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WO/2019/090388A1 |
A system (3) for pumping fluid, including a sequence of two or more positive- displacement sub-systems (15A, 17A; 15B, 17B; 15C, 17C; 15D, 17D) each having a respective one-way inlet (21A, 21B, 21C, 21D). A respective one-way flow path (...
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WO/2019/086671A1 |
The invention relates to a system for pumping a compressible liquid, comprising at least two pumps, a first pump (10) and a second pump (20), of which the respective pump outlet lines (12, 22) are led together into a connecting piece (36...
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WO/2019/089564A1 |
A pump apparatus can include a suction tube, a pliable sealing ring, and an actuator mechanism coupled to the suction tube. The suction tube can be configured to be removably coupled to a container in which the viscous fluid is arranged ...
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WO/2019/083564A1 |
An apparatus includes a bootstrap accumulator (100) having multiple fluid expansion volumes each configured to receive fluid. The bootstrap accumulator also includes a piston assembly (116) configured to move within the fluid expansion v...
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WO/2019/083998A1 |
A multi-fluid, high pressure pump with a modular configuration, capable of converting hydraulic power from a source may be capable of pumping nearly any type of fluid. The modular configuration may provide for individual sub-pump modules...
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WO/2019/068244A1 |
A steady flow hydraulic pump, comprising an oil cylinder (1), a hydraulic rod (2), cover plates (3), and oil nozzles (4). The hydraulic rod (2) comprises a piston part (202), a driving part (201), and a balancing part (203). The piston p...
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WO/2019/058732A1 |
A hydraulic unit according to the present invention is provided with: a hydraulic pump; a motor that drives the hydraulic pump; an oil cooler (40) that cools hydraulic oil discharged from the hydraulic pump; a cooling fan that supplies c...
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WO/2019/060227A1 |
A method includes receiving field measurement data of a plurality of well-pumps disposed respectively in a plurality of wells. The field measurement data are representative of speed data and run-time data, of the plurality of well-pumps....
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WO/2019/034317A1 |
A control device (100) for a motor (210) for a hydraulic system (200) is provided. The control device comprises at least one first sensor (120, 130) for measuring a pump pressure of the hydraulic system and a load pressure of 5 the hydra...
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WO/2019/030001A1 |
The invention relates to a pump unit (1) for emptying a reservoir container (101) filled with a fluid or paste-like material (111) and in particular under vacuum, which reservoir container is a component of a storage device (100), wherei...
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WO/2019/021475A1 |
This liquid feeding device is provided with an ejection flow passage, a pump part, a liquid feeding pressure sensor, a non-ejection time pressure sensor, a precompression unit, and a precompression-speed determination unit. The pump part...
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WO/2018/213639A1 |
Design solutions to mitigate the following four fatal flaws in the conventional pump system design; namely, (1) surprised pump-failure in single pump design that can result in costly water damage; (2) the threat of fatal high voltage ele...
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WO/2018/207295A1 |
This liquid feeding device is provided with: at least one liquid feeding pump that feeds a liquid; a main flow passage communicating with an outlet of the liquid feeding pump; a branch flow passage branched from the main flow passage; an...
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WO/2018/200396A1 |
A positive displacement pump includes at least two pumping chambers and associated plungers. Each plunger is driven by an associated variable speed motor, such as a stepper motor, in a reciprocating motion. The stepper motor varies speed...
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WO/2018/191423A1 |
A fluid treatment system, for example a membrane filtration system, utilizing means to mechanically vary fluid recovery and energy recovery to optimize fluid production for a given energy input, based on the total dissolved solids concen...
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WO/2018/172217A1 |
The invention relates to a device for supplying and/or suctioning a fluid substance to or from a human or animal body, having a drive unit (1, 2) with a drive (20), a connection part (5; 5') which can be connected to the drive unit (1, 2...
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WO/2018/162418A1 |
The invention relates to a pump (13) for a lubrication system for applying a lubricant-air-mixture to a lubrication point (22a-22d), in particular a rail vehicle, preferably on a flange, wherein the lubrication system comprises a compres...
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WO/2018/161142A1 |
An electrical generation system is disclosed. The electrical generation system includes a liquid pump coupled to a liquid source to provide a pressurized stream of liquid that impinges upon a water turbine that is coupled to a generator....
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WO/2018/160234A2 |
A hydraulic piston pump (100) includes a piston (128) disposed in a blind housing bore (150) of a piston housing (124) and that reciprocates to generate a pumping action. To accommodate the piston (128), a piston cartridge (170) is insta...
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WO/2018/159517A1 |
This electrically driven pump 1 delivers liquid and comprises: a pump unit 10 having vertically reciprocating pistons (one piston 50 and the other piston 60); a motor unit 20 disposed vertically above and at a distance from the pump unit...
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WO/2018/156131A1 |
A pumping module is positionable within a pump housing for pumping fluid into a wellbore. The pumping module includes a cylindrical housing with an inlet end and an outlet end, an inlet cap positioned on the inlet end of the cylindrical ...
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WO/2018/149679A1 |
The invention relates to a device (1000) for mixing and conveying high-viscosity materials, having the following: - a main grid voltage connection (10), - a main electric motor (20) which is electrically connected to the main grid voltag...
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WO/2018/142591A1 |
[Problem] Conventionally, there exists a device by which high-pressure water is sprayed into the sediment at the bottom of a reservoir, the sediment is excavated and slurried, the slurried sediment is delivered onto land with a suction p...
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WO/2018/136211A1 |
The invention relates to a device (1) for withdrawing a liquid contained in a container (B), such as a can, through a mouth (G) of the container, comprising: - a flexible pipe (10), - a cannula (11) intended to be submerged in the liquid...
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WO/2018/114068A1 |
The invention relates to a device (10, 110) for conveying viscous material out of a barrel-type container (12) which has a container base (14) and a circumferential container wall (18) extending from the container base (14) to a containe...
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WO/2018/111231A1 |
The embodiments herein relate generally to subterranean formation operations and, more particularly, systems and methods for achieving target downhole pressures having target downhole wave shapes for enhancement of subterranean formation...
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WO/2018/102925A1 |
A submersible, hydraulically actuated, multi-stage double-acting positive displacement pump system is provided. The system has a hydraulically actuated reciprocating linear double-acting motor centrally disposed between and connected to ...
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WO/2018/106225A1 |
A pumping system pumps material or fluid, for example, downhole to perform a stimulation operation. A pumping system may comprise multiple pumps that must be powered-up in a sequence that does not overload a power source. A variable freq...
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WO/2018/106252A1 |
One or more wellbore servicing operations may require the pulsed delivery of a wellbore servicing fluid. To optimize efficiency and effectives of a given wellbore servicing operation a concentrated proppant stimulation fluid may be pumpe...
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WO/2018/101909A1 |
A pumping system pumps material downhole, for example, to perform a fracturing operation. The pumping system comprises one or more variable speed engines, one or more variable displacement hydraulic pumps and one or more intensifiers. Ac...
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WO/2018/097760A1 |
The group of inventions relates to modular pump assemblies and can be used for pumping large volumes of fluid using at least one pump module. Both the claimed pump assembly and the claimed pump module can be incorporated into mobile fire...
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WO/2018/096345A1 |
A wellbore formation fluid pump (30) and downhole safety valve system (20) includes a wellbore formation fluid pump (30) operable by a motor for lifting fluid entering the wellbore to the surface. A hydraulic fluid pump (10) is operably ...
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WO/2018/089439A1 |
A pressure intensifier system includes a housing including a piston separating a first volume and a second volume. A high pressure pump, a low pressure manifold are coupled to a drain line and a slurry tank. A plurality of valves compris...
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WO/2018/085741A1 |
Apparatus and methods for utilizing pressure exchangers as a source of pressure oscillations. An example method includes operating a plurality of pressure exchangers to pressurize a stream of fluid, injecting the pressurized stream of fl...
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WO/2018/085742A1 |
Apparatus and methods for reducing pressure exchanger manifold resonance. Example apparatus include a first manifold and pumps fluidly connected with the first manifold. Each pump is operable to inject a pressurized clean fluid into the ...
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WO/2018/085743A1 |
Apparatus and method for performing split stream operations with pressure exchangers. An example method may include operating a mixer to form a stream of concentrated dirty fluid, operating a first pump to form a pressurized stream of fi...
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WO/2018/077878A1 |
The invention provides a prefabricated pumping station base and a prefabricated pumping station. The prefabricated pumping station base includes a bottom plate which is capable of sealingly connecting with a cylinder of a prefabricated p...
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WO/2018/077946A1 |
The invention provides a cryogenic pump reservoir (100), for a cryogenic liquid to be fed to a pump (208), with an interior reservoir space (103) extending between a reservoir bottom (101) and a reservoir top (102) and comprising a liqui...
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WO/2018/073477A1 |
System with two pumps (B1, B2) connected in parallel to a delivery manifold (1) and two electronic pressure switches (P1, P2) provided with a pressure sensor (S1, S2) connected to the delivery manifold (1) and designed to alternate their...
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WO/2018/068849A1 |
Rotary valve device (10, 44) for sequentially connecting a first line (34, 64) to a plurality of second lines (36, 66), the rotary valve device (10, 44) comprising: a stationary structure (12, 46) comprising a first port (18, 48) for con...
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WO/2018/064382A1 |
A hydraulic circuit includes a pump in fluid communication with a reservoir containing a liquid to be pumped. The pump includes an inlet and an outlet. The hydraulic circuit also includes a venturi pump in fluid communication with the re...
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WO/2018/054869A1 |
The invention relates to a compressor system for an utility vehicle comprising at least one compressor (5), at least one electric motor (3) which drives the compressor (5), at least one electric motor control unit (2) and at least one ai...
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WO/2018/055866A1 |
[Problem] A switching valve is used in a binary pump. This switching valve is provided with a first liquid delivery port to which a first pump unit is connected, a second liquid delivery port to which a second pump unit is connected, and...
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WO/2018/041401A1 |
A motor pump device designed as a modular system, consisting of at least one electric motor (10), a radial piston pump (24), which can be driven by a respective electric motor (10) and is preferably used as a high-pressure supply, and/or...
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WO/2018/044307A1 |
Providing pressurized fracturing fluid with a fracturing pump transport comprising a first fracturing pump and a second fracturing pump that are coupled on opposite sides of a dual shaft electric motor. A first drive line assembly compri...
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WO/2018/044857A1 |
A system for pumping high-pressure cryogenic fuel comprises: a plurality of linear pumps (22) each including an upper power end (30) and a lower fluid end (32), the power end having a linear-actuated drive system terminating in a drive s...
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WO/2018/036731A1 |
The invention relates to a hydrostatic system, having a pressure source and a hydraulic motor or a load, wherein an additional hydraulic motor-pump unit is provided for controlling the volumetric flow rate for the load or the power outpu...
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WO/2018/036730A1 |
The invention relates to a pumping station for a pipeline, in particular an oil or gas pipeline, comprising: at least one delivery pump for conveying a fluid through the pipeline; at least one internal combustion engine, which has a driv...
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WO/2018/029019A1 |
The at least one electrohydraulic drive unit (6) of a machine tool having a tool which can be moved up and down comprises an upright, double-acting hydraulic cylinder/piston arrangement (7) with a piston (13) which projects downwards out...
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WO/2018/015000A1 |
The invention relates to an oscillating membrane pump having at least one mobile part (20), which is movably arranged relative to a fixed part (30), wherein the mobile part (20) is driven and the mobile part itself drives a displacement ...
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