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Matches 851 - 900 out of 49,229

Document Document Title
WO/2017/113938A1
Provided are a positive-displacement compressor, a two-stage compressor system, and a control method thereof. The compressor system comprises a compressor (1) comprising low-pressure cylinders (111, 112) and a high-pressure cylinder (114...  
WO/2017/110011A1
A hermetic compressor is provided with a flexible oil fence (162) having an affixation section (166) which is one end of the oil fence (162) and which is affixed to the upper surface (156) of a cylinder (122) located between a shaft (136...  
WO/2017/109824A1
Provided is a refrigeration cycle device capable of reliably and responsively detecting refrigerant leaks over a long period of time. The refrigeration cycle device is provided with: a refrigerant circuit (40) for circulating a refrigera...  
WO/2017/110608A1
Provided is a chiller device having a function of enabling accurate and simultaneous heat-insulation control on workpieces having heat-insulation range conditions which are different from each other, by an inexpensive structure but witho...  
WO/2017/109905A1
An air-conditioning/hot-water supplying combined system which is provided with: a heat source unit that is equipped with a compressor and a heat-source-side heat exchanger; and a hot water supplying unit that is equipped with a refrigera...  
WO/2017/104085A1
This outdoor machine for a freezing cycle apparatus is installed in an outer wall internal space of a building, and is provided with: a casing; a heat exchanger housed in the casing; a first blower that suctions air passing through the h...  
WO/2017/104095A1
The purpose of the present invention is to provide a controller for EC fan motor control such that an EC fan motor is used for reducing power consumption, and an electronic controller is used, thereby achieving a reduction in size and we...  
WO/2017/103987A1
The present invention comprises: a housing; a refrigerant circuit which is provided with a compressor of variable operation frequency, a condenser, a decompression device, and an evaporator that are disposed within the housing, and a low...  
WO/2017/102122A1
Refrigeration system bypass valve (19) which, in defined operating conditions, allows gaseous refrigerant compressed by a compressor of a refrigeration system to bypass the compressor and thus be recirculated from a high-pressure side of...  
WO/2017/098655A1
In this refrigeration cycle device (100), a refrigerant circulates in the order of: a compressor (1); a condenser (2); a first expansion valve (4); and an evaporator (5). The refrigeration cycle device (100) is equipped with a first bypa...  
WO/2017/098795A1
This refrigeration cycle device is equipped with: a first expansion valve (13) which decompresses the refrigerant flowing out from a high-pressure-side heat exchanger (12); an outdoor heat exchanger (14) which heat exchanges the refriger...  
WO/2017/100314A1
A refrigeration system includes a plurality of compressors connected in series. Each compressor has an oil sump located in a gravitational bottom of the compressor. A common supply line supplies refrigerant and oil to each of the plurali...  
WO/2016/139432A3
In a process for separating a gaseous mixture by separation at sub-ambient temperature, the gaseous mixture at a first pressure is cooled, then separated in a separation unit, a liquid is drawn off from the separation unit and vaporized ...  
WO/2017/094114A1
A condenser of a refrigeration cycle device of the present invention is provided with: a first flow channel configured from a first flat heat transfer pipe, a first end portion of which is connected to the compressor, and a second end po...  
WO/2017/094173A1
An air conditioner is provided with a plurality of outdoor units, a plurality of indoor units, a relay unit, an outdoor-heat-exchanger temperature detection unit, an indoor-heat-exchanger temperature detection unit, a discharge temperatu...  
WO/2017/094147A1
An air conditioner (10) is provided with a compressor (1), condenser (2), expansion valve (3), evaporator (4), and temperature detection unit (7). The compressor (1) compresses a refrigerant. The condenser (2) condenses the refrigerant t...  
WO/2017/095843A1
A transport refrigeration unit that may be applied to a tractor trailer system includes a compressor constructed and arranged to compress a natural refrigerant, a condenser heat exchanger operatively coupled to the compressor, and an eva...  
WO/2017/094172A1
Provided is an air conditioning device capable of performing normal air conditioning operations by eliminating excessive temperature increase of a discharging refrigerant. An air conditioning device of the present invention is provided w...  
WO/2017/094594A1
In order to inhibit incomplete melting of frost in the lower part of a frosted service-side heat exchanger (51) during a defrosting operation in the reverse cycle of a refrigeration device, and also to prevent the configuration and contr...  
WO/2017/095631A1
Methods and systems for operating a refrigeration unit are provided. The methods and systems include measuring a first characteristic of a refrigeration unit, calculating a compressor middle stage pressure based on the first measured cha...  
WO/2017/085886A1
A refrigeration cycle device (1) that comprises a compressor (10), a condenser (22), an expansion valve (30), an evaporator (40), and a control device (100). The compressor (10) compresses a coolant. The condenser (20) condenses coolant ...  
WO/2017/005843A3
The compressor system (1) comprises: a first compressor (7) having a compressor suction side (7S) and a compressor delivery side(7D); an anti-surge line (23) having an inlet (23A) and an outlet (23B); an anti-surge valve (25) arranged al...  
WO/2017/087628A1
A method of determining charge loss of a refrigeration system includes the steps of inputting an ambient temperature, a box temperature, and a compressor speed into an electronic controller of the refrigeration system, and calculating a ...  
WO/2017/087208A1
A system may include first and second compressors, first and second heat exchangers, a flash tank, and first, second and third fluid paths. The first compressor may include first and second inlets. The second compressor may receive fluid...  
WO/2017/086346A1
The purpose of the present disclosure is to provide: a vehicular air-conditioning device that comprises a refrigeration cycle including an internal heat exchanger and a cooling fan for a condenser, and in which excessive use of the cooli...  
WO/2017/086183A1
An internal temperature adjusting device (400) is provided with a heat pump (430), an inside heat exchanger (435), and an outside heat exchanger (433). The inside heat exchanger functions as either an evaporator or a condenser of the hea...  
WO/2017/085784A1
Provided are: an air conditioning device configured so that the amount of oil within a compressor can be maintained at an appropriate level to prevent the deterioration of efficiency caused by oil compression by the compressor; and an op...  
WO/2017/086328A1
The present invention provides a refrigerant composition that combines both ASHRAE non-flammability performance and a low GWP. Specifically, the present invention provides a composition containing a mixture of fluorinated hydrocarbons, s...  
WO/2017/085813A1
Provided is an air conditioner such that the refrigeration oil and gas refrigerant accumulated in the interior of an accumulator can be effectively taken out therefrom. This air conditioner is equipped with a refrigerant circuit through ...  
WO/2017/085812A1
The heat pump hot-water supply device according to the present invention is equipped with: a refrigerant circuit which is configured by a compressor, a hot-water supply heat exchanger, a heat-collecting throttle device, a heat storage he...  
WO/2017/086343A1
The present disclosure relates to a vehicular air-conditioning refrigeration cycle including an internal heat exchanger, and a vehicle equipped with said refrigeration cycle, and the purpose of the present disclosure is to provide: a veh...  
WO/2017/081157A1
A vapour compression system (1) comprising an ejector (9), a primary evaporator (17) and a secondary evaporator is disclosed. The vapour compression system (1) further comprises a flow control device (19) arranged with an inlet communica...  
WO/2017/083349A1
Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors.  
WO/2017/081782A1
The purpose of the present invention is to provide an exhaust heat recovery heat pump device such that the liquid compression of the high-stage compressor of a two-stage compressor during the start-up of the device can be reliably avoide...  
WO/2017/083095A1
A refrigeration unit may include a first compressor constructed and arranged to compress a first refrigerant, and a second compressor constructed and arranged to compress a second refrigerant. A first condenser of the refrigeration unit ...  
WO/2017/081781A1
The purpose of the present invention is to provide an exhaust heat recovery heat pump device such that the liquid compression of the high-stage compressor of a two-stage compressor can be reliably avoided when the high-stage compressor o...  
WO/2017/082198A1
A battery warm-up mode for controlling at least one of an air conditioner fan 106 and a battery fan 107 is executed so that the air side temperature efficiency of an air conditioner heat exchanger 102 becomes higher than the air side tem...  
WO/2017/076798A1
A method for operating a compressor unit (2) comprising one or more compressors (8, 9, 10) is disclosed, the compressor unit (2) being arranged in a vapour compression system (1). Two or more options for distributing the available compre...  
WO/2017/077644A1
A refrigeration cycle device (100) is provided with a refrigerant circuit (110) and a control device (70). The refrigerant circuit (110) is configured such that a compressor (10), a condenser (20), an expansion valve (30), and an evapora...  
WO/2017/073688A1
The purpose of the invention is to suppress an excessive increase in refrigerant pressure. This air conditioner (100) comprises an indoor fan (302), an indoor heat exchanger (301), and a control unit (310). The indoor heat exchanger (301...  
WO/2017/073212A1
This refrigeration cycle device is provided with: compression mechanisms (11a, 12a) for compressing and discharging a refrigerant; a radiator (13) for causing a heat exchange of the discharged refrigerant with outdoor air; an expansion v...  
WO/2017/073367A1
Provided is an evaporative condenser that efficiently condenses and liquefies a gaseous refrigerant that is sequentially fed after circulating through a condensation cooling cycle. Further provided is a refrigeration system that is equip...  
WO/2017/073087A1
Provided is an evaporative condenser that efficiently condenses and liquefies a gaseous refrigerant that is sequentially fed after circulating through a condensation cooling cycle. Further provided is a refrigeration system that is equip...  
WO/2017/072831A1
The purpose of the present invention is to provide an air conditioning device which enables a heating medium with a flow rate corresponding to a heat load of each utilization-side heat exchanger to be delivered to each utilization-side h...  
WO/2017/071289A1
An enhanced vapor injection air conditioning system (100) comprises a vapor injection compressor (1), a directional control component (2), a first outdoor heat exchanger (3) and a second outdoor heat exchanger (4) sequentially connected....  
WO/2017/073433A1
A heat pump 2 is provided with: a motor 6 driven by input power; a first compressor 8 that is mechanically connected to the motor 6 and compresses air; a first heat exchanger 14 for exchanging heat between water and compressed air compre...  
WO/2017/069487A1
In an air-conditioning system according to an aspect of the present invention, a gaseous refrigerant remaining in a reservoir can be discharged from the reservoir even when a cooling operation has started and the reservoir is being fille...  
WO/2017/068649A1
In the present invention, a main circuit (110) includes a compressor (10), an outdoor heat exchanger (20), a main expansion valve (30), and an indoor heat exchanger (40), and is configured so as to allow a refrigerant to circulate theret...  
WO/2017/068902A1
An air conditioning system (1) provided with backup operation control units (61A, 61B) that, when a compressor (10) of a particular outdoor unit among a plurality of outdoor units (2A, 2B) has malfunctioned, carries out a backup operatio...  
WO/2017/068631A1
A heat source system provided with: a coolant circuit obtained by connecting a compressor, a heat-source-side heat exchanger, an expansion valve, and a load-side heat exchanger; a heating medium circuit having a flow amount adjustment pu...  

Matches 851 - 900 out of 49,229