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WO/2020/100366A1 |
This refrigeration cycle apparatus comprises: a refrigerant circuit obtained by connecting, by pipes, a compressor, an outdoor heat exchanger, an expansion unit, a usage-side heat exchanger and an accumulator; a bypass circuit which conn...
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WO/2020/100766A1 |
This heat exchanger comprises: a plurality of heat transfer pipes that extend along a first direction orthogonal to a flow direction for a gas to be cooled; and a defrosting unit for defrosting pipes to be defrosted among the plurality o...
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WO/2020/100768A1 |
The heat exchanger according to one embodiment of the present invention is provided with: a gas flow path through which a to-be-cooled gas is passed; a plurality of heat transfer pipes that are disposed within the gas flow path; and an u...
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WO/2020/100767A1 |
This heat exchanger comprises: a gas flow path through which gas to be cooled flows; a plurality of heat transfer pipe groups arranged inside the same gas flow path; a cooling medium inlet flow path for supplying a cooling medium to the ...
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WO/2020/088425A1 |
Disclosed in the present application is an air conditioner, comprising a water heating switcher and a first four-way valve, wherein the water heating switcher comprises a first interface, a second interface, and a third interface; the fo...
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WO/2020/090635A1 |
This refrigeration apparatus includes a compressor, a four-way switching valve, a heat source-side heat exchanger, an expansion valve, a use-side heat exchanger, and a refrigeration circuit configured such that a refrigerant circulates t...
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WO/2020/079835A1 |
An air conditioner (100) comprises: a main circuit (30); a first bypass channel (B1) by which a second heat exchanger (7) pipe on the side of a first expansion valve (6a) and a discharge side pipe of a compressor (1) communicate; a secon...
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WO/2020/073372A1 |
A hot pump hot blast stove system for grain drying, comprising a blower and a heat pump unit. The heat pump unit comprises a compressor (1-1; 1-2; 1-3), an evaporator (4-1; 4-2; 4-3), a gas-liquid separator (5-1; 5-2; 5-3), and a condens...
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WO/2020/071803A1 |
The present invention relates to a heat management system which comprises: a refrigerant circulation line which cools an indoor space by circulating a refrigerant and includes a compressor, a water cooling-type condenser, a first expansi...
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WO/2020/066273A1 |
This heat pump device is provided with: a refrigerant circuit in which a compressor (11), a first indoor heat exchanger (21), an electric expansion valve (13), and a heat source-side heat exchanger (14) are connected in a loop; a second ...
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WO/2020/062606A1 |
Disclosed are a refrigerant circulation system and a method for controlling same, and an air conditioning device. The refrigerant circulation system comprises a main circulation system and a heat exchange system, wherein the heat exchang...
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WO/2020/066015A1 |
This air-conditioner is provided with: a plurality of outdoor units which each include a compressor and an outdoor heat exchanger and through which a refrigerant flows; one or more indoor units which each include an indoor heat exchanger...
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WO/2020/056956A1 |
A defrosting control method and device for a heat pump unit, a storage medium, and a heat pump unit.The method comprises: acquiring an outdoor ambient temperature and an operation state of a heat pump unit; determining whether the outdoo...
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WO/2020/055628A1 |
A transport refrigeration unit is provided and includes a compressor, a condenser, an expansion valve, an evaporator, piping fluidly coupling the compressor and the condenser, a fluid loop to produce heated fluid from an engine, which is...
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WO/2020/050085A1 |
This compressor causes heat stored in a heat storage material to be transferred to a fluid and is provided with a compression unit (110) and a cover section (120). The compression unit (110) compresses and discharges a fluid. The cover s...
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WO/2020/050086A1 |
This compressor is provided with a compression unit (110) and a cover section (120). The compression unit (110) compresses and discharges a fluid. The cover section (120) is arranged on the outer circumferential side of the compression u...
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WO/2020/044386A1 |
A refrigeration device (100) is provided with a refrigerant circuit through which a refrigerant circulates. The refrigerant circuit includes a compressor (1), a heat source-side heat exchanger (2), an auxiliary heat exchanger (3), a firs...
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WO/2020/021700A1 |
This refrigeration cycle device (100) uses a non-azeotropic refrigerant mixture. The refrigeration cycle device (100) is provided with a compressor (1), a first heat exchanger (3), a pressure reducing device (4), a second heat exchanger ...
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WO/2020/017030A1 |
An air conditioning device (1) comprises: a compressor (11); a first heat exchanger (13); a second heat exchanger (22) that exchanges heat between a first heat medium and a second heat medium; a plurality of flow rate adjusting valves (3...
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WO/2020/010723A1 |
An air conditioner and a defrost control method therefor, wherein the defrosting control method comprises: obtaining residual frost detection parameters when an air conditioner ends a defrost mode; determining, on the basis of the residu...
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WO/2020/014679A1 |
A system attachable to a refrigeration circuit includes a recovery pump attachable to the refrigeration circuit to remove refrigerant. The recovery pump includes a pump, an electric motor, a battery pack, and a recovery pump controller f...
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WO/2020/003590A1 |
Provided are a refrigeration cycle device and a liquid heating device comprising same. The refrigeration cycle device has: a heating operation mode in which a usage-side heat medium is heated in a usage-side heat exchanger 22, by a refri...
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WO/2019/245096A1 |
The present invention provides a complex cooling system whereby, when a defrosting operation of an evaporator is necessary, a liquid refrigerant is not directly evaporated, but a residual liquid refrigerant of the evaporator requiring th...
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WO/2019/243561A1 |
A method for terminating defrosting of an evaporator (104) is disclosed. The evaporator (104) is part of a vapour compression system (100). The vapour compression system (100) further comprises a compressor unit (101), a heat rejecting h...
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WO/2019/243591A1 |
A method for detecting ice accumulation on an evaporator (104) of a vapour compression system (100) is disclosed. The evaporator (104) is part of a vapour compression system (100). The vapour compression system (100) further comprises a ...
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WO/2019/243106A1 |
A method for terminating defrosting of an evaporator (104) is disclosed. The evaporator (104) is part of a vapour compression system (100). The vapour compression system (100) further comprises a compressor unit (101), a heat rejecting h...
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WO/2019/227911A1 |
An outdoor unit and an air conditioning system. The outdoor unit comprises a compressor (1), two outdoor heat exchange units (2), a liquid pipe (3), a high-pressure gas pipe (4), and a low-pressure gas pipe (5). The high-pressure gas pip...
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WO/2019/225237A1 |
First piping (41) connects an outdoor unit (20) and the discharge side of a compressor (10), a plurality of second pipings (42) connect the outdoor unit (20) and a plurality of indoor units (31, 32), and a plurality of third pipings (43)...
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WO/2019/224945A1 |
This refrigeration cycle apparatus is provided with: a refrigerant circuit; and a control device that controls the refrigerant circuit. The refrigerant circuit has: a bypass flow path connecting the discharge side of a compressor to a fi...
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WO/2019/224944A1 |
This air conditioner is provided with: a refrigerant circuit through which a refrigerant circulates and which is formed by sequentially connecting by piping a compressor which compresses the refrigerant and discharges the refrigerant, an...
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WO/2019/221785A1 |
A valve for a refrigeration system and a method of forming a valve includes a dual piston assembly having an inner piston (44) and an outer piston (42) that are moveable relative to each other to control pressure equalization flow throug...
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WO/2019/221606A1 |
Method for control of a ventilation heat pump (10), comprising the steps: to measure the pressure drop over an evaporator (KF2) by the use of a pressure transmitter (PV1) during operation of the ventilation heat pump (10) to determine th...
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WO/2019/215240A1 |
The invention relates to a heating and/or hot water supply system (100), comprising a heat circuit (20) and a heat pump circuit (30), wherein the heat pump circuit (30) has a heat transfer device (3) which is designed to transfer heat fr...
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WO/2019/210802A1 |
A defrosting control method, a defrosting control system (300), a computer device (400), and a computer-readable storage medium. The defrosting control method comprises: searching for the defrosting frequency according to the outdoor amb...
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WO/2019/203621A1 |
The present invention relates to a cooling system of a low temperature storage. A cooling system of a low temperature storage according to an embodiment of the present invention comprises: a bypass pipe extending from a flow adjusting va...
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WO/2019/203620A1 |
The present invention relates to a cooling system for a low temperature storage. The cooling system for the low temperature storage according to an embodiment of the present invention comprises: a first outdoor valve disposed between a c...
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WO/2019/200448A1 |
A dehumidifier for operation within the 5°C to 20°C temperature range and 50 to 100 percent relative humidity range of air includes an evaporator, a condenser, a fan that draws humid air through the evaporator and condenser, and a comp...
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WO/2019/199385A1 |
A method of operating a refrigeration system. The method includes operating a multi-temperature refrigeration system that has a plurality of heat absorption heat exchangers in a single temperature mode. A number of the plurality of heat ...
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WO/2019/194027A1 |
This battery cooling device is provided with: a compressor (11); a radiator (12); a first decompression unit (14b) and a second decompression unit (14c) which are arranged in parallel to each other with respect to the flow of a refrigera...
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WO/2019/190260A1 |
The present invention relates to an apparatus for detecting a defrosting time, which detects a defrosting time, and particularly includes a heating part installed in a housing, wherein the heating part comprises: a first heating part on ...
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WO/2019/176089A1 |
The present invention provides a heat exchanger according to an embodiment comprising: a first header, a second header, and a plurality of heat-exchanging tubes. The plurality of heat-exchanging tubes comprises a first heat-exchanging tu...
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WO/2019/175353A1 |
A method of reducing moisture content of a cooling compartment (128) includes increasing a temperature of the cooling compartment (128) to a minimum temperature level, decreasing the temperature of the cooling compartment (128) to a maxi...
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WO/2019/171532A1 |
A hot water supply device comprising a heat pump unit that has a compressor, a water heat exchanger, a pressure reduction mechanism, and an air heat exchanger and heats water flowing into the water heat exchanger. The hot water supply de...
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WO/2019/171463A1 |
This air conditioning device is provided with: a refrigerant circuit through which a refrigerant flows and in which a compressor, a switching valve, a first heat exchanger, an expansion valve, and a second heat exchanger are connected th...
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WO/2019/158047A1 |
The present invention relates to the technical field of air conditioners, and specifically relates to an anti-freezing control method for an indoor unit of an air conditioner. The present invention aims to solve a problem in the prior ar...
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WO/2019/159721A1 |
This air-conditioning apparatus (10) comprises: a refrigerant circuit (11) connecting a first heat exchanger (22), a second heat exchanger (31), a radiant panel (40), and an expansion valve (51) which adjusts the flow rate of refrigerant...
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WO/2019/158048A1 |
The present invention relates to the technical field of air conditioners, and specifically relates to a defrost control method for an air conditioner capable of more accurately determine a timing for defrost. The defrost control method o...
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WO/2019/156021A1 |
This refrigerator has: a refrigeration cycle comprising a compressor, a first condenser, a second condenser, an evaporator, and a flow path switching device; a storage compartment; a cold-storage device; and a control device. On the down...
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WO/2019/151815A1 |
An air conditioner according to an embodiment of the present invention, comprises: a plurality of heat exchangers provided so as to form multiple stages of refrigerant flow paths inside an outdoor heat exchanger; a bypass pipe allowing a...
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WO/2019/146856A1 |
The present invention provides a freezing apparatus using an isobutane refrigerant, the freezing apparatus carrying out defrosting by means of the heat generation of a defrosting electric heater, heat generation caused by latent heat of ...
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