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Matches 1 - 50 out of 44,481

Document Document Title
WO/2017/026115A1
A compressor control unit (83) controls an operation frequency (FQ) of a compressor (21a) so that the temperature of a refrigerant suctioned into the compressor (21a) in a cooling operation becomes a desired evaporation temperature (Te)....  
WO/2017/026129A1
To provide an ammonia refrigeration device that is smaller and more efficient than a prior-art ammonia-condensing cooling cycle provided with a cooling tower and a cooling water pump. An ammonia refrigeration device (100) characterized i...  
WO/2017/026025A1
This multiple-type air conditioner (100) is provided with a first indoor unit (110A) and a second indoor unit (110B). In a case where the first indoor unit (110A) is stopped and the second indoor unit (110B) operates while a second indoo...  
WO/2017/027701A1
A system (20; 300) comprises: a vapor compression loop (38; 338); a low-pressure or medium-pressure refrigerant in the loop; a centrifugal compressor (42) along the vapor compression loop and comprising: a housing (120); an inlet (44); a...  
WO/2017/026011A1
This refrigeration cycle device is equipped with a refrigerant circuit and a control device. The refrigerant circuit has an internal heat exchanger, an injection pipe, and a second expansion valve. The internal heat exchanger performs he...  
WO/2017/026007A1
An output temperature Thw is obtained, the output temperature Thw being the temperature of a heating medium flowing out from a heating heat exchanger where heat is exchanged between a refrigerant compressed by a compressor and a liquid h...  
WO/2017/026369A1
This multiple-type air conditioner (100) is provided with a first indoor unit (110A) and a second indoor unit (110B). In a case where the first indoor unit (110A) is stopped and the second indoor unit (110B) operates while a second indoo...  
WO/2017/022060A1
Provided is a refrigeration cycle device, wherein a plurality of control boxes share a heat exhaust device to efficiently exhaust the heat in the control boxes, thereby reducing the installation space for the control boxes, and by securi...  
WO/2017/022421A1
This heat pump system includes: a compressor (13) which compresses and discharges refrigerant; a depressurization unit (17, 18) which depressurizes the refrigerant; an outdoor unit (16) which performs heat exchange between the refrigeran...  
WO/2017/024101A1
A vapor compression system comprises a compressor (22). The compressor comprises an inlet (40) and an outlet (42) and an electric motor (28). The motor has a stator (30) and a rotor (32). A plurality of bearings (36) support the rotor. A...  
WO/2017/022076A1
A refrigeration apparatus is provided with a heat source unit (1), a cooling unit (2), a low-pressure-gas pipe (5), and a bypass circuit (BC). Accommodated in the heat source unit (1) is a compressor (7), a condenser (8), and a pipe (1a)...  
WO/2017/022282A1
Provided is a refrigerator system with which refrigerators can be operated efficiently. This refrigerator system has: an upstream refrigerator having a first compressor that compresses a refrigerant, a first condenser that condenses the ...  
WO/2017/022101A1
This chilling unit is equipped with: a refrigerant circuit that is configured by a compressor, a four-way valve, an air heat exchanger, a main expansion valve, and a water heat exchanger being sequentially connected by piping and circula...  
WO/2017/022626A1
A control device for a vehicle-mounted electric compressor (11) forming a two-stage compression refrigeration cycle device, said control device being equipped with: a speed reduction control unit (S23) that controls the AC current output...  
WO/2017/018272A1
Provided is an exterior unit forming a portion of a refrigerating cycle device in which a refrigerant circulates and having an opening for maintenance, said exterior unit being provided with: an opening/closing panel that is attached to ...  
WO/2017/017767A1
The purpose of the present invention is to: reduce fluctuations in the discharge temperature of a compressor, such fluctuations corresponding to changes in the opening of an expansion valve; suppress an excessive increase in the discharg...  
WO/2017/017088A2
Disclosed is a refrigeration system comprising a refrigerant circuit, a heat exchanger, an expansion member which, in the active state, cools the entire mass flow of the refrigerant by expanding same, in said process generating a main ma...  
WO/2017/017024A1
A charge gas compression train (1) for ethylene,comprising on the same shaft line a steam turbine (2) and a first compressor (60) comprising a first group of compression stages(3), a second group of compression stages(4) and a third grou...  
WO/2017/016377A1
Disclosed is an oil separation barrel, which is provided with an oil separation and filtration structure (3) and comprises an oil separation cavity and an exhaust port (4). An exhaust airflow is filtered by the oil separation and filteri...  
WO/2017/017813A1
Provided is an exterior unit forming a portion of a refrigerating cycle device in which a refrigerant circulates and having an opening for maintenance, said exterior unit being provided with: an opening/closing panel that is attached to ...  
WO/2017/014027A1
[Problem] To prevent contamination of gas into a liquid pump in order to improve the pump efficiency. [Solution] This Rankine cycle system is provided, in a circulation path 2 through which a working medium circulates, with: an evaporato...  
WO/2017/014030A1
In the present invention, if rapid cooling is unnecessary (No in S2), an air-conditioning ECU 40 sets the target compression ratio of a compressor 23 (S4), and calculates a compression ratio (S5). If the compression ratio is higher than ...  
WO2017010007A1
An air conditioner is provided with: a refrigeration cycle circuit for circulating a refrigerant through pipelines connecting a compressor, a heat-source-side heat exchanger that is divided into a plurality of regions for performing heat...  
WO2017009955A1
The present invention improves the efficiency of a refrigeration system by accurately ascertaining the amount of heat currently in a load-side apparatus. The present invention comprises: a heat pump chiller 1 that includes a water-refrig...  
WO/2017/010294A1
Provided is an air conditioning machine capable of inhibiting a refrigerant, which is recovered in an outdoor heat exchanger after a pump-down operation has ended, from counter-flowing in a refrigerant circuit from a discharge hole of a ...  
WO2017010289A1
This heat pump cycle is provided with: a first utilization side heat exchanger (12) for exchanging heat between a high-pressure coolant discharged from a discharge port of a compressor (11) and a heat exchange target fluid and heating th...  
WO/2017/011437A1
The present invention provides an economizer component, including: a housing; an economizer chamber and an inter-stage flow path chamber, formed inside the housing by using a separator; a condenser connecting port and an evaporator conne...  
WO2017010239A1
This refrigeration cycle device is provided with: a compressor (11) that suctions and discharges a coolant; an air-coolant heat exchanger (12) that exchanges heat between air and the coolant; an expansion valve (15) that reduces the pres...  
WO/2017/006455A1
The present invention provides a method for evaluating the cleanliness of a coolant line in a refrigeration system, in which it is possible to accurately determine the cleanliness of a coolant line in a refrigeration system. A refrigerat...  
WO/2017/006389A1
This heat pump device 1 is provided with a compression mechanism which compresses a coolant, a motor which drives the compression mechanism, a shell 31 which houses the compression mechanism and the motor, a discharge muffler 2 which is ...  
WO/2017/006387A1
This heat pump device 1 is provided with a compression mechanism for compressing a coolant, a motor for driving the compression mechanism, a shell 31 for housing the compression mechanism and the motor, a discharge muffler 2 disposed out...  
WO/2017/006775A1
A refrigeration system is provided with a first evaporator (14), which constitutes part of a refrigeration cycle (10) for circulating a first refrigerant containing a lubricant oil together with a compressor (11) for compressing the firs...  
WO/2017/005707A1
The present invention relates to heat pump systems using water as the thermal fluid, and in particular to heat pump systems capable of producing binary ice. The heat pump system comprises a unit, a first heat exchange system, and a secon...  
WO/2017/006723A1
The present invention prevents a drop in performance and seizing of a compressor due to oil trapped inside an evaporator of a switchable showcase when a solenoid valve is provided on the refrigerant downstream side of the evaporator. A s...  
WO/2017/006474A1
This refrigeration cycle device is equipped with: a refrigeration circuit which includes a compressor, a condenser, a throttle device, and an evaporator; a control unit which controls the refrigeration circuit; and an abnormality determi...  
WO/2017/005843A2
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/2017/007708A1
A method for controlling multi-stage centrifugal compressors is provided. It allows an optimization of compressor head and efficiency at each compression stage and is specifically valuable at reduced compressor flow.  
WO/2017/006452A1
In order to ensure the oil concentration in a compressor under circumstances where thermo-off conditions are met, this air-conditioning device is equipped with: a refrigerant circuit which is configured by a compressor, an indoor heat ex...  
WO/2017/002377A1
This refrigeration cycle device comprises: a refrigerant circuit including a compressor, a load-side heat exchanger, a high-pressure-side flow path of an internal heat exchanger, an expansion device, and a heat-source-side heat exchanger...  
WO/2017/002238A1
This refrigeration cycle device comprises: a refrigerant circuit including a compressor, a load-side heat exchanger, a high-pressure-side flow path of an internal heat exchanger, an expansion device, and a heat-source-side heat exchanger...  
WO/2017/002365A1
The present invention addresses the problem of deterioration of cooling performance when stabilizing cooling performance in refrigeration system using refrigerant circulation. The cooling device according to the present invention compris...  
WO/2017/002817A1
A flow channel switching valve is provided with: a first circulating section; a second circulating section that is in communication with the first circulating section; a third circulating section; a fourth circulating section that is in ...  
WO/2017/004017A1
A method of producing refrigeration includes compressing a refrigerant composition including R1233zd in a compressor (22) having a magnetic bearing (44, 46, 48), within a chiller system (10).  
WO/2017/002546A1
Provided is an air conditioner for a vehicle such that the reliability of the air conditioner is increased by precisely safeguarding decompression. On the basis of a detected value of an intake temperature sensor and a limit target value...  
WO/2016/207993A1
In the present invention, an air conditioner has a heat source device, a plurality of indoor devices, and a relay device connected between the heat source device and the plurality of indoor devices via refrigerant pipelines. A heat-sourc...  
WO/2016/208337A1
Provided is a vehicle air conditioning device that makes it possible to maintain control properties in a dehumidification mode while avoiding inconveniences such as increases in the temperature of an outdoor expansion valve and decreases...  
WO/2016/208008A1
This heat source apparatus including: a compressor; an air heat exchanger; a load-side heat exchanger that performs heat exchange between a refrigerant and a heat medium flowing through a load; and a main expansion valve connected betwee...  
WO/2016/204194A1
An air-conditioner (1), in which a liquid pressure adjustment expansion valve (37) is provided to the portion of an outdoor liquid refrigerant tube (25) nearer a liquid coolant connection tube (6) than a refrigerant cooler (35), the liqu...  
WO/2016/204076A1
Provided is a chiller device for plasma processing device which chiller device can implement accurate temperature-keeping control and perform etching of a sample at required accuracy and uniformly, even when the sample as a target for a ...  
WO/2016/201623A1
Disclosed is a refrigeration cycle device, which is constituted by a condenser (70), an expansion valve (71), an evaporator (72) and a plurality of compressors (10, 20). A seal housing (14, 24) of each compressor is provided with a rotar...  

Matches 1 - 50 out of 44,481