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Patent Searching and Data


Matches 1 - 50 out of 14,968

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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 ...  
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...  
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...  
WO/2022/036835A1
An air conditioner. A heat exchanger provided therein comprises a distributor (10), and the distributor (10) is used for evenly distributing a gas-liquid two-phase refrigerant into a plurality of flat tubes (40). A mixing chamber (100), ...  
WO/2022/039703A1
The invention relates to a cooling operation control method providing increasing temperature value change range between the highest and lowest temperatures, reducing fluctuations in temperature value during change of ambience temperature...  
WO/2022/029845A1
This air conditioner includes: a low pressure-side pressure sensor which detects the pressure of a heat source-side refrigerant flowing into a compressor and outputs the detected pressure as a first detection value; and a high pressure-s...  
WO/2022/019007A1
Provided is an air conditioner which, when a refrigerant piping system includes a plurality of indoor units, can suppress rapid leakage of a refrigerant, can ensure countermeasures/evacuation time during refrigerant leakage, and can guar...  
WO/2022/015154A1
A system (1) for heating and cooling air in a space e.g. room, comprises a housing unit enclosing a container (200), a conduit network (100), a fan (600), a compressor (130) and an electronic control unit (ECU). The conduit network (100)...  
WO/2022/007739A1
The present application provides a heat pump system. The heat pump system comprises a main circulating refrigerant loop, an auxiliary circulating refrigerant loop, and a refrigerant management system; the main circulating refrigerant loo...  
WO/2022/009312A1
This refrigeration cycle device is provided with a compressor (10), a first heat exchanger (20), a decompression device (30), a second heat exchanger (40), a first switching valve (60), a second switching valve (70), and a control device...  
WO/2022/004256A1
A refrigerant circuit (11) through which a refrigerant, which is carbon dioxide, circulates, has a plurality of heat exchangers (12), a receiver (60), a gas vent passage (61), and a gas vent valve (62). In a refrigeration system, a first...  
WO/2021/260804A1
A flow path switching device (5) selectively switches the circulation direction of a refrigerant between a first circulation direction and a second circulation direction that is the opposite of the first circulation direction. In the fir...  
WO/2021/258689A1
The present application provides a heat exchange system, an air conditioning apparatus, and a control method for an air conditioning apparatus. The heat exchange system comprises: a compressor; a four-way valve; a first heat exchanger; a...  
WO/2021/255777A1
This air conditioner comprises: a plurality of indoor units having indoor heat exchangers; an outdoor unit having a compressor and an outdoor heat exchanger; a main gas pipe connected to the outdoor unit; a main liquid pipe connected to ...  
WO/2021/250738A1
This air conditioner comprises: a refrigeration cycle circuit having a compressor, a plurality of flow path switching devices which switch a flow path of a refrigerant, a first outdoor heat exchanger, a second outdoor heat exchanger, an ...  
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...  
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...  
WO/2021/242213A1
A refrigeration system comprising a compressor (24), a four-way valve (25), an indoor units heat exchanger (26), an outdoor units heat exchanger (27), an expansion valve (29) and characterized in that it comprises a first two-way valve (...  
WO/2021/228020A1
A method for controlling a multi-split air conditioning system, comprising: acquiring an indoor environmental temperature (S101); calculating the difference between the indoor environmental temperature and a set temperature (S103); and s...  
WO/2021/227800A1
Disclosed in the present application are an air conditioner sterilization method, an air conditioner, and a storage medium. The method comprises: receiving a sterilization instruction, and measuring the temperature of an indoor heat exch...  
WO/2021/227851A1
A defrosting control method for an air conditioning unit. The air conditioning unit comprises an outdoor unit. The defrosting control method comprises: obtaining the outdoor dry-bulb temperature and the outdoor wet-bulb temperature, and ...  
WO/2021/228018A1
An air conditioning unit and a control method therefor. By adjusting the conversion between a series connection structure and a parallel connection structure of a water-cooling heat exchanger, when the temperature of output water of the ...  
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...  

Matches 1 - 50 out of 14,968