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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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) ...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 (...
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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...
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WO/2018/229864A1 |
This air conditioning device comprises: a primary circuit in which a compressor, a condenser, a limiting device, an evaporator, and an accumulator are sequentially connected, and in which a zeotropic mixture refrigerant containing a firs...
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WO/2018/230241A1 |
[Problem] To provide an air-conditioning device for vehicles capable of both reducing the defrosting time of an external heat exchanger and maintaining comfort in the vehicle cabin. [Solution] An air-conditioning device for vehicles is p...
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WO/2018/211888A1 |
The purpose of the present invention is to provide a control device capable of inhibiting long-term continuation of a defrost operation, a vehicular air conditioning system, a method for controlling the vehicular air conditioning system,...
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WO/2018/210364A1 |
The invention relates to a heat exchange module (10) for exchanging heat between different fluids, the heat exchange module (10) comprising at least two outer fluid portions (16a, 16b) and at least one inner fluid portion (26) positioned...
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WO/2018/211957A1 |
Provided is a vehicle air-conditioning device which is capable of inhibiting a reduction in operation efficiency following frost formation in an outdoor heat exchanger, while comfortably heating and air-conditioning the inside of a vehic...
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WO/2018/205388A1 |
A control device for an air conditioner comprises: a detecting module (10) comprising at least one sensing assembly (101), each sensing assembly (101) being disposed on heat sink fins or coils of an indoor heat changer of the air conditi...
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WO/2018/208308A1 |
A cooling system and a related method is presented. The cooling system includes a reservoir configured to selectively supply a cooling fluid; a circulation loop fluidly coupled to the reservoir, and configured to circulate the cooling fl...
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WO/2018/201851A1 |
A split heat pump air conditioner comprises a controller (10) and an outdoor unit having a compressor (20) and an outdoor heat exchanger (40). The outdoor heat exchanger (40) has a gas flow port (41) communicating, via a four-way valve (...
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