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Patent Searching and Data


Matches 1 - 50 out of 13,834

Document Document Title
WO/2018/072933A1
The invention relates to a high pressure pump (100) for conveying fluid which is under high pressure, wherein the high pressure pump (100) comprises a variable-volume compression chamber (6) and a pressure valve (101). The pressure valve...  
WO/2018/075055A1
A pump fluid end includes a body that defines a plunger bore and a working fluid bore that intersects the plunger bore to form a cross bore. A packing bore is defined in the plunger bore and includes a packing sleeve bore, a taper relief...  
WO/2018/075034A1
Certain conditions require powering down an engine driving a pump. During the down sequence the pump may continue pumping servicing fluid which may not be desirable. Activating one or more control valves may throttle or prevent the servi...  
WO/2018/069138A1
Roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a reciprocating pump piston (2) on a cam (3) or eccentric of an input shaft (4), comprising a tappet member (5) that has a front recess (6) ...  
WO/2018/068294A1
A water pump water drawing pipe device for a pumping station. The pumping pipe comprises an upper water pipe (7) and a lower water pipe (6) which extends into water; a metal filter plate (76), which can be manually pulled out to remove i...  
WO/2018/069593A1
Anti-rotation base for hose for transporting a hydraulic fluid and hydraulic pump equipped with same. Base (1) for holding a device for supplying a hydraulic pump, such as a supply hose (5, 15). The device comprises attachment (16) and c...  
WO/2018/065211A1
The present invention relates to a fluid filter for a fluid device with a pump element and/or a solenoid valve in a motor vehicle, in particular for an ESP system, wherein the fluid filter is directly injected, wherein the fluid filter h...  
WO/2018/066995A1
The invention relates to a pump for the application of fluids, which comprises: a piston in which the head (3) of the plunger (1) is surrounded by two packing rings (4) separated from one another to form a channel (5), where a lubricant ...  
WO/2018/059875A1
The invention relates to a high-pressure fuel pump (22) having a piston chamber (26) and having at least one connecting piece (56), which comprises an outer wall (60) and via which the piston chamber (26) can be connected to a low pressu...  
WO/2018/064060A1
A pump system includes a first pump and a second pump each having a plunger assembly. The plunger assembly includes a crosshead, a plunger, and a sleeve. The sleeve at least partially surrounds the plunger and an end of the crosshead. Th...  
WO/2018/058755A1
A medical pressure-stabilizing pump, comprising a pump body (10), a first flow channel conversion element (11a), a second flow channel conversion element (11b), a check valve (12) and a switchover valve (13). The pump body is provided wi...  
WO/2018/064382A1
A hydraulic circuit includes a pump in fluid communication with a reservoir containing a liquid to be pumped. The pump includes an inlet and an outlet. The hydraulic circuit also includes a venturi pump in fluid communication with the re...  
WO/2018/061110A1
This pump device is provided with a pump main body for transferring a transfer fluid, a driving unit for driving the pump main body, an operating unit for setting operations of the driving unit, and a joint mechanism for attaching the op...  
WO/2018/058758A1
A piston structure, comprising a piston rod connector (10) which comprises a connector body (101), a seal ring (102) and a jaw structure (103); the seal ring (102) is sleeved on a first end portion (1011) of the connector body (101); the...  
WO/2018/059900A1
The invention relates to a roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a pump piston (2) which can move in a reciprocating motion on a cam (3) or eccentric of a drive shaft (4), compri...  
WO/2018/058100A1
A pin-bushing assembly (10) for a connecting rod (12) is disclosed. The pin-bushing assembly (10) includes a connecting rod bushing (14) at least partially disposed within the connection rod (12); and a piston pin (16) at least partially...  
WO/2018/055866A1
[Problem] A switching valve is used in a binary pump. This switching valve is provided with a first liquid delivery port to which a first pump unit is connected, a second liquid delivery port to which a second pump unit is connected, and...  
WO/2018/056027A1
Provided is a plunger pump capable of ensuring quietness. The plunger pump is provided with a cylinder, a piston, a discharge valve, and a plug member. The plug member is provided with: a recessed part which is formed on a circumferentia...  
WO/2018/052425A1
A system may include multiple strain gauges and multiple position sensors positioned on multiple pressure pumps. The strain gauges may measure strain in chambers of the pressure pumps. The position sensors may measure positions of rotati...  
WO/2018/049060A1
A fluid pump is disclosed with a fluid pump housing, a first pole piece having a first polarity and positioned within the fluid pump housing, an opposing pole piece having a second polarity different from the first polarity, positioned w...  
WO/2018/047767A1
This fluid control device (10) has a fan (22), a motor (23) which drives the fan (22), and a control unit (30) which controls the motor (23). A fan case (21) for accommodating the fan (22) has: a suction opening (21a) into which fluid is...  
WO/2018/049096A1
A reciprocating piston pump may include a pump chamber, a piston seal, a monolithic partially fluorinated polymer piston with a fluid engaging end, a seating end, and a longitudinal outer piston surface extending between the fluid engagi...  
WO/2018/049364A1
A fluid pump apparatus (44) for an artificial lift system (10) has a barrel (52), a standing valve (54) positioned at a lower end of the barrel, a plunger (56) reciprocatingly mounted within the barrel, and a traveling valve (58) positio...  
WO/2018/044289A1
A monitoring system may include strain gauges and position sensors corresponding to multiple pressure pumps. The strain gauge for each pressure pump may measure the strain in a respective chamber of each pump. The position sensor for eac...  
WO/2018/044090A1
A piston pump comprises: a sleeve housing provided with a discharge hole and forming a bore; a piston provided with an introduction passage for introducing oil into the bore and reciprocatably inserted into the bore; an introduction valv...  
WO/2018/037135A1
The invention relates to an oil wiper packing (1) for a piston rod (2) of a crosshead piston compressor, and to a corresponding assembly method. The oil wiper packing has at least one chamber disc (3) having a chamber disc cutout (3a), w...  
WO/2018/036442A1
A sealing ring lubrication structure in a coating transfer device comprises: a valve (1), and a coating inlet check valve (2), a coating outlet check valve (3), and a pushing piston rod (11) arranged in the valve (1). An inner chamber of...  
WO/2018/038388A1
Disclosed is a high-pressure large-capacity water supply apparatus which is configured to: continuously discharge water toward an upper discharge pipe and a lower discharge pipe with a single crankshaft rotation and a single stroke recip...  
WO/2018/033225A1
The invention relates to a pneumatic control device (1) comprising a control pressure chamber (2) having a first diaphragm element (3) forming at least one part of a wall of the control pressure chamber (2), a pump device (4) fluidically...  
WO/2018/035049A1
In some aspects, waterjet cutting pressurization systems can include a water pump: (i) having a pressurization chamber and (ii) having a high-pressure water seal maintaining water pressure within the chamber; and a leak detector in fluid...  
WO/2018/035049A4
In some aspects, waterjet cutting pressurization systems can include a water pump: (i) having a pressurization chamber and (ii) having a high-pressure water seal maintaining water pressure within the chamber; and a leak detector in fluid...  
WO/2018/028749A1
The present invention relates to a valve, a pump valve and a pump comprising a pump valve. The guidance of closing bodies in valves is an unresolved problem that can lead to considerable costs and often frequent failures of valves and th...  
WO/2018/030066A1
The purpose of the present invention is to provide a fluid machine capable of lubricating a lip seal with no difficulty even when an oil-impregnated sliding bearing is used as a drive shaft bearing. One end of a drive shaft (8) located o...  
WO/2018/031394A1
A quick disconnect pump assembly is disclosed. The pump assembly includes a housing with inlet and outlet ports, an elongate slot, and a retainer channel. A sliding lock moves within the slot between a locked position and an unlocked pos...  
WO/2018/025461A1
Provided is a reciprocating pump capable of preventing liquid accumulation due to the mounting structure of a pressure gauge in a fluid flow path including a pump chamber. A reciprocating pump 1 is provided with: a housing 2 having a flu...  
WO/2018/024381A1
The invention relates to a vehicle brake system piston pump, in which a piston is movable back and forth by means of an eccentric. A friction surface is formed between the piston and the eccentric, and a lubricant is provided on the fric...  
WO/2018/023973A1
A hand pump and a coffee machine having the same are provided. The hand pump comprises a pump body (10) and a plunger (20). The plunger (20) is located inside a tube of the pump body (10). The outer part of an end of the pump body (10) i...  
WO/2018/022642A1
An oxygen concentrator includes a wobble plate compressor having one or more double-headed pistons and cylinders. A wobble plate of the compressor does not spin as an axle rotates, but orbitally tilts relative to the axle, thereby causin...  
WO/2018/021231A1
[Problem] To provide a pressure sensor apparatus that is capable of suppressing enlargement of an electric pump. [Solution] A pressure sensor apparatus body 54 can be reduced in size in both the vertical direction and the radial directio...  
WO/2018/021758A1
A discharge valve formed between a discharge valve cover and a sleeve housing of a piston pump of a vehicle includes: a ball, which is disposed in a movable manner between the sleeve housing and the discharge valve cover and which select...  
WO/2018/022240A1
A poppet valve assembly including a valve seat defining at least one inlet port configured to receive a working fluid, a valve guard coupled to or integral with the valve seat and defining at least one outlet port configured to discharge...  
WO/2018/022202A1
A fluid delivery system (100) comprises a motor (102) that is configured to provide rotational motion to a rotary component (208). The fluid delivery system (100) also comprises an alignment mechanism (220). The alignment mechanism (220)...  
WO/2018/022661A1
Methods and systems of harvesting a cell product from a cell culture by culturing cells in a fluid medium until the cells have produced a cell product at a harvest concentration are disclosed. The cells are cultured in a cell culture sys...  
WO/2018/015000A1
The invention relates to an oscillating membrane pump having at least one mobile part (20), which is movably arranged relative to a fixed part (30), wherein the mobile part (20) is driven and the mobile part itself drives a displacement ...  
WO/2018/014472A1
A two-dimensional tapered roller piston pump, comprises a pump body (1), the pump body (1) being provided with a liquid absorption hole and a liquid discharging hole, a pump unit being provided in the pump body (1), and the pump unit bei...  
WO/2018/015866A1
The present invention is directed to a check valve assembly for a compressor (1) or a vacuum pump (100) comprising : - a valve body (5) adapted to receive a valve plate (6), said valve plate (6) pivoting between a first open position and...  
WO/2018/011767A1
The present invention concerns a pump for high-density powder transfer. The pump for high-density powder transportation according to the present invention has four-stroke operation, in which four pumping chambers in reality constitute a ...  
WO/2018/007313A1
Cylinder head cover (8) for a refrigerant compressor, wherein the cylinder head cover (8) can be fastened to the cylinder head arrangement (21), in order to configure a cavity for receiving refrigerant which is compressed by way of the p...  
WO/2018/008877A1
The present invention relates to a pump for very precisely controlling the amount of a liquid to be injected in a product production process. The present invention has the following effects: since a moving ring for sealing a cylinder and...  
WO/2018/009402A1
An inlet valve system for a cylinder chamber of a reciprocating compressor and a method for unloading the inlet valve system are provided. The inlet valve system may include an unloader, a valve assembly including a cylindrical valve bod...  

Matches 1 - 50 out of 13,834