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Patent Searching and Data


Matches 551 - 600 out of 14,586

Document Document Title
WO/2017/064197A1
The invention concerns a hydraulic machine comprising: a casing (14); a differential piston (1) having an upper ring (23) and a lower base (27), suitable for sliding in reciprocating movement respectively in the casing and in a cylindric...  
WO/2017/063376A1
An electromagnetic shock pump, comprising: a valve body (11), provided with a center hole; a pressure relief valve, provided within the center hole; a piston (13), comprising a piston head (131) provided within the center hole, an end of...  
WO/2017/065121A1
The brush device (100), which has one pair of brushes (30A), (30B) slidably in contact with a disk-shaped commutator, is equipped with: a first brush unit (101) which has a first brush (30A), a first terminal (40A), and a first pigtail (...  
WO/2017/066093A1
A valve cover assembly and a liner retainer assembly configured to retain a plug, a liner, and/or a liner seal within or against a module or retention body of a fluid end of a pump. The valve cover assembly and the liner retainer assembl...  
WO/2017/066440A1
A tandem motor linear rod pumping apparatus for imparting reciprocating, substantially-vertical motion to a pump rod for a sucker-rod pump. The tandem motor linear rod pumping apparatus includes first and second linear mechanical actuato...  
WO/2017/064691A1
A reciprocating pump (10) comprises a first upright leg (12), a second upright leg (14), a first cross-over conduit (18), a second cross-over conduit (18), a lower valve assembly (20) and an upper drive assembly (22). The drive assembly ...  
WO/2017/059510A1
The present invention relates to an artificial lift system using a downhole reciprocating pump with a double action piston for oil wells. The pump comprises a plunger (4) moved by the mechanical or hydraulic actuation rod (3), and is cha...  
WO/2017/060085A1
The invention relates to a high pressure fuel pump (10) for supplying a first injection device (14) of an internal combustion engine, in particular of a motor vehicle, with fuel, having at least one low pressure connection (30), via whic...  
WO/2017/060616A1
According to the present invention: the product (10) is sucked into a first transit vessel (2) placed under vacuum and, simultaneously, a second transit vessel (3) is emptied by flushing under pressure; and then, said product is sucked i...  
WO/2017/055134A1
Disclosed is a frequency converter with cooling for an electric motor that drives a hydrostatic pump. The cooling takes place via the working pressure medium that is delivered by the pump. A channel of the cooling system can form a porti...  
WO/2017/055103A1
The invention relates to a high-pressure pump comprising a pump housing; a driveshaft which is mounted in the pump housing in a rotatable manner about a rotational axis; a roller which is mounted between the driveshaft and a first side o...  
WO/2017/055145A1
The invention discloses a hydrostatic compact assembly comprising an electric motor and a pump which delivers a pressure fluid from a tank to a consumer connection. The tank is circular ring-shaped and the electric motor and the pump tog...  
WO/2017/053294A1
The present disclosure relates to apparatuses, systems and methods for pumping liquids. In particular, the present disclosure relates to apparatuses, systems, and methods comprising plunger pumps and uses thereof.  
WO/2017/047168A1
[Problem] To provide: a pump unit which has a reduced overall length and the mechanical efficiency of which is maintained when the pump unit is used for a long period of time; and an actuator provided with the pump unit. [Solution] A pum...  
WO/2017/046861A1
A check valve is provided with a rectilinear flow passage having a liquid inlet and a liquid outlet and allowing liquid to flow therethrough in one direction, and a first valve body, a first valve seat, a second valve body, and a second ...  
WO/2017/042174A1
According to a first aspect of the present invention there is provided a fuel pump housing for use in a fuel pump of a common rail fuel injection system in a vehicle engine, the fuel pump housing comprising a pumping chamber and a drilli...  
WO/2017/039760A1
A new pump design is described. The pump features a casing with a continuous enclosure extending from a power end of the casing to a fluid end of the casing for housing the reciprocating assembly of the pump, which includes a crankshaft,...  
WO/2017/039695A1
A monitoring system may include a position sensor, a strain gauge, and a computing device for determining the condition of a valve in a chamber of a pump using strain measurements. The strain gauge may determine strain in the chamber. Th...  
WO/2017/039692A1
A flow-rate monitoring system may include a position sensor, a strain gauge, and a computing device for determining a rate of fluid flow through a pump using strain measurements. The strain gauge may determine strain in the chamber. The ...  
WO/2017/039700A1
An analysis system may determine a discharge pressure or a suction pressure using a single measurement sensor coupled to a computing device. The measurement sensor may include a pressure sensor or a strain sensor. In some aspects, the pr...  
WO/2016/014967A8
A plate segment for a reciprocating pump power end frame assembly, the power end frame assembly having a pair of end plate segments and at least one middle plate segment disposed between the end plate segments. The plate segment consists...  
WO/2017/032484A1
The pump comprises at least one pump element (10) which in turn comprises a pump piston (12) which is driven to perform a reciprocating movement, is displaceably guided in a cylinder bore (18) of a housing part (20) of the pump, and deli...  
WO/2017/035289A1
A compressor (20) comprises: a case (22); and at least one piston (40) mounted for reciprocating movement, each in a respective cylinder (42) of the case. The at least one piston has a peripheral surface (50) and an upper surface (52). A...  
WO/2016/015012A8
A drive system for a fluid end of a reciprocating pump assembly including a drive member and a power end housing having a crankshaft rotatably disposed therein. The assembly includes a gearbox secured to the power end housing, the gearbo...  
WO/2017/030986A1
A cylinder head for a compressor is disclosed. A compressor is also disclosed including the head. A refrigeration system is also disclosed, including the compressor.  
WO/2017/029028A1
Disclosed herein is a housing (200) for a fuel control unit of a high pressure pump. The housing (200) comprises a first connector (202) in flow communication with an overflow valve (204) located within the housing (200). The overflow va...  
WO/2017/016850A1
The invention relates to a pressurized medium delivery device (10), in particular for a motor vehicle, having a housing (12) on which there are arranged a suction connection (14) for supplying pressurized medium into the pressurized medi...  
WO/2017/015782A1
An axial piston pump, comprising an end cover (15), a front cover (9), a pump shaft (10) provided within the front cover (9), a back cover (4), a swashplate (17) and a cylinder body (8) installed inside the back cover (4). The end cover ...  
WO/2017/014755A1
In at least some implementations, a lubricator for vehicle driveline components includes a housing and a pump body. The housing defines at least part of a fluid chamber and has an inlet through which lubricant flows into the chamber and ...  
WO/2017/012836A1
A fuel pump including a housing and including at least a first flow path and a second flow path formed within said housing where at least two flow paths are arranged substantially adjacent.  
WO/2017/011401A1
An apparatus, in accordance with a non-limiting exemplary embodiment, includes a frame, a hopper attached to the frame, a pump assembly attached to the frame, a connector, and first and second securement assemblies. The hopper includes a...  
WO/2017/005338A1
A hydraulic unit, in particular for supplying pressurized liquid to conveying and lifting mechanisms, comprising a tank (7) that is located at the end in relation to a main device axis (9), and functional components that are mounted on t...  
WO/2017/007128A1
The present invention relates to a diaphragm pump assembly which draws in and discharges fluid and, more specifically, to a diaphragm pump assembly, comprising: a housing having an inlet for drawing in the fluid and an outlet for dischar...  
WO/2017/000241A1
A compressor (100) comprises a housing (1), and comprises a compressor pump body (2), a machine frame (3) and a motor (5) that are disposed in the housing (1). A stator positioning portion (8) is formed on a stator (52) of the motor (5)....  
WO/2017/002667A1
Provided is a plunger pump that has improved maintainability while achieving a protective structure. The plunger pump 1 is provided with: an air motor unit 10 driven by compressed air and having a piston 13 that can reciprocate inside an...  
WO/2016/207788A1
Bleed valve (400) having a longitudinal axis, the bleed valve (400) having an operative configuration wherein the longitudinal axis extends in a vertical direction, the bleed valve (400) comprising a one-way valve (404, 405, 406, 407), a...  
WO/2016/205131A1
A well pump assembly (24) has a barrel 54), a standing valve (48) at an upper end of a standing valve chamber (46), and a plunger (70). A travelling valve (82) admits well fluid into the barrel during a fill stroke. The travelling valve ...  
WO/2016/198155A1
a. Problem: It is sought to achieve that the reciprocating-piston pump exhibits an inlet-side pressure reduction and/or delivery flow limitation, and operates reliably even with liquids of different composition, even contaminated with sm...  
WO/2016/198188A1
The invention relates to a 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 an eccentric of a drive shaft (4), comprising a tappet body (5) a...  
WO/2016/201241A1
A piston (800) for a piston pump includes an attachment portion (804) configured to attach the piston to the piston pump; and a cylinder portion (802) having an internal cavity (820) fluidly isolated from the environment by an outer wall...  
WO/2016/198193A1
The invention relates to a roller tappet (1) for a piston pump for supporting a reciprocating pump piston (2) on a cam (3) or an eccentric of a drive shaft (4), comprising a tappet body (5) and a hollow cylindrical roller (6) that is par...  
WO/2016/198314A1
The invention relates to a high-pressure fuel pump (10) comprising a housing (12) and a flange (14) by means of which the housing (12) can be fastened to an engine block or cylinder head, the flange (14) being constituted of at least two...  
WO/2016/199382A1
[Problem] To provide a pump dispenser configured so that the position of the nozzle does not move vertically, thereby enabling the direction of ejection of liquid to be determined appropriately, and so that the trigger can be operated ea...  
WO/2016/194598A1
The objective of the present invention is to provide a pump device and a method of manufacturing a pump device with which it is possible to reduce the number of components, reduce the required amount of labor, and reduce the size of the ...  
WO/2016/192975A1
The present invention relates to a hermetic type compressor (1) comprising a motor (2) composed of a stator (3) and a rotor (4); a crankshaft (5) that transfers the movement received from the rotor (4); a piston-rod mechanism (6); a cyli...  
WO/2016/190104A1
This variable displacement swash plate-type hydraulic rotating machine has a swash plate of which the inclination can be altered. The swash plate is provided with a slide-contact surface against which a shoe slides, and a sliding part ha...  
WO/2016/188661A1
In order to improve the cycle times and to reduce the error rates during the production of a high-pressure fuel pump (28) having at least one piston (30), on which a sealing device (74) that radially surrounds the piston (30) is arranged...  
WO/2016/185377A1
A circuit for feeding a fluid to an inflatable chamber, comprising: a compressor (2); a two-way and two-position solenoid valve (3) provided with a first port (31 ) and a second port (32) and operable between an open configuration, in wh...  
WO/2016/187525A1
A positive displacement pump for dispensing fluid includes a fluid body sub-assembly including a fluid body and a negating check valve. The negating check valve includes a negating body defining a dispensing opening. The fluid body and t...  
WO/2016/184797A1
A pump assembly for delivering high pressure fuel to a fuel injection system comprises: at least one pumping unit having an associated pumping element; a housing (12) defining a chamber (20) for a lubricating fluid provided through a flu...  

Matches 551 - 600 out of 14,586