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Patent Searching and Data


Matches 1 - 50 out of 14,386

Document Document Title
WO/2020/061196A1
A negative stiffness shell has a convex first position, but can transition or snap to a concave second position under a force applied to the exterior surface of the shell in the convex first position. During the transition, the shell exh...  
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...  
WO/2020/013722A3
The invention relates to a reciprocating gas horizontal compressor with free lifting piston, which includes a piston (11) with straight ends and compression chamber inclined, a crankcase (29) in which are mounted a crankshaft (28), a con...  
WO/2020/048204A1
A pumping machine, comprising a conveying cylinder (26, 27), and a main oil cylinder (28, 29) provided at one end of the conveying cylinder (26, 27), wherein a piston is provided in the conveying cylinder (26, 27); a piston rod of the ma...  
WO/2020/045553A1
A fluid supply system (1) comprises a centrifugal pump (2), and a priming pump (4) that is directly connected to the centrifugal pump (2) and provided downstream from the centrifugal pump (2), the priming pump (4) discharging less fluid ...  
WO/2020/046413A1
A water resistant hand pump fabricated entirely from plastic components is provided. The pump comprises a pump housing, actuator, piston, chaplet, stem and a pump spring where the pump spring is in the form of an elastic dome made from a...  
WO/2020/044100A1
A pump (10) includes a head (11) having an opening (15) and an injection port (14). The head is for holding content (21) to be forced through the injection port. A bladder (22) is within the head. The bladder is between the content and t...  
WO/2020/041357A2
Aspects of the disclosure relate to pressure regulation systems, pressure-activated valves, and passive pressurized fluid reservoirs thereof, and applications of the same. The pressure-activated valve includes a substrate and a membrane ...  
WO/2020/037910A1
A pressure stabilizing pump. The pressure stabilizing pump comprises a pump body (10), a water inlet connecting port (13) and a water outlet connecting port (14) are provided on the end face of one end of the pump body (10), the opening ...  
WO/2020/003154A4
The micropump according to the invention comprises a pump chamber (21), which can be filled with or emptied of fluid by means of a through opening (4) and by means of an inlet (51), wherein the pump chamber (21) is covered by a disk-shap...  
WO/2020/038639A1
The invention relates to a pump assembly (1) for conveying a fluid medium (3), in particular a liquid, with a working chamber (20) and a movable element (22), which is designed to enlarge and reduce the volume of the working chamber in c...  
WO/2020/041260A1
A peristaltic micropump include a plurality of channels, each channel being flexible, having a middle channel portion, and being operably in fluidic communications with a first port and a second port, and the middle channel portions of t...  
WO/2020/041359A1
A suction cover assembly for a reciprocating pump assembly includes a suction cover having a body that is configured to be held at least partially within an access port of a fluid cylinder of the reciprocating pump assembly. The body inc...  
WO/2020/036889A1
A rotary traveling valve for subterranean pumping system is disclosed herein. The traveling valve includes a rotary lock configured for back and forth rotary motion in response to up stroke and down stroke movements of a driver. The bott...  
WO/2020/034553A1
Disclosed is a high pressure pump, comprising a body (10) provided with a piston cavity (11). A valve assembly (40) is provided at one end of the piston cavity (11), and a piston (20) is slidably accommodated in the other end of the pist...  
WO/2020/031775A1
Provided is a suction filter configured so that the occurrence of erosion in a pump can be prevented by preventing the occurrence of cavitation. A valve is provided below a cover provided on the upper end surface of a first filtration se...  
WO/2020/032259A1
[Problem] To provide: a motor drive device which is capable of efficiently dissipating the heat generated by a heating element; and an electric pump. [Solution] A motor drive device 1 according to the present invention is provided with: ...  
WO/2020/033155A1
A piston pump includes a frame, a housing configured to be coupled to the frame via a fastener, an annular liner defining a chamber configured to receive a piston of the piston pump, and an annular liner lock flange circumferentially sur...  
WO/2020/028805A1
The present disclosure relates to a pneumatically driven pump for pumping a fluid. The pump may have a pump housing configured to receive a pressurized fluid signal. An inlet screen may be included at an end of the pump housing for admit...  
WO/2020/028531A1
A reciprocating piston pump may include a fluid handling portion comprising a fluid inlet, a fluid outlet, and a pump chamber; a drive assembly portion comprising a piston drive assembly, a reciprocating piston, a drive assembly housing,...  
WO/2019/213622A9
A valve and seat set has a seal coupled to the valve body, the seal surface comprising irregularities to allow pressure to propagate in-between the mating surfaces when pressure from the inside of the valve is equal to, or greater than, ...  
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...  
WO/2020/020419A1
The invention relates to a pump (1), in particular a high-pressure fuel pump, for a motor vehicle, comprising: a pump housing (2); a housing cover (3), wherein the pump housing (2) and the housing cover (3) enclose a damper chamber (4); ...  
WO/2020/021761A1
This swash-plate type piston pump/motor is provided with a rotary shaft; a cylinder block rotating together with the rotary shaft; a plurality of pistons (5) respectively inserted into a plurality of cylinders so as to be capable of reci...  
WO/2020/019628A1
A pulse-free wet spraying machine, comprising a frame (1), a pumping mechanism (2), a swing mechanism (3), a motor, and a hydraulic system (4). The pumping mechanism (2) comprises a hopper (21), a material chamber (22), a concrete feedin...  
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...  
WO/2020/018642A1
Disclosed are examples of valve systems and methods of operating the respective valve systems. An example valve system may include a valve body, an inlet component, an outlet component and a valve tube. The valve body may include a first...  
WO/2020/015518A1
Disclosed are a multi-spherical-surface connected reciprocation pump power end and a water injection pump, which are composed of a tilting disc (2) of the power end (10), a righting sleeve (4), an adjusting ball seat (7), a pull-back dis...  
WO/2020/018067A1
A valve unloader assembly (10) for a reciprocating compressor and method for manufacturing the valve unloader assembly are provided. A branched support structure (11) may be disposed about a longitudinal axis of the valve unloader assemb...  
WO/2020/013722A2
The invention relates to a reciprocating gas horizontal compressor with free lifting piston, which includes a piston (11) with straight ends and compression chamber inclined, a crankcase (29) in which are mounted a crankshaft (28), a con...  
WO/2020/011433A1
A piston pump (10), in particular a high-pressure fuel pump for an injection system of an internal combustion engine, having a piston (22) and a working chamber (24) which is delimited by the piston (22), wherein the piston (22) has a ru...  
WO/2020/011313A1
The invention relates to a high-pressure fuel pump (10) comprising an electromagnetically actuated fluid valve (12) in which at least one magnetic component (42) is arranged in a sleeve (36), a cover arrangement (60) being provided which...  
WO/2020/010661A1
An oil pump provided with a high strength damping structure, comprising a damping apparatus (1) and an easy disassembly apparatus (2), the main damping effect being achieved by the provision of a damper (102); a fixing plate (103) facili...  
WO/2020/011434A1
The invention relates to a piston pump (10), in particular a high-pressure fuel pump for an injection system of an internal combustion engine, having a piston (22) and a working chamber (24) which is delimited by the piston (22). The pis...  
WO/2020/012534A1
The purpose of the present invention is to ptovide a lightweight portable air compressor used in a dusty environment, which can be automatically cleaned without requiring a user to clean the air compressor. This lightweight portable air ...  
WO/2020/010843A1
An electrical pressure test pump, comprising: a main passage (11), a first passage (12) and a switch valve (15), the main passage (11) being used for connecting to a pipe system, and the main passage (11) being connected to the first pas...  
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...  
WO/2020/003154A1
The micropump according to the invention comprises a pump chamber (21), which can be filled with or emptied of fluid by means of a through opening (4) and by means of an inlet (51), wherein the pump chamber (21) is covered by a disk-shap...  
WO/2020/000739A1
A miniature diaphragm water pump, comprising a motor (10) and a water pump body (20). The motor (10) is connected to the bottom of the water pump body (20); a bushing (208) is provided at the joint of an inner chamber and a water inlet p...  
WO/2020/000617A1
A high pressure liquid cylinder structure, comprising: a cylinder (100), provided with an inlet passage (110) located at a side portion, a mounting space being vertically provided at the middle of the cylinder, the inlet passage being co...  
WO/2020/001872A1
Disclosed in the present invention are a vibration attenuation mechanism, and a vehicle with the vibration attenuation mechanism mounted thereon. The vibration attenuation mechanism (100) is used for subjecting a compressor (200) to vibr...  
WO/2020/005771A1
A gas charged cartridge 300A, 300B, 300C, 300D, 400 for use with a cylinder 302, 402 to form a pulsation control product 225, 235 is provided. The cylinder receives a fluid for the pulsation control product. The gas charged cartridge can...  
WO/2020/003206A1
A fracturing pump system includes a fluid end having a cylinder and a piston movable to pressurize fluid in the cylinder. The cylinder has at least one cylinder sidewall, packing located to prevent fluid from leaking between the piston a...  
WO/2019/244399A1
This pump device (10) is provided with: a pump body (12); a drive part (14) that drives the pump body (12); a casing (20) having a substantially cylindrical shape and accommodating the drive part (14); and a controller (16) that receives...  
WO/2019/246090A1
One or more techniques and/or systems are disclosed for mitigating fluid loss or leakage from a fluid pump (150) with a rotating shaft (158) driving a pumping mechanism. A packing gland (202) component can have an internal seal formed by...  
WO/2019/239224A1
A tool for roll-forming a noncircular lip of a component includes a central shaft, first and second axles, and first and second rollers. The central shaft has a longitudinal axis. The central shaft is adapted to rotate about the longitud...  
WO/2019/241312A1
A cover for an air compressor or pump includes a main plate body (12) having a first surface and a second surface opposite from the first surface, a plurality of external fins (18) that are formed on the first surface and protrude outwar...  
WO/2019/233661A1
The invention relates to an electromagnetically actuatable suction valve (1) for a high-pressure fuel pump (2), comprising an annular solenoid coil (3) for acting on an armature (4) that performs a reciprocal stroke movement and which is...  
WO/2019/232781A1
A diaphragm pump and a valve plate thereof. The diaphragm pump comprises a valve seat (3), a gas nozzle cover body (4), and a pair of valve plates (7a, 7b). A surface of the valve seat (3) is recessed to form a first accommodation slot (...  
WO/2019/236960A1
This disclosure provides a valve seat having cladded surfaces of high hardness in order to improve the service life of valve seats. The cladded surfaces may include various materials of favorable mechanical properties for mitigating fail...  

Matches 1 - 50 out of 14,386