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Matches 1 - 50 out of 44,665

Document Document Title
WO/2017/048830A1
An intermediate discharge port in a scroll compressor and a method for controlling part- load efficiency of a scroll compressor are disclosed. The compressor includes a compressor housing; a non-orbiting scroll member and an orbiting scr...  
WO/2017/047354A1
This multi-stage compression refrigeration cycle device is equipped with: a low-stage compression mechanism (12a); a high-stage compression mechanism (11a); a radiator (13) which dissipates the heat of the high-pressure refrigerant disch...  
WO/2017/046853A1
The present invention comprises the following: a water heat exchanger that heats water by heat exchange with a refrigerant; a use-side heat exchanger that heats air inside a room by heat exchange with a refrigerant; a condensation temper...  
WO/2017/047621A1
This refrigeration machine oil, which includes an oxygen group-containing oil and a viscosity index improver, has a viscosity index (VI) of at least 200, and a volume resistivity of at least 1×109 Ω∙m.  
WO/2017/043036A1
A coolant compressor that is provided with an electric element and with a compression element that is driven by the electric element and that compresses a coolant. The compression element comprises at least one sliding member that compri...  
WO/2017/043035A1
A coolant compressor that stores lubricating oil that has a viscosity of VG2-VG100 in a sealed container and that also houses an electric element and a compression element. The compression element is driven by the electric element and co...  
WO/2017/042645A1
An outdoor unit (1) for an air conditioner, provided with flat heat transfer tubes (21a, 21b) which effectively reduce ventilation resistance. A heat exchanger (2) of the outdoor unit (1) for an air conditioner is provided with the plura...  
WO/2017/043471A1
[Problem] To make it possible for a scroll fluid machine that is a single-plate compressor-integrated expander to start easily and reliably and operate stably. [Solution] Coolant compressed in a compressing unit of a scroll fluid machine...  
WO/2017/042859A1
A first detection value I1, which is the value of the compressor current at the point in time when a first time has elapsed since the start-up of the compressor, is acquired (step S6). A second detection value I2, which is the value of t...  
WO/2017/043336A1
An ejector (100) is provided with: a body (200) in which a pressure reducing space (222), a suction passage (231) and a pressure boosting space (232) are formed; and a valve member (240) that forms a nozzle passage (224) and a diffuser p...  
WO/2017/042912A1
This air conditioner is provided with: a switching valve provided between an expansion valve and an outdoor heat exchanger; and a bypass circuit of which a first end part is connected to refrigerant piping for connecting a compressor and...  
WO/2017/038131A1
This two-stage pressure boosting type refrigeration cycle (10) has suction-side guide sections (101a, 101d) provided in a portion of a low stage-side suction pipe (101), said portion extending to a refrigerant suction side of a low stage...  
WO/2017/038232A1
This refrigerating machine is equipped with: a turbocompressor which compresses a refrigerant; a condenser which is equipped with one or more pipe groups (31) configured from a plurality of heat transfer pipes (30) through which cooling ...  
WO/2017/038446A1
The purpose of the present invention is to increase superheating of low pressure refrigerant by using heat from operating electric parts without impairing piping layout and maintenance by way of a simple and inexpensive configuration. Th...  
WO/2017/037771A1
A refrigeration cycle device configured such that, when starting a defrosting mode, a first depressurization device adjusts the flow rate of refrigerant so as to bring the superheat degree of the refrigerant on the intake side of a compr...  
WO/2017/038376A1
The purpose of the present invention is to install an intermediate cooler having a sufficient internal volume in a compact turbo refrigeration apparatus specifically using a low-pressure refrigerant, and reduce refrigerant pressure loss ...  
WO/2017/038161A1
The purpose of the present invention is to reduce the temperature of a refrigerant sucked in by a high-stage compressor and prevent the high-stage compressor from sucking in a liquid medium. This refrigeration cycle device has a compress...  
WO/2017/037788A1
Provided is a refrigeration cycle device with which, when collecting refrigerant in a refrigerant accumulation unit in the event of power outage, the residual amount of liquid refrigerant that remains in an inclined portion or a vertical...  
WO/2017/033724A1
An ejector is provided with a body (30) and a passage forming member (35). The body has formed therein: a pressure reducing space (30b); a suction passage (13b) through which a sucked-in refrigerant having been sucked in from a refrigera...  
WO/2017/032542A1
The invention relates to a refrigerant fluid circuit 1 intended to equip a motor vehicle for the air-conditioning of the vehicle interior, the refrigerant fluid circuit 1 comprising: - a compressor 2 comprising at least a first compressi...  
WO/2017/031616A1
A refrigerating unit comprises a compressor (10), a condenser (12), a liquid storage tank (14), an expansion mechanism (16), an evaporator (18), and a motor (22) driving the compressor (10). A working medium circulates among the compress...  
WO/2017/029819A1
This heat utilization apparatus is characterized by comprising: a heat pump (6) which has a first heat exchanger (3) and a second heat exchanger (4); a first heat storage unit (7) which stores the heat subjected to the heat exchange by t...  
WO/2017/031240A1
A closed loop system utilizing a solar refrigerant turbocharger and pump in conjunction with a solar collector to operate a heating and cooling system for a building by utilization of a renewable energy source. The liquid pump within the...  
WO/2017/029695A1
An air-conditioning device which melts a large amount of frost deposited thereon while maintaining the proper operation of a compressor by setting the defrosting operation time according to the low pressure of the compressor. This air-co...  
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 ...  
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/2017/010007A1
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...  
WO2017010294A1
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...  

Matches 1 - 50 out of 44,665