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Matches 1 - 50 out of 5,468

Document Document Title
WO/2019/133833A1
Disclosed herein is an apparatus for dispensing a mixture of at least two liquid components. The apparatus may comprise an A liquid component source fluidly connected with an A liquid component pump driven by a first motor; and a B liqui...  
WO/2019/126853A1
The present invention refers to a fuel injection pump, preferably for internal combustion engines, provided with a pumping unit and a fuel flow control electrovalve assembly, in particular comprising a movable valve sealing actuator and ...  
WO/2019/123493A1
A mass shifting mechanism between twin equilibrium points comprises a movable slider between two equilibrium positions and actuating means active on the slider to bring it and keep it in a first and a second stationary spatial configurat...  
WO/2019/123330A1
The marine pump object of the present invention is a hydro pneumatic machine, driven by wave motion - a wave energy converter (WEC) - characterized in that it does not have moving mechanical members and it is constituted by only two stru...  
WO/2019/122590A1
The invention relates to a method for managing a piston pump (10) comprising a piston (110) slidably mounted in a guide (120) so as to form a compression chamber, and a solenoid (130) suitable for controlling the movement of the piston (...  
WO/2019/117947A1
A pumping system is provided which includes a motor coupled with a transmission and a pump. The pump includes a housing with a chamber, a plunger coupled with the motor and the transmission and translatable into and out of the chamber cr...  
WO/2019/115538A1
Method for controlling a linear pump (9) of a vapour recovery system in a fuel dispensing unit (1). The linear pump (9) is flow controlled by a signal. The method comprises applying (SI) a known voltage to a solenoid coil (10) of the lin...  
WO/2019/113147A1
A hydraulic fracturing system for fracturing a subterranean formation is described according to various embodiments. In an embodiment, the system can include a multi-plunger hydraulic fracturing pump (300) fluidly connected to a well ass...  
WO/2019/108819A1
A system for a piston-driven fluid pump, including a plurality of electro-mechanical actuators, and a control system electrically connected to the actuators. Each actuator is configured to operatively couple with a piston of the fluid pu...  
WO/2019/104747A1
A soft magnetic enhancement pump, comprising a pump pipe body (1) having a hollow channel (11), two ends of the pump pipe body (1) being respectively provided with a water inlet pipe (2) and a water outlet pipe (3), and a coil (4) being ...  
WO/2019/108160A1
The invention relates to the field of petroleum extraction, in particular to assemblies comprising displacement pumps powered by submerged linear electric motors, and can be used to extract formation fluids from low-yield wells from grea...  
WO/2019/101674A1
A hydraulic pressure supply unit comprises a storage chamber (1) which stores hydraulic fluid, a hydraulic pump (2) which is arranged within the storage chamber (1) and dips at least partially into the stored hydraulic fluid, and an elec...  
WO/2019/098864A1
Piston pump used to lift liquids by gravity includes a cylinder (1) connected to an outflow pipe through a check valve and a piston (4). The piston (4) comprises a piston disc (11) and a piston ring (13) with a circular flange (14) in th...  
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 ...  
WO/2019/079312A1
A linear motor compressor including a compressor housing and a cylinder housing having a plurality of opposing compression chambers. A piston freely reciprocates within the cylinder housing using a linear electric motor. A piston positio...  
WO/2019/076535A1
The invention relates to a magnetic actuator (12) for a conveying unit (10), in particular a membrane pump for conveying an operating/auxiliary material in a vehicle, having an immersion armature (22), which extends through an internal p...  
WO/2019/074994A1
A beam pumping unit includes a base, a Sampson post supported by the base, a walking beam pivotably supported by the Sampson post and a horsehead on the front end of the walking beam, The horsehead is connected to a polished rod that ext...  
WO/2019/071088A1
Embodiments include a hydraulic fracturing system for fracturing a subterranean formation including an electric pump (36, 80) fluidly connected to a well associated with the subterranean formation (16) and powered by at least one electri...  
WO/2019/068762A1
The present invention relates to a hydraulic system (1), wherein the system comprises a hydraulic device (10), a hydraulic pump (20) in fluid connection with the pressure chamber of the hydraulic device, an electric motor (30) arranged t...  
WO/2019/063158A1
The invention relates to an electrical pump drive for positive displacement pumps having pistons moved in an oscillating manner. The electrical pump drive is characterised in that the electrical pump drive comprises a rotary magnet (3) w...  
WO/2019/060890A1
A heat pump is disclosed that has a hot displacer section and a cold displacer section with a linear actuator section disposed between the hot and cold displacer sections. By providing the linear actuator section between the displacers, ...  
WO/2019/054510A1
A hydraulic pump (1) comprising an actuator (2) and a pump unit (3). The pump unit (3) comprises a cylinder (30) and a piston (40) that reciprocally moves along an axial direction (DL). The actuator (2) comprises: a cylindrical coil body...  
WO/2019/054512A1
A pump unit (3) comprises a cylinder (30) and a piston (40) that reciprocally moves along an axial direction (DL). An actuator (2) comprises a cylindrical coil body (10) and a movable body (20) that is capable of reciprocally moving in t...  
WO/2019/053064A1
The invention relates to methods of pumping an aqueous fluid through a porous material by means of electroosmotic pumping without the disadvantageous effects of methods based on water electrolysisor the silver/silver oxide redox couple.I...  
WO/2019/054511A1
A hydraulic pump (1) comprising an actuator (2) and a pump unit (3). The pump unit (3) comprises a cylinder (30) and a piston (40) that reciprocally moves along an axial direction (DL). The actuator (2) comprises a cylindrical coil body ...  
WO/2019/048647A1
The invention relates to a compressor (1) having at least one metal diaphragm bellows (16), forming a positive displacement chamber, for compressing and/or for conveying gases, comprising a housing in which a drive and the metal diaphrag...  
WO/2019/038150A1
The invention relates to a circuit assembly (110) for operating a piezohydraulic actuator (10), comprising: a first supply connection (E1) and a second supply connection (E2) for applying a supply voltage; a first output connection (A1) ...  
WO/2019/037967A1
The invention relates to a piston pump assembly (1) for a hydraulic power brake system of a vehicle, comprising an electric motor (2), a planetary transmission (3), helical gearing (4), and a piston (5) which can be moved in a cylinder (...  
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...  
WO/2019/036070A1
A method includes generating (602, 608) a first varying electromagnetic field using a first voice coil (122, 222a, 322, 422a) of a first actuator. The method also includes repeatedly attracting (606) and repelling (610) a first magnet (1...  
WO/2019/029879A1
The invention relates to a magnetic actuator (50) for a conveying unit (48), in particular a diaphragm pump for an operating medium/additive in a vehicle. The magnetic actuator (50) comprises an armature (64) which extends through a magn...  
WO/2019/027579A1
A well pump seal section housing (25) connects between a pump (13) and a motor (17). Upper and lower retainers (37, 59) at upper and lower ends of the housing have outward facing cylindrical walls (41, 61). bladder (45) has an interior i...  
WO/2019/025478A1
The invention relates to a method (100) for regulating the output pressure (POUT) of a hydraulic drive system (10) with the use of a rotational speed (ω) as an actuating variable, wherein the hydraulic drive system (10) has a hydraulic ...  
WO/2019/011561A1
The invention relates to a pump (4), in particular a fuel pump, comprising at least one working chamber (5), in which a piston (6), by means of a drive, bounds the working chamber (5) in a cylinder and pressurizes a fluid, in particular ...  
WO/2019/010206A1
A fluid pump valve assembly includes: a valve body; a fluid inlet and a fluid outlet defined in the valve body; an inlet disk and an outlet disk movably disposed in the valve body; and a valve seat fixed within the valve body and includi...  
WO/2019/010221A1
A fuel pump, is disclosed, including a power group having a housing, a coil, a pole piece and a movable armature; a valve group including a valve body, a plunger connected to the armature, a bushing in which the plunger is disposed, an i...  
WO/2019/001719A1
The invention relates to a high-pressure cleaning device (10) comprising a pump (14) which has a suction line (24) and a pressure line (30), said pressure line (30) being equipped with a nonreturn valve (34), and which has an overflow va...  
WO/2019/000251A1
An intelligent adjustable high-pressure pump station system, comprising an oil tank (1), energy accumulators (2), and oil pumps. The oil tank (1) is connected to at least two oil pumps by means of pipelines; an energy accumulator (2) is ...  
WO/2018/224903A1
A floating-piston motor pump comprises a body delimited by a coil, an inlet duct and an outlet duct, a sliding piston and a magnetic sleeve coaxial to the sliding axis of the piston; the magnetic sleeve interacts with the pair of magneti...  
WO/2018/222151A1
The invention relates to a system and method allowing the abstraction of underground water and fluid resources to the ground surface without consuming any energy.  
WO/2018/215012A1
The invention relates to an apparatus (100) for compressing gases or pumping liquids, having a hollow cylinder (110), which has, in the region of each of the two opposite inner front faces (111 and 112) thereof, an opening (113 and 114) ...  
WO/2018/213513A1
A pump may generally include a frame including a reservoir. The reservoir stores a hydraulic fluid. The pump may also include a motor assembly supported by the frame and a pump assembly operably driven by the motor assembly. The pump ass...  
WO/2018/212784A1
Provided herein is a portable pump on a class 3-5 operable pickup truck rolling chassis with engine and transmission components for pumping liquid and/or slurried construction material, such as concrete, comprising a hydraulic pumping un...  
WO/2018/207157A3
A method for controlling pressure and flow of hydraulic fluid through a hydraulic control unit comprises receiving a pressure command from an electronic control unit. The received pressure command is processed to generate a pressure- bas...  
WO/2018/207157A2
A method for controlling pressure and flow of hydraulic fluid through a hydraulic control unit comprises receiving a pressure command from an electronic control unit. The received pressure command is processed to generate a pressure- bas...  
WO/2018/204104A1
An electric motor built for exposure to high pressure fluid includes a unitary metal sleeve that provides a fluid barrier between the rotor and the stator. An overmolded resin encapsulates the stator windings and reinforces the sleeve to...  
WO/2018/201141A1
A self-contained pump system for supplying pressurized fluid to a remote actuator includes a handle portion adapted to be grasped by a user. The pump sytem also includes a brushless DC motor and a battery that has a nominal voltage of at...  
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...  
WO/2018/195124A1
The application is directed to a power system that may be provided in a portable form and operationally configured for use at a work site as a single source of electric power, hydraulic power and pneumatic power for work site operations....  
WO/2018/192836A1
The invention relates to a pressure cleaning device (100) comprising a pressure generating unit (120) for pressurizing a fluid and for dispensing a pressurized fluid via a hose attachment (150), preferably via a hand gun or via a cleanin...  

Matches 1 - 50 out of 5,468