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WO/2021/251287A1 |
Provided is a refrigerant circuit device assessment system that, when a plurality of refrigerant circuit devices are installed, enables making a precise determination as to whether or not a heat source unit of each of the refrigerant cir...
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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...
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WO/2021/245789A1 |
In a refrigeration cycle device (1), a refrigerant pipe (31) is connected to a compressor (3), a first heat exchanger (5), an expansion valve (9), a second heat exchanger (11), a heat absorbing section (17), and the compressor (3), in th...
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WO/2021/246137A1 |
Provided is a binary refrigeration device equipped with: a low-temperature-side refrigeration circuit, which is provided with a helical heat exchanger having a main body pipe into which a low-temperature-side refrigerant, which flows int...
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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 ...
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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 ...
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WO/2021/245829A1 |
An air conditioner provided with a compressor, a pressure switch, a thermostat, and a control device. The pressure switch turns off when the refrigerant pressure on the discharge side of the compressor is greater than or equal to a first...
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WO/2021/240599A1 |
This air conditioner is provided with a refrigerant circuit that comprises a compressor, a strainer and an expansion valve, and a control device that controls the expansion valve in the refrigerant circuit, wherein, in the case of closin...
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WO/2021/240712A1 |
This circulation circuit circulates a fluid medium which is liquid at normal temperature, and comprises: a plurality of capsules in which a heat storage material the phase of which changes between a solid state and a liquid state is enca...
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WO/2021/240616A1 |
Provided is a refrigeration cycle system comprising: a refrigerant circuit which includes a compressor; a heater which is provided to an intake pipe of the compressor; two temperature sensors which are provided to the intake pipe at a pa...
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WO/2021/239462A1 |
The invention relates to an adiabatic coolant for cooling below 7 K, the adiabatic coolant comprising: a compound according to formula (1): (Yb1-xAx)a(Ni1-yBy)b(C)c (1) wherein A is one or more members selected from rare earth elements o...
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WO/2021/240645A1 |
A cold heat source unit (2) comprises: a first flow path (F1) that is configured so as to receive a refrigerant from an evaporator (60) and send the refrigerant toward a first expansion device (50) through a compressor (10) and a condens...
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WO/2021/240615A1 |
A refrigeration cycle device (100) comprises: a suction pressure sensor (41) that detects suction pressure, which is the pressure of a refrigerant to be sucked into a compressor (11); and a control device (3) that starts and stops the co...
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WO/2021/241619A1 |
This heat exchanger (22) for refrigeration comprises: a refrigerant conduction member (40) having a plurality of flat tubes (41) disposed with gaps therebetween; a cold storage material container (52) which is disposed between adjacent f...
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WO/2021/241108A1 |
The present invention enables prompt refrigerant recovery using the pump-down operation of an outdoor unit 4, even when an air conditioner 2 is filled with more refrigerant than the outdoor unit 4 can store. An air conditioning system ...
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WO/2021/240800A1 |
A refrigeration cycle device (100) comprises a refrigerant circuit (10) configured so that a non-azeotropic refrigerant mixture circulates, in order, through a compressor (11), a condenser (12), a gas-liquid separator (13), an expanding ...
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WO/2021/240729A1 |
This refrigeration cycle device is provided with: a compressor for compressing refrigerant; a first heat exchanger for cooling, with outdoor air, refrigerant that has been compressed by the compressor; a depressurization device for reduc...
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WO/2021/234931A1 |
The purpose of the present disclosure is to provide an outdoor unit capable of accurately detecting the weight of a compressor. An outdoor unit with a sensor that detects the weight of a compressor. This outdoor unit comprises: a housi...
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WO/2021/234851A1 |
A refrigeration air conditioning device, according to the present invention, provided with a refrigeration cycle circuit that comprises a compressor, a condenser, a decompression device, refrigerant conduits connecting the condenser and ...
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WO/2021/234868A1 |
This refrigeration cycle device (1) comprises a refrigerant circuit (RC), a first refrigerant, and a second refrigerant. The refrigerant circuit (RC) has a first region (R1), a second region (R2), a first valve (161), a second valve (162...
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WO/2021/237001A1 |
System, method, and apparatus for controlling circulation of fluid to, and evacuation of the fluid from, an external fluid circuit for heat transfer. A single control valve selectively stops the circulation of fluid from a supply passage...
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WO/2021/229770A1 |
This refrigeration device (1000) comprises a refrigerant circuit (RC) and a control device (7). The refrigerant circuit (RC) includes a compressor (1), a condenser (2), an expansion valve (3), and an evaporator (4), and a refrigerant cir...
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WO/2021/229766A1 |
A refrigerator (R) is provided with: a refrigerant circuit (C1); a refrigerant shortage detection circuit (C2); and a control device (CD). The refrigerant circuit (C1) includes at least one compressor (1), a condenser (2), a liquid recei...
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WO/2021/229647A1 |
A refrigeration cycle device (100) comprises a refrigerant circuit (C1) and a refrigerant storage circuit (C2). The refrigerant circuit (C1) is configured by a compressor (1), an outdoor heat exchanger (2), an expansion valve (3), and an...
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WO/2021/225176A1 |
The present invention suppresses pooling of a refrigerant or a freezer oil in low-pressure gas connection piping. A refrigeration cycle system (1) comprises: a heat source unit (2) having a heat source circuit (12) that includes a second...
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WO/2021/225177A1 |
The present invention prevents pooling of refrigerant or refrigerant oil in a high-pressure gas interconnection pipe. This refrigeration cycle device (1) comprises a primary-side refrigerant circuit (5a) and a secondary-side refrigerant ...
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WO/2021/223379A1 |
Disclosed are an oil exploitation drilling tool circulating cooling device and the use of normal octane as a refrigerant. The cooling device comprises a refrigerant loop and a heat insulation cylinder (9); a turbine (4), a compressor (5)...
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WO/2021/225178A1 |
The present invention prevents or reduces an increase in pressure of a refrigerant on the discharge side of a compressor in a secondary-side refrigerant circuit. A refrigeration cycle system (1) has a primary-side refrigerant circuit (5a...
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WO/2021/225175A1 |
Provided is a refrigeration cycle system, heat source unit, or refrigeration cycle device in which a carbon dioxide refrigerant is used, wherein it is possible to supply a sufficient amount of a high-pressure refrigerant to a plurality o...
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WO/2021/219474A1 |
A method for monitoring a refrigerant charge in a vapour compression system (1) is disclosed, the vapour compression system (1) comprising a compressor unit (2), a heat rejecting heat exchanger (3), a high pressure expansion device (4), ...
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WO/2021/220650A1 |
An outdoor unit 3 of an air conditioning device 1 comprises an outdoor control unit 31 having a first control mode and a second control mode, which are different from each other, as control modes for a refrigerant recovery operation that...
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WO/2021/220661A1 |
A vehicle air conditioning device has a refrigeration cycle (10), a heating unit (20), and a control unit (50). The refrigeration cycle is provided with a compressor (11), a condenser (12), an air conditioning evaporator (15), a cooling ...
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WO/2021/220355A1 |
This refrigeration cycle device comprises a refrigerant circuit (RL1) that circulates a hazardous refrigerant and a control device (40A) that issues a pre-alarm when the hazardous refrigerant leaks from the refrigerant circuit (RL1) and ...
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WO/2021/220651A1 |
An air-conditioning management system 1 includes: an air conditioning device 2 that performs a refrigerant recovery operation for recovering a refrigerant in a refrigerant circuit 9, which connects an outdoor unit 3 and an indoor unit 4,...
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WO/2021/221057A1 |
Provided is a compressor in which friction loss between sliding surfaces that slide against each other can be effectively and stably mitigated over the long term, and a refrigeration cycle device utilizing said compressor. A refrigeratio...
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WO/2021/214822A1 |
A relay device has: a heating medium heat exchanger; a casing into which the heating medium heat exchanger is incorporated; a first refrigerant piping connection port connected to one from among refrigerant piping through which refrigera...
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WO/2021/214858A1 |
[Problem] To restrict not only an upper limit value but also a lower limit value of the power consumption of an air conditioner. [Solution] This air conditioner comprises a compressor, an outdoor heat exchanger, an expansion mechanism, a...
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WO/2021/214832A1 |
A refrigeration cycle device (100) comprises a refrigerant circuit (RC) and a refrigerant. The refrigerant circuit (RC) has a compressor (1), a condenser (3), a decompression valve (4), and an evaporator (5). The refrigerant is a non-aze...
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WO/2021/215072A1 |
The present invention enables suitable control of the temperature of an object to be cooled in a refrigeration cycle device that cools the object to be cooled. This refrigeration cycle device is provided with: a compressor (11) for compr...
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WO/2021/214930A1 |
The purpose of the present invention is to provide a system and method with which it is possible to minimize a temperature decrease during a dehumidification operation by each indoor unit, and in which the dehumidification capability doe...
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WO/2021/215167A1 |
A refrigeration cycle device according to the present invention comprises: a compressor (11) that compresses and discharges a refrigerant; a heat dissipating section (16) that dissipates the heat of the refrigerant discharged from the co...
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WO/2021/214961A1 |
A refrigeration cycle system (1) comprises a refrigeration cycle device (100), a cloud server (300), and an input device (402). The refrigeration cycle device (100) includes a refrigerant circuit (150), a storage device (113), and a cont...
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WO/2021/214931A1 |
Provided are a system and a method which can prevent or reduce an intermittent operation and maintain comfort. This air conditioning system includes an indoor unit and an outdoor unit. The indoor unit includes: a heat exchanger; an indoo...
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WO/2021/214972A1 |
Obtained is a refrigeration cycle apparatus capable of suppressing the degradation of metal components due to hydrogen iodide and securing reliability over a long period of time. The refrigeration cycle apparatus comprises: a compresso...
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WO/2021/214816A1 |
The refrigeration cycle device according to the present disclosure has a refrigerant circuit which is configured by connecting a compressor, a condenser, a throttle device, and a plurality of evaporators by piping, and which supplies hea...
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WO/2021/210215A1 |
A valve opening circuit 5 is mounted on a heat pump device having a valve on a refrigerant circuit. The valve opening circuit 5 comprises: a DC electrical path 56 to which a DC voltage generated from a normal AC voltage is applied; a val...
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WO/2021/210064A1 |
This heat source unit (2) comprises: a first flow path (80-83, 89) which connects to a load device (3) and forms a circulation flow path through which a refrigerant circulates; a compression device (10), an oil separator (20), and a cond...
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WO/2021/209099A1 |
A method for cooling preferably onboard a ship is provided, in which a working medium is pressurized in compressors in two steps, cooled down in a working medium high pressure cooler, collected in a receiver tank, further exposed to cool...
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WO/2021/205063A1 |
A device (1) for use in a refrigeration or heat pump system. A device comprises an outer casing which comprises a longitudinal cylindrical shell (2) and end plates (3a, 3b) arranged at both ends of the shell, and at least three units of ...
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WO/2021/205539A1 |
This refrigeration cycle device comprises: a refrigerant circuit (RC) that includes a compressor (230), expansion valves (250, 260), an indoor heat exchanger (110), an outdoor heat exchanger (210), and a refrigerant reservoir (500) and c...
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