Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,507

Document Document Title
WO/2019/214832A1
The invention relates to a helical gearing driven by an electric motor for driving an adjusting element (5), more particularly in the form of an actuator or a piston of a piston-cylinder unit, wherein the adjusting element (5) can be mov...  
WO/2019/214864A1
Fluid pumping system for a vehicle having an internal combustion engine, wherein the fluid pumping system comprises: a housing (3); an electric machine (20); a planetary drive (7) with a first part which can be driven by the internal com...  
WO/2019/214835A1
The invention relates to a piston-cylinder system, in particular for an actuator unit or brake system, comprising a cylinder (7) having a cylinder bore having an internal diameter (d4) and a piston (5) axially mounted therein so as to be...  
WO/2019/210417A1
A powertrain for powering wellsite pumping operations includes a power source for producing energy, a power bank, electric motors coupled to pumps, and a power management system. The power source can be a prime mover coupled to a generat...  
WO/2019/210248A1
A well service pump system supplies high pressure working fluid to a well. The pump system includes a closed-loop hydraulic circuit for actuating a plurality of working pump assemblies. The pump system is powered by a motor, which transf...  
WO/2019/210257A1
A well service pump system supplies high pressure working fluid to a well. The pump system has a linear design which incorporates an electric motor (212), a variable frequency drive (VFD) (216), a pump drive (220), closed loop variable f...  
WO/2019/210252A1
A well service pump system for supplying working fluid to a well, the pump system having a structural joint (1802) coupled to and extending between the housing (1604) of a hydraulic ram cylinder (1602) and the housing ((1704) of a workin...  
WO/2019/203483A1
An electrospinning apparatus for producing ultrafine fibers according to the present invention comprises: a cylindrical metal guide disposed to surround a hollow tube needle, which receives a charged solution and discharges the charged s...  
WO/2019/204242A1
A hydraulic fracturing system is disclosed as including a singular mobile platform of at least one mobile power unit (MPU) and at least one first switch gear that is configured to handle electric power from the MPU. The MPU is configured...  
WO/2019/199760A1
A handheld sprayer (10') includes a fluid module (12') mounted to a drive module (14') at a static connection (16') and a dynamic connection (18'). The static connection (16') supportably attached the fluid module (12') to the drive modu...  
WO/2019/195613A1
A replacement tube (300, 400, 500) for a manifold is provided. The replacement tube includes a closed cell foam (305) and a reinforcement strip (310). The closed cell foam is formed in a cylindrical tube and flexible to absorb pressure p...  
WO/2019/195209A1
An electrical power generation system includes a hydraulic pump configured to be switchable between operating in a first pump direction and in a second pump direction opposite the first pump direction and a hydraulic motor operably conne...  
WO/2019/186288A1
The invention describes a valve unit (125) for pumps (100) comprising: a first chamber (130) communicating with an inlet conduit (135) and with a discharge conduit (215), a second chamber (140) communicating with the first chamber (130) ...  
WO/2019/180633A1
A ferrite magnet semi-modular brushless DC, BLDC motor assembly comprising a submersible motor (2) operably coupled to a centrifugal pump (1). The motor (2) comprises a semi-modular rotor (25) disposed radially outwards on a motor shaft ...  
WO/2019/182678A1
Apparatus for blending and applying plural substances including aggregate onto an environmental substrate is shown and described. The apparatus includes optionally a single power plant, plural pumps each fed by a respective hopper, and a...  
WO/2019/180073A1
A reciprocating pump drive is disclosed. The reciprocating pump drive comprises a housing and a transmission mechanism. The transmission mechanism comprising an input shaft rotatably supported in the housing. The input shaft has an input...  
WO/2019/183383A1
Non-limiting exemplary embodiments of a pumping system and methods for operating the pumping system in a region of high pressure or a region of high flow are disclosed. The pumping system includes a piston disposed within a piston cylind...  
WO/2019/183407A1
Embodiments are disclosed for the control of downhole pumping systems that can perform a controlled draining operation of the downhole pumping system in the event of an interruption of a drive. Such embodiments include a zero power facto...  
WO/2019/173495A1
Methods and devices for a self-contained device including a hydraulic motor and a hydraulic pump. Preferably, the motor is incorporated either within the interior of the pump, on the exterior of the pump, or a combination of the two. The...  
WO/2019/169466A1
The present invention patent relates to the agricultural sector and concerns a hydraulic unit designed to increase the safety of the spraying process and to reduce maintenance frequency. The hydraulic unit is based on a closed circuit in...  
WO/2019/170255A1
The invention relates to a control method for a high-pressure cleaning appliance (10) having a pump (16), an electric motor (14) and a control device (18). In order to easily adjust the speed of the electric motor (14) when a nozzle (30)...  
WO/2019/167065A1
An electric and hand operated pump system configured to lift ground water by means of a submersible reciprocating pump, which operates by electric energy and hand manually by both rotary and oscillating mode, said system comprising: a su...  
WO/2019/166956A1
The pump comprises a hollow body (6) having an inlet ( 8 ) and an outlet (10), between which a fluid can flow. The hollow body (6) further comprises a work chamber (7) located between the inlet ( 8 ) and the outlet ( 9 ). There is a pist...  
WO/2019/166955A1
Vibration pump comprising: a core (2) at least partially made of ferromagnetic material; a solenoid (4) for actuating the core (2); a cylinder (6) comprising a work chamber (7) in which the core (2) can slide; an inlet duct (8) and an ou...  
WO/2019/166954A1
The pump comprises: a piston (2) at least partially made of ferromagnetic material; and a hollow body (6) configured for being crossed by a flow of fluid and comprising a work chamber (7) in which the piston (2) can reciprocate in a guid...  
WO/2019/158536A1
The invention concerns an oscillating piston pump comprising: a first hollow tubular body (11) in which a piston (5) moves; a second hollow tubular body (12) extending around said first hollow tubular body (11), carrying a solenoid (3) t...  
WO/2019/159213A1
Positive displacement pump, comprising at least a cylinder (11), provided with at least an entrance aperture (14) and at least an exit aperture (15) for the liquid and a plunger (12), mobile inside the cylinder (11) by means of a first a...  
WO/2019/149601A1
A device for processing a workpiece, having at least one plunger pump (1) which can be driven by means of an electric motor and which serves for generating a highly pressurized volume flow, which volume flow can be interrupted in control...  
WO/2019/152140A1
A negative pressure wound therapy device includes a piezoelectric pump, a state detector configured to detect a state of the pump, and a control circuit configured to transmit a first control signal for a first period having a first RMS ...  
WO/2019/152744A1
A modular multi-channel syringe pump assembly includes a chassis in which are mounted two or more parallel syringe banks. Each syringe bank includes a syringe for retaining a fluid in a chamber with a syringe plunger for drawing fluid in...  
WO/2019/152359A1
An integrated, portable, battery-powered, variable-pressure electric liquid pump and power emergency station comprising a chassis; one or more wheels supporting the chassis; an electrically powered, variable-pressure liquid pump carried ...  
WO/2019/143310A1
The invention relates to reciprocating piston pumps, and more particularly to a two-stroke downhole pump having a linear submersible electric motor. The essence of the invention is that an upper pumping plunger and barrel pair of a pump ...  
WO/2019/142155A1
A portable hydraulic-powered air compressor system detachably connected to a hydraulic power system of a vehicle may include a reciprocating compressor. The reciprocating compressor may include a compression cylinder, and a compressor pi...  
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...  

Matches 1 - 50 out of 5,507