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Matches 51 - 100 out of 4,493

Document Document Title
WO/2023/031566A1
The invention relates to a pump assembly (1) including a pump (2) and an electric motor (3), the motor (3) comprising a stator (4) and a rotor (5) separated by an air gap, the pump assembly including a casing (6) defining a housing accom...  
WO/2023/015366A1
The present utility model relates to a thermal box (1) having a parallelepiped shape and provided with wheels (18) and a telescopic handle (15) for transport. It consists of a cover (14) at the top and is provided with a floating platfor...  
WO/2023/015687A1
A fracturing apparatus and a vibration reduction method thereof. The fracturing apparatus (300) comprises at least one fracturing unit (100) and a treatment device (200). The fracturing unit (100) comprises: a plunger pump (110); a low-p...  
WO/2023/014612A1
According to an embodiment of the present disclosure, there is provided a hydraulic power unit, HPU, for providing a pressurised hydraulic fluid to a material testing apparatus, the HPU comprising: a reservoir for storing a hydraulic flu...  
WO/2023/014350A1
Submersible hydraulic power units with interchangeable manifolds for hydraulic systems are provided. In one embodiment, submersible hydraulic power unit ("SHPU") for moving hydraulic fluid between a first chamber and a second chamber of ...  
WO/2023/006270A1
The invention relates to a high-pressure plunger pump (2) which comprises: at least one plunger assembly (3) having a working chamber (31) and a plunger (32) that is positioned in the working chamber (31) so as to be movable back and for...  
WO/2023/007193A1
A pump system (1) for use in a borehole, the pump system comprising a pumping chamber (5) having a piston (4) configured to reciprocate in a direction substantially perpendicular to the borehole axis. A renewable power source can be used...  
WO/2023/009487A1
A fluid pump (1100) comprises an electric motor (1102) configured to provide a unidirectional rotational output. The fluid pump further comprises a screw drive (1104) coupled to the electric motor. The screw drive is configured to conver...  
WO/2023/006178A1
Linear piston pump comprising a housing (1) in which a cylinder (2) is formed, a pump unit (3, 4) arranged in the housing and comprising a piston rod (4) and, arranged thereon, a piston (3) guided in the cylinder, and a drive unit (6) wh...  
WO/2023/001533A1
The invention relates to an auxiliary unit (200) suitable for electrically driving a truck-mounted concrete pump (100), the truck-mounted concrete pump (100) comprising: - a hydraulically driven concrete pump system (110) for conveying c...  
WO/2023/288081A2
The present invention provides a sump pump system, including a sump pump monitor and application. The sump pump system includes a sump pump. Components of the sump pump system are installed in and/or near a sump. The sump collects liquid...  
WO/2023/273329A1
A high-power five-cylinder drilling pump system, a solid control system and a drilling machine. The high-power five-cylinder drilling pump system comprises a drilling pump unit, a frequency conversion control room and a pump health syste...  
WO/2023/272934A1
Disclosed are an emulsion pump hydraulic end, and an emulsion pump. An emulsion pump hydraulic end (120) comprises: a valve body (10), the valve body (10) having multiple valve chambers, the valve chambers comprising a first mounting hol...  
WO/2023/273330A1
Disclosed are a high-power five-cylinder drilling pump set, a solid control system, and a drilling rig. The drilling pump set comprises a base (4), wherein the base is provided with a drilling pump and a lubrication system; the drilling ...  
WO/2022/271498A1
Pump 1 is a portable unit that includes a rotary vane, vacuum pump 3 (Figures 2 and 3) driven by the electric motor 5 (Figure 2). The vane pump 3 has a housing 7 with an inner surface 9 extending about the axis 11 to define in part a bor...  
WO/2022/268354A1
The invention relates to a heating device comprising a burner device (1) and a monitoring device (3). The monitoring device (3) monitors a pump device (10) of the burner device (1) by evaluating a current signal that can be tapped from a...  
WO/2022/268970A1
Drive system for a lifting apparatus (1), in particular a forklift, with a hydraulic system comprising: - at least one hydraulic pump (2) and - at least one hydraulic motor (3) for at least one driven wheel (4) of the lifting apparatus (...  
WO/2022/268269A1
The invention relates to a bearing assembly (1) for a pump motor, said bearing assembly comprising: a pump housing (2); a pump head (3) and at least one pump rotor (4); a motor housing assembly (5) having a stator (6) and a rotor (7), wh...  
WO/2022/263628A1
A piezo-electric fluid pump is provided comprising: a main housing (102); a fluid reservoir located within the main housing; a piston head (114) moveably mounted within the main housing; a piezo-electric stack (106); a bias mechanism arr...  
WO/2022/258641A1
An arrangement for providing a liquid metal jet in a vacuum environment is provided. The arrangement comprises a vacuum chamber; a nozzle arranged to provide the liquid metal jet; a jet receiver comprised within the vacuum chamber and ar...  
WO/2022/252245A1
A water pump of an oral irrigator, comprising: a pump housing (1) and a transmission mechanism, a sliding cavity (11) being formed in the pump housing (1), a piston (2) being provided inside the sliding cavity (11), the transmission mech...  
WO/2022/256653A1
Automatic electric actuation of the pumping mechanism of a liquid dispenser apparatus is provided by configuring a hollow tube to cooperate with an electromagnetically driven actuator and further configuring the hollow tube to inter-fit ...  
WO/2022/248869A1
A wind driven compressed air system, e.g. for water harvesting, comprising a wind driven rotor (16), a transmission (20, 21, 22) and a centrifugal compressor (19), driven via the transmission by the rotor. When configured for water harve...  
WO/2022/251310A1
An electrically driven oilfield pumping system may include a compound electro- hydraulic fracturing (frac) pump system that has a primary electric motor that selectively delivers power to one or more of at least two fracturing (frac) pum...  
WO/2022/247444A1
An easy-to-install water pump, comprising a mounting bottom plate (1). A motor housing (2) is fixedly mounted on the upper surface of the mounting bottom plate (1); a motor rear cover (3) is fixedly mounted at one end of the motor housin...  
WO/2022/245220A1
A pump, in particular a heavy-duty pump for pumping liquid or mixtures of liquids and particulate material, such as mud, proppant and concrete, said pump having at least one electric motor (15) coupled to a gear assembly (17), said gear ...  
WO/2022/236401A1
An apparatus for use in stabilising a plurality of float switches connected to a sump pump, comprising: a rigid elongate member which is substantially planar and has a plurality of spaced-apart notched openings disposed along its first l...  
WO/2022/238379A1
Vehicle leveling system for leveling a recreational vehicle comprising at least one hydraulically operated front stabilizing support (38a) mountable to a front side of the recreational vehicle RV and at least one hydraulically operated r...  
WO/2022/234476A2
Liquid displacing device comprising at least one inlet (10) and at least one outlet (20) and a displacement chamber (30) between the at least one inlet and the at least one outlet with a chamber wall (35) and with a set of displacement b...  
WO/2022/227829A1
A metering pump capable of intelligently and digitally adjusting a flow, and a working method thereof. The metering pump comprises a metering pump body, a servo motor (15), a servo motor controller (11), a PLC (12) and a display screen (...  
WO/2022/229729A1
A pumping unit (1) of a system (S) for preventing the phenomenon of aquaplaning in a motor-vehicle (V), configured to generate the operating pressure of a jet of fluid directed onto a road surface. The pumping unit (1) comprises: - a cyl...  
WO/2022/224222A1
The technologies described and recited herein pertain to a permanent magnet motor having multiple voltage taps so that the motor may run in multiple configurations, e.g., a low-range and a high-range, and have multiple optimal operating ...  
WO/2022/223465A1
The invention is based on a beverage pump, in particular an oscillating piston pump, for a domestic appliance (12), in particular for a beverage machine, for the purpose of conveying a liquid, comprising a working piston (14), comprising...  
WO/2022/218010A1
A water pump having a safety valve, used for an oral cavity cleaning device. The water pump comprises a pump body assembly, a water pump power assembly (2) and a safety valve. The pump body assembly comprises a pump body (1), which has a...  
WO/2022/217656A1
An oral irrigator water pump and an oral irrigator. The oral irrigator water pump comprises a control panel (10), a spring (40), a housing (20), and a magnetic induction assembly (30); the housing (20) comprises a first housing (21) and ...  
WO/2022/220806A1
An energy conversion system is dedicated to pressurizing a flow using a constant volume pressure source. In some embodiments, the constant volume pressure source is based on the pressure increase associated with a phase conversion in a c...  
WO/2022/221764A1
The present invention is directed to a recirculation system for use in microfluidic centrifugal disc platforms for reusing and mixing an entire sample. The present invention features a system comprising a reservoir, an input channel, a d...  
WO/2022/217258A1
A mobile agricultural pump system, comprising: a frame; a pump device connected to the frame and defining a pump inlet and a pump outlet, wherein the pump device provides water to a first outlet valve and a filtration system; a manifold ...  
WO/2022/214638A1
The invention relates to an aerial work platform which comprises a chassis, a platform, a lifting structure moved by hydraulic actuators (41, 42) and a hydraulic system (S), controlled by a control unit (50) and including a circulation c...  
WO/2022/200189A1
A fluid pump for generating a fluid stream (55) is provided. The fluid pump includes a first actuator (20) with a first vibration element, a second actuator (30) with a second vibration element, and a power source that is connected to th...  
WO/2022/193331A1
An electric cylinder driving device (22) and a beam pumping unit comprising the electric cylinder driving device (22). The electric cylinder driving device (22) comprises an electric cylinder outer pipe (1), an electric cylinder inner pi...  
WO/2022/189435A1
Calibration and/or pressurization device, for a device for indicating the pressure of a fluid in a closed circuit, comprising a body, a piston, an anti-rotation device, a hollow electric motor and a hollow gear motor. The body includes a...  
WO/2022/187879A1
The invention relates to a device for controlled supply of high-pressure fluid. In order to minimise the disadvantages of the prior art with regard to a complicated structure, notable wear and complex controllability at low speed and to ...  
WO/2022/188447A1
A pump unit for a miniature cleaning machine, belonging to the technical field of cleaning machines. The pump unit comprises an electric motor (1), a pump housing (2), a plunger (3) arranged in the pump housing (2), and a transmission as...  
WO/2022/187158A1
A cooling system including a heat spreader, an active cooling element, and a base is described. The heat spreader is in thermal communication with a heat-generating structure mounted on a substrate. The heat spreader over hangs the heat-...  
WO/2022/186753A1
A control unit (150) for controlling a hydraulic system on a construction machine (100), where the hydraulic system comprises a hydraulic pump arrangement with an electric drive motor configured to drive a hydraulic pump at a controllabl...  
WO/2022/183777A1
Provided is an assembly method for a low-noise water supply pump. The assembly method comprises: performing shaft system precision decomposition process design; performing rough-positioning assembly of an electric motor holder and a pede...  
WO/2022/182335A1
A pulsatile fluid pump system includes a pump-valving assembly including a chamber and a diaphragm assembly coupled to the chamber and including a flexible diaphragm. The diaphragm assembly and the pump-valving assembly are configured as...  
WO/2022/179798A1
The invention relates to a drive device (10) for a high-pressure cleaning apparatus, comprising a motor (12), the motor shaft (14) of which is rotatably mounted to a motor flange (18) and coupled to a swash plate arrangement (22) via a p...  
WO/2022/169608A1
A liquid delivery system (100) includes a reciprocating drive (210) and a liquid cylinder comprising a liquid piston (212), operably driven by the reciprocating drive, to pump a liquid along a flow path to a liquid applicator. The liquid...  

Matches 51 - 100 out of 4,493