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WO/2021/062241A1 |
Systems and methods for preventing rotation of an ESP motor when the motor is not powered on, thereby preventing the motor from acting as a generator when fluid flowing through the pump section of the ESP applies a torque to the motor. I...
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WO/2021/056174A1 |
An electrically-driven fracturing well site system, comprising a gas source, a power supply system (2), electrically-driven fracturing equipment (3), electrically-driven sand blending equipment (4), sand supply equipment, liquid supply e...
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WO/2021/055232A1 |
A fluid machine and method of operating the same comprises a pump portion, turbine portion and a center bearing therebetween. The method includes communicating lubricant to a thrust bearing cavity disposed between a turbine impeller and ...
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WO/2021/055689A1 |
An electric submersible pump includes a plurality of centrifugal pump stages, each stage including a rotating impeller and a stationary diffuser mounted on a shaft coupled to a motor. An upthrust washer can be disposed axially between an...
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WO/2021/052013A1 |
Provided is a high-efficiency, low-noise automobile electronic water pump, relating to the technical field of automotive cooling systems, and comprising: a volute (6), an impeller (2), a main shaft (13), a rear pump body (9), a motor, a ...
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WO/2021/055686A1 |
Anti-rotation bearing assemblies for electric submersible pumps are provided. An electric submersible pump includes a plurality of centrifugal pump stages, each stage including a rotating impeller and a stationary diffuser mounted on a s...
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WO/2021/050870A1 |
A stator for a downhole-type motor includes a housing. The housing includes a sleeve. The sleeve includes a first layer, a second layer, and a third layer. The first layer is erosion-resistant. The second layer is corrosion-resistant. Th...
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WO/2021/050504A1 |
A pumping system deployed in a wellbore has a motor, a pump driven by the motor, and a volumetric compensator connected to the motor to accommodate the expansion and contraction of fluids contained within the motor. The volumetric compen...
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WO/2021/042613A1 |
Provided are a heating pump and a cleaning device with same. The heating pump (100) comprises a driving electric motor (1); a pump case (2), wherein a pump cavity (21) and a heating cavity (22) are defined in the pump case (2), the pump ...
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WO/2021/039819A1 |
The present invention proposes a pump device with which space savings can be achieved, and which is easy to handle. A pump device (10) is provided with: a pipe-shaped casing (20) which has a suction port (26) and a discharge port (27) ...
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WO/2021/041178A1 |
A well production method uses side gas lift valves (45) above a packer (29) and an ESP (13) below the packer. In a gas lift mode, a controller (26) turns the ESP motor (15) off, and shifts a tubing valve (39) below the packer (29) to a g...
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WO/2021/039025A1 |
The present invention relates to a pump device for transferring a liquid. The pump device is provided with a pump (1) having an impeller (5), an electric motor (7) for rotating the impeller (5), and an inverter (10) for driving the elect...
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WO/2021/034411A1 |
The present disclosure relates to a fluid pump which has a pump casing, a top cap securable to an upper end of the pump casing and having an air intake port and a fluid discharge port. A fluid discharge tube extends to adjacent a lower e...
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WO/2021/032487A1 |
The invention relates to a pump device (100), in particular for a fluid circuit in a motor vehicle, comprising a housing (101), a drive, a rotor (200), a stator (202) and a radial bearing (203), the housing (101) having an inlet (102), t...
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WO/2021/030345A1 |
A submersible well fluid pump (12) has diffusers (41) non-rotatably mounted in a pump housing (21). A drive shaft (29) rotates an impeller (43) between each of the diffusers. A bearing (45) is positioned between and in abutment with two ...
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WO/2021/025477A1 |
According to the present invention, an electric pump cycle-liquid rocket engine equipped with a cooling structure for a power transmission part and a method for cooling the power transmission part using same are provided, wherein the pow...
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WO/2021/021001A1 |
The invention relates to electric centrifugal pump assemblies for producing oil from wells. A submersible electric motor comprises a housing, a shaft which rotates inside said housing and transmits rotational power from the electric moto...
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WO/2021/017354A1 |
Disclosed is a symmetric type self-balancing central liquid outlet submerged pump device, comprising an electric motor (1), a pump shaft (4), a middle overflowing sleeve (5), a symmetric type flow guide shell (6), a first stage impeller ...
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WO/2021/022075A1 |
A submersible pump assembly (11) includes a pump (12), a motor (17), and a seal section (19) connected between. A shaft passage (33, 43) in the seal section has an outboard end that is open to the pump intake and an inboard end that is i...
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WO/2021/013001A1 |
An electric water pump (100) comprising a rotor assembly (30), wherein the rotor assembly (30) comprises an iron core body (31) having a central through-hole (301), a plurality of magnetic plates (32) disposed inside the iron core body (...
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WO/2021/010378A1 |
The purpose of the present invention is to efficiently recover used water via a simple technique that does not require large-scale construction work. A water absorption device 1 is secured so that a gap C is formed between a shower boo...
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WO/2021/011155A1 |
An example assembly comprises: a main housing; an electric motor disposed in the main housing and comprising a stator fixedly positioned in the main housing, and a rotor positioned within the stator; a hydraulic pump positioned in the ma...
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WO/2021/003282A1 |
Various examples of systems and methods for making microspheres, microparticles, and emulsions are provided. In one example, a system and method for forming microspheres comprises: pumping a dispersed phase liquid and a continuous phase ...
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WO/2020/261077A1 |
Pump for recirculating a cooling fluid for a vehicle, comprising: a pump body (11 ), which is fixed during use; an impeller (1 ) mounted on a driven shaft (2); at least one friction coupling (20) of the electromagnetic type, comprising a...
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WO/2020/263105A1 |
The invention provides a system for subsea pressure booster HV (high voltage), MV (medium voltage) and LV (low voltage) power supply and distribution. The system is distinguished in that the system consists of, essentially consists of or...
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WO/2020/258439A1 |
A multi-purpose pump implementing liquid level detection by means of photoelectric sensing, comprising a housing (1), an upper cover (2), a motor (3), a pin (4), a motor plug board (5), a power wire (6), a power plug board (7), a water p...
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WO/2020/257947A1 |
An inducer and a submersible pump for pumping a slurry comprising solids and viscous fluids, the inducer mountable to the pump's drive shaft adjacent to and immediately upstream of an impeller mounted on said shaft. The inducer comprises...
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WO/2020/260080A1 |
The invention refers to an electrical pump device with a stator (14), a rotor (20) as well as with at least one impeller (22) which is connected to the rotor (20), wherein the stator (14) and the rotor (20) are separated by a rotor can (...
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WO/2020/253173A1 |
An all-terrain vehicle (1). The all-terrain vehicle (1) comprises: a water pump (60); a pump housing (100) having a water inlet (101) and a water outlet (102); an impeller (200) rotatably provided inside the pump housing (100), wherein w...
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WO/2020/255499A1 |
This pump device (10) is provided with: an impeller (14); and a housing (26) that rotatably accommodates the impeller (14). The impeller (14) is provided with a fin part (60) and a movable-side cylindrical part (72), and the housing (26)...
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WO/2020/257203A1 |
Embodiments of pumps are disclosed along with systems and methods relating thereto. In an embodiment, the pump includes a casing assembly (100) that includes a central axis, an upstream connector (106) that is configured to engage with a...
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WO/2020/249396A1 |
The invention relates to a pump, in particular for a fluid circuit in a vehicle, e.g. a coolant pump comprising a multi-part housing (10, 20, 30, 40) having an inlet (103), a pump chamber (P), an outlet (104), a motor chamber (M) and a m...
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WO/2020/248595A1 |
An electric centrifugal pump comprises a water pump housing (1), a water sealing bearing (2), a water pump impeller (3), an elastic gasket (4), an internal motor housing (5), a bearing seat (6), a rotor front bearing (7), a motor stator ...
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WO/2020/249392A1 |
The invention relates to a pump, in particular for a fluid circuit in a vehicle, e.g. a coolant pump having a multi-part housing (10, 20, 30, 40) with an inlet (103), a pump chamber (P), an outlet (104) and a motor chamber (M), wherein a...
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WO/2020/246686A1 |
The present invention relates to a centrifugal pump directly connected to an ultra-high speed permanent magnet motor. The motor comprises: a motor housing; a rotor having an intermediate rotor part, arranged in the center of a motor hous...
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WO/2020/247251A1 |
A wellbore cleanout system including a first tubular, and a pump member including a stator and a rotor. The stator has a first end, a second end, an outer surface, and an inner surface defining an internal passage. The rotor is arranged ...
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WO/2020/242349A1 |
The present invention relates to a disk pump. The claimed invention addresses the problem of increasing structural reliability, productivity, durability and maintainability. The stated problem is solved as follows: a disk pump, which com...
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WO/2020/238134A1 |
A heat-collecting pump (100) and a household appliance. The heat-collecting pump (100) comprises: a flow guide member (20) comprises a flow guide body (21) and at least one flow guide vane (22); at least one flow guide vane (22) is provi...
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WO/2020/233810A1 |
The invention refers to an automotive electric auxiliary (10) unit with an electric motor (12), comprising - a static motor stator (14), - a rotatable rotor shaft (18), and - a rotatable motor rotor (16) co-rotatably fixed to the rotor s...
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WO/2020/228584A1 |
An electric fluid pump (100), comprising a pump housing (10), a motor (50) connected to the pump housing (10), and a pump impeller (30) accommodated in the pump housing (10) and driven by the motor (50). The pump housing (10) is provided...
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WO/2020/231536A1 |
A system for protecting an Electrical Submersible Pump (ESP) string from gas slugs in a downhole well environment. The system comprises an intake tube having a first and second end and one of a packer having a bypass channel and an inver...
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WO/2020/232053A1 |
A submersible pump assembly (11) has a seal section (19) between the motor (17) and the well fluid pump (12), the seal section having a housing (25), a shaft (21) and a thrust bearing unit. The thrust bearing unit includes a thrust runne...
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WO/2020/231856A1 |
The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the ...
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WO/2020/223175A1 |
An electrical submersible pump (13) has a tubular pump housing (31) containing centrifugal pump stages (43, 45) and a rotatable shaft (41). A bearing (47) mounts in the housing and has a shaft passage (60) through which the shaft extends...
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WO/2020/219768A1 |
A well fluid pump (11) has a housing (13) with a stator (21) having a stack of discs (23) through which windings (29) extend. First and second stage modules (46a, 46b) in a bore (25) of the stator have rotating impellers (47) and non-rot...
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WO/2020/214934A1 |
An electro-hydraulic high-pressure oilfield pumping system includes a fracturing (frac) pump and a primary electric motor as a prime mover that delivers power to the frac pump. The primary electric motor may be a constant speed AC (alter...
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WO/2020/212250A1 |
The invention relates to a split can for a magnetic coupling having a cylindrical jacket region (1) and a base region (2) connected to a first end of the jacket region, wherein at least the jacket region (1) has an inner wall (3) and an ...
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WO/2020/211434A1 |
A vertical cryogenic liquid centrifugal pump, comprising a rotating shaft (2), a motor assembly (1) located in a room temperature environment, a low-temperature heat-insulating protection structure (3) located in a low temperature enviro...
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WO/2020/208507A1 |
A pump assembly that includes a housing, a stator, a driveshaft, an impeller and a rotor. The housing includes a hollow cylindrically-shaped central portion. The stator surrounds and is fixed to the central portion of the housing. The dr...
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WO/2020/208500A1 |
A pump assembly (100, 100') for a household appliance (200), the pump assembly (100, 100') comprising: a conduit (1) for the passage of liquid, comprising a casing (11), which extends between an inlet (12) for the liquid and an outlet (1...
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