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WO/2022/122927A1 |
The invention relates to a shaft-hub connection for a pump rotor (3a) on a pump shaft (2a), comprising: a shaft (2) having a shaft outer surface (6) and a central axis (M); a hub (3) which has a hub opening (4) comprising a hub inner sur...
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WO/2022/120776A1 |
A mechanical pump assembly (10) and a vehicle. The mechanical pump assembly (10) comprises: a pump shaft (6), and a first transmission wheel (3) and a second transmission wheel (2) which are provided on the pump shaft (6); the first tran...
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WO/2022/119169A1 |
The present invention relates to an integrated control power conversion apparatus of an electric oil pump, the apparatus comprising: a power conversion module which receives input of a direct current voltage, converts the direct current ...
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WO/2022/117300A1 |
A rotor unit (27, 27A, 27B, 27C, 27D, 27E, 27F, 27G, 27H) for an eccentric screw pump (1), with a drive shaft (28) which can be driven with the aid of a drive element (29) of the eccentric screw pump (1), with a spiral rotor (30), and a ...
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WO/2022/111757A1 |
The invention relates to a gear pump (1), more particularly for an electrically operable drive train (2) of a motor vehicle (3), comprising a drive shaft (4), which can be driven by an electric motor (5), and a first pump pinion (6), whi...
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WO/2022/106085A1 |
Dry vacuum pump (1) comprising: - a stator (2) having at least one compression chamber (3) into which the gases to be pumped are intended to flow, - two rotors (4) configured for rotating in the at least one compression chamber (3) of th...
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WO/2022/103740A1 |
A pump operable to pump a flowable food product, comprising: a pump body (16) including an inlet port, an outlet port and an open impeller chamber (29); an impeller assembly (20) configured to be received within the open impeller chamber...
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WO/2022/096134A1 |
A variable displacement lubricant pump (10), comprising a housing (12), a housing cover (16), a rotor hub (35), a shiftable control ring (15), provided with a variable eccentricity and a pumping chamber (25), wherein the pumping chamber ...
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WO/2022/085457A1 |
An electric oil pump 1 comprises: a pump unit 2 that causes hydraulic pressure to be generated; a motor unit 3 that drives the pump unit; a substrate 4 in which a control circuit that controls the motor unit 3 is formed by a plurality of...
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WO/2022/086199A1 |
The present invention may provide a motor comprising: a shaft; a rotor coupled to the shaft; and a stator disposed so as to correspond to the rotor. The stator comprises: a stator core; an insulator coupled to the stator core; a coil dis...
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WO/2022/078758A1 |
The invention relates to a method for ascertaining leaks of a pump (10) comprising at least one displacement element (12) which displaces the medium to be pumped into a pressure line (20). The method has the steps of: a) blocking the pre...
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WO/2022/060634A1 |
In one example, a pump assembly configured to connect to a manifold of an applicator includes a pump, a drive motor unit, and a thermal isolation region. The drive motor unit includes an output drive shaft connected to the pump and a dri...
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WO/2022/058593A1 |
The invention relates to a progressive cavity pump (2) for pumping an agrifood liquid, the progressive cavity pump comprising a stator, a helical rotor and a drive device (8) comprising: - a casing (18) defining a suction chamber, - a dr...
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WO/2022/053959A1 |
Vacuum pump (1) comprising a machine body (2) configured to generate and maintain a pressure difference and a motor apparatus (3), operatively configured to generate driving power for an actuation of the machine body (2). The vacuum pump...
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WO/2022/048797A1 |
An exhaust gas recirculation pump for an internal combustion engine that includes an electric motor assembly having an electric motor disposed within an electric motor housing. A roots device is coupled to the electric motor. The roots d...
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WO/2022/044635A1 |
[Problem] To prevent excessive temperature increase without reducing the performance of a pump for suctioning vapor. [Solution] A pump device comprising: a pump housing; a rotor eccentrically accommodated in the pump housing; a groove fo...
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WO/2022/038136A1 |
Disclosed is a pump assembly (1) at least comprising a pump (2) having a discharge side (3) and a suction side (4), and a drive unit (5) for the pump (2), the pump (2) and the drive unit (5) being arranged in a common housing (6), the dr...
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WO/2022/038137A1 |
Disclosed is a pump assembly (1) at least comprising a pump (2) having a discharge side (3) and a suction side (4), and a drive unit (5) for the pump (2), the pump (2) and the drive unit (5) being arranged in a common housing (6), the dr...
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WO/2022/017093A1 |
A submersible pump, comprising a submersible pump housing (9), a motor (2), and a control box (1) which are coaxially arranged. The control box (1) is connected to one end of a motor housing; a submersible pump shaft (91) is provided in ...
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WO/2022/018022A1 |
The invention relates to an internal gear fluid machine (1), comprising a first gear wheel (3), which has an outer toothing (7) and is rotatably mounted about a first axis of rotation (5), and a second gear wheel which has an inner tooth...
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WO/2022/018023A1 |
The invention relates to an internal gear fluid machine (1), comprising a first gear wheel (3), which has an outer toothing (7) and is rotatably mounted about a first axis of rotation (5), and a second gear wheel which has an inner tooth...
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WO/2022/008139A1 |
The invention relates to a pump for conveying a fluid, comprising: - a pump housing (2) in which at least one pump element (3) is mounted so as to be rotatable about its pump element longitudinal axis (4); - a rotor (6) of a drive motor ...
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WO/2022/004466A1 |
This hydrostatic pressure unit is provided with: an inverter (17); a motor (10) controlled by the inverter; a pump (11) which is driven by the motor and which discharges a fluid; a detecting unit (16) which detects the pressure and/or th...
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WO/2022/000289A1 |
A rotor pump having a pressure relief protection function. The rotor pump comprises a rotor pump body (1), a support base (2) for supporting the rotor pump, an oil intake end pressure relief mechanism used for releasing pressure of an oi...
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WO/2021/253297A1 |
An oil pump gas-exhaust mechanism for an automatic transmission, and an automatic transmission and a vehicle, which belong to the technical field of automobile transmission. The oil pump gas-exhaust mechanism for an automatic transmissio...
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WO/2021/244917A1 |
The invention relates to a gear pump for the metered delivery of color coatings, in particular for use on a painting robot, the gear pump comprising two meshing gears which are mounted rotatably inside a pump housing by a driven drive sh...
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WO/2021/241067A1 |
A vane pump (100) according to the present invention comprises: a rotor (2) that is linked to a drive shaft (1); a plurality of vanes (3) that are provided to the rotor (2) so as to be capable of reciprocating motion in the radial direct...
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WO/2021/219471A1 |
A gear pump comprising a housing (1) with a spur-toothed drive gear (4) and a spur-toothed idle gear (5) that are mounted rotatably around two parallel rotation axes within the housing (1) with bushings (8), a connecting flange (2) that ...
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WO/2021/208874A1 |
A mechanical partition dual cam volumetric pump, comprising a pump body (1). A water inlet (102) and a water outlet (104) in communication with each other are provided on the pump body (1). A dual cam rotor (2) and a partition (3) are mo...
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WO/2021/209222A1 |
The application relates to an internal gear machine (10) for reversing duty having a housing (12) with a chamber (14), in the chamber (14) there are disposed an externally toothed pinion (16) and an internally toothed ring gear (18), whi...
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WO/2021/194187A1 |
The present disclosure provides a variable-capacity gerotor pump. The variable-capacity gerotor pump comprises: a casing having a cylindrical shape and comprising at least one pumping chamber having at least one fluid inlet/outlet formed...
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WO/2021/190975A1 |
The invention relates to an electrical screw pump for liquids, comprising: a drive shaft (1) which is mounted rotatably relative to a pump housing; a drive spindle (2) which is mounted rotatably in a spindle track of the pump housing; wh...
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WO/2021/164843A1 |
The present invention relates to a device (1, 30) for recirculating an at least partially gaseous composition containing hydrogen, wherein the device (1, 30) is a dry rotary pump comprising a first rotary shaft (13) and a second rotary s...
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WO/2021/166683A1 |
This pump device comprises: a drive shaft member (6); a rotor (8) which is rotated by the drive shaft member and has an insertion hole (83) into which the drive shaft member is inserted, and a slit (80); a vane (81) provided in the slit ...
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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/2021/150240A1 |
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/2021/145352A1 |
In order to manufacture a variable displacement pump which comprises first to third outer recesses 40-42 which are disposed in the inner peripheral surface 3b of a pump housing chamber 3 of a pump body and which are recessed in an arc sh...
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WO/2021/142177A1 |
An axial flux motor water pump comprising a housing, a cover attached to the housing, a stator mounted within the housing, the stator comprising a plurality of stator poles mounted in a ring, each stator pole comprising an electric wire ...
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WO/2021/137364A1 |
The present invention relates to a Moineau pump-type quantitative liquid-discharging apparatus. The present invention comprises: a stator having a slot hole formed therein; a main shaft comprising a first shaft part and second shaft part...
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WO/2021/130862A1 |
Provided is a crosslinked fluororesin-coated rotor manufacturing method by which an outer rotor of an internal gear pump is manufactured, the crosslinked fluororesin-coated rotor including: an annular outer rotor having an inner circumfe...
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WO/2021/130863A1 |
A method for producing a crosslinked fluorine resin coating pump rotor having a flat rotor lateral surface, and being provided with a coating layer of a crosslinked fluorine resin on the rotor lateral surface, the method comprising: scre...
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WO/2021/126899A1 |
A stator for a mud motor and methods for manufacturing and using the same, of which one such method includes obtaining a mud motor having a stator made at least partially from a rubber. At least a portion of the rubber is cured by at mos...
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WO/2021/126766A1 |
A crescent member is disclosed which is configured to be in constant contact with outer and inner gear teeth to prevent unwanted fluid backflow between the gears. The crescent member may be part of a low-pressure fuel pump system for a d...
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WO/2021/116928A1 |
Motor (100) comprising a stator (20), a rotor (10), a fluid feeder (60) comprising a heating chamber (73), wherein said rotor (10) comprises a multiplicity of radial housings (14), a multiplicity of elastic means (45) housed in a radial ...
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WO/2021/116378A1 |
Improved bushing assembly (10) for supporting the shafts of the intermeshed rotors of a positive displacement rotary pump avoiding, jamming, said bushing assembly (10) comprising on a lateral surface (13) thereof at least one compensatio...
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WO/2021/118533A1 |
An improved screw pump such as, for example, a twin screw pump is disclosed. In one embodiment, the screw pump includes a casing, first and second intermeshing rotors, and a liner positioned between the first and second rotors and the ca...
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WO/2021/112327A1 |
The present invention relates to a rotor having a cooling function and, more specifically, to a rotor having a cooling function for cooling down a friction area by circulating a supplied fluid in order to prevent a phenomenon in which, w...
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WO/2021/109759A1 |
A triangular rotor pump, comprising a housing, the housing comprising a side wall (100), and a first end cover (210) and a second end cover (220) respectively disposed at two ends of the side wall (100), and further comprising a triangul...
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WO/2021/107538A1 |
The present invention relates to a hydraulic pump which is attached to a device receiving the supply of hydraulic pressure and supplies the hydraulic pressure, in order to provide the hydraulic pump including two discharge ports and havi...
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WO/2021/101063A1 |
This pump comprises: a housing; a stator which is disposed in the housing and comprises a coil; and pump gears disposed so as to correspond to the stator, wherein the pump gears comprise an outer gear and an inner gear, which is disposed...
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