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WO/2023/279609A1 |
The present invention relates to the technical field of air conditioner oil return, and specifically relates to an oil-return control method for an outdoor unit. The present application is aimed at solving the problem of how to guarantee...
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WO/2023/279886A1 |
A defrosting method and device for a heat pump apparatus, and a hot water unit. The heat pump apparatus comprises a compressor (11), wherein an air inlet of the compressor (11) communicates with an air outlet by means of an air supply va...
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WO/2023/280286A1 |
A method for controlling an electronic expansion valve during a defrosting process of a heat pump system, comprising: acquiring an actual temperature Tw of an outdoor environment and an actual temperature Tn of an indoor environment duri...
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WO/2023/273711A1 |
A refrigerating and freezing device, comprising: a box body, in which a storage compartment is formed; a water pan, which is arranged in the box body; and a refrigeration system, which is arranged in the box body, wherein the refrigerati...
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WO/2023/273707A1 |
A cooling system for a refrigeration and freezing device, and a refrigeration and freezing device. The cooling system comprises: a cooling assembly comprising a compressor, a first evaporator, and a second evaporator which form a cooling...
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WO/2023/273708A1 |
A refrigerating system for a refrigerating and freezing device, and a refrigerating and freezing device. The refrigerating system comprises: a refrigerating assembly, provided with a compressor, a first evaporator, and a second evaporato...
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WO/2023/273710A1 |
A refrigerating and freezing device (10), comprising: a box body (100) having a first storage compartment (110a) and a second storage compartment (110b) formed thereinside; a refrigerating system (200) having a first evaporator (212a) an...
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WO/2023/273740A1 |
A refrigeration system for a refrigerating and freezing device, and a refrigerating and freezing device. The refrigeration system comprises a first compressor, a second compressor, a condenser, an evaporator, an intercooler, a first thro...
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WO/2023/273473A1 |
The present application belongs to the technical field of heating machines, and in particular, relates to a heating machine control method and apparatus, a device, and a storage medium, used to improve heating results of a heating machin...
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WO/2023/273706A1 |
A refrigerating and freezing apparatus, comprising: a box body, the interior of which is formed with a storage compartment; and a refrigeration system. The refrigeration system comprises: a refrigeration assembly, which has a compressor ...
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WO/2023/273705A1 |
A refrigeration system for a refrigerating and freezing device, and a refrigerating and freezing device. The refrigeration system comprises: a refrigeration assembly, which is provided with a compressor and a plurality of evaporating par...
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WO/2023/273709A1 |
A refrigerating system for a refrigerating and freezing device and the refrigerating and freezing device. The refrigerating system comprises: a refrigerating assembly, provided with a compressor and an evaporator for forming a refrigerat...
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WO/2023/276626A1 |
This heat pump cycle apparatus comprises: a defrosting operation execution unit (S6, S7) for executing a defrosting operation, in which a heat-absorbing unit (35) is defrosted, when it is assessed by a frosting assessment unit (S1) that ...
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WO/2023/275917A1 |
This air-refrigerant heat exchanger is provided with: a first air-refrigerant heat exchanger for exchanging heat between air and a refrigerant, formed with a first outflow/inflow port through which the refrigerant flows in or flows out; ...
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WO/2022/267773A1 |
A control method for a refrigerating and freezing apparatus (1), and the refrigerating and freezing apparatus (1). The refrigerating and freezing apparatus (1) comprises a box body (10), a cooling system (20) and a freezing fan (30). A f...
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WO/2022/271045A1 |
An air-to-water heat pump system is disclosed comprising a lower heat source unit and an upper heat source unit connected in a thermodynamic cycle, wherein the lower heat source unit is supplied with external air and the lower heat sourc...
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WO/2022/267772A1 |
A control method for a refrigeration and freezing apparatus (1), and a refrigeration and freezing apparatus (1). The refrigeration and freezing apparatus (1) comprises a box body (10) and a refrigeration system (20). A freezing chamber (...
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WO/2022/267775A1 |
Disclosed are a refrigerating and freezing apparatus control method, and a refrigerating and freezing apparatus. The refrigerating and freezing apparatus comprises a cabinet and a refrigeration system. A freezing compartment and at least...
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WO/2022/264199A1 |
This temperature adjusting device has a load apparatus and a heat source apparatus. The load apparatus heats a subject through a heating medium flowing through a heating medium pipe, and the heat source apparatus supplies the heated heat...
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WO/2022/258945A1 |
An evaporator assembly comprises at least one plate evaporator, each plate evaporator comprising first and second sheets that are joined together and that define an internal conduit between the sheets. The internal conduit is aligned par...
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WO/2022/259287A1 |
This refrigeration device comprises: a main circuit in which a compressor, a condenser, a receiver, a first opening/closing valve, an expansion mechanism, an evaporator, and an accumulator are sequentially connected by refrigerant piping...
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WO/2022/255111A1 |
This air-conditioning device for a vehicle has a refrigeration cycle (10) and a control unit (70). The refrigeration cycle comprises a compressor (11), a heating unit (35), an outdoor-air heat exchanger unit (29X), a first expansion valv...
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WO/2022/249425A1 |
This heat exchanger installed in an air conditioner outdoor unit is equipped with one heat exchanger core with a plurality of flattened tubes extending in the vertical direction, or two or more such heat exchanger cores along the air flo...
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WO/2022/249394A1 |
A refrigeration cycle device (100) comprises: a refrigerant circuit (80); and a non-azeotropic refrigerant, which flows through refrigerant pipes (51-56). When the non-azeotropic refrigerant passes through an outdoor heat exchanger (40),...
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WO/2022/227786A1 |
An air conditioning system and a control method for the air conditioning system, the air conditioning system comprising: a compressor (1), a reversing assembly (2), an outdoor heat exchange assembly, an indoor heat exchanger (4), a throt...
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WO/2022/227567A1 |
A control method for a dual compressor air conditioner, relating to the technical field of air conditioners. The present invention aims to solve the problem that a defrosting effect of existing air conditioners by additionally providing ...
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WO/2022/219666A1 |
An outdoor unit (101) comprises: a first compressor (1); a second heat exchanger (20); an accumulator (9); and a four-way valve (7). In a refrigeration mode, a first refrigerant flows through the first compressor (1), the second heat exc...
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WO/2022/212452A1 |
A heat pump water heater can include a water tank and a refrigerant circuit that can be in fluid communication with an evaporator coil, a condenser coil, and a compressor. The heat pump water heater can include a fan configured to move a...
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WO/2022/209699A1 |
Provided is a freezer device that implements heat exchange with air and thereby generates first air for setting the temperature of a refrigeration storage chamber to a refrigeration temperature and second air for setting the temperature ...
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WO/2022/210398A1 |
Provided is a refrigeration cycle device that uses an absorbent to change the composition ratio of a refrigerant used in a refrigeration cycle, wherein an increase in the time required to change the composition ratio is suppressed. This ...
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WO/2022/203040A1 |
Provided is a refrigeration cycle device that suppresses corrosion of a component of a refrigerant circuit, such corrosion caused by a refrigerant containing trifluoroiodomethane. An air conditioning device (1) is provided with a refrige...
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WO/2022/202839A1 |
The present invention carries out defrosting reliably without irregularities in accordance with the state of a vehicle. Provided is a vehicular air-conditioning device provided with a refrigerant circuit, which includes a compressor fo...
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WO/2022/202841A1 |
The present invention makes it possible to perform quick, steady, and uniform defrosting in accordance with the status of a vehicle. The present invention provides a vehicular air conditioner equipped with: a refrigerant circuit that c...
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WO/2022/194678A1 |
Disclosed herein is a heat recovery ventilation system (1) for a building comprising a heat recovery ventilation unit (10) with a heat exchanger (11), a supply air channel (20) being in fluidic connection with a supply air outlet (14) an...
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WO/2022/193807A1 |
A refrigerating and freezing apparatus and a defrosting control method therefor. The refrigerating and freezing apparatus comprises a first storage compartment, and a semiconductor refrigeration system used for adjusting the temperature ...
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WO/2022/195727A1 |
A heat source machine (10A) comprises a first compressor (1b), a first heat exchanger (7), a second heat exchanger (5), a liquid receiver (8), a four-way valve (4), and a flow path switching device (6). In a cooling mode, a first refrige...
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WO/2022/187416A1 |
A heat pump apparatus that transfers heat by circulating a refrigerant through a cycle of evaporation and condensation without the need to run a defrost cycle. The No-Frost Heat Pump (NFHP) comprises a four-way valve, a suction accumulat...
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WO/2022/176148A1 |
A refrigerant circuit (105) comprises a compressor (1), an outdoor heat exchanger (2), a throttle device (3), an indoor heat exchanger (4), and a four-way valve (5) and is configured to circulate a refrigerant. An inverter (20) is config...
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WO/2022/168046A1 |
Provided is a heating installation including an energy store including a latent heat energy storage medium, and a heat pump having a defrost cycle, the heating installation including a hot water supply system arranged to supply instantan...
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WO/2022/160767A1 |
A defrosting control method and apparatus for an air conditioning system, and the air conditioning system. The method comprises: when the air conditioning system runs in a heating mode, determining to trigger and enter a defrosting mode,...
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WO/2022/160764A1 |
A method and apparatus for defrosting control of an air-conditioning system, and an air-conditioning system. The method comprises: when an air-conditioning system operates in a heating mode, determining to trigger the air-conditioning sy...
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WO/2022/162931A1 |
One embodiment of this refrigeration cycle device comprises a temperature detection device attached to a heat exchanger, and a control unit that causes the refrigeration cycle device to execute a defrosting operation for removing frost p...
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WO/2022/162776A1 |
According to the present invention, when the current time is included in a predetermined time slot, a control device (3) initiates defrosting operation on the basis of the blow-out temperature of air in an indoor heat exchanger (21) and ...
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WO/2022/162730A1 |
A refrigeration device (100) comprises: a first refrigerant circuit (103) in which a first refrigerant circulates; a second refrigerant circuit (104) in which a second refrigerant circulates; and a four-way valve (7) that switches the ci...
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WO/2022/157489A1 |
The invention relates to apparatus and a method for the creation and provision of a cryogenic cooling environment for at least a predetermined period of time within a predefined volume in a first chamber with a heat exchanger. The appara...
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WO/2022/157821A1 |
This air conditioning device comprises a refrigerant circuit having a compressor, a high-pressure pipe through which high-pressure refrigerant discharged from the compressor flows, a low-pressure pipe through which low-pressure refrigera...
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WO/2022/151470A1 |
A heat pump defrosting control method and apparatus, a device, and a storage medium, relating to the technical field of heat pumps. The heat pump defrosting control method comprises: reading, in real time, flag bit values that respective...
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WO/2022/143415A1 |
A refrigerator, comprising a cooling loop. The cooling loop has a first flow path in which a compressor, a condenser, a capillary tube, and an evaporator are sequentially connected for circulating a refrigerant. The cooling loop comprise...
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WO/2022/144946A1 |
Reverse liquid defrosting system and method of a selected evaporator of a plurality of evaporators of a closed loop vapor cycle refrigeration system having a unique expansion device feeding all the evaporators in normal flow are provided...
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WO/2022/145131A1 |
This refrigerator is characterized by comprising a refrigerant circuit that has a first flow path that circulates a refrigerant and is connected to the following in the given order: a compressor that compresses the refrigerant; a condens...
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