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WO/2024/039524A1 |
A multiphase pump system includes a pump (10) having first and second screw rotors (4) disposed within a pump body (A), and at least one inlet (3) in fluid communication with the first and second screw rotors, respectively. A discharge c...
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WO/2023/196325A1 |
A fluid handling protection system configured to prevent cavitation in a first pump can include a first pump, a first pump fluid inlet line, a first pump fluid outlet line, a first pump drive unit, wherein the first pump drive unit is op...
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WO/2023/136839A1 |
A positive displacement motor (PDM) is provided comprising an outer housing, a thermoplastic stator and a rotor. The PDM may additionally include a mechanism that allows the stator to be removable from the PDM when the PDM is not in oper...
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WO/2023/008999A1 |
The present invention relates to a motor assembly for driving downhole tooling, a downhole tooling and drilling rig comprising such motor assembly, and a method for manufacturing the rotor and rotatable stator of such motor assembly. The...
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WO/2023/280865A1 |
A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Ea...
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WO/2022/228761A1 |
The invention relates to a gear pump, comprising meshing gears, which are enclosed by a housing and have bearing journals disposed on shaft axes (9) and protruding laterally from the gears, the bearing journals being supported in the hou...
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WO/2022/157167A1 |
A rotary positive displacement pump (1) for pumping a fluid product. The pump (1) having a front side and a rear side and comprises a transmission housing (2) providing rotational support to first and second parallel and axially extendin...
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WO/2022/157168A1 |
A rotary positive displacement pump (1) for pumping a fluid product, wherein the pump (1) has a front side and a rear side. The pump comprises a transmission housing (2) having an axial front wall (38) and an axial rear wall and providin...
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WO/2022/109707A1 |
A rotary gear pump includes a housing, a drive gear, and an idler gear. The housing has a central axis extending in an axial direction, and defines an intake port, a discharge port, and a gear chamber in fluid communication with the inta...
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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/2022/035927A1 |
A metering distribution assembly (16) and a coating system. The metering distribution assembly includes a volumetric cavity pump that comprises a flow passage plate (6) having flow passages (61, 62, 63), a nozzle plate (1) with a flow pa...
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WO/2022/026572A1 |
A mud motor and a drill string having the mud motor. The mud motor includes a stator and a rotor. A lining between the stator and the rotor includes fibers forming a fiber pattern. The lining is a coating of at least one of a lobed inner...
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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/2021/247047A1 |
A pump system includes a pump barrel disposed within a housing. A standing valve is disposed at a first end of a pump chamber defined within the pump barrel. A traveling valve is disposed at a second end of the pump chamber. The travelin...
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WO/2021/170653A1 |
A rotary drive (1) comprises at least one stage, the at least one stage comprising a stator (4) and a rotor (6), the rotor (6) disposed within the stator (4), wherein a cavity (16) is defined between the stator (4) and the rotor (6), and...
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WO/2021/105362A1 |
The present invention relates to an apparatus able to pump grease or similar viscous fluids. The apparatus comprises a positive displacement pump unit comprising two serially connected pumps and a central or intermediate part forming a f...
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WO/2021/066979A1 |
A downhole tool including a downhole motor. The downhole motor may include a housing, a stator positioned within the housing, and a rotor positioned within the stator. The stator may include an elastomer compound that may include at leas...
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WO/2021/018937A1 |
The application relates to a positive displacement pump shaft bearing assembly that comprises a shaft having a shaft lodging and a shaft rotational axis. The assembly further comprises a housing having a housing lodging and one rolling e...
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WO/2021/001204A1 |
The invention relates to an electric screw-spindle coolant pump (1) for integration into a temperature-control circuit (50) of an assembly (5) to be temperature-controlled. An accommodating housing (15) comprises a feed line (57) and a r...
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WO/2020/260443A1 |
A thick matter pump with a conveying chamber (23) which extends along a closed path from an inlet opening (24) via an outlet opening (25) back to the inlet opening (24), with the result that the conveying chamber (23) forms a first conne...
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WO/2020/257033A1 |
Disclosed herein are pumps, pump rotors, and methods of using and manufacturing the same. The pumps may include a pump rotor. The pump rotor may include a first housing and a second housing. The second housing is located at least partial...
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WO/2020/245204A1 |
The present invention relates to a rotor comprising an asymmetrical structure for a pump, wherein the rotor comprises at least one cutting edge and at least one rounded edge, as well as the pump as such comprising one or more rotor(s).
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WO/2020/232231A1 |
A mud motor includes a rotor and a stator. Drilling fluid received by cavities of the mud motor drives the rotor to rotate within the stator. The rotor includes one or more rotor lobes extending helically and defining a rotor pitch. The ...
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WO/2020/210427A1 |
A progressive cavity pump (PCP) system includes a PCP with a rotor rotatably disposed in a stator, a permanent magnet motor, sucker rod(s), and a control system. The rotor is coupled to one of the sucker rods via a high-torque connection...
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WO/2020/181387A1 |
Several examples of a pressure balancing system for a pump. In one example, the pressure balancing system comprises: a housing; a first rotor within the housing having a first axis of rotation, a first shaft, a first face surface; a seco...
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WO/2020/150082A1 |
A progressive cavity pump or motor comprising: a stator comprising: a stator assembly having a radially outer surface and a radially inner surface defining a helical-shaped stator through-bore extending axially through the stator; and a ...
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WO/2020/020864A1 |
A volumetric pump comprising a chamber (1) having a breadth, B, an inlet volume with an inlet and an outlet volume with an outlet, separated from each other m pumping systems enclosed in the chamber, with m ϵ N, and m>1, each pumping sy...
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WO/2020/015873A1 |
A pump housing (4) for an eccentric screw pump, comprising a housing casing (5) extending along a housing longitudinal axis (L), a first end-face opening (6), to which a shaft seal (7) for a connection shaft (8) can be connected, and a s...
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WO/2020/009562A1 |
The present invention relates to a device that converts mechanical energy provided by a generator of external movement into hydraulic energy. This energy is used to displace a fluid through a pipe connected to flanges of the pump. The pu...
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WO/2019/215242A1 |
The invention relates to a method and a delivery apparatus for performing the method, wherein the delivery apparatus comprises an eccentric screw pump (2) having a rotor/stator unit (5) with an outlet (6), a drive unit (3), a control dev...
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WO/2019/191348A1 |
A method of forming a mud motor stator having a passage including a first end defining a first opening, a second end defining a second opening and an intermediate portion extending therebetween includes introducing a liner material into ...
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WO/2019/170518A1 |
A pump apparatus for a system housing (10) in a vehicle comprises a pump device (12a) arranged in a pump housing (12), which device can be driven by a motor (M) specific to the pump apparatus or an external motor, wherein at least the pu...
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WO/2019/160888A1 |
A well pumping assembly has a stator (13) mounted in a housing (33), the stator having an axially extending stator cavity (39). The stator has windings (127) that when powered create an electromagnetic field into the stator cavity. A pum...
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WO/2019/149390A1 |
A rain protection system (RPS) (100) includes a pump (110) having a pump housing (112). The RPS (100) includes a power source (202) housed with a control housing (120). The RPS (100) includes a control unit (122) housed inside the contro...
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WO/2019/149841A1 |
A rain protection system (RPS) (100) includes a pump (110) having a pump housing (112). The RPS (100) includes a control housing (120). The RPS (100) includes a power source (202) housed within the control housing (120). Further, the RPS...
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WO/2019/149840A1 |
A rain protection system (RPS) (100) includes a pump (110) having a pump housing (112). The (RPS) (100) includes a power source (202) housed within a control housing (120). The (RPS) (100) includes a control unit (122) housed inside the ...
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WO/2019/113704A1 |
A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particul...
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WO/2019/115366A1 |
The invention relates to a method for controlling a liquid pump/drive combination in a vehicle, control signals being generated in a data cloud located outside the vehicle.
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WO/2019/117484A1 |
The present invention relates to a rotary vane pump for wave power generation, in which a rotary vane equipped with a vane blade and coupled to a rotary shaft rotates forward and backward within a range in which a stopper is disposed in ...
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WO/2019/078903A1 |
A pump may include a housing having a first end and a second end and extending along a longitudinal axis and a discharge casing having a first end coupleable to the second end of the housing, the discharge casing extending along the long...
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WO/2019/048235A1 |
A pump (1) for pumping a liquid food product (F), comprising a star wheel (30) arranged to be driven by an impeller (20) to rotate around an axis (A2) that is offset from an axis (A1) of rotation of the impeller (20), an element (41) tha...
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WO/2018/208344A1 |
A gear pump for low speed transfers of viscous liquid slurries promotes growth of suspended particles, such as sugar crystals, by avoiding crushing of the panicles. The pump includes a rotor gear in mesh with an eccentrically mounted idl...
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WO/2018/189041A1 |
A screw-type compressor arrangement has a screw-type compressor with a rotor arrangement (11) for compressing air. The rotor arrangement (11) comprises a first rotor (12) which is arranged on a first rotor shaft (14), and a second rotor ...
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WO/2018/173937A1 |
[Problem] The purpose of the present invention is to provide a stator that has a long service life and can be used for a comparatively long period of time as a result of suppressing breakage of the stator caused by being assembled with o...
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WO/2018/161532A1 |
A hydrogen circulation pump for a hydrogen fuel cell system comprises a motor (1), a pump body (2), and a magnetic connection structure (3). The motor (1) has a driving end (11). The pump body (2) has a first camshaft (213). The magnetic...
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WO/2018/130445A1 |
The invention relates to a device for wetting a plurality of threads with a fluid, and to a metering pump, which is connected to a plurality of wetting means by way of a plurality of conveying lines. The metering pump has a plurality of ...
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WO/2018/125788A1 |
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...
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WO/2018/125780A1 |
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...
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WO/2018/091009A1 |
The invention relates to a borehole pump (1) comprising an eccentric screw pump (2) with at least one stator (3) and at least one rotor (4). The eccentric screw pump (2) has, in its upper end region (5), in each case an upper sealing arr...
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WO/2018/084633A1 |
The present invention provides a gear pump wherein intermeshing driving and driven gears are disposed in a housing, and oil introduced through a suction port is discharged through a discharge port by rotation of the driving and driven ge...
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