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WO/2020/104995A1 |
The invention relates to a conveying device (400) comprising a housing (410), an actuator (430), a drive (450) and a sealing element (470). The housing has a fluid inlet (411, 413) and a fluid outlet (413, 411). The actuator (430) compri...
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WO/2020/083907A1 |
Electrohydrostatic drive with an electromechanical drive with a rotating drive shaft and a first receiving unit, wherein the electromechanical drive is arranged in the first receiving unit. Furthermore, the electrohydrostatic drive compr...
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WO/2020/081313A1 |
A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also a...
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WO/2020/076569A1 |
Pump assemblies, pumping systems including said pump assemblies, and related methods are disclosed. In an embodiment, the pump assembly includes a frame, a fluid end, and a power end coupled to the frame and the fluid end. In addition, t...
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WO/2020/070435A1 |
A pressure exchange unit with a hollow cylindrical body (1), a piston (2) sliding in the body, the piston (2) comprising a piston head (2) separating the inside of the cylindrical body (1) into a downstream chamber and an upstream chambe...
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WO/2020/069003A1 |
An electrically powered and electronically controlled diaphragm ink pump apparatus (e.g., 100, 200 or 300) and method for synchronous pressurization of ink in a corrugated board sheet feeding system comprises a diaphragm pump assembly in...
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WO/2020/052978A1 |
The invention relates to a combination metering assembly for filling liquid products into containers. The invention is characterized by a base unit (1) and pump components (3, 4, 5, 6, 11, 12, 13, 14) of at least two different pump types...
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WO/2020/035266A1 |
The invention relates to a reciprocating compressor, to be installed on and driven via an internal combustion engine, comprising a crankcase, a support part and a crankshaft, which is mounted rotatably with respect to the crankcase by me...
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WO/2020/030933A1 |
According to examples of the disclosure there is provided a heat-driven pumping system and a method of pumping. The heat-driven pumping system comprises a closed circuit for a first liquid. The closed circuit comprises a vaporization por...
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WO/2020/033181A1 |
A system and a method for producing fracturing fluid, comprising: engaging an engagement coupling attached to one end of a gear box dual shaft to a gear box connector of an external gear box, wherein the external gear box is part of a pu...
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WO/2020/033908A1 |
In some aspects, reciprocating engines can include a first reciprocating mechanism that includes an axially translating y-axis component configured to reciprocate substantially along a y-axis with a reciprocating motion of a piston assem...
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WO/2020/026135A1 |
High-pressure homogeniser (100) comprising: a volumetric piston pump (1) comprising a plurality of pumping pistons (10); a homogenising valve (20) arranged downstream of the volumetric piston pump (1); linear motion transmission means (5...
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WO/2020/019676A1 |
Provided is a pump assembly (100) and a high-pressure cleaner, wherein the pump assembly comprises: a first cavity (110); a crank cavity (121) and a plunger cavity (122) communicated with each other, wherein the plunger cavity communicat...
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WO/2020/015676A1 |
Disclosed are a water pump (100) and a tooth cleaning device. The water pump (100) comprises: a water inlet and outlet assembly (10) and a drive assembly (20). The water inlet and outlet assembly (10) comprises a support (11), a water in...
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WO/2020/014679A1 |
A system attachable to a refrigeration circuit includes a recovery pump attachable to the refrigeration circuit to remove refrigerant. The recovery pump includes a pump, an electric motor, a battery pack, and a recovery pump controller f...
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WO/2020/007175A1 |
Disclosed is a single-plunger high-pressure spraying pump, comprising a valve body (10) and a water inlet connector (60), and an electric motor (70), wherein the valve body (10) comprises a valve cavity (11); an upper portion of the valv...
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WO/2020/005613A1 |
A watering system including a receptacle including a fluid flow generator and a fluid flow generator controller which releasably couples to a fluid reservoir containing a fluid which can be transferred by operation of the fluid flow gene...
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WO/2019/228311A1 |
An electric oil pump (100), comprising: a pump housing, wherein the pump housing is provided with an internal pump chamber, and the internal pump chamber comprises a first chamber (80) and a second chamber (90); a first rotor assembly (2...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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) ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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 ...
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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...
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