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Matches 1 - 50 out of 19,682

Document Document Title
WO/2019/073621A1
An air-conditioning device comprising: a main circuit in which a compressor, a load-side heat exchanger, a first decompression device, and a plurality of parallel heat exchangers are connected by means of piping; bypass piping for divert...  
WO/2019/069422A1
An air conditioning device (100) is provided with: a refrigeration cycle (10, 11, 12, 20, 21); a first blocking device (15) disposed in piping that connects a heat-source-side heat exchanger (12) and a diaphragm device (20); refrigerant ...  
WO/2019/069423A1
An air conditioner, provided with a refrigeration cycle, a first cutoff device, a leakage-sensing device, and a control device for performing a refrigerant recovery operation when a refrigerant leakage has been sensed. The control device...  
WO/2019/064248A1
A heat pump unit and methods for operating the heat pump unit are provided. The heat pump unit includes a compressor (101), a throttling device (107), a first heat exchanger (104), a second heat exchanger (102), a third heat exchanger (1...  
WO/2019/064566A1
Provided is a refrigeration device with which the leakage of refrigerant is suppressed. The refrigeration device comprises: a heat source unit (10); a plurality of usage units (30) arranged in parallel with respect to the heat source uni...  
WO/2019/064850A1
Provided is an air conditioning system that suppresses degradation in reliability. This air conditioning system (100), which performs a refrigeration cycle in a refrigerant circuit (RC), is provided with: an outdoor unit (10); a pluralit...  
WO/2019/064441A1
In this air conditioner , an outdoor unit that has a compressor which has an injection port for introducing the refrigerant into an intake chamber, a heat source-side heat exchanger that performs heat exchange with the refrigerant, an ou...  
WO/2019/053872A1
Provided is an air-conditioning apparatus that prevents freezing and decline in cooling performance of an indoor unit while rectifying an imbalance, if any, in the amounts of liquid refrigerant among a plurality of heat source machines. ...  
WO/2019/050736A1
An accumulator assembly and a heat pump system. The accumulator assembly comprises: an accumulator tank body, wherein an inlet and outlet port is disposed at the bottom of the tank body and is flush therewith; and a connecting pipe, havi...  
WO/2019/049746A1
The present invention reduces costs and suppresses workability deterioration in relation to improving security against refrigerant leakage. An air conditioning system (100) comprises: an outdoor unit (10); a plurality of indoor units (40...  
WO/2019/044661A1
The multi-type air conditioning system according to the present invention includes: an outdoor unit having an outside air heat exchanger; a plurality of indoor units each having an expansion valve into which a refrigerant flows after pas...  
WO/2019/037575A1
The invention belongs to the technical field of air-conditioned clothing, and particularly relates to a sharing system of air-conditioned garments. In order to resolve the issue that existing air-conditioned garments cannot be widely pro...  
WO/2019/037708A1
Disclosed is a mobile easy-to-clean energy-saving refrigeration apparatus. The apparatus comprises two parts, namely a main unit and a main unit external condenser (21). Wheels are mounted at the bottom of the main unit and the main unit...  
WO/2019/037722A1
An air conditioning system and a control method therefor. The air conditioning system comprises: at least one heat exchanger (1, 2); and at least one control mechanism, wherein each control mechanism is connected to one of the at least o...  
WO/2019/033189A1
The present invention relates to a coolant composition comprising the following components: a) at least one difluoromethane; b) at least one pentafluoroethane; c) at least one tetrafluoroethane; d) at least one tetrafluoropropene; and e)...  
WO/2019/029233A1
The interconnected components of an air conditioning system comprise an indoor heat exchanger (10), a four-way valve (20), a compressor (30), and an outdoor heat exchanger (40). The system further comprises a heat exchange part (50) prov...  
WO/2019/024683A1
Provided are a method and device for controlling an expansion valve. The method comprises: when a first specified quantity of indoor units are in a non-operating state, closing all expansion valves corresponding to the indoor units in th...  
WO/2019/024881A1
A control method for a heat pump system and a heat pump system. The heat pump system comprises a throttling element and a four-way valve (3); the four-way valve (3) has a first state when the heat pump system runs for refrigerating and a...  
WO/2019/027050A1
To improve the safety of a refrigeration device. An air conditioning system (100) comprises: a refrigerant circuit (RC) including a use-side circuit (RC2), a heat-source-side circuit (RC1), and a refrigerant release circuit (RC3); a refr...  
WO/2019/021380A1
This air conditioner has: a heat source device having a heat-source-side heat exchanger and a compressor; a first relay device connected to the heat source device by refrigerant piping; a second relay device connected to the first relay ...  
WO/2019/021464A1
An air conditioning device 100 is provided with: a flow channel switching device 2, which constitutes a refrigerant circuit wherein a compressor 1, heat source-side heat exchanger 3, intermediate pressure adjustment electronic expansion ...  
WO/2019/021431A1
Provided is a refrigeration cycle apparatus comprising a gas-liquid-oil separator that can be made more compact. The refrigeration cycle apparatus comprises a refrigerant circuit that includes a gas-liquid-oil separator (5) and in which ...  
WO/2019/017350A1
Provided is a highly reliable freezer capable of cooling the inside of a heat source unit casing by using a coolant, and capable of suppressing the occurrence of liquid compression caused by the supply of coolant to a heat exchanger for ...  
WO/2019/017299A1
Provided is an air conditioning system that minimizes noise relating to gas-liquid two-phase conveyance. The air conditioning system (100) performs a refrigeration cycle in a refrigerant circuit (RC) comprising an outdoor unit (10), a pl...  
WO/2019/017342A1
The present invention addresses the problem of providing a coolant flow-path branching pipe that can suppress noise at an outlet part. A coolant flow-path branching member (7) includes an outlet part (73) at which the cross-sectional are...  
WO/2019/017351A1
Provided is a highly reliable freezer which uses a liquid as a heat source, and is capable of preventing condensation and freezing in the use unit when performing a cooling operation which uses the liquid heat exchanger of a heat source ...  
WO/2019/017388A1
The present invention addresses the problem of providing an air conditioner that can suppress the generation of noise when a refrigerant delivered in a gas-liquid two-phase state to an indoor unit passes through an electric expansion val...  
WO/2019/001351A1
A thermal management system, the thermal management system comprising a refrigerant system, a first heat exchange system and a second heat exchange system. In a circulation mode of the thermal management system, the cooling liquid in the...  
WO/2019/003268A1
A device utilizing a heat pump comprises a refrigerant circuit and a heat transfer medium circuit. The refrigerant circuit can execute a first operation in which a load-side heat exchanger functions as a condenser and a second operation ...  
WO/2019/000869A1
Provided are an air conditioning system (200) and an air conditioning system (200) control method. A compressor (210) is formed with a first air suction port (211), a second air suction port (214), an air supplementing port (213), a cont...  
WO/2018/235832A1
A heat transfer system having a refrigerant circuit and a medium circuit. The refrigerant circuit has a refrigerant booster, an outdoor air heat exchanger, a medium heat exchanger, and a refrigerant flow path switching device, and a flui...  
WO/2018/227964A1
A water heater and a control method therefor. The water heater comprises a compressor (10), a four-way valve (12), a three-way valve (14), a first heat exchanger (16), a first fan assembly (18), a second fan assembly (22), a water tank (...  
WO/2018/227960A1
A novel air conditioning system, comprising: a compressor 102; an outdoor heat-exchanger 112; an indoor heat-exchanger 120; a four-way valve 114, which is provided between the compressor 102, the outdoor heat-exchanger 112, and the indoo...  
WO/2018/227920A1
An enthalpy increasing system for an air conditioner and a non-inverter air conditioner having same. The enthalpy increasing system for an air conditioner comprises a compressor (10) having an air supply opening, and a flash tank (30) ha...  
WO/2018/221052A1
The present invention is provided with: a detection unit (42) that detects whether or not the heating capacity in an indoor unit performing heating operation is deficient; and a control unit (43) that fully closes the indoor expansion va...  
WO/2018/221613A1
This refrigeration device (1), in which a heat source-side unit (2) and a use-side unit (3) are connected to each other, is provided with a gas-liquid separation unit (4) having: a gas-liquid separator (17) connected to a gas-side commun...  
WO/2018/215425A1
A reversible refrigeration system comprises a compressor (C) arranged to compress gaseous refrigerant, a four-way valve (FWV) switchable between a heating position in which a payload is heated and a cooling position in which the payload ...  
WO/2018/213243A1
Heat pump systems and methods of operating including a first unit having a first unit heat exchanger, a compressor, an accumulator, and a first unit expansion valve, a second unit fluidly connected to the first unit by piping, the second...  
WO/2018/211682A1
A chilling unit and a water-circulating temperature-adjustment system are provided with: a refrigerant circuit including a compressor, a pair of air-side heat exchangers, an expansion valve, and a heat medium-side heat exchanger which ar...  
WO/2018/208539A1
The present invention provides a heat pump system which comprises a compressor (110), a mode switch valve assembly (120), a mode switch flow path, and a first heat exchanger, a second heat exchanger and a heat recovery heat exchanger res...  
WO/2018/198726A1
Provided are a refrigerant channel switching unit and an air conditioner in which the interior of a case can be filled with a foaming agent fully without spaces therein and with which the number of foam fillings and the fill volume can b...  
WO/2018/193537A1
In this air conditioner in which a plurality of indoor units are connected to one outdoor unit, the outdoor unit includes two compressors, two outdoor heat exchangers, one outdoor fan, and one outdoor fan motor. The air conditioner has a...  
WO/2018/189942A1
In the present invention, first connection valves (82, 84, and 86) are provided respectively on refrigerant pipes connecting a refrigerant switching unit (20) with indoor heat exchangers (51, 52) and a hot-water supply heat exchanger (61...  
WO/2018/188269A1
Disclosed is a cold energy recovery-type variable-capacity air-source heat pump system, relating to combined heating and refrigerating systems running in an alternating or synchronous manner, wherein a first subsystem (1) and a second su...  
WO/2018/189805A1
This refrigeration cycle device (2) is provided with a flow passage switching section (162) and a control device (172). The flow passage switching section (162) is connected between an expansion valve (140) and a second heat exchanger (1...  
WO/2018/189826A1
A refrigeration cycle device comprises a refrigerant circuit in which a compressor, a heat source-side heat exchanger, a first expansion valve, a second expansion valve, and a load-side heat exchanger are connected via refrigerant piping...  
WO/2018/186044A1
To prevent a refrigerant in a compression chamber from flowing back through an injection flow path to a refrigeration cycle. The present invention is provided with injection piping 116 for supplying an injection refrigerant to a rotary c...  
WO/2018/185911A1
An air conditioning system comprises: an outdoor unit that has a compressor and an outdoor heat exchanger; a plurality of indoor units that each have a throttling device and an indoor heat exchanger and that are connected to the outdoor ...  
WO/2018/185823A1
When this refrigeration cycle device is performing cooling operations, a control device (30) sets a first expansion valve (3) to an open state, a second expansion valve (23) to an open state, a shut-off valve (9) to a closed state, and a...  
WO/2018/186250A1
A geothermal utilization heat exchanger (10) is installed between an outdoor heat exchanger (8) and an indoor heat exchanger (5). In addition, a first restriction part (15) configured from a first expansion valve (13) and a bypass valve ...  

Matches 1 - 50 out of 19,682