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Matches 1 - 50 out of 6,211

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
WO/2017/168008A3
A fluid pump, for example being adapted to operate in a well bore, and a well bore tool are presented, the fluid pump comprising a pump housing comprising a cylinder, the cylinder having a first and a second chamber and a constriction be...  
WO/2017/160904A1
Determining an error coefficient associated with a pump system may be provided. A positive displacement pump may be continuously cycled to dispense fluid into a measuring device until it is full. The actual flow rate of the pump may be d...  
WO/2017/156353A1
A pumping system includes a primary suction tank including a first pressure sensor operatively connected to a first portable suction control for measuring a first pressure of a fluid coming from the primary suction tank, and a first flow...  
WO/2017/144189A1
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine is provided with at least one piston (23) which is movable along a cylinder (22) under the thrust of a drive shaft (36), which is engaged in a rota...  
WO/2017/123656A3
Disclosed are embodiments of a pumping system with connectable and disconnectable pumping assemblies. The pumping assemblies can include transmissions between the power end and fluid end, wherein the transmission can include a cam assemb...  
WO/2017/116651A1
An embodiment of a system with a minute measure of pulsatility in a flow of a fluid is described that comprises a first pump configured to flow the fluid to a junction at a first flow rate that comprises a measure of pulsatility; and a s...  
WO/2017/096553A1
The present invention provides a high temperature chemical solution supply system for cleaning substrates. The system includes a solution tank, a buffer tank, a first pump and a second pump. The solution tank contains high temperature ch...  
WO/2017/093964A1
Air retention valve to be used in pressurized water tanks comprises: a tube (6) for water circulation with the outside of the tank (a) having a protuberant top (3) into the interior of the tank (a); a floating body (1) vertically displac...  
WO/2017/077730A1
This liquid supply device 10a has a first liquid flow path 21 and a second liquid flow path 22 that connect a suction port 13 and a discharge port 14. The first liquid flow path 21 is provided with a first pump 25 and the second liquid f...  
WO/2017/077060A1
The invention relates to a hydraulic device for a rail vehicle comprising a tank region (110) for a hydraulic fluid, a motor (122) having a pump (124) for pumping the hydraulic fluid, a hydraulic connection panel (130) for providing hydr...  
WO/2017/068483A1
Apparatus (2) for dosing a liquid colour formulation, optionally including other additives, into polymer includes a first receptacle (4) for the liquid colour formulation, a progressing cavity pump (6) downstream of the receptacle for pu...  
WO/2017/059918A1
Lifting device (10) for vertically lifting liquids, where the lifting device (10) comprises: a lifting line arrangement (18) for guiding a liquid from an open lower reservoir (16) to an upper reservoir (14); a lowering line arrangement (...  
WO/2017/060616A1
According to the present invention: the product (10) is sucked into a first transit vessel (2) placed under vacuum and, simultaneously, a second transit vessel (3) is emptied by flushing under pressure; and then, said product is sucked i...  
WO/2017/055145A1
The invention discloses a hydrostatic compact assembly comprising an electric motor and a pump which delivers a pressure fluid from a tank to a consumer connection. The tank is circular ring-shaped and the electric motor and the pump tog...  
WO/2017/055191A1
A hydraulic system (100) for a work vehicle has a high pressure circuit (180) for providing high pressure hydraulic fluid, a medium pressure circuit (160) for providing medium pressure hydraulic fluid, and a low pressure hydraulic circui...  
WO/2017/055994A1
A compensating device for volumetric pumps, comprising: a storage tank (2) predisposed for being connected to the delivery line (O) of a pump (P) and to a source of pressurized gas (A); a control valve (3) arranged for opening or closing...  
WO/2017/053294A1
The present disclosure relates to apparatuses, systems and methods for pumping liquids. In particular, the present disclosure relates to apparatuses, systems, and methods comprising plunger pumps and uses thereof.  
WO/2017/052383A1
The invention provides a subsea pump system, comprising a subsea pump, a fluid conditioner tank, a liquid conservation tank, a line arranged for liquid recirculation from the liquid conservation tank to upstream the subsea pump, and an u...  
WO/2017/053988A1
A non-occluding intravascular pump comprises a shroud providing an inlet for incoming blood flow and an outlet for outgoing blood flow, wherein the shroud is a cylindrical housing; an impeller positioned within shroud, wherein a central ...  
WO/2017/040792A1
A fluid-driven actuator system includes a fluid-driven actuator and at least one proportional control valve and at least one pump connected to the fluid-driven actuator to provide fluid to operate the fluid-driven actuator. The at least ...  
WO/2017/040921A1
Disclosed is a pump management system configured to manage operation of a plurality of positive displacement pumps. The pump management system manages operation of the plurality of positive displacement pumps to substantially maintain no...  
WO/2017/031617A1
A free piston fracturing pump comprises a hydraulic station (12), multiple free piston type hydraulic pumps (18), and a drive liquid pipeline. The hydraulic station (12) is used for providing high-pressure drive liquid. Each free piston ...  
WO/2017/014755A1
In at least some implementations, a lubricator for vehicle driveline components includes a housing and a pump body. The housing defines at least part of a fluid chamber and has an inlet through which lubricant flows into the chamber and ...  
WO/2017/005338A1
A hydraulic unit, in particular for supplying pressurized liquid to conveying and lifting mechanisms, comprising a tank (7) that is located at the end in relation to a main device axis (9), and functional components that are mounted on t...  

Matches 1 - 50 out of 6,211