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WO/2020/211184A1 |
A refrigeration system, comprising an evaporator (1), a condenser (2), a throttling device (3), a compressor (4), an economizer (5) and an ejector (6), these devices together constituting a closed-loop refrigerant circulation loop, the e...
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WO/2020/208736A1 |
This refrigeration cycle device is provided with: a refrigerant circuit in which a compressor, a refrigerant flow passage switching device, a first heat exchanger, a first depressurizing device, a refrigerant container, a second depressu...
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WO/2020/208805A1 |
This air-conditioning device comprises: a heat-source-side unit; a plurality of load-side units; a repeater that distributes the heat source generated by the heat-source-side unit to the plurality of load-side units; a first refrigerant ...
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WO/2020/208751A1 |
The purpose of the present invention is to provide an air conditioning device with which air conditioning efficiency can be improved as a result of a heat source device executing an operation on the basis of instruction information gener...
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WO/2020/208752A1 |
An outdoor unit (2) comprises: a compressor (10); a condenser (20); a heat exchanger (30) that exchanges heat between a refrigerant flowing through a first passage (H1) and a refrigerant flowing through a second passage (H2); and a secon...
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WO/2020/202466A1 |
A heat source-side unit (100A) is connected to a load-side unit (200A) and forms a refrigeration cycle device that circulates a refrigerant including trifluoroiodomethane (CF3I). An injection circuit (4) causes some of the refrigerant th...
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WO/2020/202553A1 |
In a refrigeration cycle apparatus (100) according to the present invention, the circulation direction of a refrigerant is switched between a first circulation direction and a second circulation direction inverse to the first circulation...
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WO/2020/203977A1 |
Provided is a performance degradation diagnosis system for a refrigeration cycle device capable of accurately identifying a cause of performance degradation. A performance degradation diagnosis system (200) is a performance degradation d...
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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/2020/203151A1 |
This air conditioner (1) has a heat pump cycle (10), a heating unit (20), a low temperature-side heating medium circuit (30), and a heat radiation amount adjustment control unit (50a). The heat pump cycle has a compressor (11), a condens...
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WO/2020/201116A1 |
The invention relates in particular to a refrigeration circuit (30) with heat energy accumulation with vapor compression comprising an energy accumulator (44) arranged at a greater height than that of an evaporator (38) of the refrigerat...
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WO/2020/202555A1 |
A refrigerant circuit (80) includes a compressor (1), a higher-voltage-side heat exchanger (2), a decompression device (3), and a lower-voltage-side heat exchanger (4), which are connected by means of a refrigerant pipe (81) so as to for...
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WO/2020/202424A1 |
An air conditioner that comprises a compressor, an outdoor heat exchanger that functions as a condenser during cooling operations, an outdoor blower that supplies outdoor air to the outdoor heat exchanger, an indoor heat exchanger that f...
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WO/2020/200491A1 |
The invention relates to a water-based refrigerant for a thermal working machine. The refrigerant according to the invention for a thermal working machine (150), which machine has an evaporator (A), a condenser (B), a compressor (CGL) an...
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WO/2020/202492A1 |
A heat exchanger comprising: a plurality of fins arranged in a line; and a tube inserted in the fins and having a refrigerant flowing therethrough. The tube has: a first heat transfer pipe that has grooves formed on the inner surface the...
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WO/2020/203707A1 |
A refrigerant circuit (20) has a first compressor (21), a second compressor (22), a heat-source-side heat exchanger (24), an expansion mechanism (26), and a use-side heat exchanger (27). An injection circuit (30) supplies, to the suction...
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WO/2020/202465A1 |
This air conditioner is provided with: a first indoor unit that constitutes a single refrigeration cycle; and an outdoor unit that is connected to the first indoor unit via a first refrigerant pipe and constitutes the single refrigeratio...
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WO/2020/203150A1 |
This refrigeration cycle device comprises a heat pump cycle (10), a high-temperature-side heat medium circuit (21), and a low-temperature-side heat medium circuit (30). The heat pump cycle has a compressor (11), a high-temperature-side h...
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WO/2020/202991A1 |
Provided is a heat-transfer tube for evaporators that is capable of improving heat transmission performance in a tube outer surface. A heat-transfer tube (9a) for cold water is provided with: a body tube part (9b) in which cold water is ...
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WO/2020/204145A1 |
The purpose of the present invention is to quickly and easily attach/detach a member for housing a cold storage material to/from the heat exchange portion of a heat exchanger. A cold storage unit (10) comprises: a casing (11) that is for...
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WO/2020/202519A1 |
This refrigeration cycle device comprises: a refrigerant circuit which is formed from a compressor, a heat source side heat exchanger, an expansion unit, a use-side heat exchanger, and an accumulator being connected by refrigerant pipes;...
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WO/2020/202763A1 |
According to the present invention, switching mechanisms (TV1, TV2, TV3, TV4, FV) have an electric motor (74), a channel switching part (71) that is driven by the electric motor (74), a first port (P1) that connects to a high-pressure ch...
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WO/2020/203708A1 |
A refrigerant circuit (20) has a first compressor (21), a second compressor (22), a heat-source-side heat exchanger (24), an expansion mechanism (26), and a use-side heat exchanger (27). The refrigerant circuit (20) is capable of single-...
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WO/2020/204677A1 |
The present invention relates to evaporation gas compression equipment. Specifically, according to an embodiment of the present invention, the evaporation gas compression equipment may comprise: a rotation shaft member including a first ...
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WO/2020/196509A1 |
This heat transportation system is for transporting, to electrical devices (33-35), coldness of a refrigerant circulating in a refrigeration cycle device (10). This heat transportation medium is used in the heat transportation system. Th...
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WO/2020/194527A1 |
An outdoor unit (100) of a refrigeration cycle device (200) using a non-azeotropic mixed refrigerant containing a high boiling point refrigerant and a low boiling point refrigerant is connected to an indoor unit (110) that has an evapora...
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WO/2020/195816A1 |
Provided is a turbo refrigerator capable of suppressing air loss generated in a rotary shaft of a turbo compressor and acquiring a cooling amount necessary for cooling magnetic a bearing which supports the rotary shaft. A turbo compresso...
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WO/2020/194677A1 |
The purpose of the present invention is to provide a refrigeration cycle device such that it is possible to suppress freezing of a lower portion of a heat exchanger where drain water tends to accumulate, and reduce the amount of refriger...
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WO/2020/198597A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a refrigerant loop having a compressor configured to circulate a refrigerant therethrough, a motor configured to drive rotation of the compressor, wh...
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WO/2020/194945A1 |
Provided is a refrigeration cycle device that is capable of preventing a degradation in the efficiency of an expander while maintaining the efficiency of a refrigeration cycle even when using a low-pressure refrigerant such as HFO-1233zd...
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WO/2020/194655A1 |
This air conditioner comprises: a refrigerant circuit in which a refrigerant circulates sequentially in a refrigeration cycle through a compressor, a condenser, an expansion valve, and an evaporator; and a control unit that controls at l...
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WO/2020/196565A1 |
This air conditioning device (200) comprises a dryness calculation unit (250) that calculates the degree of dryness of a refrigerant flowing into a lower-side heat exchanger (indoor heat exchanger (31) during a cooling operation, outdoor...
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WO/2020/189203A1 |
The present invention facilitates determination of the amount of refrigerant. Provided is a refrigerant amount estimation device which estimates the amount of refrigerant in an air conditioner in which a compressor, a heat source side he...
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WO/2020/188756A1 |
The purpose of the present invention is to provide an air conditioner that reduces the retained quantity of refrigerant in liquid-side connection piping and makes it possible to contribute to a reduction in the amount of refrigerant used...
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WO/2020/183443A1 |
Provided are: a heat pump for refrigeration equipment, said heat pump being capable of rapidly cooling antifreeze for refrigeration equipment to an ultra-low temperature region of -40°C or less without causing oil in the heat pump to ru...
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WO/2020/185860A1 |
A compressor includes a shell, first and second scroll members, a fitting assembly and a valve assembly. The first scroll member includes a first end plate having a first spiral wrap extending therefrom. The second scroll member includes...
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WO/2020/182445A1 |
The invention relates to a refrigerant circuit, a method for operating a refrigerant circuit, a heat pump comprising a refrigerant circuit of the above type, and a heat transfer method by means of such a refrigerant circuit or by means o...
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WO/2020/183743A1 |
The purpose of the present invention is to suppress flowing current particularly in a high-load operation region in order to deal with an operation region spanning a wide range, and improve the efficiency of the system. The present inven...
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WO/2020/183631A1 |
An information processing device having: a thermal load learning means that finds a thermal load formula to calculate a thermal load when a fixed amount of time has passed from the present time by using learning data for a thermal load i...
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WO/2020/184146A1 |
[Problem] To provide a vehicle air conditioner capable of improving air conditioning performance inside a passenger compartment by using a vehicle cooling system. [Solution] This vehicle air conditioner 1 performs air conditioning inside...
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WO/2020/183560A1 |
The purpose of the present invention is to provide a refrigeration cycle device capable of optimally controlling its capacity. A refrigeration cycle device according to the present invention comprises: a compressor (3) having a variable ...
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WO/2020/179492A1 |
[Problem] To provide a vehicle air conditioner which can achieve a target blow-out temperature while preventing an increase in power consumption of a compressor in a dehumidification heating mode. [Solution] The present invention include...
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WO/2020/179825A1 |
An air conditioning device of the present invention comprises: a plurality of use-side units (3a, 3b, 3c, 3d) having a first refrigerant circuit; a heat source-side unit (2) having a second refrigerant circuit; a communication pipe group...
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WO/2020/179005A1 |
A refrigeration cycle device equipped with: a compressor that has an injection port and that discharges a compressed refrigerant; an air heat exchanger for exchanging heat between air and the refrigerant; a first expansion valve; a water...
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WO/2020/179827A1 |
This design assisting system (300) comprises an information acquisition unit (312) and a useful information presentation unit (318). The information acquisition unit (312) acquires information pertaining to the position of a relay unit s...
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WO/2020/179826A1 |
An air conditioner includes: a plurality of use-side units each having a first refrigerant circuit; a heat-source-side unit having a second refrigerant circuit; a communication pipe group; and a relay unit. The communication pipe group c...
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WO/2020/179015A1 |
This refrigeration cycle device (100) is provided with a compressor (1), a first heat exchanger (3a), a second heat exchanger (3b), a third heat exchanger (5), a first expansion valve (4a) and a first switching unit (7). The first switch...
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WO/2020/174677A1 |
In the present invention, a refrigerant circuit (80) includes a compressor (1), a high-pressure side heat exchanger (2), a decompression device (3), and a low-pressure side heat exchanger (4) that are connected in a circular manner by a ...
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WO/2020/174619A1 |
An air conditioning device according to the present invention constitutes: a primary-side circuit in which a compressor, a first flow path switching device, an outdoor heat exchanger, a second flow path switching device, a first limiting...
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WO/2020/174618A1 |
This air-conditioning device comprises: a heat source unit that produces positive thermal energy or negative thermal energy and allows a refrigerant to transfer same; a heat utilization unit that performs heat exchange with the positive ...
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