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Patent Searching and Data


Matches 701 - 750 out of 50,295

Document Document Title
WO/2018/135277A1
An air conditioning system that is useful for preventing condensation in electric component cooling pipes constituting a part of a refrigerant pipe line. This air conditioning system includes a compressor, an outdoor heat exchanger, and ...  
WO/2018/135385A1
[Problem] To provide an accumulator equipped with an internal heat exchanger and having a simple configuration, with which leakage of a high-pressure refrigerant can easily be discovered, and to provide a refrigeration cycle device equip...  
WO/2018/135013A1
This compressor is provided with a container having an oil storage part in the bottom of which oil accumulates, the container being installed such that either a rotating shaft is inclined relative to the direction of gravity or the rotat...  
WO/2018/132730A1
A refrigeration system includes first and second compressors and an oil separator. The oil separator includes an inlet for receiving refrigerant and oil from the first compressor, a refrigerant outlet, and an oil outlet. The oil separato...  
WO/2018/131273A1
The purpose of the present invention is to provide a motor drive device and a refrigeration apparatus capable of achieving suppression of motor current distortion caused by direct-current voltage ripples while adopting a small-capacity s...  
WO/2018/131467A1
This refrigerating device (90) has a refrigerant circuit (80) including a utilization unit (20). The utilization unit (20) has: a heat exchanger (22); a first refrigerant pipe (71) and a second refrigerant pipe (72) which are connected t...  
WO/2018/131089A1
This refrigeration cycle device is provided with: a screw compressor; an oil accumulation section in which refrigeration machine oil discharged from the screw compressor is collected; an oil injection path which is a flow path for the re...  
WO/2018/129670A1
An ice making machine set and a refrigeration system, the ice making machine set comprising: a vertical fluid storage tank (2), which is vertically arranged and which is provided with a fluid inlet port and an air outlet port, a refriger...  
WO/2018/131309A1
This air conditioner (1) is configured such that a heat exchanger (101) satisfies the relationship 0.003≤Gr/N≤0.035 between the circulation amount (Gr) [kg/s] of a heat medium and the number of paths (N) [pieces], the heat exchanger ...  
WO/2018/131156A1
This flow path switching device is installed in a refrigeration cycle circuit having a compressor, a heat radiator, and a capillary tube and is located between the heat radiator and the capillary tube. The flow path switching device is p...  
WO/2018/127969A1
The present invention provides a heat source system which supplies, to a load device, hot heat or cold heat. The heat source system includes a heat source machine provided with a refrigerant circuit in which a compressor, a heating mediu...  
WO/2018/124083A1
An oil equalization control device, provided with: a sensor information acquisition unit for acquiring, in a refrigerant circuit provided with a plurality of compressors, a state quantity relating to the amount of refrigerating machine o...  
WO/2018/122943A1
An air conditioner capable of simultaneous warming and cooling operation, with which it is possible to selectively perform air-cooling operation or air-warming operation with each indoor unit, wherein a relay device is provided with: a f...  
WO/2018/123927A1
A refrigerant circuit system including a refrigerant circuit provided with compressors, a heat exchanger, a four-way valve, an expansion valve, and pipes for connecting said elements and circulating a refrigerant, as well as a control de...  
WO/2018/125171A1
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/2018/116404A1
This heat pump utilization equipment comprises a refrigerant circuit, a heat medium circuit, and a heat exchanger which performs heat exchange between a refrigerant and a heat medium. The main circuit of the heat medium circuit has a bra...  
WO/2018/119287A1
Systems and methods for scroll unloading detection are provided and include a scroll compressor having a scroll compression mechanism. A controller determines a predicted discharge temperature of the scroll compressor, receives an actual...  
WO/2018/116407A1
This refrigeration cycle device (1) comprises a compressor group (3), a four-way valve (5), a first heat exchanger (7), an expansion valve (9), a second heat exchanger (11), an accumulator (13), and an oil storage (15). The oil storage (...  
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/2017/177287A3
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
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...  

Matches 701 - 750 out of 50,295