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WO/2022/124707A1 |
The prevention invention relates to an electric compressor for a vehicle, and provides an electric compressor structure for a vehicle, wherein an electrical connection structure between a sealing terminal connecting an inverter unit to a...
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WO/2022/103163A1 |
The invention relates to a device for compressing a gaseous fluid, in particular a scroll compressor for compressing a refrigerant. The device (1) has a housing (2) with a wall (12) and a compression mechanism with an immovable stator (3...
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WO/2022/096859A1 |
Scroll pump comprising an inlet and an outlet, a fixed scroll (120) intermeshed with an orbiting scroll (130) to define a space therebetween for pumping fluid from the inlet to the outlet, a biasing apparatus (170) configured to bias the...
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WO/2022/087922A1 |
A positive-displacement air compressor. The compressor comprises a crankshaft eccentric crank (1), an inner rotor (2), an outer rotor (3), and a housing (4). The crankshaft eccentric crank (1) has a crank axis O3, the housing (4) has a h...
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WO/2022/041486A1 |
A fixed scroll (100) of a scroll compressor (10), comprising a substrate (110) and a fixed scroll (120) that extends from a first end surface (110a) of the substrate (110) for defining a series of compression cavities of the scroll compr...
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WO/2022/043357A1 |
Vacuum pump having a housing which defines a pump chamber and a drive chamber. A rotor is arranged in the housing, wherein the rotor has at least one rotor element arranged in the pump chamber for conveying a gaseous medium from an inlet...
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WO/2022/034292A1 |
A pump for pumping a gas, the pump comprising: a rotor and a stator; the rotor comprising at least one liquid opening configured for fluid communication with a liquid source. The liquid opening is configured such that in response to a dr...
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WO/2022/034291A1 |
A pump for pumping a gas, the pump comprising: a rotor and a stator; the rotor at least one liquid opening configured for fluid communication with a liquid source. The liquid opening is configured such that in response to a driving force...
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WO/2022/000872A1 |
A scroll compression mechanism and a scroll compressor. The scroll compression mechanism comprises: a movable scroll (20); and a fixed scroll assembly comprising a fixed scroll (30, 30a, 30b) and a cover plate (100, 100a, 100b), the fixe...
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WO/2022/005212A1 |
The invention relates to a scroll compressor and a method for oil enrichment and distribution, wherein the scroll compressor includes a compressor housing, two scrolls, a respective base plate, an eccentric drive, a drive shaft, an axis ...
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WO/2021/260505A1 |
The present disclosure relates to a two-stage rotary vane vacuum pump casing 200 that comprises an exterior surface 202 and a first plurality of cooling fins 204 (214) protruding from the exterior surface 202, wherein each cooling fin 20...
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WO/2021/249829A1 |
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) has a piston pump (6) for feeding fuel to the internal combustion engine (3) and a gear pump (7) designed to feed the fuel to the piston pump (...
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WO/2021/242690A1 |
A compressor may include a shell, first and second scroll members, a floating seal, a muffler plate, and a wear ring. The shell defines a discharge chamber and a suction chamber. The floating seal may sealingly engage the second scroll m...
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WO/2021/234395A1 |
A scroll pump and scroll vacuum pump are disclosed. The scroll vacuum pump comprises: an orbiting scroll; and a fixed scroll; and a pump housing enclosing a pump chamber of the scroll vacuum pump. The pump further comprises an axially ex...
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WO/2021/231604A1 |
A compressor includes a shell assembly, a muffler plate and a compression mechanism. The shell assembly has a suction chamber and a discharge chamber. The muffler plate is disposed within the shell assembly and separates the suction cham...
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WO/2021/228459A1 |
The invention relates to a scroll compressor (6) of an electrical refrigerant drive (2), comprising: a housing (20) having a low-pressure chamber (46) and a high-pressure chamber (48) and having compression chambers (S, K, D, DD) and a c...
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WO/2021/228460A1 |
The invention relates to a scroll compressor (6) of an electrical refrigerant drive (2), comprising: a housing (20) having a low-pressure chamber (46) and a high-pressure chamber (48) and having compression chambers (S, K, D, DD) and a c...
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WO/2021/222112A1 |
A compressor includes a shell, a first scroll member, a second scroll member and a sealing assembly. The shell defines a first pressure region and a second pressure region. The first scroll member is disposed within the shell and include...
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WO/2021/215652A1 |
A compressor according to embodiments of the present invention may include an avoidance part which is provided by denting or forming a recess on a partial area of at least one of the fixation wrap and the rotation wrap and is provided to...
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WO/2021/201521A1 |
The present invention provides a scroll compressor comprising: a main housing having a suction chamber into which a refrigerant flows, and accommodating a motor and a rotating shaft joined to the motor in the suction chamber; a main fram...
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WO/2021/194154A1 |
An embodiment of the present invention provides a scroll compressor comprising: a housing; a motor provided inside the housing; a rotary shaft rotated by the motor; an orbiting scroll that orbits in conjunction with the rotary shaft; and...
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WO/2021/186713A1 |
The rotary compressor of the present embodiment has a rotating shaft, an electric motor, a compression mechanism, a balancer, and a balancer cover. The compression mechanism has a cylinder, a main bearing, and a layshaft. The balancer is...
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WO/2021/182749A1 |
A valve assembly forms a check valve for a scroll compressor including a fixed scroll having a pair of injection ports fluidly coupled to a compression mechanism. The valve assembly includes a valve body having a pair of flow paths with ...
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WO/2021/182841A1 |
Provided is a scroll compressor with enhanced sealing structure of a back pressure chamber. The scroll compressor includes a housing, a fixed scroll fixed to inside of the housing and including a fixed wrap, an orbit scroll including an ...
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WO/2021/176222A1 |
Aspects of the present invention relate to a scroll pump (1; 101). The scroll pump (1; 101) has an axially extending drive shaft (15; 115); a fixed scroll (5; 105); and an orbiting scroll (3; 103). The drive shaft (15; 115) has an eccent...
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WO/2021/174792A1 |
Disclosed is a horizontal scroll compressor (100), comprising: a fixed scroll component (150), wherein the fixed scroll component (150) comprises a fixed scroll end plate (154), a spiral blade (156) formed on one side of the fixed scroll...
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WO/2021/165160A1 |
Dry vacuum pump (1) comprising an elastic outer seal (16) and at least one elastic inner seal (17) respectively comprising a first and a second end annular parts (161, 171, 162, 172) parallel to one another and inserted between a respect...
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WO/2021/158662A1 |
A multistage compressor system with intercooler can include a sealed housing with first and second compressor stages, where the first compressor stage is for receiving refrigerant from outside of the sealed housing, and the second compre...
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WO/2021/152294A1 |
A set of seals for sealing between the stator components of a pump, the stator components comprising two half shells defining at least one pumping chamber and two head plates to be mounted at either end of the two half shells. The set of...
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WO/2021/150240A1 |
An improved screw pump such as, for example, a twin screw pump, includes a casing including an internal chamber, and first and second rotors rotatably positioned within the chamber of the casing. The first and second rotors have an inter...
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WO/2021/137651A1 |
A lyophilizer comprising a plurality of vacuum pumps, according to one embodiment of the present invention, is a lyophilizer which dries samples in a pressure state less than or equal to the triple point of water, and comprises: a lyophi...
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WO/2021/130031A1 |
A multiple stage pump, a gasket and a method of servicing the pump are disclosed. The pump comprises: a stator, having a stator bore for receiving a rotor, the stator comprising multiple inter-stage walls for forming multiple pumping sta...
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WO/2021/125199A1 |
Provided is a sliding component capable of reducing sliding surface frictional resistance that accompanies eccentric rotation. A sliding component 7 that is a circular ring shape and has a sliding surface 7a relatively sliding in conju...
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WO/2021/125200A1 |
Provided is a sliding component that can reduce the frictional resistance of a sliding surface that accompanies eccentric rotation. In the sliding component 7 having an annular shape and having a sliding surface 7a that slides relative...
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WO/2021/119879A1 |
A screw vacuum pump having an internal nitrogen gas seal provided at a gas discharge side. A sealed nitrogen gas flow cavity (15) is provided between a mechanical seal (14) and a lip seal (13) in a front housing (2). A nitrogen gas flow ...
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WO/2021/125201A1 |
Provided is a sliding component that is able to reduce frictional resistance of a sliding surface sliding in conjunction with eccentric rotation. The sliding component 7 has an annular shape and has a sliding surface 7a that undergoes ...
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WO/2021/117601A1 |
Provided is a shaft seal that is able to reduce rotational torque and that has excellent sealing properties. A shaft seal 1 is an annular shaft seal that is attached to the outer-circumferential surface of a rotary shaft 6, thereby seali...
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WO/2021/110447A1 |
Rotor (7) for a multistage dry vacuum pump (1), the vacuum pump (1) including two shafts (5, 6) configured to turn in a synchronized manner in opposite directions in at least two pumping stages (1a-1f) to drive a gas to be pumped between...
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WO/2021/103773A1 |
A sealing structure for a vacuum pump. The sealing structure for a vacuum pump comprises a vacuum pump housing (1), a first mounting plate (4) is welded on a side face of the vacuum pump housing (1), a circular ring (5) is welded on the ...
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WO/2021/042956A1 |
A lubricating oil supply device (100, 200) and a rotary machine, the lubricating oil supply device (100, 200) comprising: an upper plate (82); a first angle plate (84) and a second angle plate (86), which extend downward from the upper p...
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WO/2021/040363A1 |
The present invention relates to a compressor, a multi-stage compression module, and a compression system, and provides a compression system comprising: a housing (12); a rotor (11) having a plurality of slots (112); a motor (20) for dri...
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WO/2021/013872A1 |
A scroll pump (100, 200) comprising a first scroll comprising a first spiral wall (124, 224); a second scroll comprising a second spiral wall (134, 234), the second spiral wall being intermeshed with the first spiral wall; and a pad (180...
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WO/2020/229163A1 |
The invention relates to a primary dry-type vacuum pump (1) comprising: - a stator (2) comprising at least one end part (14, 15) and at least two stator elements (10, 11, 12), and - two rotor shafts (7) for rotors (6) configured to rotat...
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WO/2020/222827A1 |
A vacuum scroll pump having an inlet portion having a pump inlet, and an exhaust portion having a pump outlet; a frame; a stationary scroll plate fixed to the frame and comprising a stationary plate comprising at least one stationary scr...
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WO/2020/217065A1 |
The invention provides a scroll pump comprising an orbiting scroll and a fixed scroll, wherein the orbital axis of the orbiting scroll is movable in a radial direction relative to the 5 fixed scroll while the orbiting scroll is orbiting ...
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WO/2020/200665A1 |
The invention relates to a lubricant receptacle (10) for a vacuum pump (100). The lubricant receptacle (10) comprises a lubricant reservoir (20), a lubricant separator (30) and an exhaust (12). A first gas connection (40) is provided bet...
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WO/2020/197598A1 |
A seal assembly configured for use with a high pressure single screw compressor includes a seal body and at least one attachment structure. The at least one attachment structure fixedly attaches the seal body to the rotor of the compress...
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WO/2020/177817A1 |
A method for operating a scroll compressor (110) for an air conditioner (100), said scroll compressor (110) having a fixed spiral (101) and a spiral (102) that can move relative to the other spiral and that is disposed in a housing chamb...
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WO/2020/168726A1 |
Provided are a compressor and a heat exchange device, wherein, the compressor comprises: a rotor structure (10); a crankshaft (20), which passes through the rotor structure (10); an oil-retaining structure (30), which is connected to the...
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WO/2020/166290A1 |
A compressor that comprises a rotary shaft (12), a rotary body (60) that has a rotary body surface (71) and a vane groove (130), a fixed body (90) that has a fixed body surface (100), a vane (131) that is inserted into the vane groove, a...
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