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Matches 1 - 50 out of 15,434

Document Document Title
WO/2020/182462A1
The present invention relates to a heat pump device (2) for a heating and/or hot water preparation system (1) having a refrigerant circuit (200) and a water circuit (100), to a heating and/or hot water preparation system (1) having a ref...  
WO/2020/186096A1
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a high-pressure vessel including a first shell and a fluid outlet extending from the first shell. The HVAC&R system also includes a low-pressure vessel ...  
WO/2020/179825A1
An air conditioning device of the present invention comprises: a plurality of use-side units (3a, 3b, 3c, 3d) having a first refrigerant circuit; a heat source-side unit (2) having a second refrigerant circuit; a communication pipe group...  
WO/2020/179007A1
This indoor unit of an air conditioning apparatus is provided with a housing, a heat exchanger, a flare connection part, a drain pan, a refrigerant leakage detection means, and a control device. The housing has therein a heat exchanger c...  
WO/2020/179827A1
This design assisting system (300) comprises an information acquisition unit (312) and a useful information presentation unit (318). The information acquisition unit (312) acquires information pertaining to the position of a relay unit s...  
WO/2020/178956A1
This air conditioning system comprises: an air conditioner that includes a refrigerant circuit in which an indoor unit and an outdoor unit are connected by a refrigerant tube and a flammable refrigerant passes through the refrigerant tub...  
WO/2020/177272A1
A control method for an air conditioning and floor heating integrated machine assembly, comprising a refrigerant circulation loop formed by a compressor (1), an oil separator (2), a four-way valve (3), an indoor unit heat exchanger (9), ...  
WO/2020/175409A1
The present disclosure is for efficiently executing a plurality of inspections in an air conditioning system. The inspection execution method according to a first aspect is a method for executing a plurality of inspections on each of a p...  
WO/2020/176611A1
A pressure spike prevention assembly for use in a heat pump system includes a thermostatic expansion valve that includes a first port and a second port. The first port is designed to be fluidly coupled to an indoor coil, and the second p...  
WO/2020/175543A1
An integrated valve (14) is applied to a heat pump cycle (10) which can be switched to a gas injection cycle. A valve component of the integrated valve has: base portions (X11, X12, X13) in which is formed a fluid chamber (X19) through w...  
WO/2020/175544A1
In this refrigeration cycle device (10), at least one pressure reduction unit is a variable pressure reduction unit (14, 16, 18) comprising a valve component (X1). The valve component comprises: base parts (X11, X12, X13) that have a flu...  
WO/2020/174639A1
The present invention includes: a refrigeration cycle circuit; a first branch part and a second branch part; a bypass pipe connecting the first branch part and the second branch part; a first valve provided between the second branch part...  
WO/2020/175542A1
In this refrigeration cycle device (20), a pressure reduction unit (23) comprises a valve component (X1) that adjusts an aperture opening. The valve component comprises: base parts (X11, X12, X13) that have a fluid chamber (X19) formed t...  
WO/2020/175548A1
An ejector-type refrigeration cycle device is provided with: a compressor (12); a radiator (14); an ejector (16); and a flow rate adjustment unit (22) including a valve component (X1) that adjusts a flow rate of a refrigerant flowing int...  
WO/2020/175547A1
The oil return device is equipped with: flow passage formation parts (103a, 105a, 111, X2) for forming oil flow passages (110, 112, 113, 115, XV1, XV2) through which oil flows from an oil storage chamber (101a) toward a sliding part of a...  
WO/2020/174555A1
A compressor (10) provided with a plurality of terminals (20a, 20b, and 20c), a terminal cover (26) that protects the plurality of terminals, and a temperature sensor (22) that detects the temperature of a shell comprises: a covering bod...  
WO/2020/170470A1
This refrigeration cycle device comprises a refrigeration cycle circuit, a bypass flow path, a first valve provided to the refrigeration cycle circuit, a second valve provided to the bypass flow path, a first temperature sensor that dete...  
WO/2020/170073A1
Adjustment method (1) for at least one refrigeration system (100), comprising at least one chamber (101) whose temperature is to be adjusted, said at least one chamber being thermodynamically connected to at least one refrigeration circu...  
WO/2020/168771A1
The present disclosure relates to an automatic water replenishing system for a heat pump unit and a water replenishing method therefor. The automatic water replenishing system comprises a water flow measurement device, a water replenishi...  
WO/2020/164279A1
An air-cooled magnetic suspension centrifuge set and a shutdown control method thereof, solving the problem that a bearing may be easily crashed in a shutdown process of a rotating shaft of an existing magnetic suspension centrifugal com...  
WO/2020/167666A1
An HVAC system including a multi-capacity compressor, and a control system for the multi-capacity compressor are described herein. The control system includes an AC line voltage source, a variable-voltage variable-frequency drive, and a ...  
WO/2020/166446A1
A management system (100) manages the amount of refrigerant filling a plurality of refrigeration cycle devices (1) having refrigerant circuits (RC). The management system (100) has an acquisition unit (441), a fifth storage unit (41E), a...  
WO/2020/162053A1
The objective of the present invention is to provide a waste heat recovery device and a method for controlling the same with which it is possible to detect leakage of a refrigerant relatively rapidly, even if the refrigerant has leaked f...  
WO/2020/160817A1
The invention relates to a method for operating a vehicle refrigeration system having a refrigerant circuit (10), in refrigeration operation with a chiller branch (1.0) which has a chiller (1), a first expansion member (AE1) and is therm...  
WO/2020/158653A1
An air conditioning device (1) comprises a use-side unit (3a), a heat-source-side unit (2), refrigerant communication pipes (5, 6), cutoff valves (68a, 71a) provided to the refrigerant communication pipes (5, 6), a refrigerant leak detec...  
WO/2020/158888A1
An air conditioner (1) comprises: a refrigerant circuit (10, 13) in which a refrigerant flows through, in order, a compressor (21), a condenser (23), a second expansion valve (28), a medium pressure receiver (81), a first expansion valve...  
WO/2020/157010A1
The invention relates to a refrigeration device having at least one warm storage compartment and one cold storage compartment (1, 2) and a refrigerator, in which at least two vaporisers (8, 10) that are parallel to one another are connec...  
WO/2020/155871A1
Disclosed are a heat pump unit, and a discharge temperature control method and device therefor. The method comprises: obtaining a condensing temperature and a discharge temperature of the heat pump unit (S101); and according to the conde...  
WO/2020/158652A1
When the specifications for a shutoff valve become excessive, the manufacturing cost increases. An air-conditioning device (1) in which a lightly flammable refrigerant is circulated in a refrigerant circuit (10) is equipped with a first ...  
WO/2020/152765A1
This air conditioning device, which conditions air by performing heat exchange between a refrigerant circulating in a refrigerant circuit and indoor/outdoor air, comprises a measurement means that measures the concentration of refrigeran...  
WO/2020/151180A1
Disclosed are a control method for an air conditioner electronic expansion valve and an air conditioner. The control method for an air conditioner electronic expansion valve comprises the following steps: acquiring the exhaust temperatur...  
WO/2020/152684A1
Method and system for monitoring a refrigerated cargo container in real time including receiving sensor signals from a plurality of sensors that include one or more of a temperature sensor, a humidity sensor, and a pressure sensor; and p...  
WO/2020/148887A1
The chilling unit according to the present invention supplies heat to a heat load by heating or cooling a heating medium, which serves as a medium for carrying heat, and circulating the heating medium through a heating medium circulation...  
WO/2020/148270A1
The invention relates to a method of determining a refrigerant or a composition of refrigerants in a refrigeration system (1) comprising an expansion valve (2), an evaporator (3), one or more evaporator fans (4), a condenser (5), one or ...  
WO/2020/144769A1
An air-conditioning apparatus 1 is provided with: a housing 2 having a first space 20 and a second space 30 that are adjacent to each other; an air blower 21 that is provided in the first space 20 and takes air into the housing 2; a heat...  
WO/2020/143629A1
Various embodiments of fast switching multiple evaporator system for an appliance are provided. In one example aspect, a sealed system charged with a refrigerant fluid includes a single compressor (210) and a first and second evaporator ...  
WO/2019/166881A3
Refrigerating circuit comprising electromagnetic valves (5, 8, 11, 13) upstream and downstream of each component (6, 9, 12, 1) of the circuit in order to prevent refrigerant from leaking into the environment in the event of a circuit rup...  
WO/2020/143468A1
Disclosed is a device for adjusting the heat transfer capacity of a roadbed in a cold region, the device comprising a compressor (3) in communication with an electromagnetic four-way valve (4); a first pipe body with a protruding end A (...  
WO/2020/144738A1
This air conditioner has a refrigerant circuit through which a refrigerant circulates and a control device for controlling the refrigerant circuit. The refrigerant circuit includes: a main circuit in which a compressor, a reheater, a fir...  
WO/2020/143586A1
A method for operating a caloric heat pump system includes changing a cycle frequency at which a field of a field generator is applied to caloric material in the caloric heat pump system. The method also includes adjusting a speed of a h...  
WO/2020/141583A1
A usage unit (30) has a power supply part (33) that receives electric power supplied from a power supply system, and that supplies operation power. A first cut-off valve (51) and/or a second cut-off valve (52) is an external cut-off valv...  
WO/2020/142712A1
The present disclosure relates to a new breed of high performance compressors and associated vapor compression systems that can be used in wide ranging refrigeration, cooling and heating applications with significantly increased compress...  
WO/2020/141279A1
The invention relates to a method for determining the level of refrigerant charge in a cooling circuit (1) for an on-board air-conditioning system, in which method the total quantity of refrigerant in gaseous and liquid form contained in...  
WO/2019/133720A9
A heating, ventilation, and air conditioning (HVAC) system (10) includes an expansion device (36) disposed between a condenser (34) and an evaporator (38) of a vapor compression system (14) and a control panel (40) communicatively couple...  
WO/2020/141582A1
This air conditioner (10) comprises cut-off valves connected to each of two refrigerant flow paths (41, 42). At least one of the two cut-off valves is configured from a flow path switching valve (V1, V2) that switches a flow path so as t...  
WO/2020/136938A1
This refrigeration cycle device is provided with a flow path switching device (2) that comprises: a first connection flow path (21) which connects an inlet port (2a) and a first inlet/outlet port (2c) to each other; a second connection f...  
WO/2020/134020A1
A magnetic bearing compressor (100), an air conditioner, and a protective air gap value setting method. The magnetic bearing compressor (100) comprises: a rotor (102), a magnetic bearing (104), a sensor (106), and a control device (108)....  
WO/2020/134742A1
The present application provides a compressor operation control method and control apparatus, and a heat exchange system. The control apparatus comprises: a first calculation unit, which calculates a user-side load of a heat exchange dev...  
WO/2020/138811A1
Disclosed is a method for controlling a refrigerator including a motor driving a compressor. The method for controlling a refrigerator includes: identifying driving revolutions per minute (RPM) for driving of the motor; performing a cont...  
WO/2020/136756A1
The present invention simplifies the monitoring of the execution of filter cleaning at a customer store or the like that has already introduced a freezing showcase, without the need for, for example, modifying or remodeling refrigeration...  

Matches 1 - 50 out of 15,434