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WO/2019/142460A1 |
A housing (30) has a first frame (31) and a second frame (32) which is disposed between an Oldham's ring (60) and the first frame (31). The Oldham's ring (60) is provided with a key (62) protruding to the second frame (32) side. The surf...
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WO/2019/141766A1 |
Exhaust gas recirculation pump (30) for an internal combustion engine that includes an electric motor (32) disposed within a housing (36). A Roots device (38) is coupled to the electric motor (32) and includes a housing (40) defining an ...
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WO/2019/141767A2 |
A method of operating exhaust gas recirculation pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump operably connected to an i...
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WO/2019/142258A1 |
This scroll compressor is provided with a moveable frame, wherein a valve chamber and a regulating valve are provided in the moveable frame. The valve chamber has an intermediate-pressure chamber, a high-pressure chamber, and a low-press...
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WO/2019/142315A1 |
This rotary compressor comprises, within a hermetic container, an electric motor section, and a compression mechanism section in which a refrigerant is compressed by a drive force transmitted from the electric motor section. The compress...
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WO/2019/139484A1 |
The invention relates to a rotary sliding vane machine (1) for fluid processing, comprising a housing (2) with a cavity (4) with a rotor (9). Vanes (12) are arranged in outwardly directed slots (13) in the rotor (9), and relative sliding...
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WO/2019/137700A1 |
The disclosure relates to a vacuum pump (1; 30) of dry type comprising: • -two shafts (6, 7) respectively bearing at least one pump rotor (8), the pump rotors (8) being configured to rotate synchronously in opposite directions to carry...
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WO/2019/139485A1 |
The invention relates to a rotary sliding vane machine (1) for fluid processing, comprising a housing (2) with a cavity (4) with a rotor (9). Vanes (12) are arranged in outwardly directed slots (13) in the rotor (9), and relative sliding...
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WO/2019/137852A1 |
A dry-running rotary-screw compressor comprises two screw rotors in a housing (26) that forms a suction chamber. Preferably atmospheric pressure is applied to a compressor inlet (28) of the compressor and preferably a pressure of more th...
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WO/2019/138553A1 |
In a scroll compressor (1) according to the present invention, a compression chamber (RC) is formed between a fixed scroll (40) and an orbiting scroll (30) due to meshing of an orbiting lap (32) and a fixed lap (42). The scroll compresso...
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WO/2019/134869A2 |
The invention relates to a compressor (100), in particular a screw compressor, for generating compressed air and to a method for controlling such a compressor (100). The compressor (100) comprises a compressor block (4) with liquid injec...
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WO/2019/135083A1 |
A compressor or expander (100) comprises two opposed end faces (106), at least four rotors ( 102) arranged in a group to form an enclosed volume (104) additionally bounded by the end faces (106), and a valve in fluid communication with t...
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WO/2019/134364A1 |
A compressor crankshaft (1) and a compressor (2) having the same, wherein the crankshaft (1) comprises: a shaft body (11); an eccentric portion (12), which is formed at an appropriate distance from a lower end of the shaft body (11), whe...
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WO/2019/128793A1 |
A one-way valve and a scroll compressor. The one-way valve (200) comprises: a valve plate (210) on which a valve opening (212) for a fluid to pass is provided; a valve reed (220) arranged above the valve plate (210) and constructed to se...
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WO/2019/132666A1 |
A sealing arrangement for a sliding vane machine for compressing or expanding a fluid, for sealing between a rotating plane surface on a rotor and a machine housing to prevent flow of process fluid between an internal volume to an extern...
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WO/2019/119751A1 |
Provided are a pump body assembly and an assembly method therefor. The pump body assembly comprises a first cylinder assembly (10), a second cylinder assembly (20) and a third cylinder assembly (30) sequentially arranged in the vertical ...
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WO/2019/123026A1 |
The present invention concerns a screw compressor structure (10), particularly for refrigerating circuits, comprising: a containment body (11), comprising: an intake mouth (12) for a fluid to be compressed, a discharge mouth (13) for a c...
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WO/2019/123737A1 |
This scroll component is provided with a fixed scroll made of an aluminum alloy and an oscillating scroll made of an aluminum alloy, wherein the fixed scroll and/or the oscillating scroll is provided with: an iron-based plating layer for...
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WO/2019/119503A1 |
A method for modifying performance of a rotor profile by adjusting meshing line segments, comprising the following steps: step 1, dividing a meshing line of a bilateral profile into 8 functional segments; step 2, constructing each functi...
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WO/2019/122870A1 |
A scroll pump anti-rotation device for resisting relative rotational movement between two scrolls and a scroll pump comprising such a device is disclosed. The anti-rotation device comprises : an elongate member forming an inner ring; an ...
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WO/2019/123609A1 |
This hermetic compressor is provided with: a hermetic container in which a refrigerant suction pipe is connected to a cylindrical body section; and a compression element contained in the hermetic container, the compression element having...
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WO/2019/124291A1 |
[Problem] To reduce noise and vibration of a compressor by stably seating, on a block support surface formed in an inner peripheral surface of a housing, a block member provided between a compression mechanism and an electric motor that ...
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WO/2019/124880A1 |
A screw compressor of the present invention comprises: a housing having a compression chamber; male and female rotors provided in the compression chamber; a driving shaft for rotating the male and female rotors; and a seal cover across w...
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WO/2019/124045A1 |
A liquid supply mechanism (10) has: a plurality of liquid supply sections (1) each provided with a plurality of branch flow passages (3a, 3b, or 4a, 4b) having intersecting center axes; and a supply flow passage (5) for supplying to the ...
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WO/2019/115716A1 |
A super charger assembly includes a supercharger having a housing including an air inlet and an air outlet linked by an air chamber. Rotors are disposed in the air chamber. At least one port is formed in the supercharger housing between ...
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WO/2019/115897A1 |
Scroll-type positive-displacement machine comprising: a first, fixed structure (2) formed by a first transverse disk-shaped end plate (2001), of which one of the surfaces forms a scroll base from which rises a wall defining a first scrol...
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WO/2019/116435A1 |
The present invention relates to a scroll compressor (1) in which a compression chamber (RC) is formed between a fixed scroll (40) and an orbiting scroll (30) due to an orbiting lap (32) and a fixed lap (42) engaging with each other. At ...
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WO/2019/111661A1 |
This liquid-feeding screw compressor is provided with: a casing that accommodates a screw rotor and a bearing, and that has an air intake and an intake chamber connected to the air intake; an intake throttle valve that is installed at th...
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WO/2019/112159A1 |
The present invention relates to an electric compressor capable of fixing a shaft seal without a fixing retainer of the shaft seal, the electric compressor comprising: a shaft (300) rotatably coupled inside a main housing (100a); and a s...
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WO/2019/111650A1 |
The present invention effectively cools air in a compression process at a high stage when oil is supplied with equal pressure at a low stage and the high stage. This liquid-cooling type compressor provided with: a liquid-cooling type com...
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WO/2019/109703A1 |
A scroll compressor and an air conditioner provided with the same. The scroll compressor comprises a movable plate (10) and a static plate (20). The movable plate (10) engages with the static plate (20) to form compression cavities. Ther...
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WO/2019/109609A1 |
A compressor and an air conditioner are provided herein. The compressor comprises a main shaft (1), a first cylinder (2), and a second cylinder (3). The main shaft (1) sequentially passes through the first cylinder (2) and the second cyl...
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WO/2019/110611A1 |
The disclosure relates to rotating devices having at least one rotor (3) and a rotor bearing part, at least for receiving, conveying, compressing, expanding, expanding, igniting and/or combusting a working fluid or at least for pumping, ...
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WO/2019/104811A1 |
Disclosed are a screw compressor, an air conditioning device, and a volume efficiency adjusting method for the screw compressor. The screw compressor comprises a body (1), a female rotor (2), a male rotor (3) and an atomization structure...
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WO/2019/104995A1 |
Disclosed are fluid machinery and a heat exchanging device having same, wherein the fluid machinery comprises: a rotating shaft (50); an air-liquid separation assembly, wherein the air-liquid separation assembly has a separation cavity (...
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WO/2019/108238A1 |
A scroll device is disclosed having a housing, a motor having a shaft, an orbiting scroll connected to the shaft for moving the orbiting scroll, a fixed scroll mated to the orbiting scroll, an idler shaft for aligning the orbiting scroll...
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WO/2019/107306A1 |
In the present invention, a fixed scroll (210A) comprises a lubricating oil introduction passage (40) that serves as a first passage for supplying, to the inside of a scroll compressor part (30), a lubricating oil located inside an oil s...
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WO/2019/105037A1 |
A pump body assembly, a compressor and an air conditioner, the pump body assembly comprising: an upper flange (10), the upper flange (10) comprising a disc part (11) and a neck part (12) extending upward from the disc part (11); the oute...
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WO/2019/104983A1 |
A compressor and an air conditioner having the same, wherein the compressor comprises: a first compression part (10), a second compression part (20), an intermediate cavity (30) and an intermediate channel (40). Refrigerant discharged fr...
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WO/2019/104993A1 |
A compressor and an air conditioner having same. The compressor comprises: a first-stage air cylinder (10), comprising a first-stage compression chamber (11); and a second-stage air cylinder (20), comprising a second-stage compression ch...
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WO/2019/100697A1 |
Disclosed are a multi-stage compressor and an air-conditioner with the same. The multi-stage compressor comprises: a first-stage cylinder (10), comprising a first-stage compression chamber (11) and a first sliding vane (12) arranged in t...
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WO/2019/100913A1 |
A compressor (1), and an air conditioning system having the same. The compressor (1) has a first pneumatic cylinder (3) and a second pneumatic cylinder (4). The first pneumatic cylinder (3) is constructed such that compression involves t...
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WO/2019/102615A1 |
This single screw compressor is provided with an affixation section for affixing the tooth section of a gate rotor and a gate rotor support. The affixation section is provided with a fitting section which is provided to the tooth section...
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WO/2019/102748A1 |
Provided is a rotary compressor which comprises: a rotating shaft (12) extending along an axis (A); a bearing (13) for rotatably supporting the rotating shaft (12); an electric motor for rotationally driving the rotating shaft (12); and ...
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WO/2019/097708A1 |
This scroll compressor is provided with: a fixed scroll; a rocking scroll that forms a compression part together with the fixed scroll; a frame that holds the rocking scroll; a sealed container that accommodates the fixed scroll, the roc...
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WO/2019/093109A1 |
An oil-cooled screw compressor 1 is provided with: a screw rotor 40 comprising a male rotor 50 and a female rotor 60 which engages with the male rotor 50; a rotor casing 10 for containing the screw rotor 40; and a plurality of oil supply...
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WO/2019/093107A1 |
This compressor 1 is provided with: a male rotor 50; a female rotor 60 which is meshed with the male rotor 50 and has more teeth than the male rotor 50; a rotor casing 10 which defines a male rotor compartment 31 for housing the male rot...
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WO/2019/094922A1 |
Power systems and methods of controlling an engine driven air compressor include an air compressor driven by an engine via a clutch. A first pressure sensor configured to sense a pressure level at an outlet of the air compressor. An inle...
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WO/2019/092773A1 |
This screw rotor lead correction calculating device is provided with: an initial data input unit which receives an error, as a distance of each position, in an axial direction, of a rotor groove portion of the screw rotor relative to a r...
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WO/2019/093647A1 |
Disclosed is a compressor having an improved structure capable of reducing noise of a broad frequency band. A rotary compressor comprises: a shaft; a flange for supporting the shaft; a cylinder including a compression room in which the s...
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