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WO/2024/095339A1 |
A first compressor (10), an oil separator (11), a first heat exchanger (13), a first expansion valve (14), and a second heat exchanger (15) constitute a first refrigerant circuit (C1) through which a first refrigerant circulates. This re...
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WO/2024/085546A1 |
The present invention relates to an electrochemical system fire extinguishing device and a heat pump system using a composition having a low global warming potential (GWP) and, more specifically, to a fire extinguishing device and a heat...
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WO/2024/085443A1 |
An air conditioner according to an embodiment comprises: an outdoor unit which includes a compressor for compressing a refrigerant; a plurality of indoor units which are supplied with the refrigerant from the outdoor unit and perform at ...
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WO/2024/081532A1 |
Cascaded Cold Climate Heat Pump systems ("CCCHP") and methods are disclosed. A CCCHP provides efficiency improvements over traditional heat pump systems by utilizing a connected cascaded circuit configuration, to apportion compressor loa...
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WO/2024/080548A1 |
An air conditioner disclosed herein comprises: an indoor unit that includes an indoor heat exchanger; an outdoor unit that includes a compressor for supplying refrigerant to the indoor heat exchanger; a pressure sensor that detects the p...
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WO/2024/079873A1 |
This air conditioning device (1) includes: an outdoor unit (2) having a compressor (10), an accumulator (50), and an outdoor heat exchanger (30); an indoor unit (4) having an indoor heat exchanger (80); and a relay (3) that relays or blo...
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WO/2024/078708A1 |
The invention relates to an electronic device for a heat pump, in particular an air heat pump, having at least one electronic component for operating the heat pump and having at least one electronics housing unit (16a; 16b; 16c; 16d; 16e...
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WO/2024/071213A1 |
This refrigeration cycle device (1) comprises a first circuit (5a), a second circuit (10), a cascade heat exchanger (35), and a control unit (80). A first refrigerant circulates through the first circuit (5a). A carbon dioxide refrigeran...
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WO/2024/071140A1 |
Proposed is a heat source unit for an air conditioning device that suppresses the occurrence of pressure abnormalities in a refrigerant flow path caused by a filled carbon dioxide refrigerant becoming supercritical. This heat source unit...
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WO/2024/073493A1 |
Novel non-flammable refrigerants having a GWP of less than 750 and containing R-32, R-125, R-134a and R-1234yf, and novel air conditioning systems (including heat pumps) which use such refrigerants, and method of retrofitting standard si...
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WO/2024/070703A1 |
This heat pump cycle device comprises: a compressor (11); an upstream-side branching portion (12a) that is discharged from a discharge port (11c) of the compressor (11); a heating portion (13, 30) for heating a heating target object usin...
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WO/2024/066352A1 |
Provided in the present disclosure are a heat pump unit control method and apparatus, and a heat pump unit. The heat pump unit control method comprises: after a compressor is started, determining whether the condensation temperature and ...
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WO/2024/070872A1 |
This air conditioner comprises: a refrigeration cycle having an outdoor heat exchanger, an indoor heat exchanger, a compressor, and an expansion valve through each of which a refrigerant sequentially circulates; a first four-way valve th...
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WO/2023/152110A9 |
A refrigeration device configured to be used in a heating mode and a cooling mode, comprising a compressor (1), a plurality of utilization side heat exchangers, an expansion mechanism (4) and a heat source side heat exchanger (5) fluidly...
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WO/2024/058136A1 |
According to the present invention, when employing a refrigeration cycle circuit equipped with a heat storage device while employing a multi-stage refrigeration cycle, a sufficient amount of refrigerant in the refrigeration cycle circuit...
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WO/2024/051643A1 |
Provided in the present application is a heat pump system, comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger and a valve device. The valve device comprises a first port, a second port, a thi...
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WO/2024/051642A1 |
Provided in the present application are a heat pump system and a four-way valve. The heat pump system comprises a compressor, a first circulation path, a second circulation path, a third circulation path and a four-way valve. The heat pu...
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WO/2024/048995A1 |
A heat pump system according to one aspect of the disclosed invention may comprise: a compressor for compressing a refrigerant; a refrigerant-water heat exchanger for allowing heat to be exchanged between the compressed refrigerant and w...
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WO/2024/050186A1 |
A heating, ventilation, and air conditioning (HVAC) system and controller therefor to operate with thermal energy reservoirs are provided to set a four-way valve to route a refrigerant through a refrigerant circuit in a first direction w...
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WO/2024/044444A1 |
The present disclosure relates to a heat pump heating, ventilation, and air conditioning (heat pump HVAC) system, and more particularly to a system operable to use a refrigerant to heat or cool an indoor space with a refrigerant circuit ...
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WO/2024/041302A1 |
Disclosed in the present application is a method for controlling a multi-split air conditioner. The multi-split air conditioner comprises an outdoor unit; a refrigeration indoor unit; a heating indoor unit; an outdoor unit four-way valve...
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WO/2024/039042A1 |
The disclosed air conditioner comprises: an indoor unit including an expansion valve and an indoor heat exchanger; a compressor for supplying a refrigerant to the indoor unit; a compressor inlet pressure sensor for detecting compressor i...
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WO/2024/032359A1 |
The present invention relates to a heat exchange system, in particular to a double-structure water source heat pump heat exchange system, comprising a compressor, a water source heat exchanger, an expansion valve, and an air source heat ...
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WO/2024/024659A1 |
In an air conditioner according to one embodiment, a refrigerant circuit for circulating a refrigerant has connected thereto: a compressor that compresses the refrigerant; an indoor heat exchanger; an outdoor heat exchanger; a heat stora...
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WO/2024/018987A1 |
[Problem] To provide an air-conditioning device with which all outdoor units can be reliably unified into a cooling/heating switching scheme or a cooling/heating free scheme. [Solution] An air-conditioning device according to one embodim...
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WO/2024/014381A1 |
A heat source unit (20) comprises: a heat exchanger (30) which is disposed in an air passage (S2) and which includes a plurality of flat pipes (35) inside which heat medium flow passages (C) are formed, and a plurality of fins (36) demar...
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WO/2024/015195A1 |
The present disclosure relates to a HVAC system operable to use a refrigerant in a refrigerant circuit to heat or cool an indoor space and includes a defrost circuit connected to the refrigerant circuit. The defrost circuit includes a fi...
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WO/2024/014666A1 |
An air conditioner comprising: a compressor including a discharge side; an outdoor heat exchanger provided to perform heat exchange with outdoor air; a base arranged to support the compressor and the outdoor heat exchanger; a four-way va...
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WO/2024/009577A1 |
In a first refrigerant circuit (1) according to the present invention, a first compressor (10), a battery heat exchanger (11), a fixed aperture (12), a first refrigerant/coolant heat exchanger (4), a first expansion valve (13), and an ou...
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WO/2024/005080A1 |
The present invention provides an energy storage system control method capable of ensuring that cold storage and heat storage can be performed more effectively under the same electrical energy consumption conditions. The energy storage s...
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WO/2023/243517A1 |
Provided is an air conditioning device which can reduce a filled refrigerant amount. This air conditioning device (1) comprises: an indoor heat exchanger (31); an outdoor heat exchanger (40); and a four-way switching valve (22) that swit...
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WO/2023/243054A1 |
This air conditioner (100) comprises a refrigerant circuit (RC) and a blower (32). A refrigerant flow path switching mechanism (RF) is configured to switch the refrigerant circuit (RC) such that refrigerant flows in order through a rehea...
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WO/2023/235307A1 |
A climate-control system may include a compressor, a thermal storage device, an outdoor heat exchanger, an indoor heat exchanger, a first expansion device, and a second expansion device. The compressor may include an intermediate-pressur...
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WO/2023/234131A1 |
This CO2 adsorption device for installing a solid adsorbent (1) comprises: a refrigeration cycle device in which a refrigerant is circulated through a compressor (2), a first heat exchanger (3), a pressure reducer (4), and a second heat ...
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WO/2023/229456A1 |
Heat pump comprising a first and a second heating circuit, comprising: - an evaporator; - one or more than one expansion valve; - a compressor; - a first condenser arranged in the first heating circuit and a second condenser arranged in ...
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WO/2023/229457A1 |
Heat pump, comprising: - a heating circuit that comprises an evaporator, one or more than one expansion valve, a compressor and a condenser; and - a buffer circuit that comprises or defines a refrigerant accumulator; - wherein the heatin...
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WO/2023/223469A1 |
An air conditioner (100) comprises: an outdoor unit (1); an indoor unit (2); a refrigerant circuit (110) that is constituted by piping (3a, 3b) which connects the outdoor unit (1) and the indoor unit (2); and a control device (4) that co...
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WO/2023/223539A1 |
This air conditioning device comprises a heat source machine including a compressor, a flow passage switching valve, and a heat source side heat exchanger, one or more indoor units which include a load side flow rate adjusting valve and ...
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WO/2023/223634A1 |
A battery temperature control system (1) comprises a refrigeration cycle (10) and a control circuit (100). The refrigeration cycle (10) comprises a compressor (11), a first heat exchanger (12), a plurality of second heat exchangers (15),...
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WO/2023/221500A1 |
The present application relates to the technical field of air conditioning. Disclosed is a refrigerant distribution device, comprising a pipe body, a movable component and a driving component. The pipe body is provided with a refrigerant...
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WO/2023/218612A1 |
This refrigeration cycle device (10) comprises a refrigeration circuit (100) that includes a compressor (101), a flow path switching device (102), an air heat exchanger (103), an expansion device (104), and a plate heat exchanger (105), ...
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WO/2023/210962A1 |
An air conditioner according to one aspect disclosed herein comprises: a compressor that compresses a refrigerant; an indoor heat exchanger in which heat exchange between indoor air and the refrigerant is performed; a discharge temperatu...
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WO/2023/206683A1 |
An air conditioner and an air supplementing control method therefor, an air conditioner controller, and a storage medium. The method comprises: determining the operation mode of an air conditioner, and detecting the temperature of an out...
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WO/2023/199381A1 |
A refrigeration cycle device (100) comprises a refrigerant circuit including: a compressor (11); a hexagonal valve (12); a first heat exchanger (13); a first expansion valve (21); and a second heat exchanger (22). The hexagonal valve inc...
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WO/2023/198222A1 |
Disclosed is a triple-supply heat pump unit having an expansion-type liquid storage device. The triple-supply heat pump unit comprises a compressor (1), a heat recoverer (2), a four-way reversing valve (3), an air source heat exchanger (...
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WO/2023/198223A1 |
Disclosed is an air source heat pump system which has a triple supply function. The air source heat pump system mainly comprises a four-way reversing structure and a refrigerant regulating structure. The four-way reversing structure main...
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WO/2023/190202A1 |
The present invention suggests a refrigeration cycle device that uses a non-azeotropic mixed refrigerant and that is capable of both maintaining heat exchange efficiency with a heat exchanger and suppressing decreases in the performance ...
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WO/2023/192442A1 |
An HVAC system having a fixed orifice expansion device coupled to an evaporator coil is provided. In one embodiment, an expansion device (116) coupled to an evaporator coil (118) includes a flow restrictor (130, 140, 150, 160, 170, 180, ...
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WO/2023/185885A1 |
Provided in the present application are a method and apparatus for prompting the amount of a solar-air-energy refrigerant, and a device. The method comprises: acquiring temperature data of solar-air energy, wherein the temperature data c...
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WO/2023/190485A1 |
An air conditioner (1) of an embodiment has a compressor (11) that compresses a refrigerant, an indoor apparatus (3) that exchanges heat between indoor air and the refrigerant, an outdoor apparatus (2, 2a) that exchanges heat between out...
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