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WO/2021/161456A1 |
This refrigeration cycle device comprises: a refrigerant circuit which is formed from a compressor, a condenser, a decompression device, and an evaporator being connected by piping and circulates a refrigerant, the evaporator having a pl...
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WO/2021/156964A1 |
An air conditioner according to the present invention comprises a refrigerant circuit in which a compressor, a refrigerant circuit flow path switching device, a heating medium heat exchanger, an expansion valve, and an air heat exchanger...
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WO/2021/157815A1 |
Provided is an air conditioning apparatus. The air conditioning apparatus includes an outdoor unit through which a refrigerant is circulated, an indoor unit through which water is circulated, and a heat exchange device including a heat e...
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WO/2021/134959A1 |
Disclosed are an air conditioner, and a method and device for controlling defrosting of the air conditioner. The air conditioner comprises a compressor (1) and a four-way valve (12) connected to an exhaust port of the compressor (1), whe...
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WO/2021/130952A1 |
This heat exchanger comprises: a heat exchange unit having a plurality of heat exchanger tubes that circulate first heat exchange fluid and are spaced apart from each other; and a removal device that moves between adjacent heat exchanger...
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WO/2021/122773A1 |
The present invention relates to a method of preparing an apparatus (or a plant comprising multiple apparatuses), for example a heat exchanger, an evaporator or a distillation column, for use in a process (especially one operated continu...
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WO/2021/126325A1 |
The present invention provides a system and method for an improved multistage, cascade refrigeration system using hot gas defrost to rid the evaporator of ice build-up which accumulates over time, while the air in the evaporator enclosur...
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WO/2021/123544A1 |
Disclosed is a method for defrosting a thermal regulation circuit for a vehicle, in particular for a motor vehicle, the thermal regulation circuit being provided with a refrigerant circulation loop comprising a first heat exchanger (2), ...
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WO/2021/119612A1 |
Some embodiments include a control bypass system for industrial cold storage facilities. In some embodiments, the control bypass system includes a cloud scheduler and a bypass controller. The cloud scheduler may be located in a remote lo...
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WO/2021/114750A1 |
A highly reliable switching valve and a refrigerator. The switching valve comprises: a valve seat (1), a rotating sliding block (2) and a driving mechanism. In a first working position, both a first guide outlet (15) and a second guide o...
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WO/2021/111560A1 |
This refrigeration cycle device (1) comprises: a plurality of evaporators (51, 52); at least one image-capturing device (61, 62) for capturing images of the plurality of evaporators (51, 52); and a control device (100) which executes, on...
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WO/2021/093228A1 |
A heat pump system (100) and a control method for the heat pump system. The heat pump system (100) comprises a compressor (110), an oil separator (120), a cold-medium heater (130), a controller, and a temperature sensor (153) used to mea...
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WO/2021/093227A1 |
A heat pump system and an anti-dry-heating control method. A cold-medium heater (130) of the heat pump system (100) is connected in between a compressor (110) and an oil separator (120). The anti-dry heating control method comprises: sta...
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WO/2021/094787A1 |
A heat pump system with a refrigerant flow path comprising, in the heating mode of operation: a compressor coupled to receive refrigerant from a heating mode first refrigerant stream and a heating mode second refrigerant stream of the re...
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WO/2021/095422A1 |
A control device (C) that controls a refrigerant circuit (11) and a blower (52) and performs a first operation and a second operation. The first operation generates condensation or ice, using a usage heat exchanger (53) as an evaporator....
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WO/2021/095124A1 |
This refrigeration cycle device includes: a compressor; an expansion valve; a load-side heat exchanger; a flow path switching device; a heat source-side heat exchanger including a first heat source-side heat exchanger and a second heat s...
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WO/2021/095423A1 |
The present invention is provided with a control unit (C) that controls a refrigerant circuit (11) and a blower (52) so as to sequentially perform first operation, second operation, and third operation. The first operation is an operatio...
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WO/2021/088202A1 |
An intelligent defrosting control method and control system for a heat pump system. The heat pump system comprises two sub-systems, which share a water-side heat exchanger. When one of the sub-systems is controlled to perform defrosting,...
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WO/2021/082330A1 |
The present invention relates to the technical field of heat exchange, and in particular, provides a heat-source tower heat exchange system and a defrosting control method therefor. The present invention aims at solving the problem of a ...
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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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