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WO/2021/243370A1 |
A turbine-powered electrical submersible pump (ESP) (130) that has intake (130) and discharge (275) ports. The ESP intakes wellbore fluid from the intake port at an intake pressure, pressurizes the fluid, and discharges the fluid from th...
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WO/2021/242271A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises a centrifugal pump, an electric motor mechanically coupled by a drive shaft to the centrifugal pump, wherein the electric motor comprises a stator and a rotor, a bea...
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WO/2021/239677A1 |
The invention relates to a method for determining a pumped flow (Q) from a pump by means of a flowmeter (5) that comprises an internal pressure sensor (25) configured to measure the static liquid pressure (H-in) at the inner surface (21)...
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WO/2021/241146A1 |
A motor pump according to the present invention has a restriction member (24) that, in a state in which a rotating part (6) of a motor (2) is in contact with a first bearing (21), is fixed to a pump shaft (4) and restricts movement of an...
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WO/2021/242270A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump, and a hybrid magnetic radial bearing, wherein the hybrid magnetic radial bearing is disposed inside the electric motor or disp...
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WO/2021/242284A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump, and a hybrid magnetic thrust bearing, wherein the hybrid magnetic thrust bearing is disposed inside the electric motor or disp...
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WO/2021/227262A1 |
A permanent magnet direct drive slurry pump having a water cooling circulation structure, comprising a pump body and a permanent magnet synchronous motor, and further comprising a cooling water tank (29). The pump body and the permanent ...
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WO/2021/230238A1 |
Provided is a pump mechanism in which a sufficient fluid gap can be ensured and passive control is used. A magnetic-levitation-type pump mechanism (1) is provided with at least: a housing (10) having a blood flow path formed therein; and...
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WO/2021/229365A1 |
A pump tray has a liquid pump with an inlet and outlet. A blindly matable liquid coupler fluidicly couples with the pump inlet and a blindly matable liquid coupler fluidicly couples with the pump outlet. A chassis of the pump tray has an...
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WO/2021/225904A1 |
Systems and methods for constructing a motor having a stator, and a plurality of rotor sections secured to a shaft which is positioned to rotate within a bore of the stator. Each rotor section has permanent magnets forming corresponding ...
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WO/2021/226633A1 |
An electrical submersible well pump assembly (13) has shaft couplings (33). One of the couplings (33) has a lower hub (43) that rotates in unison with the motor shaft (22) and an upper hub (47) that rotates in unison with the pump shaft ...
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WO/2021/219678A1 |
The invention relates to a bowl pump and a vertical bowl pump arrangement. The bowl pump (1) comprises a pump housing (10), a hub (14) and guide vanes (23) extending between the hub (14) and pump housing (10). The guide vanes (23) has a ...
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WO/2021/219540A1 |
The invention relates to a centrifugal pump assembly comprising an electric drive motor (2), at least one impeller (14) driven by said electric drive motor (2) and a valve element (24; 24') rotatable between two valve positions driven by...
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WO/2021/219584A1 |
The invention relates to a method for monitoring and controlling the operation of a pump station (1) comprising a tank (8) for storage of a liquid and at least one pump (2), the pump station (1) further comprises an outlet conduit (5) co...
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WO/2021/209171A1 |
The present invention relates to a closed loop subsea cooling system with a subsea cooler. An coolant pump assembly (2) is located in a dedicated, sealed, gas filled, coolant pump housing (8a) in coolant fluid connection with the at leas...
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WO/2021/212105A1 |
An electrical submersible well pump assembly (13) has a spring brake (61) having helical turns (63) mounted between the shaft (60) and one of the housings (57). The spring brake (61) allows free rotation of the shaft (60) in a driving di...
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WO/2021/206854A1 |
A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal sect...
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WO/2021/206857A1 |
A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal sect...
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WO/2021/206853A1 |
A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal sect...
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WO/2021/205607A1 |
A pump comprises a water supply section in which a suction port for allowing liquid to flow in and a discharge port for discharging liquid are formed in a side surface, a frame provided to the upper part of the water supply section, a br...
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WO/2021/206855A1 |
A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal sect...
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WO/2021/204472A1 |
The invention relates to an electric water pump having an optimised construction of a shaft bearing for a compact construction. The water pump according to the invention comprises a pump chamber (13) in which a pump impeller (3) is held ...
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WO/2021/206856A1 |
A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal sect...
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WO/2021/202712A1 |
A protector for an electric submersible pump includes a plurality of chambers, with adjacent or consecutive pairs of chambers coupled, e.g., fluidly coupled, via a series or parallel body. The body defines two separate hydraulic circuits...
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WO/2021/203130A1 |
An electrical submersible pump assembly (ESP) (29) has a centrifugal production pump (31) with production pump stages (65, 67). A gas separator is upstream (37) from the production pump (31). A centrifugal charge pump (45) is upstream fr...
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WO/2021/199012A1 |
The present invention provides a leakage proof electric water pump, comprising of a volute casing (1); a housing (3); a rotor assembly (4); a bush (12); a rotor (5); a rotor casing (6); a shaft (7); a stator assembly (8); a PCB (9); and ...
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WO/2021/197691A1 |
The invention relates to an electric-motor-powered fluid pump which comprises: - a pump unit (2) having a fluid-carrying pump compartment (6) and - a drive unit (3) which is located in a motor compartment (9), - a motor controller (16) w...
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WO/2021/196579A1 |
An electric water pump with a control panel installed in the middle, comprising a water pump volute (1), a water pump impeller (2), a pump cover (4), the water pump control panel (6), a rotor (8), a rotor cover (9), a housing (10), a rea...
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WO/2021/199011A1 |
The present invention provides an improved electric water pump with a split housing assembly to be used for cooling of components in an electric/hybrid vehicles which is a cost effective and allows ease of manufacture and assembling with...
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WO/2021/195145A1 |
A hybrid capillary and mechanically pumped loop heat pipe (HLHP) includes a fluid loop having, an evaporator thermally coupled to a heat load, a condenser thermally coupled to a heat sink, a reservoir, and one or more magnetically levita...
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WO/2021/195179A1 |
A well pump assembly has a tubular receptacle (15) for attachment to a lower end of a string of production tubing (13). A docking station (17) mounts to the receptacle (15), the docking station having a lower well fluid conduit (19) for ...
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WO/2021/185653A1 |
The invention relates to a centrifugal pump having an impeller (2) which is situated in a housing (1). The impeller (2) is driven by a canned motor. The canned motor comprises a device (3) for connection to the housing (1) and the device...
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WO/2021/188120A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump mechanically coupled to the electric motor, and a probe mechanically coupled to the electric motor and extending upstream of th...
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WO/2021/185131A1 |
Disclosed is an electric pump (100), comprising a stator assembly (2), an electric control board assembly (4), and a conduction member (8) capable of conducting electricity, wherein the stator assembly (2) is electrically connected to th...
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WO/2021/188832A1 |
An electric machine is configured to be positioned within a wellbore. The electric machine enclosed within a housing isolates the electric machine from fluids within the wellbore. A first lubrication circuit includes a lubrication reserv...
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WO/2021/175526A1 |
The invention relates to a water pump bearing unit having a seal arrangement which comprises a filling of a blocking fluid lubricant in order to prevent a vapor leakage. The water pump bearing unit (1) having a sealing arrangement (2) is...
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WO/2021/175501A1 |
A foot (106) for a pump (150) having a pump housing (105). The foot (106) comprises a base body (110) and a coupling structure (112, 134) coupled to the base body (110). The coupling structure (112, 134) comprises a front panel (114), wh...
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WO/2021/175474A1 |
A submersible pump (100) includes a pump body (102). The submersible pump (100) forming a main compartment (104) having an intake (106) and an output (108) for a liquid (110). The pump body (102) is adapted for submersion in a body of li...
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WO/2021/175500A1 |
A foot (106) for a pump (150). The foot (106) includes a base body (110) defining a first end (116) and a second end (118), a coupling structure (112) and a front panel (114). The coupling structure (112) is coupled to the base body (110...
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WO/2021/175475A1 |
A connector (210) for a pump (100) includes a first connector portion (214) and a second connector portion (216). A first end (222) of the second connector portion (216) is coupled to a second end (220) of the first connector portion (21...
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WO/2021/177981A1 |
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump mechanically coupled to the electric motor, and a gas handling inverted shroud assembly.
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WO/2021/170328A1 |
The invention relates to an assembly-optimised coolant pump. The electrical coolant pump is characterised in that, in particular, a power electronics system (30) can be introduced via a first open side and is accommodated in a drive hous...
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WO/2021/170327A1 |
The invention relates to a thermally optimised coolant pump. The electrical coolant pump is characterised in that a drive housing (2) has a central bearing holder section (25), in which a shaft bearing (52) is accommodated, and a heat di...
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WO/2021/172793A1 |
The present invention relates to an axial gap type motor employing a non-rare earth magnet, and a water pump using same. The axial gap type motor for a water pump (EWP), according to the present invention, comprises: a rotor rotatably su...
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WO/2021/173164A1 |
Systems and methods for testing downhole power cables wherein such systems and methods utilize a mounting bracket having a PEEK insulator extending from a first face of said bracket and at least one flexible lead extending from a second ...
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WO/2021/164908A1 |
The invention relates to a separating can of a magnetic coupling, said separating can comprising a base (2), a flange (3), a casing (4) which is arranged cylindrically about a central axis (X-X) of the separating can, and a line arrangem...
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WO/2021/161073A1 |
A pump assembly includes multiple impeller stages, each impeller stage including at least one impeller vane. At least one impeller stage includes at least one impeller vane with at least one perforation disposed therethrough.
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WO/2021/162060A1 |
Provided is a rotor for electric water pumps, whereby a slide bearing comprising a thermoplastic resin composition can be produced at a low cost while having excellent low friction and low wear properties and being less likely to exhibit...
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WO/2021/158118A1 |
The present invention relates to a subsea motor and pump assembly with a liquid filled motor assembly (3) and a main pump assembly (4). A mid-chamber assembly (5) with a mid-chamber collecting leaked liquids is located between the liquid...
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WO/2021/155410A1 |
A submersible pump electrical motor (17) has a bearing hub (51) between adjacent rotor sections (43). The bearing hub (51) has a hub outward facing sidewall (56) and a hub inward facing hub sidewall (54) through which a shaft (39) extend...
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