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WO/2022/249386A1 |
This refrigeration cycle device comprises an outdoor unit and an indoor unit, and carries out a pump-down operation for recovering the refrigerant in the indoor unit to the outdoor unit. The refrigeration cycle device also comprises: a c...
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WO/2022/249565A1 |
Provided is a refrigeration apparatus capable of stably operating while improving the efficiency of a refrigeration cycle.　The refrigeration apparatus is provided with a compression section including three or more stages of compression...
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WO/2022/249387A1 |
A refrigerant leakage determination device (300) comprises a refrigeration cycle device (100), a connection device (105A, 105B), and a control device (200). The refrigeration cycle device (100) is configured from an indoor unit (100A) an...
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WO/2022/249288A1 |
This refrigeration cycle device comprises: a control unit; a low-stage compressor that compresses refrigerant from a first pressure to an intermediate pressure higher than the first pressure; a high-stage compressor that compresses the i...
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WO/2022/249289A1 |
This refrigeration cycle device comprises: a control unit; a compressor that compresses a refrigerant from a first pressure to a second pressure higher than the first pressure; a condenser that performs heat exchange between the refriger...
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WO/2022/249424A1 |
This refrigeration cycle system comprises a plurality of refrigeration cycle devices, and a heat transfer medium system for supplying a heat transfer medium to the plurality of refrigeration cycle devices. The refrigeration cycle device ...
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WO/2022/249394A1 |
A refrigeration cycle device (100) comprises: a refrigerant circuit (80); and a non-azeotropic refrigerant, which flows through refrigerant pipes (51-56). When the non-azeotropic refrigerant passes through an outdoor heat exchanger (40),...
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WO/2022/244192A1 |
A refrigeration cycle apparatus (100) is provided with: a compressor (1) for compressing a refrigerant; an oil separator (2) for separating a refrigerating machine oil from the refrigerant discharged from the compressor (1); an oil feedi...
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WO/2022/244619A1 |
A cooling unit 1a comprises a two-stage compressor 2a, a gas cooler 3, an intercooler 6, a first pressure reducer 4 disposed upstream of the intercooler, a second pressure reducer 7 disposed downstream of the intercooler, a vaporizer 8, ...
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WO/2022/244098A1 |
This refrigeration cycle device comprises: an upstream circuit in which an upstream compressor, an upstream condenser, an upstream expansion valve, and an upstream flow path of a cascade heat exchanger are connected by piping to circulat...
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WO/2022/239836A1 |
This electric compressor control device comprises: a control unit of an inverter which controls a motor that drives a compressor; a physical quantity calculation unit which calculates, on the basis of one or a plurality of predetermined ...
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WO/2022/237909A1 |
The present application relates to a refrigerating system, an expansion valve assembly and a method for controlling a refrigerating system. The refrigerating system comprises a bypass channel, a second temperature sensor and a controller...
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WO/2022/239172A1 |
This refrigeration cycle device comprises: a main circuit in which a low-stage compressor, an oil cooler, a high-stage compressor, an oil separator, a condenser, a first expansion valve, and an evaporator are connected in a loop by refri...
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WO/2022/234860A1 |
The present invention addresses the problem that if after a cooling operation or a heating operation is stopped, the cooling operation or the heating operation is started from a state where a flow rate adjustment mechanism is closed, it ...
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WO/2022/233836A1 |
The invention relates to a method for controlling the temperature and the degree of humidity of the air contained in a refrigerated chamber (1) that comprises: a cooling unit (10) comprising a plurality of cooling batteries (16); at leas...
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WO/2022/236321A1 |
A system (200) includes a turbine (203) configured to exhaust an air stream (204). The system also includes a first coil (212) configured to transfer thermal energy to the air stream when the air stream passes by or through the first coi...
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WO/2022/230183A1 |
A refrigeration cycle device (100) comprises: a refrigerant circuit (40) through which refrigerant flows and wherein a first heat exchanger (4), a compressor (1), a second heat exchanger (2), and a decompression device (3) are connected ...
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WO/2022/230034A1 |
An air conditioning device (1000) comprises: a refrigerant circuit (500) that includes at least a compressor (200), a condenser (210), an expansion valve (230), and an evaporator (110), the refrigerant circuit circulating a refrigerant; ...
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WO/2022/230955A1 |
Provided is a refrigeration cycle system capable of recovering more refrigerant than when the refrigerant is stored in an outdoor unit. A refrigeration cycle system 1 is provided with a refrigeration cycle device (100) and a refrigerant ...
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WO/2022/224689A1 |
[Problem] To provide a refrigeration-type chiller suited to gradually changing the temperature of a load to a target temperature over a fixed amount of time. [Solution] The present invention comprises: a coolant circuit 3 that supplies a...
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WO/2022/224421A1 |
The purpose of the present invention is to obtain a refrigeration cycle device such that it is possible to inhibit the acceleration of deterioration of cores of magnet wires due to a substance generated from a refrigerant that accelerate...
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WO/2022/224383A1 |
A binary refrigeration cycle device (51) comprises a first high-order refrigerant circuit (100) that circulates a first refrigerant, a second high-order refrigerant circuit (200) that circulates a second refrigerant, a low-order refriger...
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WO/2022/224690A1 |
[Problem] To provide a temperature adjustment device that, for adjusting the temperature of a load to a target temperature, can gradually change the temperature of the load to the target temperature while adjusting the temperature even i...
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WO/2022/224382A1 |
This binary refrigeration cycle device (51) comprises a first high-temperature refrigerant circuit (100) for circulating a first refrigerant, a second high-temperature refrigerant circuit (200) for circulating a second refrigerant, a low...
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WO/2022/224418A1 |
A refrigeration cycle device (100) comprises: a compressor (1); a first heat exchanger (3); a second heat exchanger (6); a third heat exchanger (7); a flow passage switching valve (2); a first expansion valve (4A); a second expansion val...
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WO/2022/224304A1 |
A heat source unit (101) comprises: a first channel (11 to 16) that is connected to a load unit (201), thereby forming a circulation channel through which a refrigerant circulates; a compressor (1); an oil separator (2); a second heat ex...
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WO/2022/224392A1 |
This heat pump water heater comprises: a refrigerant circuit in which a refrigerant circulates through a refrigerant pipe; a water circuit in which water circulates in a water pipe; and a control device that controls equipment installed ...
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WO/2022/222824A1 |
A method for controlling a refrigeration system (1) of a vehicle is provided. The refrigeration system (1) comprises a circuit (2) containing a refrigerant, a compressor (3), and a first evaporator (4) and a second evaporator (5) which a...
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WO/2022/217851A1 |
The present application discloses a refrigerant circulation system and an air conditioner. The refrigerant circulation system comprises: a compressor, a four-way valve, a first heat exchange module, a first throttling device, a second he...
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WO/2022/220435A1 |
A disclosed shoe care apparatus comprises: a chamber including air inlets and an air outlet; a first duct which is connected to the air outlet, and in which an evaporator and a condenser are arranged; a second duct connected to the first...
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WO/2022/220056A1 |
A refrigeration cycle device (1) has a refrigeration cycle (10), a heat medium circuit (20), a temperature detection unit (54a), and a control unit (50). The refrigeration cycle has a compressor (11), a condenser (12), a decompression un...
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WO/2022/215108A1 |
A refrigeration cycle device provided with a refrigerant circuit that circulates a non-azeotropic refrigerant mixture therethrough, the refrigeration cycle device comprising a heat exchanger that exchanges heat between the non-azeotropic...
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WO/2022/215242A1 |
This outdoor unit, which connects to a load-side heat exchanger and a throttle device with piping to configure a refrigerant circuit, is provided with a compressor, a refrigerant flow path switching device which switches the flow path, a...
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WO/2022/215204A1 |
An air conditioner (100) comprises a refrigerant circuit (RC) and an indoor fan (10). The refrigerant circuit (RC) has a compressor (1), a first four-way valve (2), an outdoor heat exchanger (3), a first expansion valve (4), a second fou...
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WO/2022/215570A1 |
This hydrochlorofluoroolefin-based novel composition contains Z-1-chloro-3,3,3-trifluoropropene, 1-chloro-1,3,3,3-tetrafluoropropane, and water. In this composition, the proportion of Z-1-chloro-3,3,3-trifluoropropene is 55.00-99.98 mass...
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WO/2022/213687A1 |
A bi-directional first-type single-working-medium combined cycle, which belongs to the technical field of thermodynamics and refrigeration. The bi-directional first-type single-working-medium combined cycle refers to a closed process com...
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WO/2022/215044A1 |
A heat pump unit (13) includes a first exchanger (12) which is configured to operate as a water/gas condenser and a second exchanger (14) which is configured to operate as a gas/air evaporator. The unit also includes a water side circuit...
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WO/2022/210007A1 |
An absorption cycle (110) according to the present invention has a warming potential of less than 1,000, and operates using a refrigerant that contains at least one of an HFO refrigerant, an HFC refrigerant and an HCFO refrigerant, and a...
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WO/2022/210937A1 |
Provided is a refrigeration cycle device for an automobile, which can effectively use different temperature regions of a heat exchanger created by using a zeotropic refrigerant mixture. The present invention is provided with a refrigeran...
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WO/2022/209582A1 |
This screw compressor (10) is equipped with: a casing (11); a motor (15) housed in the casing (11); a drive shaft (19) which is driven by the motor (15) and is capable of changing rotation speed; a compression mechanism (30) having a com...
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WO/2022/211076A1 |
Provided is a refrigeration cycle device which can efficiently carry out a cooling operation and a heating operation using a low-pressure refrigerant and a high-pressure refrigerant. The refrigeration cycle device uses a first refrigeran...
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WO/2022/210872A1 |
The problem to be solved by the present invention is to provide a heat pump device capable of accurately estimating a refrigerant circulation composition ratio without reducing the capacity thereof. In an air conditioner (100), during op...
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WO/2022/211078A1 |
Provided is a refrigeration cycle device that is equipped with a first refrigerant circuit and a second refrigerant circuit and allows an improvement in the operating efficiency. The present invention comprises a first refrigerant circui...
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WO/2022/209739A1 |
A heat source unit (10) connected to usage units (50, 60) is provided with compressors (22, 23), a first heat exchanger (13), a first expansion valve (14), and a receiver (15). In addition, the heat source unit (10) is provided with a fi...
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WO/2022/209735A1 |
In the present invention, a heat source unit (10) that is connected to a usage unit (50) and that carries out a refrigeration cycle is provided with a low-stage compressor (23), a high-stage compressor (21), a four-way switching valve (1...
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WO/2022/211077A1 |
Provided is a refrigeration cycle device which can efficiently carry out a cooling operation and a heating operation using a low-pressure refrigerant and a high-pressure refrigerant. The refrigeration cycle device (1) carries out a heati...
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WO/2022/210794A1 |
Provided is a heat pump device capable of suppressing an increase in the risk of a disproportionation reaction due to changes in the composition of a zeotropic refrigerant mixture when a first refrigerant is a compound having a carbon-ca...
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WO/2022/210386A1 |
A detailed study has not been made regarding the technical concept of selectively separating a specific component of a refrigerant while recovering the refrigerant. This refrigerant recovery system (1) recovers a refrigerant containing a...
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WO/2022/208717A1 |
The present disclosure is characterized by including: a compressor (3) that compresses a refrigerant that is taken in; a condenser (4) that condenses the refrigerant discharged from the compressor (3) and causes heat exchange thereof; a ...
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WO/2022/210382A1 |
This freezing apparatus comprises: a refrigerant flow path unit (10) that has a plurality of plates (21, 22, 23) stacked on each other and has a refrigerant flow path (15) formed inside; a first component (42, 44, 5 1, 57) and a second c...
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