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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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WO/2019/146139A1 |
A refrigeration cycle device that comprises: a first four-way valve that has first to fourth ports; a second four-way valve and a third four-way valve that each have fifth to eighth ports; a compressor; discharge piping that connects the...
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WO/2019/144421A1 |
A heat pump air conditioning system and a control method. The heat pump air conditioning system comprises: a compressor (1); an indoor unit heat exchanger (2); an outdoor unit heat exchanger (3); a throttling device (4); a refrigerant ci...
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WO/2019/146071A1 |
According to the present invention, when a control device performs defrost operations that melt the frost on an outdoor heat exchanger, the control device performs first defrost control that makes the switching state of a switching part ...
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WO/2019/146070A1 |
A refrigeration cycle device that comprises: a refrigeration circuit that has a compressor, a first outdoor heat exchanger, a second outdoor heat exchanger, and an indoor heat exchanger; and a control device that controls the refrigerati...
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WO/2019/141029A1 |
A heat pump system and a control method therefor. The heat pump system comprises a compressor (1), a first four-way valve (2), a second four-way valve (8), an outdoor heat exchanger (6) and an indoor heat exchanger (6); the outdoor heat ...
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WO/2019/142323A1 |
An evaporation-promoting member (11) is provided in a machine compartment (Ap2) so as to be downstream from a condenser (101) in the airflow direction. Once the speed of a compressor (100) for a cooling operation has been taken as a firs...
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WO/2019/138779A1 |
This ice making system (A) is provided with a tank (8) for holding a medium to be cooled, an ice making machine (1) for cooling the medium to be cooled to make ice, a pump (9) for circulating the medium to be cooled between the tank (8) ...
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WO/2019/129195A1 |
A heating device for absorbing the latent heat of the solidification of water, comprising a compressor (1), a condenser (2) and a plurality of evaporators (E1, E2) connected in parallel; the respective inlet of each evaporator (E1, E2) i...
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WO/2019/128356A1 |
Disclosed in the present application is an air conditioner and a defrosting control method therefor, relating to the technical field of air conditioners. An outdoor heat exchanger of the air conditioner comprises at least one first heat ...
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WO/2019/128518A1 |
An air conditioner system, comprising: connected in series in a main loop, a compressor (1), an indoor heat exchanger (2), a first throttling device (3), and an outdoor heat exchanger (4). A heat exchanger (5) is further disposed in the ...
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WO/2019/128517A1 |
Disclosed is an air-conditioner system, comprising a compressor (1), an indoor heat-exchanger (2), a first throttling device (3) and an outdoor heat-exchanger (4) connected in series to a main circuit, with a heat exchange device (5) bei...
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WO/2019/128945A1 |
A refrigerator and a defrosting control method thereof, comprising: detecting the surface temperature of an evaporator (300) and the power of an electromagnetic defrosting apparatus (400); on the basis of the surface temperature and the ...
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WO/2019/123596A1 |
Provided is an outdoor unit for a refrigeration cycle device with which drainage water generated by a defrosting operation can be discharged reliably by using a flexible heater having an inferior heat generation capacity per unit area th...
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WO/2019/116533A1 |
A refrigeration cycle device relating to the present invention has a heating mode and a defrosting mode as operation modes. The refrigeration cycle device is provided with a compressor (10), first and second heat exchangers, an expansion...
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WO/2019/106755A1 |
This air conditioner has a refrigeration cycle which circulates a refrigerant and in which a compressor, a four-way valve, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are connected in this order to refrige...
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WO/2019/107066A1 |
The present invention has: a flow channel switching valve (40) connected to a downstream side of a main condenser (21); a dew-proofing pipe (41) connected to a downstream side of the flow channel switching valve (40); and a bypass passag...
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WO/2019/098460A1 |
The present invention relates to a sherbet ice manufacturing apparatus capable of preventing and resolving scraper fixation, using refrigerator load reduction by means of load sensing, the apparatus comprising: an external cylindrical co...
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WO/2019/093249A1 |
Provided is a refrigeration cycle device with which lengthening of the defrost time can be prevented. This refrigeration cycle device (100) is equipped with: a refrigerant circuit (80), which has a compressor (12), a heat-source-side hea...
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WO/2019/087388A1 |
This refrigeration cycle device is provided with: a heat exchanger that functions as an evaporator, the heat exchanger having a plurality of fins provided side by side at prescribed intervals in the horizontal direction, and a side plate...
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