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WO/2020/241613A1 |
[Problem] To provide a vehicular air-conditioning device configured to alleviate frosting of the exterior heat exchanger when the vehicle is running after being disconnected from an external power source, so that the period during which ...
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WO/2020/237716A1 |
Embodiments of the present application provide a heating control method and device, and an ice maker. The heating control method comprises: confirming that an ice maker is in an ice making operation state; on the basis of environmental p...
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WO/2020/234994A1 |
An air conditioning device is provided with: a plurality of heat source machines each having a compressor, a heat-source-side heat exchanger, a flow-regulating valve, and an accumulator; a use-side load connected to the heat source machi...
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WO/2020/235250A1 |
An air-conditioning device that comprises a heat pump cycle (10), a heat exchange part inlet-side inside/outside air switching part (32e), and a heat exchange part outlet-side inside/outside air switching part (33e). In a heating mode in...
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WO/2020/235262A1 |
[Problem] To provide a vehicle air conditioner capable of controlling exhaust heat recovery from heat-generating equipment, using a relatively simple configuration. [Solution] A vehicle air conditioner 1 includes a controller 32 that, in...
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WO/2020/233116A1 |
An air conditioner defrosting control method, which aims to solve the problem that the existing air conditioners have a poor way of detecting the frosting condition of outdoor coils, and the defrosting efficiency of the existing defrosti...
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WO/2020/224502A1 |
A control method and apparatus for air conditioner defrosting, and an air conditioner. The control method comprises: once an air conditioner has completed the execution of a defrosting process, acquiring a power parameter of the air cond...
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WO/2020/227374A2 |
A combined heat exchanger, a heat exchange system, and an optimization method thereof are provided. The heat exchange system includes: an enhanced vapor injection compressor, a condenser, an expansion valve and an evaporator, which are l...
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WO/2020/215787A1 |
A control method for a heat pump system, the heat pump system comprising a compressor (1), an indoor heat exchanger (2), a first throttling device (3), a second throttling device (6), a bypass pipeline (4) and an outdoor heat exchanger (...
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WO/2020/211407A1 |
A heat pump system, comprising a controller, and a compressor (1), a heat exchange device and an evaporator (3) respectively electrically connected to the controller, and an electromagnetic valve (2) and an electronic expansion valve (6)...
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WO/2020/213130A1 |
An air conditioner (1) comprises a compressor (11), a first heat exchanger (13), a second heat exchanger (22), a plurality of third heat exchangers (31, 41, 51), flow rate regulating valves (33, 43, 53), and a pump (23). In a heating mod...
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WO/2020/208723A1 |
If the timings at which the conditions for starting defrosting in a plurality of air conditioners are satisfied are close to each other, the air conditioner that has the earliest timing at which the defrosting start conditions are to be ...
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WO/2020/208776A1 |
This air conditioning apparatus is provided with: a main circuit having a compression machine and a plurality of parallel heat exchangers; a bypass pipe that causes a portion of a refrigerant discharged by the compression machine to bran...
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WO/2020/208573A1 |
Methods for shortening the cycle time in each of the defrost, standby and cool modes of operation of a very low temperature refrigeration system. These methods can be used alone or in combination with one or more of each of the other tec...
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WO/2020/204083A1 |
Provided is a refrigeration cycle device such that a defect caused by iodine can be suppressed when a refrigerant containing iodine is used. An air conditioner (10) has a refrigerant circuit (11) in which a refrigerant containing iodine ...
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WO/2020/194435A1 |
The purpose of the present invention is to provide an air-conditioning device capable of defrosting parallel heat exchangers while maintaining heating capacity even during heating-defrosting operation. This air-conditioning device compri...
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WO/2020/198277A1 |
A defrost cycle control assembly includes a first sensor that is configured to measure a temperature adjacent a top portion of an outdoor heat exchanger of a heat pump, a second sensor that is configured to measure a temperature adjacent...
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WO/2020/186693A1 |
The present application relates to a heat exchange assembly, comprising: a heat exchanger; a heating device provided on the heat exchanger to heat and defrost the heat exchanger; and a controller for adjusting output power of the heating...
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WO/2020/189586A1 |
The purpose of the present invention is to provide a refrigeration cycle device such that it is possible to sufficiently melt frost that is attached to an outdoor heat exchanger. An air-conditioning device (1) comprises: a refrigerant ci...
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WO/2020/186906A1 |
A defrosting control method for an air conditioner and an air conditioner. The air conditioner comprises a compressor (1), an indoor heat exchanger (8), a flash evaporator (6), a first throttle element (5), a first two-way valve (2) and ...
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WO/2020/184491A1 |
Outdoor unit (10) for a heat pump (1) comprising a refrigerant circuit, the outdoor unit comprising a compressor (13), a discharge pipe (17) of the refrigerant circuit connected to a discharge side of the compressor (13), a bottom plate ...
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WO/2020/177275A1 |
A gas heat pump air-conditioning system that has non-stop defrosting, comprising a refrigerant circulation circuit composed of a compressor (1), an oil separator (2), a four-way valve (3), an indoor unit heat exchanger (4), an outdoor un...
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WO/2020/166308A1 |
A defrosting device (200) comprises: a cooler (3) that has a refrigerant pipe (1) and a plurality of fins (2); an accumulator (4) that is connected to the refrigerant pipe (1) and stores a liquid refrigerant; and a defrosting heater (111...
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WO/2020/161834A1 |
The present invention provides a refrigeration cycle device (1) comprising a refrigerant circuit (10), a switching circuit (20), detection units (41, 42), a pressure adjuster (44), and a controller (50). The switching circuit (20) perfor...
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WO/2020/161839A1 |
A refrigeration device (100) comprises a compressor (1), a first heat exchanger (2), and a cooling part (3). The cooling part (3) includes a second heat exchanger (31) and a third heat exchanger (32). Refrigerant circulates in order thro...
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WO/2020/161838A1 |
The freezing apparatus (100) according to the present invention performs a normal operation and a defrosting operation. The freezing apparatus (100) comprises a compressor (1), a first heat exchanger (2), a second heat exchanger (4), a f...
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WO/2020/161805A1 |
An air conditioner (1) comprises: a second heat exchanger (22) that performs heat exchange between a first heat medium and a second heat medium; a plurality of third heat exchangers (31, 41, 51) that perform heat exchange between the sec...
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WO/2020/161803A1 |
A refrigeration device (100) comprises an outdoor unit (101) and an indoor unit (102). The outdoor unit (101) comprises a first compressor (1), a second heat exchanger (2), a reversing valve (7), and a refrigerant volume adjustment mecha...
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WO/2020/161804A1 |
A freezing device (100) comprises a refrigerant circuit in which a refrigerant circulates through a compressor (1), a first heat exchanger (2), an expansion device (3), and a second heat exchanger (4) in order, and a drain pan (5) that i...
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WO/2020/150889A1 |
Disclosed is a control system for sequential defrosting of a moist-air heat exchanger, the control system comprising an air heat-absorption unit, a defrosting unit, and a control unit (7). By using a combination of the principle of spati...
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WO/2020/149063A1 |
[Problem] To ensure the required amount of heat absorption while preventing frost formation in an interior heat exchanger during a defrosting operation. [Solution] An accumulator 27 has: a hollow pressure vessel 27a; a refrigerant outflo...
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WO/2020/144680A1 |
The disclosure relates to an Ice maker. Specifically, the disclosure relates to an ice maker having a circulating coolant fluid that is separate and distinct from the circulating refrigerant used to control the coolant´s temperature in ...
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WO/2020/143777A1 |
A defrosting system, applied in a refrigerator, and comprising a compressor (10), a condenser (20), and an evaporator (30). A fan (33) is provided on the evaporator (30). The defrosting system further comprises a communication-switching ...
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WO/2020/144681A1 |
An atmospheric water generator (AWG) includes a defrost or reversing valve embedded on the refrigeration cycle of the AWG. The defrost or reversing valve enables, when activated, hot compressed refrigerant gas to flow from the condenser ...
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WO/2020/145281A1 |
This refrigeration system is one in which a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are connected in a ring and which performs a cooling operation for cooling a target space, the refrigerat...
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WO/2020/135589A1 |
An air conditioning system, and a reverse-cycle defrosting method and device for the same. The method comprises: controlling an air conditioning system to perform reverse-cycle defrosting; and controlling, during a reverse-cycle defrosti...
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WO/2020/135591A1 |
An air conditioning system, and a method and device for controlling an air conditioning system. The method comprises: recognizing that an air conditioning system needs to terminate a heating operation, and controlling the air conditionin...
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WO/2020/131377A1 |
A soft-opening valve, such as for a refrigeration system, includes a valve body having an inlet, outlet, main passage between the inlet and outlet, and a first valve surface movable in the main passage to control fluid flow from inlet to...
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WO/2020/121411A1 |
This air conditioner comprises: a refrigerant circuit having a main circuit and a bypass circuit; an air-conditioning load state detection means; an operation state detection means; and a control device. The air conditioner has a simulta...
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WO/2020/115812A1 |
This air conditioner is provided with a refrigerant circuit in which a compressor for compressing and discharging a refrigerant, an indoor heat exchanger for causing an exchange of heat between the refrigerant and indoor air, a first thr...
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WO/2020/113938A1 |
An air conditioner system (10), an air conditioner control method and an apparatus (90), as well as a computer-readable storage medium. The air conditioner system (10) comprising a compressor (100), an indoor heat exchanger (110), a firs...
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WO/2020/111200A1 |
When defrost operation is initiated in any one of a plurality of air conditioners, the defrost initiation conditions are modified for the other air conditioners apart from the air conditioner that has initiated defrost operation.
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WO/2020/111479A1 |
An air conditioner comprises: an outdoor heat exchanger in which N heat exchange units are sequentially spaced in the up and down direction, a first heat exchange unit is located at the uppermost position, an Nth heat exchange unit is lo...
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WO/2020/110213A1 |
An air-conditioner (300) is provided with: a compressor (1); a passage switching valve (2); an outdoor heat exchanger (3); a passage guiding device (5); an expansion valve (6); and an indoor heat exchanger (7). The outdoor heat exchanger...
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WO/2020/111241A1 |
Provided are a refrigeration cycle device and a refrigeration cycle system with which the amount of refrigerant can be determined precisely even when the refrigeration cycle device is operating in a heating operation mode as a normal mod...
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WO/2020/111590A1 |
The present invention relates to a refrigerator and a method for controlling same, and the purpose of the present invention is to improve a structure of a cooling compartment evaporator and a control method thereof such that the cooling ...
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WO/2020/112819A1 |
A closed loop water chiller system and method of operating a closed loop water chiller system includes a water chiller system having a pipe network. An inert gas source, such as nitrogen gas source is connected with the pipe network. Ine...
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WO/2020/103271A1 |
A heat pump system, which relates to the technical field of heat pump units. The heat pump system comprises an electromagnetic suspension centrifugal compressor (1) and further comprises a switching communication device (3) and a first e...
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WO/2020/100210A1 |
This refrigerating cycle apparatus comprises: a refrigerant circuit obtained by connecting, with pipes, a compressor, an outdoor heat exchanger, an expansion unit, a usage-side heat exchanger and an accumulator; a bypass circuit which co...
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WO/2020/098057A1 |
Disclosed are a heat recovery system and a defrosting control method. The heat recovery system comprises a first liquid pipe (3), a first gas pipe (2), and a generator (5), wherein the generator (5) comprises a second pipeline (9); the f...
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