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Matches 1 - 50 out of 8,306

Document Document Title
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,...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2022/143413A1
A refrigerator comprises a cooling circuit. The cooling circuit has a first flow path in which a compressor, a condenser, a capillary tube, and an evaporator are connected, and a refrigerant is circulated. The cooling circuit further com...  
WO/2022/145130A1
This refrigerator comprises a cooling circuit having a first flow path which interconnects a compressor for compressing refrigerant, a condenser for condensing the refrigerant, a capillary tube for expanding the refrigerant, and an evapo...  
WO/2022/134906A1
Provided are a multi-split air conditioner and a defrosting control method and apparatus therefor, and a storage medium. The method comprises: during a heating operation of a multi-split air conditioner, determining whether the multi-spl...  
WO/2022/118842A1
In the present invention, a temperature drop is suppressed in a usage-side heat exchanger during a defrost operation. The present invention comprises: a primary-side refrigerant circuit (5a) in which a primary-side refrigerant circulates...  
WO/2022/118856A1
A defrosting control system (100) comprises an acquisition unit (11), a setting unit (12), and an output unit (13). The acquisition unit (11) acquires schedule information regarding whether or not a temporary power saving request is sche...  
WO/2022/118841A1
The present invention ensures heat for defrosting a primary-side heat exchanger. The present invention is provided with: a primary-side refrigerant circuit (5a), which has a primary-side compressor (71), a cascade heat exchanger (35), a ...  
WO/2022/114618A1
A valve device comprises: a case having an open lower side and an accommodating space formed therein; a base plate covering the open lower side of the case; an inlet pipe which is connected to the base plate and through which refrigerant...  
WO/2022/114936A1
A valve device comprises: a case having an open lower portion and a receiving space formed therein; a base plate covering the open lower portion of the case; an inlet pipe which is connected to the base plate and into which a refrigerant...  
WO/2022/110761A1
An air conditioner, comprising: an indoor unit and an outdoor unit. The outdoor unit comprises: a compressor (1); a flow path throttling apparatus (3); a first control valve (18), which is connected in parallel to the flow path throttlin...  
WO/2022/112001A1
The invention relates to a method for detecting soiling of a condenser of a refrigeration device, in particular a domestic refrigeration appliance. The condenser is part of a refrigerant circuit of the refrigeration device, in which refr...  
WO/2022/111035A1
Disclosed by the present application are a refrigerator refrigeration system and a refrigerator defrosting method. The refrigerator refrigeration system comprises a refrigerant circulation flow path, and a compressor, a condenser, a thro...  
WO/2022/100749A1
Disclosed in the present application are a refrigeration system for a refrigerator and a defrosting method for a refrigerator. In the refrigeration system for a refrigerator, a refrigerant circulation flow path is formed; a compressor, a...  
WO/2022/089687A1
The invention relates to a heat pump comprising a refrigerant circuit (1) for a refrigerant, a refrigerant collector (2) that belongs to the refrigerant circuit (1) and through which the refrigerant flows, an expansion device (3) through...  
WO/2022/083288A1
Disclosed is a carbon dioxide heat pump evaporator, comprising lateral evaporators having defrosting water flow channels formed thereon, an evaporator tray which is arranged at the bottoms of the lateral evaporators and is used for suppo...  
WO/2022/071068A1
Provided is a heat capacity estimation system that allows a reduction in the time required for defrost operation. A heat capacity estimation system (200) estimates the heat capacity of a predetermined portion of a refrigerant cycle devic...  
WO/2022/070644A1
A refrigeration cycle of the refrigerator according to the present disclosure is branched, on the downstream side of a first condenser, into a cooling path by which refrigerant is supplied to an evaporator in order to produce cool air an...  
WO/2022/068281A1
The present invention relates to the technical field of air conditioners. Specifically provided are an air conditioning system and a defrosting control method therefor, and a storage medium and a control apparatus. The air conditioning s...  
WO/2022/070643A1
A refrigeration cycle of a refrigerator according to the present disclosure branches into a cooling path, which supplies a refrigerant to an evaporator in order to generate cold air on the downstream side of a first condenser, and a defr...  
WO/2022/070645A1
A refrigeration cycle of this refrigerator is branched, on the downstream side of a first condenser, into a cooling passage in which a refrigerant is supplied to an evaporator in order to generate cold air and a defrosting passage in whi...  
WO/2022/069581A1
A heat pump system for controlling the internal temperature of a building. The system comprises a compressor, a first heat exchanger, an expansion device and a second heat exchanger which are fluidly coupled together by a flow of refrige...  
WO/2022/064880A1
In the present invention, the following are provided: a heat dissipation unit (12) that dissipates the heat of a refrigerant discharged from a compressor (11); a pressure reducing unit (16) that reduces the pressure of the refrigerant, t...  
WO/2022/044440A1
This refrigeration cycle system comprises a plurality of refrigeration cycle devices and a processing device that communicates with the plurality of refrigeration cycle devices. Each of the plurality of refrigeration cycle devices has re...  
WO/2022/044439A1
A refrigeration cycle device according to the present disclosure comprises a first heat exchanger, a compressor, a second heat exchanger, and an expansion mechanism and has: a refrigerant pipe that connects the first heat exchanger, the ...  
WO/2022/044438A1
A refrigeration cycle device according to the present disclosure comprises a first heat exchanger, a compressor, a second heat exchanger, and an expansion mechanism and has: a refrigerant pipe that connects the first heat exchanger, the ...  
WO/2021/255816A1
Provided is an air conditioner capable of outside air defrosting operation with outside air and maintenance of heating capacity even if the temperature of the outside air is lower than the freezing point. In the defrosting operation mo...  
WO/2021/245791A1
A cooling device (100) comprises: a compressor (1); a heat exchanger (10) that exchanges heat between the refrigerant discharged from the compressor (1) and water; a condenser (21) that condenses the refrigerant that has passed through t...  
WO/2021/245792A1
This cooling device (100) comprises: an evaporator (41); a sensor (51, 52) that acquires a parameter indicating a heat exchange performance of the evaporator (41); a cleaning device (5) that cleans the evaporator (41); and a control devi...  
WO/2021/245795A1
This refrigeration cycle device comprises: a compressor; an air heat exchanger; a use heat exchanger; a first refrigerant flow passage that connects the use heat exchanger to a discharge path; a second refrigerant path that connects the ...  
WO/2021/245958A1
A refrigeration cycle device is provided with: a compressor; an air heat exchanger; a utilization heat exchanger; a first refrigerant channel connecting the utilization heat exchanger to a discharge channel; a second refrigerant channel ...  
WO/2021/227851A1
A defrosting control method for an air conditioning unit. The air conditioning unit comprises an outdoor unit. The defrosting control method comprises: obtaining the outdoor dry-bulb temperature and the outdoor wet-bulb temperature, and ...  
WO/2021/231092A1
The disclosed technology includes systems and methods of reducing frost accumulation on a heat pump evaporator coil. The disclosed technology can include a heat pump assembly having an evaporator coil, a fan configured to direct air acro...  
WO/2021/228096A1
The present invention relates to an automatic spraying water-curtain evaporative cooling heat exchanger, and a heat pump module unit. The evaporative cooling heat exchanger comprises a plurality of heat exchange plates, wherein each of t...  
WO/2021/227365A1
The present disclosure relates to an anti-freezing method for a heat pump unit of a water system, an anti-freezing system, and a heat pump unit of a water system. The anti-freezing method comprises the following steps: determining whethe...  
WO/2021/218350A1
The present invention relates to the field of air conditioning. The present invention aims to solve the problem of poor heating effect of indoor units during defrosting of outdoor heat exchangers of air conditioning units. For this purpo...  
WO/2021/213080A1
An air conditioner and a defrosting control method thereof. The control method comprises the following steps: measuring an outdoor ambient temperature T; if the outdoor ambient temperature T is less than or equal to a first preset value ...  
WO/2021/208420A1
A method of operating an air conditioner unit(10), as provided herein, includes initiating a first heat pump cycle, the first heat pump cycle comprising sending a control signal to the fan(33) to rotate at a predetermined rotational spee...  
WO/2021/208584A1
The present invention relates to air conditioning technology, and specifically provides an air-cooled heat pump air conditioning system for efficient heat production, which aims to solve the problem of uneven distribution of refrigerants...  
WO/2021/208660A1
An air conditioner defrosting control method and device, and a storage medium and an air conditioner. The control method comprises: when an air conditioner meets a defrosting condition and enters a defrosting mode, setting, according to ...  
WO/2021/185475A1
The invention relates to a method (500) for defrosting an external heat exchanger (18), which is operated as an air heat pump evaporator, of a cooling system (10) for a motor vehicle, the cooling system (10) comprising: a coolant compres...  

Matches 1 - 50 out of 8,306