direction
38.
HEATING NETWORK WITH HEATING AND COOLING APPLICABILITY
The present invention relates to a heating system (1) comprising main lines (2, 3) with a main supply line (2) adapted to feed thermal energy to heat transferring devices by a main heating or cooling fluid, and main return line (3) 5 adapted to return cooled or heated heating fluid, where a hot connection of a second part (8) of a thermal transfer unit (6) via a second main branch line (12) is connected to the main supply line (2) and a second part (8) cold connection via a first main branch line (11) to the main return line (3) and where a cold connection of a first part (7) of the thermal transfer unit (6) is connected 10 upstream and a hot connection of the first part (7) is connected downstream of the heat transferring devices and where in the thermal transfer unit (6) thermal energy is transferred from fluid flowing from the first part (7) hot connection to cold connection and is transferred to the fluid flowing from the cold connection to the hot connection in the second part (8).
F24D 11/00 - Systèmes de chauffage central utilisant la chaleur accumulée dans des matériaux accumulateurs
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24H 15/429 - Commande des appareils de chauffage de fluides caractérisée par le type des unités de commande utilisant un traitement électronique, p.ex. par ordinateur utilisant des données préenregistrées pour la sélection de modes de fonctionnement
39.
HEATING SYSTEM WITH OPTIMIZING FUNCTION FOR OPERATING PARAMETERS
222222, a simulation procedure is initiated, in which a parametrized model (210) of at least the heat exchanging unit (2) is provided (120), operational data is measured in the heating system (1) and provided to the parametrized model (210); an operating point where the heat exchanging unit (2) operates at steady state is estimated, by means of the parametrized model (210). - based on the provided measured operational data, at least one operating parameter for the controller which is defined by the estimated operating point is provided to the controller (5) and the heating system (1) is operated based on the provided at least one operating parameter.
A membrane assembly for an electrolyzer cassette (1) is provided. The membrane assembly comprises a membrane (4) and a gasket arrangement comprising a first gasket part (13) and a second gasket part (14). The membrane (4) is arranged between the first gasket part (13) and the second gasket part (14), and the gasket arrangement comprises a locking arrangement (15, 16) for fixating the first gasket part (13), the membrane (4) and the second gasket part (14) relative to each other. The invention further relates to an electrolyzer cassette (1) comprising such a membrane assembly and to a method for assembling such a membrane assembly.
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) contacting each other and forming a cooling flow path (5) between them, and two electrolyte plates (3a, 3c), each electrolyte plate (3a, 3c) contacting one of the cooling plates (2). At least a section of the cooling flow path (5) is split into cooling cells (17) each connecting to a cooling cell supply channel (20) via a cooling cell inlet (21) and to a cooling cell return channel (22) via a cooling cell outlet (23), forming a cooling flow path through each cooling cell (17) from the cooling cell inlet (21) to the cooling cell outlet (23). The cooling cells (17) are distributed across the cooling plates (2) along two directions.
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) and two electrolyte plates (3a, 3c), in the form of an anodic electrolyte plate (3a) and a cathodic electrolyte plate (3c). The two cooling plates (2) contact each other at one surface forming a cooling flow path (5) between them. Each of the cooling plates (2) contacts an electrolyte plate (3a, 3c) at the other, opposite surface and forming an anodic electrolyte flow path (6a) between one of the cooling plates (2) and the anodic electrolyte plate (3a) and a cathodic electrolyte flow path (6c) between the other cooling plate (2) and the cathodic electrolyte plate (3c). The electrolyte plates (3a, 3c) and cooling plates (2) are each formed with cooling openings (7in, 7out) for a cooling fluid to pass the plate (2, 3a, 3c), at least one anodic electrolyte fluid inlet (8in) for an anodic electrolytic fluid to pass the plate (2, 3a, 3c), at least one cathodic electrolyte fluid inlet (9in) for a cathodic electrolyte fluid to pass the plate (2, 3a, 3c), at least one anodic gas outlet (8out) for an anodic gas to pass the plate (2, 3a, 3c), and at least one cathodic gas outlet (9out) for a cathodic gas to pass the plate (2, 3a, 3c).
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises a cooling plate (2) and an electrolyte plate (3a, 3c) defining an electrolyte flow path (6a, 6c) between them. The electrolyte plate (3a, 3c) is formed with at least one electrolyte fluid inlet (8in, 9in) at a first end section and at least one gas outlet (8out, 9out) at a second, opposite end section and defines an active area between the first end section and the second end section. An inner gas barrier (26) is formed between the second end section with the at least one gas outlet (8out, 9out) and the active area, and the inner gas barrier (26) is formed with a drain (27).
The present invention relates to an insert element (200) for a pressure-controlled valve (100) with a flow path from a fluid inlet (101) to a fluid outlet (102), the flow path passing a valve chamber (116). The insert element (200) is formed with a housing contacting part (205) adapted to be positioned in relation to an opening (300) within the pressure-controlled valve (100), the housing contacting part (205) being formed with an insert inlet opening (210) adapted to be positioned as part of the flow path. The insert element (200) further comprises a flow diverting surface (215) positioned at a distance to the housing contacting part (205), the flow diverting surface (215) defining a main part extending at an angle relative to a direction of an output flow of fluid from the insert inlet opening (210).
G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p.ex. un diaphragme, un soufflet, une capsule
45.
HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME
Disclosed in the present invention are a heat exchanger and an air conditioning system having same. The heat exchanger comprises: a header pipe extending in a first direction, the header pipe having a first opening penetrating a pipe wall of the header pipe; a tubular member arranged side by side with the header pipe, the tubular member having a second opening penetrating a pipe wall of the tubular member; and a connecting pipe assembly, wherein the connecting pipe assembly comprises a connecting pipe, the connecting pipe extending in a second direction that intersects with the first direction and being provided with a first end portion and a second end portion which are opposite each other, and the connecting pipe assembly further comprises a first flange portion and a second flange portion which extend radially outwards from the first end portion and the second end portion, respectively. The surface of the first flange portion that faces the header pipe is connected to an outer surface of the pipe wall of the header pipe, and the surface of the second flange portion that faces the tubular member is connected to an outer surface of the pipe wall of the tubular member, so that the header pipe and the tubular member are in fluid communication by means of the first opening, the connecting pipe and the second opening. Therefore, the quality of the heat exchanger is improved, and the process difficulty is reduced.
Disclosed in the present invention are a heat exchanger assembly and an air conditioning system having the heat exchanger assembly. The heat exchanger assembly comprises: a first heat exchanger portion and a second heat exchanger portion; and a control valve, the control valve having an open position and a closed position, at the open position, the first heat exchanger portion being in fluid communication with the second heat exchanger portion by means of the control valve, and at the closed position, the first heat exchanger portion being in fluid isolation with the second heat exchanger portion by means of the control valve. By using the heat exchanger assembly of the present invention, performance of the air conditioning system can be improved.
Disclosed in the present invention are a heat exchange assembly and an air conditioning system having same. The heat exchange assembly comprises a heat exchanger and a water guide device. The heat exchanger comprises a first heat exchanger core and a second heat exchanger core. The first heat exchanger core comprises a plurality of first heat exchange tubes, the second heat exchanger core is located on one side of the first heat exchanger core in a thickness direction of the first heat exchanger core and comprises a plurality of second heat exchange tubes, and a lower edge of the second heat exchanger core is higher than a lower edge of the first heat exchanger core. The water guide device comprises a first water guide device, at least part of which is arranged below the second heat exchanger core for receiving and guiding condensed water from the second heat exchanger core. The heat exchange assembly and the air conditioning system according to the present invention reduce the risk of the condensed water being blown out of the heat exchanger core having a higher lower edge.
The present invention pertains to a four-way valve for a heat-pump arrangement. The valve comprises a housing with four fluid connection ports, a rotatable valve element for switching the connections between the fluid connection ports, an actuator for rotating the valve element and sensor components on a low pressure side and a high pressure side of the valve for measuring properties of the fluid inside the housing. The invention is also directed at a heat-pump arrangement comprising a corresponding four-way valve and a housing for a four-way valve.
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F16K 11/074 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture articulés à pivot à faces d'obturation planes
F16K 27/04 - Structures des logements; Matériaux utilisés à cet effet des tiroirs
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
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
49.
POWER ELECTRONICS COOLING LOOP FOR REFRIGERANT COMPRESSOR
A refrigerant system according to an example of this disclosure includes a main refrigerant loop in communication with a condenser, an evaporator, and a compressor. A heat exchanger is arranged to cool electronic components. The heat exchanger has a cooling line, which is configured to receive refrigerant from the main refrigerant loop and a heat sink in communication with air surrounding the electronic components.
H01L 23/34 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température
H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
F28F 1/12 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire
H01L 23/36 - Emploi de matériaux spécifiés ou mise en forme, en vue de faciliter le refroidissement ou le chauffage, p.ex. dissipateurs de chaleur
H01L 23/46 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation
H01L 23/467 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de gaz, p.ex. d'air
F28F 3/02 - Eléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des évidements, avec des ondulations
The present invention relates to an actuator (3) for regulating a valve (1) in a fluid system, wherein the actuator (3) is adapted to operate according to a characteristic curve (4) containing information correlating a valve opening with a flow through the valve (1) and to a flow rate measured by a flow measuring device (5), characterized in that, the regulation of the valve (1) is based on a modified characteristic curve (4M) that is based on a basic characteristic curve (4B) and the measured flow rate by the flow measuring device (5) compared to a design flow rate. The present invention further relates to the method of controlling the valve.
The present invention relates to an actuator (5) comprising a driving device (15) adapted to move a spindle (20) in first and second rotational directions (200), where the spindle (20) is connected to a nut (25) such that when the spindle (20) rotates the nut (25) is translocated in a third or fourth translational direction (210), where the movement of the nut (25) acts on a deformable part (30), such that the translocation of the nut (25) is reflected in a deformation of the deformable part (30). The deformable part (30) is deformed into a hollow (35) formed between the driving device (15) and the deformable part (30), and the spindle (20) reaches through the deformable part (30) and the hollow (35).
The present invention is directed at a thermal expansion valve for a residential refrigeration application, including a valve body with a high pressure inlet, a low pressure outlet, a first suction gas port and a second suction gas port. The valve further includes a superheat defining mechanism with a diaphragm, a pushpin and a charge.
F25B 41/335 - Soupapes de détente l’organe de soupape étant actionné par la pression du fluide, p.ex. par la pression du réfrigérant à travers des diaphragmes
53.
THERMAL EXPANSION VALVE FOR A HEAT EXCHANGER AND HEAT EXCHANGER WITH A THERMAL EXPANSION VALVE
The present invention pertains to a thermal expansion valve for a heat exchanger with at least one header. The valve includes a valve block and a superheat defining mechanism. The valve block includes a high pressure inlet, a low pressure outlet, a first suction gas port and a second suction gas port. A contact surface for coupling the valve to the header includes at least one cylindrical portion of the valve block. The invention is also directed at a heat exchanger with a corresponding thermal expansion valve.
F25B 41/335 - Soupapes de détente l’organe de soupape étant actionné par la pression du fluide, p.ex. par la pression du réfrigérant à travers des diaphragmes
A pilot controlled solenoid valve (1) is described comprising a housing (2) having an inlet (3) and an outlet (4), a valve seat (5) between inlet (3) and outlet (4), a valve element (6) cooperating with the valve seat (5), and a solenoid arrangement (7) having a coil (8) and a moveable armature (9), wherein the valve element (6) is arranged between an inlet chamber (11) connected to the inlet (3) and a pilot pressure chamber (12) and comprises a pilot channel (15) extending from the pilot pressure chamber (12) to the outlet (4), wherein the moveable armature (9) opens and closes an opening of the pilot channel (15) into the pilot pressure chamber (12) depending on magnetic forces produced by the coil (8). In such a valve noise should be kept small. To this end, pressure decreasing means are provided decreasing a pressure in the pilot pressure chamber (12) below a pressure downstream the valve seat (5) when the valve element (6) is lifted off from the valve seat (5) ), wherein the pressure decreasing means are driven by a flow of a fluid from the inlet (3) to the outlet (4) controlled by the valve and are in form of a flow restriction (17) in fluid connection with the pilot pressure chamber (12), wherein the flow restriction (17) is provided in addition to a flow restriction formed between valve element (6) and valve seat (5), wherein the flow restriction (17) comprises a protrusion (16) of the valve element (6) protruding into the valve seat (5) when the valve element (6) is lifted off the valve seat (5) and a ring gap between the protrusion (16) and an inner wall of the outlet (4) is smaller than a distance between valve element (6) and valve seat (5) in a fully open condition of the valve, so that the area through which the fluid controlled by the valve (1) can pass is the smallest one on the way from the inlet (3) to the outlet (4).
F16K 31/40 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide et dans lesquels il y a alimentation constante du moteur à fluide par le fluide provenant de la canalisation avec un organe actionné électriquement dans la décharge du moteur
55.
FOUR-WAY REVERSING VALVE FOR A HIGH CAPACITY REVERSIBLE HEAT PUMP COMPRESSOR
The present invention pertains to a four-way reversing valve for a high capacity reversible heat pump compressor. The valve comprises a housing with four ports, namely a discharge port, a suction port, an evaporator port and a condenser port. It further comprises a conically shaped rotor provided rotatably inside the housing for varying flow paths between the four ports, wherein a large diameter face of the rotor comprises two separated openings, wherein a first opening fluidly connects the large diameter face to a small diameter face of the rotor via a first fluid conduit and a second opening fluidly connects the large diameter face to a radially outer portion of the rotor via a second fluid conduit. The invention also pertains to a set comprising two or more four-way reversing valves.
Disclosed in the present invention are a heat exchanger and an air conditioning system having same. The heat exchanger comprises a first heat exchanger core and a second heat exchanger core, wherein the first heat exchanger core comprises a first heat exchange tube and a first fin, and the second heat exchanger core comprises a second heat exchange tube and a second fin. The included angle between the first heat exchanger core and the second heat exchanger core is α; the length of the first heat exchange tube is TL, and the refrigerant circulation area of the first heat exchange tube is S; the width of the first fin is FW, the density of the first fin is FP, and the height of the first fin is FH; the width of the first heat exchanger core is ML; the length of the second heat exchange tube is tl, and the refrigerant circulation area of the second heat exchange tube is s; the width of the second fin is fw, the density of the second fin is fp, and the height of the second fin is fh; and the width of the second heat exchanger core is ml, wherein 0.016 ≤ (TL × ML × FW × FP × FH × s × cosα)/(tl × ml × fw × fp × fh × S) ≤ 64. Therefore, the drainage performance of the heat exchanger is improved, and the water blowing problem of the heat exchanger is solved.
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p.ex. en serpentin ou en zigzag
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
A flow control valve, comprising: a valve body (21), wherein a valve seat portion (211) is provided in the valve body (21), and a valve port (112) is formed in the valve seat portion (211); and a valve core (12), wherein the valve core (12) can move in an axial direction to open or close the valve port (112), and the valve core (12) is internally provided with a pressure equalizing passage (121), which communicates the valve port (112) with a back pressure chamber (14). The valve core (12) is provided with a lower end portion (222), which is substantially cylindrical, and a tapered hole (223) is formed in the valve core (12), wherein the tapered hole (223) forms a part of the pressure equalizing passage (121); and the bottom end of the tapered hole (223) is located on a bottom plane (224) of the lower end portion (222), and the ratio of the diameter of the bottom end of the tapered hole (223) to the diameter of the lower end portion (222) is greater than 0.88. In the present application, the tapered hole (223) is provided in the valve core (12) of the flow control valve, wherein the tapered hole (223) forms a part of the pressure equalizing passage (121), and the bottom end of the tapered hole (223) is located on the bottom plane (224) of the lower end portion (222) of the valve core (12). By means of the configuration of the dimensions of the tapered hole (223), the pressure distributed at the lower portion of the valve core (12) is equalized, so as to balance fluid pressures at the back pressure chamber (14) and the valve port (112).
Provided is a flow control valve (1). The flow control valve (1) comprises: a valve body (2), which is provided with a valve hole (21), a guide hole (22) and a lateral hole (23) that are in communication with each other; and a valve core (3), which is located in the guide hole (22), and can move in an axial direction of the guide hole (22) to control the opening and closing of the valve hole (21), thereby allowing or blocking the flowing of a fluid between the valve hole (21) and the lateral hole (23). The lateral hole (23) is internally provided with a connecting portion (231) connected to the valve hole (21), and the connecting portion (231) has a borehole surface (232) bored around an axis of the valve hole (21). The valve body (2) of the flow control valve (1) is provided with the lateral hole (23) and the borehole surface (232) located in the lateral hole (23), and the borehole surface (232) is located at a joint between the lateral hole (23) and the valve hole (21) and is arranged around the axis of the valve hole (21). By means of the lateral bore (23) and the borehole surface (232), the valve core (3) of the flow control valve (1) has as little lateral force as possible when a fluid flows between the valve hole (21) and the lateral hole (23).
F16K 1/00 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation
F16K 21/00 - Obturateurs de distribution pour fluides
59.
PIPE CLAMP ASSEMBLY AND HEAT EXCHANGER HAVING SAME
Disclosed in the present invention are a pipe clamp assembly and a heat exchanger having same. The pipe clamp assembly comprises a first pipe clamp and a second pipe clamp. The first pipe clamp comprises a first mounting surface located on a first side of the first pipe clamp and a second mounting surface located on a second side of the first pipe clamp opposite the first side, and the second pipe clamp comprises a mounting surface facing the first pipe clamp, wherein the mounting surface of the second pipe clamp and the second mounting surface of the first pipe clamp are used for clamping a pipe between the mounting surface of the second pipe clamp and the second mounting surface of the first pipe clamp. By means of the pipe clamp assembly and the heat exchanger, the risk of scrapping caused due to spot welding breakdown of an inlet pipe and an outlet pipe and the risk of later failure caused due to spot welding damage of the inlet pipe and the outlet pipe are avoided, such that the pipe clamp assembly and the heat exchanger are easy to mount and easy to implement.
A refrigerant compressor and a method of operating said refrigerant compressor. The refrigerant compressor may comprise: a shrouded impeller including a passageway permitting refrigerant to flow from a location radially outside a shroud of the shrouded impeller to a location radially inside the shroud. The method may comprise: operating refrigerant compressor including a shrouded impeller such that the shrouded impeller rotates within a housing; and directing leakage flow between the shrouded impeller and the housing back into the shrouded impeller through a passageway extending radially through a shroud of the shrouded impeller.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 29/00 - POMPES À DÉPLACEMENT NON POSITIF - Parties constitutives, détails ou accessoires
F04D 29/40 - Carters d'enveloppe; Tubulures pour le fluide énergétique
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
F04D 29/68 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage en agissant sur les couches limites
61.
STEPPER MOTOR VALVE, COIL ASSEMBLY HOUSING, VALVE HOUSE ASSEMBLY AND VALVE BLOCK FOR THE STEPPER MOTOR VALVE
Coil assembly housing for housing the actuator of a stepper motor valve, comprising a snap feature for snap fitting the coil assembly housing to a valve house assembly, wherein the snap feature comprises at least one protrusion pointing radially inward of the coil assembly housing, wherein the protrusion is provided for interacting with a recess of the valve house assembly, and wherein the protrusion is held inside the recess by a wall of a valve block, into which the valve house assembly and the snap feature are insertable. Furthermore there is disclosed is a valve house assembly, a valve block and a stepper motor valve comprising said components.
An atomizing nozzle arrangement (1) comprising a housing (2, 3) having an inlet (23), a valve seat (6), a valve element (7) interacting with the valve seat (6), re-storing means (8) acting on the valve element (7), and an orifice (9) is provided. In such an atomizing nozzle arrangement dripping should be avoided. To this end the valve element (7) is fixed in a guidance element (12) which is guided in a bore (16) of the housing (2, 3).
A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) comprises a compressor unit (2) comprising at least one main compressor (3) and at least one receiver compressor (4), a heat rejecting heat exchanger (5), a receiver (7), an expansion device (8) and an evaporator (9) being arranged in a refrigerant path. The vapour compression system (1) further comprises a bypass valve (12) fluidly interconnecting the gaseous outlet (10) of the receiver (7) and the main compressor(s) (3). A first pressure setpoint for a pressure prevailing in the receiver (7) and a second pressure setpoint for the pressure prevailing in the receiver (7) are defined, the second pressure setpoint being higher than the first pressure setpoint. An opening degree of the bypass valve (12) is controlled in order to regulate the pressure prevailing in the receiver (7) in accordance with the first pressure setpoint, and in order to reach the first pressure setpoint, in the case that a load demand of the vapour compression system (1) exceeds a maximum capacity of the receiver compressor(s) (4). The opening degree of the bypass valve (12) is controlled in order to regulate the pressure prevailing in the receiver (7) in accordance with the second pressure setpoint, and in order to reach the second pressure setpoint, in the case that the receiver compressor(s) (4) is/are operating and the load demand of the vapour compression system (1) is below the maximum capacity of the receiver compressor(s) (4).
F25B 41/39 - Dispositions avec plusieurs moyens de détente disposés en série, c.-à-d. détente à plusieurs étages, sur une ligne de réfrigérant menant au même évaporateur
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
64.
A METHOD FOR CONTROLLING A VAPOUR COMPRESSION SYSTEM WITH A RECEIVER COMPRESSOR
A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) comprises a compressor unit (2) comprising at least one main compressor (3) and at least one receiver compressor (4), a heat rejecting heat exchanger (5), a receiver (7), an expansion device (8) and an evaporator (9) being arranged in a refrigerant path. The vapour compression system (1) further comprises a bypass valve (12) fluidly interconnecting the gaseous outlet (10) of the receiver (7) and the main compressor(s) (3). A pressure difference across the bypass valve (12) is measured or derived, and a mass flow rate of refrigerant through the bypass valve (12) is derived, based at least on the pressure difference across the bypass valve (12), and using a fluid model. A minimum mass flow rate of refrigerant required to operate the receiver compressor (4) is derived, based on a minimum displacement volume of the receiver compressor (4) and using a fluid model taking prevailing operating conditions into account. In the case that the derived mass flow rate of refrigerant through the bypass valve (12) exceeds the derived minimum mass flow rate of refrigerant required to operate the receiver compressor (4), the receiver compressor (4) is started and the bypass valve (12) is closed.
F25B 41/39 - Dispositions avec plusieurs moyens de détente disposés en série, c.-à-d. détente à plusieurs étages, sur une ligne de réfrigérant menant au même évaporateur
65.
TECHNIQUES FOR APPLYING BRAZING MATERIAL TO FORM A SHROUDED IMPELLER
In some aspects, the techniques described herein relate to a method of manufacturing a shrouded impeller, including: arranging a shell relative to an impeller, wherein the impeller includes a plurality of blades, wherein the shell includes a plurality of slots, and wherein the arranging step includes aligning each of the slots with a tip of a respective one of the blades of the impeller; applying brazing paste to each of the tips by using the slots to direct the brazing paste to the tips; arranging a shroud relative to the impeller; and joining the impeller and shroud using a brazing technique.
B23P 15/00 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe
B23P 15/04 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'aubes de turbine ou d'organes équivalents, en plusieurs pièces
F01D 5/04 - Organes de support des aubes, p.ex. rotors pour "machines" ou machines à flux radial
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 29/26 - Rotors spécialement adaptés aux fluides compressibles
F04D 29/32 - Rotors spécialement adaptés aux fluides compressibles pour pompes à flux axial
66.
ACTIVE BALANCING VALVE FOR A REFRIGERATION AND/OR AIR-CONDITIONING APPLICATION
The present invention pertains to an active balancing valve for a refrigeration and/or air-conditioning application. The valve comprises a valve housing (1) with an inlet orifice (11), an outlet orifice (12) and a mounting portion (13), a main valve element with a main pressure balance orifice and a control element at least partially defining a pressure balance passage. Each element is slidable inside the valve housing and comprises a control surface for controlling a fluid flow between the inlet orifice and the outlet orifice. The control element closes the main pressure balance orifice of the main valve element in a closed state of the valve.
F25B 41/325 - Soupapes de détente ayant plusieurs organes de soupape
F25B 41/34 - Soupapes de détente l’organe de soupape étant actionné par des moyens électriques, p.ex. par des actionneurs piézo-électriques
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 6/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits de condenseurs disposés en parallèle
Disclosed in the present invention are a collecting tube assembly and a heat exchanger. The collecting tube assembly comprises a collecting tube and a connecting tube assembly. The connecting pipe assembly comprises an adapter and a steering member. The adapter comprises: a tubular part located outside the collecting tube; and a step part protruding inward from the inner surface of the tubular part at the end portion of the tubular part facing the collecting tube. The steering member comprises: an end wall, a connecting wall extending from the end wall along a direction intersecting the axial direction of the collecting tube, and a step part protruding outward from the connecting wall at the end portion of the connecting wall away from the end wall. The steering member is inserted into a through hole of the collecting tube by means of an inner hole of the adapter; the side of the step part of the steering member facing the end wall abuts against the step part of the adapter; and the part of the connecting wall inserted into the collecting tube is provided with openings that penetrate through the connecting wall. According to the collecting tube assembly of the present invention, direct impact of a fluid from an inlet on a flat tube is avoided, and the manufacturing and assembly processes are simple and the costs are low.
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
Disclosed is a heat exchanger. The heat exchanger comprises: a collecting pipe that comprises a collecting pipe wall; and a plurality of flat pipes. The plurality of flat pipes comprise two groups of first flat pipes, which are positioned on the outermost side in an axial direction of the collecting pipe, and a second flat pipe, which is positioned between the two groups of first flat pipes; and the collecting pipe comprises two first parts, which correspond to the two groups of first flat pipes in the axial direction of the collecting pipe, and a second part, which is positioned between the two first parts. The tensile strength of at least one group of first flat pipes from the two groups of first flat pipes in the axial direction of the collecting pipe is greater than the tensile strength of the second flat pipe in the axial direction of the collecting pipe and/or the tensile strength of at least one first part from the two first parts of the collecting pipe in the axial direction of the collecting pipe is greater than the tensile strength of the second part of the collecting pipe in the axial direction of the collecting pipe. By means of the heat exchanger in the present invention, the bursting strength of the heat exchanger can be improved.
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
F28F 1/02 - Eléments tubulaires de section transversale non circulaire
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28F 9/26 - Dispositions pour raccorder des sections différentes des éléments d'échangeurs de chaleur, p.ex. de radiateur
F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes
A multi-way valve (1) with a first valve housing (6) defining a first hollow (60) and including a first valve (5), a first fluid connection (10), a second fluid connection (11) and a third fluid connection (12), and where, - a first fluid passage is formed between the first fluid connection (10) and the third fluid connection (12), which passage can be closed by a valve body (15, 16), and - where a second fluid passage is formed between the second fluid connection (11) and the third fluid connection (12), which passage can be closed by a valve body (15, 16), and - an actuating element (30) that is moveable such that when the actuating element (30) is moved from the central position into the first direction, the valve body (15, 16) is moved by in closing direction relative to the first valve seat (25) and when the actuating element (30) is moved into the opposite second direction the valve body (15, 16) is moved in closing direction relative to the second valve sat (26), where the first valve (1) connected to a pressure regulating valve (300) such that the first fluid passage from respectively the first fluid connection (10) to the third fluid connection (12) passes a pressure regulator valve opening defined by a pressure regulator valve seat (340) and pressure regulator valve element (350).
A pressure regulating valve (300) defining a flow path (330) connecting a fluid inlet (320) and fluid outlet (12) and where a pressure regulator valve seat (340) and pressure regulator valve element (350) is positioned in said flow path together defining a pressure regulating valve opening, where the pressure regulator valve element (350) contacts respectively a first pressure chamber (301) at a first side and second pressure chamber (302) at a second side, where respectively a first pressure conduit (311) and a second pressure conduit (312) is in fluid communication with the second pressure chamber (302), and wherein the first pressure conduit (311) and a second pressure conduit (312) first and second valve bodies (15, 16) are positioned to close respectively the first pressure conduit (311) and a second pressure conduit (312).
G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p.ex. un diaphragme, un soufflet, une capsule
F16K 11/00 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides
Disclosed in the present invention are a heat exchanger and an air conditioning system, the heat exchanger comprising two sub-heat exchangers. Each of the two sub-heat exchangers comprises: two L-shaped collecting pipes, each collecting pipe comprising two straight segments and a bent segment between the two straight segments; and a heat exchange pipe extending between the two collecting pipes in a predetermined direction. The straight segments of the two collecting pipes of the two sub-heat exchangers located on one side of the heat exchange pipe respectively extend along four sides of a quadrangle, and the straight segments of the two collecting pipes of the two sub-heat exchangers located on the other side of the heat exchange pipe respectively extend along four sides of a quadrangle. By the heat exchanger and the air conditioning system according to the embodiments of the present invention, the reliability of the heat exchanger and the air conditioning system is improved.
F24F 1/0059 - 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 des échangeurs de chaleur
72.
MOTOR COOLING USING IMPINGEMENT JETS CREATED BY PERFORATED COOLING JACKET
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a cooling jacket including a plurality of perforations configured to cause refrigerant flowing through the perforations to form impingement jets and further configured to direct the impingement jets onto a surface adjacent a stator. The refrigerant compressor may be used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a diffuser including grooves configured to resist backflow of refrigerant. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
Disclosed in the present invention are a heat exchanger and an air conditioning system having same. The heat exchanger comprises: a first heat exchanger core comprising a first sub-heat exchanger core and a second sub-heat exchanger core, wherein the first sub-heat exchanger core and the second sub-heat exchanger core comprise heat exchange tubes, the heat exchange tubes of the first sub-heat exchanger core and the second sub-heat exchanger core are connected to each other, and orthographic projections of the first sub-heat exchanger core and the second sub-heat exchanger core on a plane where the second sub-heat exchanger core is located at least overlap partially; and a second heat exchanger core comprising a heat exchange tube, wherein the heat exchange tube of the second heat exchanger core is connected to the heat exchange tubes of the first sub-heat exchanger core and the second sub-heat exchanger core. At the same incoming wind speed, the ratio of the wind resistance of the heat exchanger to the air passing through the first heat exchanger core to the wind resistance of the heat exchanger to the air passing through the second heat exchanger core is less than a predetermined value. By using the heat exchanger according to the present invention, the performance of the heat exchanger can be improved.
A method for controlling a vapour compression system (1) is disclosed, the vapour compression system (1) comprising an ambient temperature sensor (8) arranged to measure an ambient temperature. A time period during which the ambient temperature sensor (8) is unexposed to solar heating is selected. During the selected time period, measurements of the ambient temperature are obtained by means of the ambient temperature sensor (8), and measurements of at least one further parameter related to the vapour compression system (1) are obtained, while operating the vapour compression system (1). Model parameters for a model of at least a part of the vapour compression system (1) are derived, based on the obtained measurements, the model providing correlation between the ambient temperature and the at least one further parameter. Subsequently, the vapour compression system (1) is operated based on measurements of the at least one further parameter and based on ambient temperatures derived by means of the model including the derived model parameters.
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F25B 9/00 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
Disclosed in the embodiments of the present application is a heat exchanger. The heat exchanger comprises: a header pipe, the header pipe comprising a first end part and second end part that are opposite to each other and an inner cavity; a plurality of heat exchange tubes, which are arranged along the axis direction of the header pipe, end parts of the plurality of heat exchange tubes being connected to the header pipe; and a connecting tube, which comprises a connecting part and a supply part connected to the connecting part and connected to the first end part of the header pipe, the supply part is configured so that the flow direction of a heat exchange medium supplied to a predetermined number of heat exchange tubes by means of the inner cavity of the header pipe is not parallel to the axis of the header pipe, and the predetermined number of heat exchange tubes is a predetermined number of heat exchange tubes counted from the first end part of the header pipe. By means of the heat exchanger according to the embodiment of the present invention, the performance of the heat exchanger may be improved.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
Disclosed are a header assembly for a heat exchanger, and a heat exchanger. The header assembly comprises: a header comprising a header wall, and an opening penetrating the header wall at an end of header wall or a recess in the header wall; an end cap provided at the end of the header wall to close the end of the header and provided with a hole, with the opening or the recess being on the side of the end face of the end cap facing the end of the header wall; a dispensing tube comprising a dispensing portion and a connecting portion, with the connecting portion extending from the dispensing portion, through the hole of the end cap, and out of the end cap; and a positioning member having a first end and a second end, with the first end of the positioning member being connected to the connecting portion of the dispensing tube, and the second end of the positioning member being engaged in the opening or the recess of the header wall of the header. With the header assembly and the heat exchanger according to the embodiments of the present invention, the quality of the heat exchanger can be improved.
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a floating ring seal having a nose configured to contact a housing. Further, a low friction coating including carbon nanotubes (CNTs) is applied to one or both of the nose and the housing. In another aspect of this disclosure, the floating ring seal has first and second noses configured to contact the housing, and the first nose is radially spaced-apart from the second nose.
F16J 15/34 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par bague glissante pressée contre la face plus ou moins radiale d'une des deux parties
79.
SYSTEM AND METHOD FOR COOLING POWER ELECTRONICS OF REFRIGERANT COMPRESSORS
This disclosure relates to refrigerant compressors, and, in particular, relates to cooling for the power electronics of such compressors. An example refrigerant system includes a main refrigerant loop in communication with a condenser, an evaporator, and a compressor. The refrigerant system further includes at least one cooling line configured to direct refrigerant from the main refrigerant loop to cool a chamber containing electronic components. A method is also disclosed.
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 5/04 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en série
F04B 39/06 - Refroidissement; Chauffage; Prévention du gel
H02P 1/28 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé par accroissement progressif de la tension appliquée au circuit primaire du moteur
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p.ex. façonnées pour former des boîtes à connexions ou à bornes
80.
A METHOD FOR MONITORING A REFRIGERANT CHARGE IN A VAPOUR COMPRESSION SYSTEM
A method for monitoring a refrigerant charge in a vapour compression system (1) is disclosed, the vapour compression system (1) comprising a compressor unit (2), a heat rejecting heat exchanger (3), a high pressure expansion device (4), a receiver (5), at least one expansion device (9, 10), and at least one evaporator (11, 12) arranged in a refrigerant path. A change in net mass flow into or out of the receiver (5) and/or a change in net enthalpy flow into or out of the receiver (5) is detected, and a pressure inside the receiver (5) is monitored as a function of time, following the detected change in net mass flow and/or in net enthalpy flow. A time constant being representative for dynamics of the receiver (5) is derived, based on the monitored pressure as a function of time, and information regarding a refrigerant charge in the vapour compression system (1) is derived, based on the derived time constant.
F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F25B 45/00 - Dispositions pour l'introduction ou l'évacuation du frigorigène
F25B 41/39 - Dispositions avec plusieurs moyens de détente disposés en série, c.-à-d. détente à plusieurs étages, sur une ligne de réfrigérant menant au même évaporateur
A plate heat exchanger according to an exemplary aspect of the present disclosure includes, among other things, a plate having a metal surface. The plate is arranged in a flow of fluid. A plurality of carbon nanotubes are arranged on the metal surface, and the carbon nanotubes are configured to exchange heat with the fluid.
F28F 21/02 - Structure des appareils échangeurs de chaleur caractérisée par l'emploi de matériaux spécifiés de carbone, p.ex. de graphite
B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p.ex. nanocomposites
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
An electric machine according to an exemplary aspect of the present disclosure includes, among other things, an electric machine including a rotor having a sleeve radially outside a permanent magnet. Further, the sleeve includes at least one magnetic arc segment and at least one non-magnetic arc segment.
A system of this disclosure includes an artificial intelligence module, which may include a neural network or a decision tree architecture, configured to analyze data indicative of the manner in which an operator performs tasks using a heavy machine. The artificial intelligence module is further configured to provide instructions pertaining to the control of at least some components of the heavy machine. As such, the heavy machine is operated in whole or in part based on the direction of the artificial intelligence module, which reduces reliance on a human operator. The artificial intelligence module is highly efficient, and in particular the artificial intelligence module is trained relatively quickly. Further, the artificial intelligence module may be embodied on the heavy machinery itself, as opposed to on a cloud-based system or on a more high-powered computer. Accordingly, the cost of implementing and operating the disclosed system is relatively low.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
G06F 17/00 - TRAITEMENT ÉLECTRIQUE DE DONNÉES NUMÉRIQUES Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des fonctions spécifiques
G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
84.
EXPANSION VALVE FOR A HEATING AND/OR COOLING APPLICATION
Expansion valve, in particular for a heating and/or cooling application, comprising a movable plug (1) and a valve seat, wherein the distance between the plug and the valve seat defines a valve opening. The valve comprises a seat portion (3) extending over a first axial distance of the a fluid conduit of the valve, a step portion (4) in which the cross section of the fluid conduit increases significantly over a short second axial distance and further comprises a sloped portion (5) in which the cross section increases gradually over a longer third axial distance than the step portion, wherein the first axial distance is smaller than the third axial distance. The variable valve opening defines and limits a fluid flow rate through the valve, thereby ensuring a desired pressure drop across the expansion valve.
F25B 41/35 - Soupapes de détente l’organe de soupape étant actionné par des moyens électriques, p.ex. par des actionneurs piézo-électriques par des moteurs rotatifs, p.ex. par des moteurs pas à pas
85.
AXIAL MAGNETIC BEARING FOR CENTRIFUGAL REFRIGERANT COMPRESSOR
This disclosure relates to an axial magnetic bearing for a centrifugal refrigerant compressor, and a corresponding system and method. A centrifugal refrigerant compressor system according to an exemplary aspect of the present disclosure includes, among other things, an impeller connected to a shaft, and a magnetic bearing system supporting the shaft. The magnetic bearing system includes an axial magnetic bearing, which itself includes a first permanent magnet configured to generate a first bias flux, a second permanent magnet axially spaced-apart from the first permanent magnet and configured to generate a second bias flux, and an electromagnet. The electromagnet includes a coil arranged radially outward of the first and second permanent magnets, and the electromagnet is configured to selectively generate either a first control flux or a second control flux to apply a force to the shaft in a first axial direction or second axial direction opposite the first axial direction, respectively.
Disclosed in an embodiment of the present invention is a plate heat exchanger. The plate heat exchanger comprises heat exchange plates and a port in communication with a predetermined heat exchange space of a plurality of heat exchange spaces. The heat exchange plates of the plate heat exchanger comprise a plurality of first heat exchange plates and a plurality of second heat exchange plates. The first heat exchange plate comprises a first heat exchange plate main body; a first opening formed in the first heat exchange plate main body for forming a port; and a first annular protrusion surrounding the first opening, which is adjacent to the first opening, and protruding from the first heat exchange plate main body toward a first side in a stacking direction. The second heat exchange plate comprises a second heat exchange plate main body; a second opening formed in the second heat exchange plate main body for forming a port; and a second annular protrusion surrounding the second opening, which is adjacent to the second opening, and protruding from the second heat exchange plate main body toward a second side opposite the first side in the stacking direction. The plate heat exchanger according to the embodiment of the present invention can, for example, simplify a manufacturing process of the plate heat exchanger.
A method for controlling a vapour compression system (1) comprising two or more evaporators (5, 12), each evaporator (5, 12) being arranged in thermal contact with a refrigerated volume, the refrigerated volumes storing goods of various types, and each evaporator (5, 12) receiving refrigerant via an expansion device (6, 13) is disclosed. In response to receipt of a load shedding command originating from a power grid (17), the vapour compression system (1) reduces a compressor capacity of the compressor unit. The refrigerated volumes are divided into at least two prioritized categories of refrigerated volumes, where a first category (18) includes refrigerated volumes storing goods of a temperature critical type, and a second category (19) includes refrigerated volumes storing goods of a temperature non-critical type. Refrigerant supply to the evaporator(s) (5, 12) being in thermal contact with the refrigerated volume(s) of the second category (19) is discontinued, and refrigerant supply to the evaporator(s) (5, 12) being in thermal contact with the refrigerated volume(s) of the first category (18) is continued. Thereby the vapour compression system (1) is capable of providing load shedding services for an extended period of time without compromising temperature critical storage.
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
An expansion valve (1) is described comprising a housing (2) having in inlet port (3) and an outlet port (4), a valve seat (5) arranged between the inlet port (3) and the outlet port (4), a valve element (6) movable over an operating stroke between a closed position at the valve seat (5) and an opened position away from the valve seat (5), and an actuator (7), wherein the actuator (7) comprises an electric rotary motor (8) acting on the valve element (5) by means of a threaded spindle (10) and a nut (9), wherein one of spindle (10) and nut (9) is rotatably driven by the motor (8) and the other one is rotatably fixed. Such an expansion valve should have the possibility for a simple assembly. To this end, in a disassembled condition of housing (2) and actuator (7) the actuator (7) has a mounting stroke which is at least two times the operating stroke, wherein the mounting stoke extends the operating stroke.
F25B 41/35 - Soupapes de détente l’organe de soupape étant actionné par des moyens électriques, p.ex. par des actionneurs piézo-électriques par des moteurs rotatifs, p.ex. par des moteurs pas à pas
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, an impeller configured to rotate about an axis, and a shroud. The impeller has a plurality of blades. The shroud is secured to the impeller with an adhesive at tips of the plurality of blades.
A compressor according to an exemplary aspect of the present disclosure includes, among other things, a mixed compression stage having both axial and radial components arranged along a main flow path, and a radial compression stage having an impeller with a plurality of vanes arranged in the main flow path downstream of the mixed compression stage. The impeller is configured to rotate about an axis and has an outlet downstream of the vanes. A movable diffuser is arranged at the outlet, and the movable diffuser is configured to vary an area of the outlet.
Disclosed in the embodiments of the present invention are a heat exchange plate for a plate heat exchanger, and a plate heat exchanger having the heat exchange plate. The heat exchange plate comprises: a heat exchange plate body; and an annular flange extending obliquely from the edge of the heat exchange plate body. The flange has reinforcing protrusions. The heat exchange plate and the plate heat exchanger according to the embodiments of the present invention can, for example, improve the quality of the heat exchange plate of the heat exchanger.
F28D 9/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les sources de potentiel calorifique se déplaçant l'une par rapport à l'autre suivant un angle
F28F 3/08 - Eléments construits pour être empilés, p.ex. pouvant être séparés pour leur nettoyage
92.
HEAT EXCHANGE PLATE FOR USE IN PLATE-TYPE HEAT EXCHANGER, AND PLATE-TYPE HEAT EXCHANGER
Disclosed in the embodiments of the present invention are a heat exchange plate for use in a plate-type heat exchanger, and a plate-type heat exchanger having same. The heat exchange plate comprises a heat exchange portion and a port portion; fluids having different temperatures exchange heat with each other by means of the heat exchange portion; an opening used as the port of the heat exchanger is formed in the port portion. The heat exchange plate comprises a first side and a second side in a direction perpendicular to the heat exchange plate; the port portion is provided with a contact portion that is in contact with the port portion of another heat exchange plate at the first side, and a protrusion protruding towards the second side relative to the contact portion. The heat exchange plate and the plate-type heat exchanger of the embodiments of the present invention can, for example, improve the quality of the port portion of the heat exchange plate of the heat exchanger.
F28F 3/08 - Eléments construits pour être empilés, p.ex. pouvant être séparés pour leur nettoyage
F28D 9/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés 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 formées par des plaques ou des laminés enroulés en spirale
This disclosure relates to a compressor having at least two compression stages. In particular, an exemplary compressor includes a first radial compression stage arranged along an axis, a second radial compression stage arranged along the axis, and a connector fluidly connecting an outlet of the first radial compression stage to an inlet of the second radial compression stage. The connector has a plurality of sections arranged about the axis. The compressor may be a refrigerant compressor used in a heating, ventilation, and air conditioning (HVAC) chiller system.
F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
A common unit (10) for a refrigerant gas handling system (1) is described, the common unit (10) comprising an accumulator (4), a check valve (11), and a reversing valve (3). The accumulator (4), the check valve (11), and the reversing valve (3) are integrated in the common unit (10). Such a system should facilitate mounting of a VRF or VRV system and should be easy to produce. To this end, the common unit (10) is accommodated in a shell, wherein the shell can withstand at least twice atmospheric pressure, wherein the shell comprises a housing (14) that houses the check valve (11) and the reversing valve (3), an accumulator shell, and a tube (13) connecting the housing (14) and the accumulator shell.
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
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 45/00 - Dispositions pour l'introduction ou l'évacuation du frigorigène
A common unit (10) for a refrigerant gas handling system (1) is described, the common unit (10) comprising an accumulator (4), a check valve (11), and a reversing valve (3). The check valve (11) and the reversing valve (3) are arranged together in a first area and the accumulator (4) is arranged in a second area. Such a system should achieve a good efficiency and a high reliability. To this end, the reversing valve (3) is connected to an actuator, wherein the actuator is arranged in the second area as well.
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
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
97.
SENSOR ARRANGEMENT FOR MEASURING THE PRESSURE AND TEMPERATURE OF A FLUID
The invention relates to a sensor arrangement (10) for measuring the pressure and temperature of a fluid, the sensor arrangement (10) comprising a housing (12), a pressure sensor element (18), and a temperature sensor case (20), wherein the housing (12) comprises a passage (22) and a fluid opening (24), the passage (22) and the fluid opening (24) being in fluid communication, wherein the pressure sensor element (18) is connected to the housing (12), the pressure sensor element (18) being in fluid communication with the passage (22), wherein the temperature sensor case (20) comprises at least one temperature sensor element (30), the temperature sensor case (20) being at least partially arranged in the passage (22), wherein the sensor arrangement (10) further comprises an attachment element (26), wherein the attachment element (26) attaches the temperature sensor case (20) to the passage (22), wherein the sensor arrangement (10) further comprises a fluid channel (28) extending at least in part between the housing (12) and the temperature sensor case (20), the fluid channel (28) passing the attachment element (26) and being in fluid communication with the fluid opening (24) and the pressure sensor element (18). The invention provides an improved sensor arrangement (10) for measuring the pressure and temperature of a fluid that comprises a reduced size and is cost-efficient.
G01L 19/00 - MESURE DES FORCES, DES CONTRAINTES, DES COUPLES, DU TRAVAIL, DE LA PUISSANCE MÉCANIQUE, DU RENDEMENT MÉCANIQUE OU DE LA PRESSION DES FLUIDES - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres
G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa
G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
G01K 1/00 - MÉTROLOGIE; TESTS ÉLÉMENTS THERMOSENSIBLES NON PRÉVUS AILLEURS - Détails des thermomètres non spécialement adaptés à des types particuliers de thermomètres
A refrigerant system (1) is described comprising a refrigerant circuit having a first heat exchanger (2), a compressor (3), a second heat exchanger (4) and a gas/fluid separator (5) comprising an inlet (12) connected to a refrigerant outlet of the first heat exchanger and an outlet (13) connected to the compressor (3). It should be possible to remove liquid from a refrigerant flow even with a limited size of the separator. To this end, the separator (5) comprises at least two flow paths arranged in parallel between the inlet (12) and the outlet (13) of the separator (5).
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
Disclosed is a method for producing a heat exchanger. The heat exchanger comprises heat exchange tubes extending along a first direction and arranged along a second direction perpendicular to the first direction, and a fin. The fin is provided with fin grooves for mounting the heat exchange tubes, and each fin groove is provided with an opening on one side in a third direction perpendicular to the first direction and the second direction. The method comprises: providing a heat exchange tube preform, the heat exchange tube preform having a maximum size in a second direction; providing a fin preform, a fin groove of the fin preform having a minimum size in the second direction, and the maximum size being greater than the minimum size; inserting the heat exchange tube preform into the fin groove of the fin preform, so as to generate a predetermined contact pressure between the heat exchange tube preform and the fin preform by means of the elastic deformation of at least one of the heat exchange tube preform and the fin preform; and welding the heat exchange tube preform and the fin preform together.
F28F 1/30 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement les moyens pouvant être fixés à l'élément
B23P 21/00 - Machines pour l'assemblage de nombreuses pièces différentes destinées à composer des ensembles, avec ou sans usinage de ces pièces avant ou après leur assemblage, p.ex. à commande programmée
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a first stage and a second stage downstream of the first stage, and a cooling line configured to cool power electronics. The cooling line is configured to be switched between a first mode and a second mode. The first mode is configured to dump refrigerant between the first stage and the second stage, and the second mode is configured to dump refrigerant upstream of the first stage.
brevets
