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WO/2016/168569A1 |
A refrigeration system comprising: an electric control device comprising a case and an electronic device arranged in the case; a refrigeration loop comprising a compressor, a condenser, an electromagnetic valve, an expansion device and a...
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WO/2016/160873A1 |
A vapor compression system (20) has: a centrifugal compressor (22) having an inlet (40) and an outlet (42); and an electric motor (28) having a stator (30) and a rotor (32). A plurality of bearings (36) support the rotor. A refrigerant c...
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WO/2016/145504A1 |
A hermetic reciprocating compressor for a dual-evaporation refrigerating system has two suction passages (11,12) for receiving refrigerant from two independent evaporators, and includes a suction acoustic filter (2) disposed inside the h...
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WO/2016/025723A9 |
A system includes a compressor driven by a motor. A condenser receives working fluid from the compressor. An evaporator is in fluid communication with the condenser and the compressor. A first sensor produces a first signal indicative of...
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WO/2016/123765A1 |
A refrigeration system and rotating compressor (100) thereof, the rotating compressor (100) comprising: an air cylinder (1) provided with an air cylinder chamber (11) therein; a piston (2) disposed in the air cylinder chamber (11); an up...
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WO/2016/111189A1 |
A cooling device for liquefied gas (1) is provided with: a gas passage (2) in which liquefied gas, which is liquefied via cooling, flows; and a refrigeration device (3) in which a refrigeration cycle (10) is formed by an evaporator (7), ...
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WO/2016/111188A1 |
A cooling device for liquefied gas (1) is provided with: a gas passage (2) in which liquefied gas, which is liquefied via cooling, flows; and a refrigeration device (3) in which a refrigeration cycle (10) is formed by an evaporator (7), ...
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WO/2016/068601A1 |
Provided are a heat storage apparatus that can efficiently store heat discharged from a compressor and an air conditioner having the same. In the air conditioner that includes the heat storage apparatus that stores heat discharged from t...
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WO/2016/040408A1 |
In one aspect, a refrigeration system is provided. The refrigeration system includes a compressor coupled to a variable frequency drive (VFD), a condenser, an evaporator, an oil separator, and an oil conditioning circuit. The oil conditi...
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WO/2015/175857A1 |
An elongated non-metal, corrosion resistant compressor mounting base plate structure useful for an appliance such as a refrigerator unit including (I) a base plate having a top surface and a bottom surface, wherein the base plate is adap...
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WO/2015/158174A1 |
A refrigeration device, comprising: a compressor unit (1) and an air supplementation device (5). The compressor unit (1) comprises a primary path compression chamber and an auxiliary path compression chamber (P3). The primary path compre...
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WO/2015/156064A1 |
Provided is a heat pump device achieving long term reliability by using an insulating material that is not readily hydrolyzed. An electric motor (6) of a compressor (1) comprises a stator (6s) that is fixed to a sealed container (10) and...
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WO/2015/148004A1 |
A centrifugal compressor (22) comprises: a case (160) having a suction port (24) and a discharge port (26); an impeller (162, 164) mounted for rotation about an impeller axis (500) by a plurality of bearings (80, 82); and a motor (34) co...
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WO/2015/121116A1 |
The invention relates to a heat engine (1) having a circuit system (2) which conducts a fluid (16) and which has at least one evaporation device (3) by means of which the fluid (16) can be evaporated, having at least one compression devi...
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WO/2015/122169A1 |
Provided is an air conditioner that, even when combining the use of an electric source drive outdoor unit and a non-electric source drive outdoor unit, sufficiently secures refrigerating machine oil of a non-electric source drive compres...
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WO/2015/114783A1 |
The present invention is equipped with: a compression mechanism unit (35) that compresses a refrigerant and is provided within a shell (8) serving as a sealed container; a crankshaft (4) that imparts rotational force to the compression m...
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WO/2015/110752A1 |
In a cooling facility (2) comprising a compressor (4) for compressing a refrigerant fluid circulating in the cooling facility (2), the compressor (4) is lubricated with an oil that has a solubility threshold in the refrigerant fluid of l...
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WO/2015/110753A1 |
The invention relates to a cooling method implementing a cooling facility (2) comprising at least one exchanger (6) for transferring heat from the heat-producing fluid to the refrigerant fluid, the cooling facility (2) being connected to...
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WO/2015/104330A1 |
The invention relates to a heat pump system (1) for producing cold, comprising: a main circuit (10) whereon an evaporator (20), a compressor (11), a condenser (21) and an expansion valve (12) are successively arranged; a cold recovery ci...
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WO/2015/089362A1 |
A centrifugal heat pump system includes a steam system with a steam supply, a steam turbine and a steam condenser connected in a steam loop; and a refrigerant system including a first compressor and a second compressor, a refrigerant con...
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WO/2015/082789A1 |
The invention relates to a device for cooling and/or liquefying, at a low-temperature, a working fluid containing helium or consisting of pure helium. The device (1) includes a working circuit provided with a compressor station (2) and a...
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WO/2015/075390A1 |
A heat pump comprising a closed circuit intended to contain a refrigerant fluid and a lubricant miscible with the refrigerant fluid, the closed circuit comprising a fluid compressor (1) and a fluid return circuit for returning fluid to t...
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WO/2015/075393A1 |
A heat pump comprising a closed circuit containing a refrigerant fluid and a lubricant, the closed circuit comprising a fluid compressor (1) and a fluid return circuit for returning fluid to the compressor, the compressor extending in th...
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WO/2015/075394A1 |
A method for improving the thermodynamic performance of a heat pump, the pump comprising a closed fluid circuit, the fluid circuit comprising a compressor (1), a condenser (2), an expander (3), an evaporator (4), a first pipe and a compr...
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WO/2015/071128A1 |
In the case of a cooling circuit comprising a refrigerant compressor with a suction port and with a pressure chamber which has a pressure port, comprising a liquefier which is arranged in the cooling circuit downstream of the pressure po...
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WO/2015/068092A1 |
The heat pump P is designed for a household appliance H, in particular laundry treatment appliance H, and comprises a rotary compressor 1, a condenser 2, a restrictor 3, and an evaporator 4, wherein the condenser 2 is of an expanded tube...
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WO/2015/069373A1 |
A fluid collection assembly includes a vaporizer configured to vaporize a refrigerant to separate the refrigerant from a liquid and a sump configured to collect the liquid in a trough formed by a junction of two diagonal sides of the sum...
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WO/2015/053939A1 |
A method and apparatus for controlling temperature of a compressor motor (170) having a motor cooling circuit in a refrigeration system (1014) is provided. The motor cooling circuit includes a second expansion valve (1043) providing flui...
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WO/2015/050701A1 |
An elongated non-metal, non-corrosive compressor mounting base plate structure (40) including (I) a base plate segment (50) having a top surface (51) and a bottom surface, wherein the base plate segment (50) is adapted for receiving a co...
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WO/2015/009323A1 |
Disclosed herein are aspects and embodiments of an air conditioning system and a method of operating the air conditioning system. In one example, an air conditioning system includes a compressor selectively operated by a first power sour...
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WO/2014/204745A1 |
A refrigerant system includes a compressor having a flow of compressor lubricant therein, the compressor compressing a flow of vapor refrigerant therethrough. An evaporator is operably connected to the compressor and includes an environm...
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WO/2014/198627A1 |
The invention relates to a method for operating a heat pump (1) comprising the following steps: a fluid is condensed by means of at least one condensation device (5); the fluid is expanded by means of at least one expansion device (6); t...
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WO/2014/197968A1 |
An compressor utilizing a flow of fluid down a vertical column to entrain air, or other gas, and compress it under the head of the flow. Compressed air is then separated from the flow in an air separation chamber at the bottom of the ver...
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WO/2014/200476A1 |
A centrifugal compressor for a refrigeration system is disclosed. The centrifugal compressor includes an electric motor, which includes a rotor and a stator. The compressor further includes a housing enclosing the electric motor, a stato...
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WO/2014/190737A1 |
An oil return method for multiple air conditioning unit in heating, comprising the steps of: S1, adjusting the operation frequency f0 of a compressor (11) to a first predetermined oil return frequency f1, and at the same time adjusting t...
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WO/2014/180749A1 |
The invention relates to a device (10) having at least one electronic component (14) and having at least one refrigeration machine (12) for cooling the electronic component (14), wherein the refrigeration machine (12) has a refrigerant c...
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WO/2014/179032A1 |
A compressor (22) has a housing assembly (40) with a suction port (24), a discharge port (26), and a motor compartment (60). An electric motor (42) has a stator (62) within the motor compartment and a rotor (64) within the stator. The ro...
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WO/2014/173641A1 |
The invention relates to a method and a device for cooling an engine, wherein the engine drives at least one at least two-stage compressor (2) of a refrigerant circuit (1), which compressor comprises at least a first compression stage (3...
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WO/2014/158329A1 |
A vapor compression system (20) comprises a compressor (22) having one or more bearing systems (66, 68) supporting a rotor and/or one or more working elements (44). One or more bearing feed passages (114) are coupled to the bearings to p...
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WO/2014/158468A1 |
A compressor (22) has a housing assembly (40) with a suction port (24), a discharge port (26), and a motor compartment (60). An electric motor (42) has a stator (62) within the motor compartment and a rotor (64) within the stator. The ro...
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WO/2014/131587A1 |
The invention relates to a refrigerant compressor system, comprising at least one low-pressure stage and at least one high-pressure stage, a suction duct leading from a suction connection for the refrigerant to the low-pressure stage, an...
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WO/2014/130530A1 |
A system for reducing the refrigerant pressure in an oil sump (10) or in a cavity (352) of a housing. The invention is particularly useful for reducing pressure in a compressor (23) for heat pump applications that has been validated for ...
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WO/2014/130356A1 |
A method of lubricant management in a heating ventilation and air conditioning (HVAC) system includes flowing a volume of a compressor lubricant and refrigerant mixture from an evaporator into a lubricant still and stopping the flow of t...
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WO/2014/115555A1 |
A heat pump device (100), provided with an evaporator (10), an electrochemical compressor (11), a condenser (16), a coolant transfer path (18), and a non-condensable gas return path (28). The non-condensable gas return path (28) is a dif...
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WO/2014/096194A1 |
A mechanical arrangement for providing rotary drive into a vessel containing high-pressure gas from a motive source (10) which is exposed to atmospheric pressure, wherein a housing of the motive source is sealed against one end of an elo...
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WO/2014/091018A1 |
The present invention relates to a compressor unit for compressing refrigerant, having an electric drive motor which has a motor housing (30) which encapsulates the drive motor (1) with respect to the environment (U), and having a compre...
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WO/2014/089551A1 |
Cooling systems and methods for controlling the temperature of motors of gas compression systems of chillers are disclosed. Certain systems utilize a centrifugal, two stage compressor equipped with a motor between the stages. The cooling...
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WO/2014/085111A1 |
A system (10) includes a condenser (32) and an evaporator (66). The condenser (32) is configured to condense a working fluid, and the evaporator (66) is configured to evaporate the working fluid. The system (10) also includes piping that...
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WO/2014/039159A1 |
A compressor (20) has a case (22) and a pair of feet (70A, 70B). The feet are alternatively mountable in a first orientation and a second orientation orthogonal to the first orientation.
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WO/2014/023694A2 |
The invention relates to a method for controlling a compressor of a refrigeration system, said compressor having a motor, wherein the temperature of the cooling point is controlled by means of switch-on and switch-off operation of the mo...
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