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Matches 1 - 50 out of 10,621

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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) ...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2019/082599A1
A refrigeration system (1) forms a warehouse by connecting a plurality of containers (1A-1C) each provided with a refrigeration device (20). The refrigeration system includes a first communication unit (52), a second communication unit (...  
WO/2019/078247A1
An air-conditioning apparatus includes: a first heat source device configured to transfer heat to process air using as a heat source a vapor-compression refrigeration cycle; a second heat source device configured to transfer heat to the ...  
WO/2019/073621A1
An air-conditioning device comprising: a main circuit in which a compressor, a load-side heat exchanger, a first decompression device, and a plurality of parallel heat exchangers are connected by means of piping; bypass piping for divert...  
WO/2019/072177A1
An air conditioner and a defrosting control method therefor, the control method comprises: setting a defrosting duration for a defrosting process according to the accumulated defrosting frequency of an air conditioner; according to a hea...  
WO/2019/064248A1
A heat pump unit and methods for operating the heat pump unit are provided. The heat pump unit includes a compressor (101), a throttling device (107), a first heat exchanger (104), a second heat exchanger (102), a third heat exchanger (1...  
WO/2019/049636A1
Provided is a vehicular air conditioning device that can preemptively avoid unnecessary defrosting of an outside heat exchanger. A refrigerant discharged from a compressor 2 is made to release heat in a radiator 4, and, after the refrige...  
WO/2019/031561A1
Provided is a refrigeration device in which a defrosting operation can be made less likely to be executed in a situation favorable for continuous execution a heating operation or in a situation where continuous execution of a heating ope...  
WO/2019/031131A1
A refrigeration cycle device (10) includes: a first heat exchange unit (20) that heats a fluid for heat exchange using a high-pressure refrigerant discharged from a compressor (11) as a heat source; a decompression valve (13) that decomp...  
WO/2019/017149A1
Provided is a vehicular air conditioning device capable of suppressing, by means of a relatively simple control, a decrease in comfort in a vehicle cabin and a decrease in an operation efficiency due to frost formation on an outdoor heat...  
WO/2019/015444A1
A defrosting control method for a multi-split system. A mutli-split system comprises an outdoor unit and multiple indoor units. An expansion valve is provided on a connecting pipeline between each of the indoor units and the outdoor unit...  
WO/2019/018187A1
A method and system of activating a fan for an air conditioning system is disclosed. Upon the sensing of rain in the proximity of the air conditioning system, such as a condenser, a fan is activated. The fan is configured to drive air an...  
WO/2019/017105A1
This vehicle-mounted refrigeration apparatus (10) is mounted to a vehicle (1) which can be set to a specific driving mode in which driving systems (6, 8) perform at least a driving operation related to acceleration instead of a driver. T...  
WO/2019/008664A1
Provided is a refrigeration cycle device wherein each of a plurality of sets of air heat exchangers is a set of one or more stand-alone heat exchangers. The stand-alone heat exchanger has an upper header pipe, a lower header pipe, heat t...  
WO/2019/008742A1
This refrigeration cycle device is provided with an indoor heat exchanger (220), water heat exchanger (20), pump (WP), outdoor heat exchanger (40), compressor (10), expansion valve (30), four-way valve (91), third pipe (62), and on-off v...  
WO/2019/008744A1
In this refrigeration cycle device, a heating operation and a defrosting operation are performed. In the defrosting operation, a refrigerant is circulated in a direction reverse to the direction in which the refrigerant is circulated in ...  
WO/2019/010171A1
A refrigeration system and a start control method for a refrigeration system. The refrigeration system includes: a refrigeration loop having an exhaust port of a compressor, a condenser, a throttle element, an evaporator, and a suction p...  
WO/2019/007376A1
An air conditioner defrosting control method. An air conditioner has a heating mode and a defrosting mode, activated if a preset trigger condition is satisfied when the air conditioner operates in the heating mode. The control method com...  
WO/2019/003291A1
An air conditioner (201) comprises a switching valve (202), a flow rate limiting unit (104), and an on-off valve (204). The switching valve (202) is provided in a channel between a compressor (10) and an outdoor heat exchanger (40). The ...  
WO/2019/003694A1
This air conditioning device is provided with an indoor condenser (12), an outdoor heat exchanger (16), an indoor evaporator (18), refrigerant circuit switching devices (15b, 21, 22), an auxiliary heating device (70), an air passage form...  
WO/2018/233259A1
An electric vehicle heat pump air conditioner assembly and a control method thereof, and an electric vehicle having the electric vehicle heat pump air conditioner assembly. The heat pump air conditioner assembly comprises a heat pump air...  
WO/2018/233457A1
An air conditioner and a defrosting method for an outdoor unit thereof. After an air conditioner enters an outdoor unit defrosting mode, a throttling device (500) is controlled to reduce the flow rate of a refrigerant at an outlet of an ...  
WO/2018/227964A1
A water heater and a control method therefor. The water heater comprises a compressor (10), a four-way valve (12), a three-way valve (14), a first heat exchanger (16), a first fan assembly (18), a second fan assembly (22), a water tank (...  
WO/2018/229826A1
This refrigeration cycle device comprises a refrigerant circuit which circulates a non-azeotropic refrigerant and in which a compressor, a condenser, an expansion valve, an evaporator, and an accumulator are connected in series with pipi...  

Matches 1 - 50 out of 10,621