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Patent Searching and Data


Matches 1 - 50 out of 3,226

Document Document Title
WO/2018/089569A1
A rotary drive for a cryocooler and related cryocooler are disclosed. The rotary drive generates a gas pressure wave for the cryocooler. The rotary drive may include a crankcase, a crankshaft within the crankcase, and a cylinder position...  
WO/2018/082347A1
Provided is a water chilling unit (100), comprising: a compressor (1), an oil separator (4) which is connected to a condenser (3), an evaporator (2) and an oil return device (5). In the oil return device (5), a lead-in end (a) of a Ventu...  
WO/2018/076734A1
Provided is an air-conditioning system (100), comprising: a compressor (1), in which a variable frequency motor (11) is arranged; a condenser (2) comprising a first refrigerant flow passage and a first water flow passage; an evaporator c...  
WO/2018/070630A1
[Problem] Power consumption of a heat pump system is reduced by promoting homogeneous mixing of a refrigerant and a refrigerating machine oil. [Solution] An apparatus: includes a fluid-guide unit, which is assembled by concentrically com...  
WO/2018/061549A1
A compressor (12), air heat exchangers (50, 60), a receiver (15), and a system electrical component box (81) which correspond to each other are installed as one unit in each of a plurality of frame parts (70A, 70B, 70C, 70D) which are ar...  
WO/2018/063965A1
Disclosed is a refrigerant liquid-gas separator (114) thermally coupled to electronics (119) to transfer heat away from the electronics, and assist in vaporizing the liquid refrigerant. The liquid-gas separator device (114) includes a re...  
WO/2018/052694A1
A refrigeration system and a lubricating method thereof. The refrigeration system (100) includes: a compressor (110), a condenser (120), an evaporator (130), and a lubrication circuit (200), the lubrication circuit including a post-lubri...  
WO/2018/041403A1
The invention relates to a compressor (10), particularly a refrigerant compressor, comprising a compressor housing (14) and at least one piston (12) arranged in a cylinder in a reciprocal manner and driven by an electric motor (16), said...  
WO/2018/044218A1
A gas compressor, comprising a compressor chamber comprising a chamber inlet for gas and a chamber outlet for gas A gas heating device comprising a heater chamber having a heater inlet for gas and a heater outlet for gas. The gas heating...  
WO/2018/043797A1
The present invention relates to a compressor and a chiller system including the compressor, the compressor comprising: one or more impellers for suctioning a refrigerant in an axial direction and compressing the same in a centrifugal di...  
WO/2018/038918A1
A vapor compression system (20, 400, 420, 440, 460, 480) has: a compressor (22) having a suction port (40) and a discharge port (42); a heat rejection heat exchanger (58) coupled to the discharge port to receive compressed refrigerant; a...  
WO/2018/038926A1
A vapor compression system (20; 400; 420) comprises: a compressor (22) having a suction port (40) and a discharge port (42); a heat rejection heat exchanger (58) coupled to the discharge port to receive compressed refrigerant; a heat abs...  
WO/2018/035265A1
The present disclosure relates to an oil flow switch, comprising a float device connected to a circulating oil passage and a floating liquid level switch element provided in the float device, wherein the float device comprises an oil inl...  
WO/2017/222138A1
The present invention relates to a fluid cooling apparatus for improving the efficiency of a fluid liquefaction process by appropriately lowering, various sections of the temperature range of a fluid through a simple process. The fluid c...  
WO/2017/220702A1
A method for controlling a valve arrangement (10) interconnecting at least one oil separator (8) and an oil receiver (9) in a vapour compression system (1) is disclosed. A pressure difference between a pressure prevailing inside the oil ...  
WO/2017/215493A1
Disclosed is a refrigerating unit (100), comprising an oil-free centrifugal compressor (1), an evaporator (2) and a condenser (3). The oil-free centrifugal compressor (1) comprises a motor (11), a bearing (12) and an impeller (13). The b...  
WO/2017/206239A1
A heat pump module (100) for a clothes processing device, and the clothes processing device. The heat pump module (100) for a clothes processing device comprises a base plate (1), a top cover (2), and a compressor (5). A mounting chamber...  
WO/2017/207526A1
The invention relates to a cooling system (1) comprising, connected in a loop by fluid lines and in succession, a compressor (2), a condenser (3), an expansion valve (4) and an evaporator (5), further comprising an internal heat exchange...  
WO/2017/186259A1
In order to improve a method for selecting a frequency converter for a coolant compressor unit, comprising a coolant compressor and an electric drive motor, in such a way that the frequency converter is selected in an application-optimis...  
WO/2017/185713A1
Provided are an outdoor unit (100) for a multi-online unit system, and a multi-online unit, the outdoor unit (100) comprising: a main air-return duct (7); a plurality of compressors, the air-return port (6) of each of the compressors bei...  
WO/2017/175014A1
New device to protect a compressor against liquid flooding, oil heater malfunction, low refrigerant charge, high superheat. The system consists of a device that measures two temperatures separated by a heat source (The electric compresso...  
WO/2017/175014A4
New device to protect a compressor against liquid flooding, oil heater malfunction, low refrigerant charge, high superheat. The system consists of a device that measures two temperatures separated by a heat source (The electric compresso...  
WO/2017/164586A1
An aspect of the present invention provides a cooling device used for a compressor and, more particularly, to a cooling device for a compressor, comprising: a fan device; a housing on which the fan device is installed; a plurality of hea...  
WO/2017/156104A1
A transport refrigeration unit (10) is provided and includes a refrigeration cycle having a refrigerant routed there through, the refrigeration cycle including a compressor (20), a condenser (22), an evaporator (26) and an expansion valv...  
WO/2017/148932A1
A heat pump comprises a condenser having a condenser housing; a compressor motor which is attached to the condenser housing and has a rotor (307) and a stator (308), wherein the rotor has a motor shaft (306) to which is attached a radial...  
WO/2017/148934A1
A heat pump comprises a condenser (114) with a condenser housing; a compressor motor which is mounted on the condenser housing (114) and which has a rotor and a stator (308), wherein the rotor has a motor shaft (306) on which a compresso...  
WO/2017/127241A1
A method of operating a multiple-compressor refrigeration system is provided. This method includes the steps of supplying, via a common supply line, refrigerant gas and oil to a plurality of compressors coupled in series, and attaching a...  
WO/2017/126539A1
In a configuration provided with a plurality of multistage compressors connected in parallel and an injection circuit for feeding a refrigerant gas of an intermediate pressure into the individual housings of the multistage compressors, t...  
WO/2017/123602A1
A centrifugal compressor (22) for a chiller (10) includes a casing (30), an inlet guide vane (32), an impeller (34) downstream of the inlet guide vane (32), a motor (38) and a diffuser (36). The casing (30) has inlet and outlet portions ...  
WO/2017/123598A1
A centrifugal compressor (22) for a chiller (10) includes a casing (30), an inlet guide vane (32), an impeller (34) downstream of the inlet guide vane (32), a motor (38) and a diffuser (36). The casing (30) has inlet and outlet portions ...  
WO/2017/123042A1
An embodiment of the present invention relates to a deep freezer. A deep freezer according to an embodiment of the present invention comprises a plurality of heat exchangers installed to an inlet pipe and performing a heat exchange of a ...  
WO/2017/120539A1
A refrigeration system comprises a heat source to be cooled and a heat sink into which heat can be rejected, the system having a capacity of from about 2 to about 30 tons and comprising a heat transfer composition comprising a refrigeran...  
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/2017/102122A1
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/2017/104929A1
The present disclosure relates to a refrigerator, an operation method of a refrigerator, and a computer-readable recording medium. A refrigerator according to an embodiment of the present disclosure may comprise: a compressor including a...  
WO/2017/097014A1
Provided are a compressor and a heat exchange system. The compressor comprises a compression component (1) and a housing (2). The housing (2) at least partly surrounds the compression component (1). A gas-liquid separation chamber is for...  
WO/2017/099814A1
Heat is recovered from a heat source to heat water to high temperatures. Apparatuses, systems and methods are described to heat water to a high temperature by using heat, such as may be considered in some instances as waste heat, recover...  
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/2017/076588A1
The invention relates to a domestic refrigeration appliance (1) and to a method for operating a domestic refrigeration appliance (1). The domestic refrigeration appliance (1) comprises a heat-insulated basic structure (10) with a coolabl...  
WO/2017/075584A1
Exemplary embodiments include tanks for cooling liquid where at least two thermoelectric chips come into contact with and cool a plurality of conductive fins that each extend into the interior of the tank where they come into contact wit...  
WO/2017/066575A1
A vapor compression system (20) comprises: a compressor (24) having a suction port (26) and a discharge port (28); a refrigerant flowpath (33) from the discharge port and returning to the suction port; a first heat exchanger (30) along t...  
WO/2017/059021A1
A method of controlling the temperature in cavities of a refrigerator (10) cooled by a refrigeration circuit having a compressor (18) and an evaporator (32) includes the steps of: monitoring the duty cycle of the compressor (18); determi...  
WO/2017/053596A1
A system and method of controlling an oil flow within a refrigeration system, the system including a compressor, an expansion device in flow communication with the compressor, and an electronic controller in communication with the expans...  
WO/2017/050551A1
The present invention relates to a refrigerating device (100) having a refrigeration circuit with a high-pressure region comprising a compressor (103, 133) for compressing a refrigerant, with a refrigerant transfer point, a liquefier for...  
WO/2017/047934A1
Disclosed are: an accumulator fixing device for a compressor, the device being capable of minimizing the generation of vibration and noise; and an air-conditioning apparatus including the same. The disclosed accumulator fixing device com...  
WO/2017/036230A1
A compressor module comprises at least two compressors (1, 2) both provided with an oil-balancing hole and connected in parallel to each other; an oil separator (4) with an inlet communicated with the discharge ports of the at least two ...  
WO/2017/032630A1
The invention relates to a domestic refrigeration appliance (1) and to a method for operating a domestic refrigeration appliance (1). The domestic refrigeration appliance (1) comprises a heat-insulated basic body (10) with a coolable inn...  
WO/2017/032962A1
A pump is described comprising first and second chambers each having an inlet and an outlet. The inlet of each chamber is selectively in fluid communication with an inlet line and the outlet of each chamber is selectively in fluid commun...  
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/2017/017024A1
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...  

Matches 1 - 50 out of 3,226