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Matches 451 - 500 out of 48,967

Document Document Title
WO/2018/116613A1
The present invention is provided with: a compressor (10) that compresses a refrigerant; a discharge pipe (25) that discharges the refrigerant from the compressor (10); an oil separator (26) that separates a lubrication oil from the refr...  
WO/2018/110236A1
This refrigerant circuit system is provided with: a refrigerant circuit comprising a compressor, a condenser, a receiver tank, an expansion valve, an evaporator, an accumulator, a bypass circuit connecting the gas phase portion of the re...  
WO/2018/110674A1
A refrigerant fill amount determination system (100) is provided with a refrigerant circuit (40), a refrigerant accommodation unit (70), a state quantity acquisition unit (52), and a determination unit (82). The refrigerant circuit (40) ...  
WO/2018/109894A1
This refrigeration cycle device performs cooling by circulating refrigerant. The refrigeration cycle device is provided with an evaporator, a condenser, a pump (6), a compressor (1), and a control unit. The evaporator is disposed in a fi...  
WO/2018/110131A1
This refrigeration cycle device is provided with: an electric compressor (11) which compresses and discharges a refrigerant; a heating heat exchanger (12) which uses high-pressure refrigerant discharged from the electric compressor as a ...  
WO/2018/110212A1
The present invention eliminates or suppresses temperature distribution (variation in temperature) generated in a heat absorber in a dehumidification cooling mode. The dehumidification cooling mode is executed in which the heat of a refr...  
WO/2018/110185A1
Provided is a refrigerant circuit system with which it is possible to promote overcooling while adequately controlling the compressor temperature. The refrigerant circuit system (1) is provided with: a gas-liquid heat exchanger (20) for ...  
WO/2018/110454A1
The present invention provides: a heat transfer device in which a refrigerant containing a hydrohaloolefin is enclosed in a circulation path, said heat transfer device making it possible to minimize the effect of oxygen mixed into the ci...  
WO/2018/112421A1
Standalone and self-contained cooling systems using compressed liquid and/or gas CO2 containers positioned in an insulated or non-insulated vessel and consisting of a specially designed unit where the containers are vertically positioned...  
WO/2018/105271A1
Provided are: a heat transport device, in which a coolant containing a hydro(halo)olefin is sealed in a circulation path, and which is capable of suppressing the influence of oxygen mixed in the circulation path; and a heat transport met...  
WO/2018/105039A1
This air conditioning apparatus is provided with: a refrigerant circuit connecting an outdoor unit and a plurality of indoor units; an on-off valve provided to, among a plurality of refrigerant pipes, a refrigerant pipe through which a r...  
WO/2018/106207A1
A method for recovering heat energy from environmental air comprises adiabatically compressing a stream of atmospheric air, with an increase in the temperature and pressure thereof, in two stages. After the second stage, an active stream...  
WO/2018/105702A1
A heat source system comprises: a heat source device; a cooling tower-side outward path and a cooling tower-side return path that are connected to the heat source device; a load-side outward path and a load-side return path that are conn...  
WO/2018/105102A1
A pressure-regulating valve is disposed in this heat pump device having: a refrigerant circuit in which a compressor, a heat source heat exchanger, an expansion mechanism, and an intermediate heat exchanger are sequentially connected via...  
WO/2018/100712A1
A refrigeration cycle device has: a refrigerant circuit through which a refrigerant flows and in which a compressor, a first heat exchanger, an expansion section, and a second heat exchanger are connected by pipes; a pressure detector th...  
WO/2018/100729A1
This refrigeration cycle device has: a heat source unit including a compressor; an indoor unit which performs heat exchange between air in a space to be air-conditioned and a refrigerant flowing and circulating through an air-conditionin...  
WO/2018/100711A1
Provided is a refrigeration device whereby overcooling of a heat-generating body and formation of frost can be suppressed. A refrigeration device is provided with: a refrigerant circuit (A) provided with a compressor (1), a condenser (2)...  
WO/2018/100995A1
This air conditioning device (100), which is installed in a vehicle, is provided with a gas-liquid separator (27) which separates liquid-phase refrigerant and gas-phase refrigerant, guides, to a compressor (21), the gas-phase refrigerant...  
WO/2018/101439A1
The purpose of the invention is to provide a method for determining pipe diameter for a refrigerating device with which it is possible to reduce the amount of refrigerant to be filled, a device for determining pipe diameter, and a refrig...  
WO/2018/097124A1
Provided is an air conditioning device which has a plurality of compressors connected in parallel, and can be operated at high efficiency regardless of the magnitude of a required load. This air conditioning device is provided with: a fi...  
WO/2018/097154A1
Provided is a refrigeration device that enables the execution of a novel control method which can prevent refrigeration machine oil from an oil separator not being sufficiently returned and only discharged gas refrigerant being returned ...  
WO/2018/096580A1
This refrigeration cycle device is provided with: a first refrigerant circuit, which includes a first compressor, a first heat exchanger, a first refrigerant flow channel of a second heat exchanger, a first decompression unit, a third he...  
WO/2018/096869A1
Provided is a vehicle air conditioning device comprising: a compressor (11); a radiator (12); an outdoor heat exchanger (20); an evaporator (23); a first depressurizing unit (13a), a second depressurizing unit (22a), switching units (25a...  
WO/2018/097310A1
Provided is a method for transfer-filling a refrigerant composition containing three components, i.e., difluoromethane, pentafluoroethane and 1,1,1,2-tetrafluoroethane, whereby it becomes possible to keep the fluctuations in a liquid pha...  
WO/2018/097138A1
Provided is a refrigerating device that has excellent workability, maintainability, and economy. A refrigerating device (100) comprises: a use-side expansion valve (31) that changes the degree of opening according to an upstream refriger...  
WO/2018/096655A1
Provided is a refrigeration cycle device that comprises a plurality of outdoor units (50a, 50b). Each of the plurality of outdoor units (50a, 50b) includes an outdoor heat exchanger (2a, 2b), a compressor (1a, 1b), and a sensor (51, 5b) ...  
WO/2018/092854A1
This refrigerant compressor comprises: an electric drive element; a compression element driven by the electric drive element to compress a refrigerant and having a pair of sliding members facing each other and moving relative to each oth...  
WO/2018/092299A1
This air conditioner comprises: a circuit; a bypass pipe which connects the portion between a heat-source-side heat exchanger and expansion units and the upstream side of an accumulator; a bypass opening and closing device which is provi...  
WO/2018/090775A1
Disclosed are air conditioner control method and device and an air conditioner. The method includes: receiving a compressor shut-down signal sent by a user in a compressor operation mode (101); and in response to the compressor shut-down...  
WO/2018/092464A1
This refrigeration cycle device is provided with switching units (38, 39) which switch between: a state in which a heat medium in a first heat medium refrigerant heat exchanger and a heat medium in a second heat medium refrigerant heat e...  
WO/2018/088166A1
[Problem] To provide an accumulator with an integrated internal heat exchanger, and a refrigeration cycle using this accumulator with an integrated internal heat exchanger, with which heat exchange efficiency between a low-temperature re...  
WO/2018/088033A1
A refrigeration cycle device is provided with: a gas-liquid separator (14) for separating gas and liquid refrigerant decompressed in a high stage-side decompression unit; low stage-side decompression units (17, 18, 18a) for decompressing...  
WO/2018/089336A1
A heat pump system comprises: a main heat exchange circuit, comprising a two-stage compressor (100a,100b), a condenser (200), a throttle element (300a,300b) and an evaporator (400), which are connected in sequence to form a circuit; an e...  
WO/2018/088025A1
A refrigeration cycle device is provided with: a decompression device control unit (40b) for controlling the operation of a decompression device; a target supercooling degree determination unit (S9) for determining the target supercoolin...  
WO/2018/088034A1
This refrigeration cycle device is provided with pressure pulsation reduction units (15b, 15c, 15d) that reduce pressure pulsation of a refrigerant in a gas-phase refrigerant path (15). One example of the pressure pulsation reductions un...  
WO/2018/088169A1
[Problem] The present invention addresses the problem of providing a heat exchanger whereby weight can be reduced and corrosion resistance can be improved. [Solution] Each of a heat exchanger 22 for heating and a heat exchanger 23 for co...  
WO/2018/089343A1
Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors in combination with a pump.  
WO/2018/086474A1
A low-temperature rapid freeze-drying system comprises a refrigeration circuit, a rapid free-drying circuit, and an adsorption drying circuit. The refrigeration circuit comprises a compressor unit (CU), a first heat exchanger (HX1), an a...  
WO/2018/083981A1
An electric compressor (3) according to the present invention comprises a compression mechanism section (33) that compresses a refrigerant, and an electric motor (24) that drives the compression mechanism section (33), inside a sealed co...  
WO/2018/084828A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control device based on a DC variable speed AC compressor.  
WO/2018/079034A1
A refrigeration cycle 20 provides a heat pump cycle apparatus. An outdoor heat exchanger 22 is used as a condenser in cooling operation and second dehumidification/heating operation. The outdoor heat exchanger 22 is used as an evaporator...  
WO/2018/080446A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control system based on a variable speed AC compressor.  
WO/2018/078883A1
This refrigeration cycle device (100) circulates a refrigerant through a compressor (1), an oil separator (2), a condenser (3), an expansion valve (4), an evaporator (5), and an accumulator (6) in this order. This refrigeration cycle dev...  
WO/2018/078809A1
This refrigeration cycle device (50) comprises a refrigerant circuit which circulates a nonazeotropic refrigerant mixture. The refrigerant circuit includes a compressor (1), an outdoor heat exchanger (5), an indoor heat exchanger (8), an...  
WO/2018/078808A1
An air conditioner (10) is provided with a refrigerant circuit (13) and a refrigerant. The refrigerant circuit (13) includes a compressor (1), a condenser (2), a pressure adjustment valve (3), and an evaporator (4). The refrigerant is R3...  
WO/2018/076734A1
Provided is an air-conditioning system (100), comprising: a compressor (1), in which a variable frequency motor (11) is arranged; a condenser (2) comprising a first refrigerant flow passage and a first water flow passage; an evaporator c...  
WO/2018/076364A1
A refrigeration apparatus (100), comprising: a compressor (1), the compressor (1) being provided with an air exhaust opening (10) and an air return opening (11); a condenser (2), a first end of the condenser (2) being connected to the ai...  
WO/2018/079731A1
Provided is a refrigeration device that can reduce, to be small, deficiency/excess differences in the amount of refrigeration machine oil between compressors in the case where a plurality of compressors are connected in parallel. The pre...  
WO/2018/078729A1
Provided is a refrigeration cycle device (1) with which a pump-down operation can be executed while suppressing a reduction in performance. The refrigeration cycle device (1) comprises: an outdoor heat exchanger (7); a compressor (5) hav...  
WO/2018/079238A1
This refrigeration device is provided with: a heat exchanger (32) which condenses a refrigerant compressed in a compressor (31); a receiver (34) which separates, into a gas refrigerant (RG) and a liquid refrigerant (RL), the refrigerant ...  

Matches 451 - 500 out of 48,967