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WO/2021/077915A1 |
A continuous heating control system and method, and an air-conditioning device. The system comprises a defrosting solenoid valve (1) arranged on a bypass pipeline, wherein one end of the bypass pipeline is connected to an oil separator (...
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WO/2021/075013A1 |
This air conditioner equipped with a compressor comprises: an outdoor air temperature sensor that detects the outdoor air temperature; a suction pipe temperature sensor that detects the suction pipe temperature of a suction pipe that is ...
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WO/2021/073034A1 |
Provided are a VRF defrost method, a device, a VRF system, and a readable storage medium. Said method comprises: determining a power on/off state of indoor units (S10), the power on/off state comprising a power-off state; acquiring capab...
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WO/2021/065397A1 |
This solid-state refrigeration device comprises an operation switching mechanism (15,100) that switches between heating operation, in which the heat medium heated by a solid-state cooling unit (20) is caused to release heat through a fir...
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WO/2021/059985A1 |
This solid-state refrigeration device comprises a heat storage unit (13, 16) that stores heat during heating operation. During defrosting operation, the heat stored in the heat storage unit (13, 16) is used to melt the frost in a second ...
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WO/2021/053710A1 |
The purpose of the present invention is to provide an air conditioner and a control method which can prevent defrosting operation from applying an excessive load on a compressor. This air conditioner has multiple outdoor units, one or mo...
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WO/2021/053821A1 |
This air conditioner comprises: a four-way valve having first to fourth ports; a first three-way valve and a second three-way valve each having fifth to seventh ports and a closed eighth port; a compressor; an indoor heat exchanger; an e...
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WO/2021/053820A1 |
An air conditioner comprising a compressor, an indoor heat exchanger, and an outdoor heat exchanger, wherein: the outdoor heat exchanger includes first and second heat exchangers; a controller serves to perform a heating operation, in wh...
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WO/2021/052193A1 |
The present invention relates to the technical field of air-conditioners, in particular to a method for controlling the balanced frosting of outdoor units in a multi-split air-conditioning system. The present invention aims to solve the ...
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WO/2021/048897A1 |
A refrigeration cycle device (100), wherein a non-azeotropic mixed refrigerant circulates. The refrigeration cycle device (100) comprises a compressor (1), a first heat exchanger (2), an expansion valve (3), a second heat exchanger (4), ...
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WO/2021/036872A1 |
Provided are an air conditioning heating control method, device, air conditioner, and storage medium. The heating control method comprises: determining that a first temperature difference between an initial first temperature of an outer ...
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WO/2021/036781A1 |
A multi-split air conditioning system, comprising a first heat exchanging coiled pipe (101), a second heat exchanging coiled pipe (201), and multiple indoor units (3). Refrigerants having different temperatures flow in the first heat exc...
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WO/2021/038660A1 |
This air conditioner comprises: a refrigerant circuit for circulating a refrigerant, the refrigerant circuit having a compressor that compresses and discharges the refrigerant, a flow path switching device that is connected to the refrig...
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WO/2021/030577A1 |
Disclosed herein are biocontrol compositions against plant fungal pathogens and methods of use thereof for the prevention or reduction of crop loss or food spoilage.
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WO/2021/024404A1 |
Provided is a chilling unit comprising: an upstream system circuit having a first refrigerant circuit and a second refrigerant circuit; a downstream system circuit having a third refrigerant circuit and a fourth refrigerant circuit; a he...
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WO/2021/023428A1 |
Disclosed is a refrigeration and/or liquefaction method using a system that includes a low-temperature refrigeration device (1) comprising a working circuit (10) which forms a loop and contains a working fluid, the working circuit (10) f...
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WO/2021/023457A1 |
The invention relates to a method for cooling and/or liquefying a user fluid flow, the method using a cooling and/or liquefying system comprising a low-temperature refrigeration device (1), the refrigeration device (1) comprising a worki...
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WO/2021/023458A1 |
Disclosed is a low-temperature refrigeration device comprising a working circuit (10) that forms a loop and contains a working fluid, the device (1) further comprising a cooling exchanger (8) for extracting heat from at least one member ...
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WO/2021/018314A1 |
Disclosed in the present application are a CO2 heat pump system and a defrosting control method therefor, comprising a CO2 refrigerant circulation path and a water supply circulation path. The CO2 refrigerant circulation path comprises, ...
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WO/2020/182462A9 |
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...
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WO/2021/017248A1 |
An electromagnetic heating apparatus, comprising: an alternating body (21), configured to generate an alternating magnetic field when being electrified with an alternating current; and a magnetic force receiving body (22) configured insi...
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WO/2021/019770A1 |
A refrigerator (100) comprises a refrigerant circuit which includes a compressor (1), a condenser (2), a throttle device (3), an evaporator (4), and a double pipe (11) and in which refrigerant circulates through the compressor, condenser...
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WO/2021/014640A1 |
The present invention provides a refrigeration cycle device including: a compressor; an indoor heat exchanger; an outdoor heat exchanger including a first outdoor heat exchanger and a second outdoor heat exchanger; a bypass flow passage ...
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WO/2021/014520A1 |
An air-conditioning device according to the present invention is provided with: a main circuit in which a compressor, a refrigerant channel switching device, a load-side heat exchanger, a load-side throttle device, a first heat-source-si...
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WO/2021/014526A1 |
[Problem] To provide a defrost system that can satisfactorily defrost without the introduction of a brine circuit and that can prevent the formation of icicles in a casing. [Solution] A defrost system 20 comprises: a thermosiphon defrost...
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WO/2021/009924A1 |
An air conditioning device (100) includes a first cycle unit (1), a second cycle unit (2), and a control device (3). In the first cycle unit (1), a first refrigerant circulates through a compressor (11), a first heat exchanger (13), a de...
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WO/2021/001869A1 |
This air conditioning device comprises a relay that has a first decompression device. The relay has a flow path switching valve that is provided to first refrigerant piping connected between a compressor and a load-side heat exchanger, a...
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WO/2021/001969A1 |
A control device (100) controls a heating capacity during a heating operation and a defrost capacity during a defrost operation. The control device (100) determines the defrost capacity in the defrost operation of a first refrigeration c...
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WO/2020/256587A1 |
The present invention relates to means for removing condensate from heat-exchange apparatuses, more specifically from refrigerating and ventilating plants, from conditioners, heat pumps and recuperators. The technical problem, the soluti...
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WO/2020/255192A1 |
The refrigeration circuit device comprises: a first channel switching valve that has first to fourth ports; a second channel switching valve and a third channel switching valve that each have fifth to seventh ports; a compressor; a disch...
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WO/2020/248414A1 |
A multi-split air conditioner and a method for controlling the self-cleaning of same; the multi-split air conditioner comprises an outdoor unit and an indoor unit group, and the indoor unit group comprises a first indoor unit and at leas...
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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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