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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/2022/224436A1 |
An air conditioner (1) is provided with a flow path (R1) including a section in which a gas distributor (23a), a second part (13b), a first part (13a), and a gas-liquid two-phase distributor (21a) are connected in sequence. The air condi...
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WO/2022/224390A1 |
A refrigeration cycle device according to the present invention is provided with a heat source side unit, a relay unit, and a plurality of load side units. The heat source-side unit and relay unit are connected by a low-pressure pipe and...
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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/2022/215204A1 |
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/2022/209735A1 |
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/2022/209445A1 |
This air conditioner has a refrigerant circuit configured such that at least one indoor unit is connected to an outdoor unit with refrigerant piping. The air conditioner has a detection unit which detects a state quantity relating to con...
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WO/2022/210398A1 |
Provided is a refrigeration cycle device that uses an absorbent to change the composition ratio of a refrigerant used in a refrigeration cycle, wherein an increase in the time required to change the composition ratio is suppressed. This ...
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WO/2022/210796A1 |
Provided is a refrigeration cycle device in which a refrigerant of an appropriate composition can be used in accordance with the operation conditions. A refrigeration cycle device (100) comprises a main refrigerant circuit (50), a change...
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WO/2022/201336A1 |
A refrigeration cycle device (100) is provided with a compressor (1), a first heat exchanger (10), a second heat exchanger (20), a third heat exchanger (30), an expansion device (3), a gas-liquid separator (6), a first flow rate adjustin...
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WO/2022/204188A1 |
An example refrigeration system includes an indoor fluid loop, an outdoor fluid loop, and a heat exchanger assembly. The indoor fluid loop circulates a first working fluid. The outdoor fluid loop circulates a second working fluid that is...
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WO/2022/204178A1 |
A heat-pump system may include a compressor, an outdoor heating exchanger, an indoor heat exchanger, an expansion device, and a supplemental heater. The outdoor heat exchanger may be in fluid communication with the compressor. The indoor...
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WO/2022/186205A1 |
A heat exchange unit (100) is for a refrigeration cycle and comprises: a plurality of refrigerant flow passages (120); and a flow rate adjustment unit (140). A refrigerant flows in the plurality of the refrigerant flow passages (120). Th...
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WO/2022/187428A1 |
The disclosed technology includes a method for identifying and determining a fault or a potential fault in an air system having an outdoor unit and an indoor unit in fluid communication via a refrigerant circuit. The method can include r...
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WO/2022/187416A1 |
A heat pump apparatus that transfers heat by circulating a refrigerant through a cycle of evaporation and condensation without the need to run a defrost cycle. The No-Frost Heat Pump (NFHP) comprises a four-way valve, a suction accumulat...
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WO/2022/169454A1 |
A central air conditioning and heat pump system includes a main heat exchange system and a cooling arrangement. The main heat exchange system includes a compressor, a first heat exchanger, a second heat exchanger. The cooling arrangement...
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WO/2022/169455A1 |
An air conditioning, heat pump and water heating system includes a compressor, a switching valve, an outdoor heat exchanger, a refrigerant storage tank, an indoor heat exchanger and a water heater. The air conditioning, heat pump and wat...
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WO/2022/166238A1 |
An air conditioning system. The air conditioning system comprises an indoor heat exchanger (5), an outdoor heat exchanger (4), an economizer, and an electric control box (7); the economizer is disposed between the indoor heat exchanger (...
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WO/2022/169452A1 |
A central air conditioning and heat pump system includes a main heat exchange system and a cooling arrangement. The main heat exchange system includes a compressor, a first heat exchanger, a second heat exchanger. The cooling arrangement...
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WO/2022/169453A1 |
An air conditioning and heat pump system includes an outdoor main unit and an indoor heat distribution system. The main outdoor unit includes a compressor, a refrigerant storage tank, a switching valve, a first outdoor heat exchanger and...
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WO/2022/163800A1 |
A refrigeration cycle device that solves the problem wherein a liquid refrigerant tends to accumulate in an outdoor heat exchanger during a low-load operation for cooling when the outdoor temperature is low. A merging flow unit (260) has...
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WO/2022/149413A1 |
A heat exchanger (1), wherein a refrigerant distributor (30A) has a plurality of insertion holes (31) and a contact portion (32) that is provided so as to protrude from the outer periphery of at least one of the insertion holes (31). One...
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WO/2022/149188A1 |
A refrigeration cycle device (100) which: forms a channel through which a coolant travels so as to pass through a compressor (1), a load-side heat exchanger (3), a first expansion valve (4), a heat source-side heat exchanger (2) and an a...
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WO/2022/137510A1 |
The present disclosure obtains a refrigeration cycle device in which refrigerant deficiencies occurring when a refrigerant circulation circuit is switched are suppressed. A refrigeration cycle device according to one embodiment of the ...
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WO/2022/130325A1 |
The present invention relates to a thermodynamic cycle reversing group (10) for refrigeration circuits with reversible cycle, comprising: - two ball valves (11, 12) of at least three-way type; - an actuator (13) configured to simultaneou...
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WO/2022/123209A1 |
There is provided a valve (200) for a reversible heat pump system, comprising six ports (202a- 202f) and three flow paths (204a, 204b, 206) for a refrigerant, the three flow paths being selectable between different pairs of the six ports...
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WO/2022/116599A1 |
The present application provides an air conditioning system. The air conditioning system comprises a compressor, a first heat exchanger, a second heat exchanger, and a third heat exchanger. A first end of the first heat exchanger is comm...
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WO/2022/114683A1 |
An air conditioner is disclosed. The air conditioner of the present disclosure can comprise: a compressor for compressing a refrigerant; a condenser for condensing the refrigerant discharged from the compressor; an expansion valve for ex...
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WO/2022/110761A1 |
An air conditioner, comprising: an indoor unit and an outdoor unit. The outdoor unit comprises: a compressor (1); a flow path throttling apparatus (3); a first control valve (18), which is connected in parallel to the flow path throttlin...
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WO/2022/110474A1 |
Disclosed are an air conditioner outdoor unit, an air conditioner indoor unit, an air conditioner and a control method therefor, and a readable storage medium. The air conditioner outdoor unit comprises: an outdoor heat exchanger for com...
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WO/2022/113166A1 |
A refrigeration cycle device (110) is equipped with a flow path switching device (7). The flow path switching device (7) is configured so as to cause a second port (P2) and the second refrigerant port (5b) of a second heat exchanger (5) ...
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WO/2022/109189A1 |
A terminal unit is provided for cooling a conditioned space. The terminal unit is provided conditioned air and augments cooling with a local heat exchanger. The terminal unit controls the flow of coolant through the heat exchanger. Laten...
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WO/2022/102077A1 |
Provided is a refrigeration cycle device that can reduce the amount of refrigerant required by configuring a refrigerant flow path so that the air and refrigerant form a countercurrent during both cooling and heating, and by allowing low...
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WO/2022/101986A1 |
This refrigeration cycle device comprises: a heat source unit that is equipped with a compressor, a flow path switching valve, a first heat exchanger, and an expansion valve; an air-conditioning unit that is equipped with a second heat e...
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WO/2022/099748A1 |
A heat pump system, comprising a main working medium circulation path on which a compressor (1), a condenser (2), a main path expansion valve (6), and an evaporator (7) are successively arranged in the flow direction of a refrigerant. A ...
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WO/2022/097680A1 |
The present disclosure relates to a refrigerant circuit for cooling and/or heating purposes. In particular, the disclosure relates to a refrigerant circuit (1) for a refrigeration apparatus with a thermal storage, which is using CO2 as r...
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WO/2022/097201A1 |
This refrigeration cycle apparatus (100) comprises: a compressor (1); a first heat exchanger (2); a second heat exchanger (5); a first depressurizing device (4); an oil separator (3); a first circulation path that circulates a refrigeran...
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WO/2022/075248A1 |
The present invention presents an air conditioning apparatus with which it is possible to prevent the compressor oil quantity from falling below a required quantity in a compressor (10) in association with outdoor use. This outdoor air c...
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WO/2022/073556A1 |
The invention relates to a method of operating a refrigeration cycle apparatus, wherein a compressor (1) is used to compress a coolant, wherein the compressed coolant is fed to a condenser (2) for release of heat, wherein coolant condens...
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WO/2022/073555A1 |
The invention relates to a refrigeration circuit device, comprising a compressor (1) for compressing a refrigerant, wherein, in each case as viewed in the flow direction of the refrigerant, a condenser (2) is connected downstream of the ...
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WO/2022/062530A1 |
Disclosed by the present application are an air conditioner and an air conditioner defrost method, used in an air conditioner comprising a refrigerant circulation circuit, a compressor, an outdoor heat exchanger and indoor heat exchanger...
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WO/2022/062953A1 |
A single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner, comprising a single-stage carbon dioxide circulation system using carbon dioxide as a circulation working medium; the single-stage car...
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WO/2022/065964A1 |
A heat pump is disclosed. The heat pump of the present disclosure comprises: a compressor for compressing a refrigerant; a heat exchanger through which the refrigerant discharged from the compressor can be introduced and which includes a...
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WO/2022/059054A1 |
This refrigeration cycle device has an indoor unit, a first outdoor unit, a second outdoor unit, and a control unit. The indoor unit has an indoor heat exchanger. The first outdoor unit and the second outdoor unit are connected in parall...
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WO/2022/059136A1 |
This refrigeration cycle device (11) comprises a refrigerant circuit (20) configured to circulate a refrigerant, and a control device (100) which controls the refrigerant circuit (20). The refrigerant circuit (20) includes a compressor (...
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WO/2022/059723A1 |
Provided a safety system for a heat pump system, comprising a plurality of valve units each having refrigerant pipe portions with control valves, a refrigerant leakage detector, and a casing (400e) accommodating the valves and the refrig...
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WO/2022/059722A1 |
Provided an air conditioning system (110h) comprising a compressor unit (111h) including a compressor (112h), a heat exchanger unit (101h) including an outdoor heat exchanger (102h), an indoor unit (120), and a valve unit (200h) includin...
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WO/2022/053071A1 |
Disclosed in the present application are an air conditioner control system and an air conditioner. The air conditioner control system comprises a temperature control unit, an outdoor unit control unit, an indoor unit control unit, and a ...
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WO/2022/041950A1 |
An air conditioning system, a control method for an air conditioning system, and a device. The air conditioning system comprises: an outdoor heat exchanger, wherein the branches of the outdoor heat exchanger are completely divided into a...
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WO/2022/045829A1 |
An air conditioner is disclosed. An air conditioner of the present disclosure comprises: a compressor for compressing a refrigerant; an accumulator for providing the refrigerant to the compressor; a condenser for condensing the refrigera...
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