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Matches 1 - 50 out of 14,290

Document Document Title
WO/2019/215035A1
The invention relates to an electrical fluid pump (6) for a motor vehicle, in particular an oil pump for a motor vehicle transmission (2), having a pump unit (30) with a pump housing (32) and with a pump flange (34) which closes the pump...  
WO/2019/214261A1
A medical plunger pump cavity structure and a plunger pump thereof. The cavity structure comprises a pump body (1), and the pump body (1) is provided with at least one plunger cavity; the plunger cavity comprises a piston working section...  
WO/2019/211100A1
The invention relates to a port plate (1) for a fluid throughput regulating device, comprising at least one fluid blocking section, and at least one flu- id conduit means (7, 9, 10, 13, 14, 15, 17, 18, 19) that fluidly connects two surfa...  
WO/2019/211021A1
The invention relates to a valve device for a high-pressure pump (24), comprising a valve body (60) pressed into a housing (30), and a movable valve element (36) which, with the valve device (22) closed, bears with a sealing portion (34)...  
WO/2019/209427A1
A fluid pump apparatus (60) for an artificial lift system has a barrel (62), a standing valve (64) positioned at a lower end (74) of the barrel (62) so as to be movable between an open position and a closed position, a plunger (66) recip...  
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/2019/206600A1
The invention relates to a fuel delivery device (100) for cryogenic fuels, comprising a tank (30), a high-pressure delivery pump (1), and a supply line (18), via which the high-pressure delivery pump (1) can be supplied with cryogenic fu...  
WO/2019/207908A1
The objective of the present invention is to provide a solenoid valve with which erosion can be suppressed, and with which a reduction in the number of components and a reduction in size compared with the past can be achieved, and a high...  
WO/2019/207451A2
Present embodiments provide a damped compressor used in mobile appliances. The appliances may comprise a compressor which is disposed within a housing and is in fluid communication with a refrigerant system. The present embodiments provi...  
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/2019/210255A1
A pump fluid end assembly having removable, modular valve blocks (1928, 1934) that include check valves (1960, 1934) such that the check valves can be more easily and quickly accessed, replaced, or repaired at a well site by removing the...  
WO/2019/201574A1
The invention relates to a swash plate-type axial piston pump, in particular for hydraulic systems, comprising a cylinder drum (3) which is rotated about a rotational axis (7) in a pump housing (1) and in which pistons (9) are arranged i...  
WO/2019/197235A1
The invention relates to a hydraulic system comprising two hydraulic circuits, each of which comprises a pressure generating unit that acts on an actuator unit with a reversible pump direction. The first and the second pressure generatin...  
WO/2019/193437A1
A piston (1) comprising a first portion (10) suitable for coupling with an actuator member (53) and a second portion (20) made of ceramic material suitable for sliding in a cylinder (51). The first portion (10) and the second portion (20...  
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/2019/194685A1
The invention relates to a metal barrel that contains a relatively heavy metal cylinder (disc) and has two fans disposed at the top and the bottom thereof (a fan at each end), with an electricity generation dynamo, the two fans being abl...  
WO/2019/195279A1
A fluid cylinder for a fluid end section of a reciprocating pump includes a body having a pressure chamber and a plunger bore that fluidly communicates with the pressure chamber. The plunger bore includes a packing segment configured to ...  
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/2019/186258A1
The invention relates to a minimum pressure valve (10) comprising a housing (17) with the valve inlet (11) and the valve outlet (12) connected with each other by means of a chamber and connecting space (22a, 22b), the minimum pressure va...  
WO/2019/191276A1
This disclosure presents a pump body, such as a fluid end housing used in a reciprocating pump, which provides an integral seating or engagement surface (or a valve seat integrated with the pump body) for a valve member. The integral eng...  
WO/2019/185531A1
Method for manufacturing a head-piece (10) of a pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, whereby the head-piece (10) is provided with a central hole (12) configured to define a cylinder (15...  
WO/2019/179674A1
The invention relates to a high-pressure delivery pump (1) for cryogenic fuels, comprising a pump housing (2), in which a stepped longitudinal bore (17) is formed. A suction chamber (50) is formed in the longitudinal bore (17), which suc...  
WO/2019/179199A1
An elastic piston connecting structure, comprising an elastic piston body (10) which is received in the wall of a piston cavity, and a connecting component (20) fixedly connected to a push rod. The end wall at the rear side of the piston...  
WO/2019/174801A1
Fuel delivery device (100) for cryogenic fuels, having a tank (30), a high-pressure delivery pump (1) and a feed line (18) which can supply the high-pressure delivery pump (1) with cryogenic fuel from the tank (30), wherein the high-pres...  
WO/2019/174814A1
The invention relates to a fuel delivery system for cryogenic fuel, comprising a piston pump (1) for conveying the cryogenic fuel on high pressure, wherein the piston pump (1) has a pump piston (2) which is drivable movable to and fro ha...  
WO/2019/173231A1
A valve assembly is disclosed herein having a valve member and a valve seat body. The valve member is reciprocatingly movable into and out of engagement with the valve seat body. The assembly further includes a seal insert positioned to ...  
WO/2019/170518A1
A pump apparatus for a system housing (10) in a vehicle comprises a pump device (12a) arranged in a pump housing (12), which device can be driven by a motor (M) specific to the pump apparatus or an external motor, wherein at least the pu...  
WO/2019/170369A1
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a high-pressure pump (6) having at least two cylinders (9), with a feed header (29) for feeding the fuel to the high-pressure ...  
WO/2019/166154A1
The invention relates to a piston compressor (1) for compressing a working fluid, particularly a liquid or gaseous fuel, comprising a piston (4) which can move back and forth in a cylinder bore (2) of a housing (3), has a one- or multi-p...  
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/2019/169366A1
A suction cover assembly for a frac pump includes a suction cover having an annular base flange defining a sealing interface proximate to the base flange. The suction cover is dimensioned to be accommodated within a bore well of a fluid ...  
WO/2019/169367A1
A valve with a modular seal is described herein. The valve includes a metal valve body defining at least one seal-receiving slot, at least one modular seal including an annular dampening member coupled to an annular metal member is confi...  
WO/2019/168526A1
In some examples, a scroll compressor may include an orbiting scroll and a fixed scroll having spiral involutes intermeshed together. A slider block may be disposed on the eccentric portion of a main shaft and the slider block may be att...  
WO/2019/169364A1
A valve assembly for a fluid end of a frac pump includes a valve seat, a generally cylindrical and elongated metal core, a dampener layer bonded to the metal core, a metal outer layer bonded to the dampener layer. The metal core, dampene...  
WO/2019/169363A1
A valve assembly for a high-pressure fluid pump includes a valve seat and a valve body. The valve body includes an annular head portion, a generally hollow valve cylinder coupled to the annular head portion, the valve cylinder defining a...  
WO/2019/166207A1
The invention relates to a device for providing fluids under a specifiable pressure for the pressure supply of a consumer, such as a working unit (1) of an SCR (selective catalytic reduction) system for treating the exhaust gas of intern...  
WO/2019/169312A1
A valve member for a reciprocating pump includes a valve head that is configured to move relative to a valve seat of the reciprocating pump between an open position and a closed position. The valve head includes a body, and an insert hel...  
WO/2019/169365A1
A valve assembly for a hydraulic frac pump includes a valve body having a spherical sealing surface, a valve seat having a circular concave sealing surface that receives and accommodates the spherical sealing surface of the valve body. T...  
WO/2019/163782A1
A member for pumps according to the present disclosure is used in a dual pump for supplying and discharging dialysis fluid and is made from aluminum oxide-based ceramics. The aluminum oxide-based ceramics contain calcium, and the calcium...  
WO/2019/161262A1
A pump includes a pair of valves, coupled to a camshaft that selectively opens and closes the valves such that when one valve opens the other valve closes. The valves are in fluid communication with a piston chamber. A crankshaft operate...  
WO/2019/153955A1
An elastic piston and a high-pressure pumping system. The elastic piston comprises a piston body (1), the rear end portion of the piston body (1) protruding radially outward to form a protrusion (2), the maximum diameter of the protrusio...  
WO/2019/155590A1
Provided is a plunger pump which is configured such that the plunger pump can be easily maintained. The plunger pump has: a sleeve unit that is provided with a sleeve for supporting a plunger such that the plunger can reciprocate; a cyli...  
WO/2019/156886A1
A plunger and cylinder assembly usable in the fluid end of a reciprocating pump. The assembly comprises a traveling cylinder, a stationary plunger, and an optional sleeve secured to the traveling cylinder in a detachable manner. The trav...  
WO/2019/150626A1
Provided is a liquid feeding device, comprising: a pump head; and a plurality of plunger pumps that each having a driving unit which allows reciprocating movement of a plunger in the axial direction thereof inside a pump chamber that is ...  
WO/2019/151868A1
A main object of the present invention is to disclose a piston rod sealing unit that solves the problems that have been mentioned from the prior art disclosures. The invention is a piston rod sealing system (0) with a sealing unit (9), f...  
WO/2019/152824A1
A multi-channel positive displacement piston pump apparatus includes a motor and a plurality of positive displacement piston pumps driven by the motor. The plurality of pumps are aligned in a stacking direction, and each pump has an inta...  
WO/2019/151062A1
Provided is a liquid chromatograph in which a solvent can be quickly replaced in a liquid delivery pump. The liquid chromatograph is provided with a liquid delivery pump 1 that takes in and discharges a solvent, and the liquid delivery p...  
WO/2019/149924A1
A breather assembly for a peristaltic pump comprising a breather tube and a cap. The cap is detachably connected to the breather tube and comprises a sealing portion. One of the breather tube and the cap comprise a guide track and the ot...  
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/2019/145314A1
The invention relates to a device (1) and a method for compressing a working medium, comprising: - compressing a drive medium in a compressor (2); - moving a drive piston (4) within a first cylinder (5) by means of the compressed drive m...  

Matches 1 - 50 out of 14,290