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Patent Searching and Data


Matches 551 - 600 out of 5,486

Document Document Title
WO/2011/094607A2
An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper...  
WO/2011/094603A2
A pump assembly including an air motor includes a modular relief valve assembly connected to a motive fluid inlet of the air motor. The modular relief valve assembly has a housing that contains an actuator assembly, a ball valve assembly...  
WO/2011/094567A2
An air motor includes ceramic valves and valve plates to enhance performance and efficiency of the air motor.  
WO/2010/137991A8
The invention relates to an apparatus employing pressure transients for transporting fluids comprising at least one partly enclosed space (201,301,501,601,606,701,1101,1201), at least one body (202,302,502,602,607,702,1102,1202) in said ...  
WO/2011/027274A3
A pump has power and fluid ends wherein one or more of the drive rods are offset from the plungers. An offset coupler connects a drive rod to an offset plunger. A method includes connecting the offset power end to the standard fluid end ...  
WO/2011/089150A2
The invention relates to a system component (1) for a motor vehicle, in particular a pump component (1) for a pump of a cooling circuit of the motor vehicle, having a housing (10) and a circuit board (50) disposed in the housing (10), wh...  
WO/2011/030237A4
A high-pressure homogenizer comprising: - a fixed body (7) housing a rotating crankshaft (10); - a motor (3) for driving the crankshaft (10); - a reduction gear unit (4) interconnected between the crankshaft and transmission means {(5, 6...  
WO/2011/083125A1
The invention relates to a metering device (10; 10a; 10b) comprising a guide tube (20; 20a; 20b), a piston (24; 24a; 24b) inserted displaceably in the guide tube (20; 20a; 20b), an actuating assembly (40; 40a; 42) for exerting a force on...  
WO/2011/027273A3
A pump body is pre-compressed by expanding a displacement plug in a cavity to pre-compress a portion of a pump body comprising a piston bore, an inlet bore and an outlet bore spaced from said cavity, and connected in a pump assembly. A f...  
WO/2011/079330A1
The invention relates to a coolant compressor with a hermetically sealed compressor housing, in the interior of which lies a piston cylinder unit (21) that compresses a coolant. The cylinder housing (1) of said piston cylinder unit is cl...  
WO/2011/078786A1
An ultrasonic fluid pressure generator for generating high pressure head in a fluid. The ultrasonic fluid pressure generator comprises a transducer comprising a piezoelectric actuator and a displacement amplifier, the displacement amplif...  
WO/2011/071528A2
Systems and methods for operating a linear pump system involve operating a linear motor system; reciprocating a linear pump and a motor control module that issues commands and a control logic input to the linear motor system. The linear ...  
WO/2011/071284A2
The present invention relates to a linear compressor, comprising: a sealed container providing a sealed space and including a suction tube and a discharge tube through which a refrigerant is suctioned and discharged; a cylinder installed...  
WO/2011/068581A1
A permanent magnet direct drive mud pump (100) has a permanent magnet motor (40), a shaft (41) connected to the permanent magnet motor, and a pump head (49) connected to the end of the shaft opposite the permanent magnet motor. The perma...  
WO/2011/011440A3
A method of controlling a fluid pump. The pump has a plurality of oscillating pistons that travel along a central axis of a piston sleeve. A plurality of pistons is of similar mass within a piston sleeve are provided, and adjacent piston...  
WO/2011/043787A3
The pulse pump (10) is driven by an electric motor (12) and gear reduction (14) driving an eccentric rotor (48), which, in turn, oscillates a mechanism (16) actuating a diaphragm (18) to transfer fluid through one-way check valves (22, 2...  
WO/2011/030237A3
A high-pressure homogenizer comprising: - a fixed body (7) housing a rotating crankshaft (10); - a motor (3) for driving the crankshaft (10); - a reduction gear unit (4) interconnected between the crankshaft and transmission means {(5, 6...  
WO/2011/062427A2
The present invention relates to a linear compressor, and more specifically, to a linear compressor capable of providing greater power by varying a frequency during the high load condition. The linear compressor of the present invention ...  
WO/2011/062428A2
The present invention relates to a linear compressor, and particularly relates to a linear compressor capable of varying a natural cooling capacity while removing a capacitor connected to a motor. The linear compressor according to the i...  
WO/2011/058178A1
A pump comprises a flexible container (11) filled with a fluid and having a fluid inlet (104) and a fluid outlet (105), and a constricting device (12), preferably in the form of a braid tube, conforming the container (11) to a generally ...  
WO/2011/054333A1
The invention relates to a drive arrangement comprising an axial-piston internal combustion engine (A) that has a plurality of cylinders (GZ) fixed to a housing and arranged around a subcircle, each of said cylinders containing a longitu...  
WO/2011/054948A1
A housing (30) for use in high pressure fluid applications comprising a first drilling (32a, 32b), defining a first axis, and having a region of enlarged diameter (32b) bounded by an upper boundary (36) in a first plane and a lower bound...  
WO/2011/056855A1
In various embodiments, a pneumatic cylinder (1002,1016) assembly is coupled to a mechanism (1044,1046,1048,1055) that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumati...  
WO/2011/056504A2
An ultrahigh pressure pump includes a frame; a crankshaft having a journal; and at least one telescoping pump subassembly having inner and outer ends. The outer end is carried by the frame pivot so as to allow pivotal swinging movement o...  
WO/2011/051030A1
The invention relates to a hydraulic assembly (1, 100) for operating a brake system in a motor vehicle, comprising a hydraulic pump (101,140), an electric motor (11,102) having a shaft for driving the hydraulic pump (101,140), and a roto...  
WO/2011/011434A3
A gaseous fluid pump having at least one cylinder having a wall defining an inner volume and containing a central axis. First and second pistons that both move along the central axis, wherein the first piston and second piston have simil...  
WO/2011/005571A3
A reciprocating pump has a driven crankshaft and a connecting rod having an aft end rotatably mounted to the crankshaft. The pump has a stationarily mounted crosshead case in which a crosshead assembly strokes. The crosshead assembly has...  
WO/2011/043787A2
The pulse pump (10) is driven by an electric motor (12) and gear reduction (14) driving an eccentric rotor (48), which, in turn, oscillates a mechanism (16) actuating a diaphragm (18) to transfer fluid through one-way check valves (22, 2...  
WO/2003/024667A3
An oilless air motor assembly and method useable for driving hydraulic pumps and the like. The air motor assembly comprises a slide valve that moved back and forth relative to a valve sleeve situated about the slide valve. A low friction...  
WO/2011/002902A3
A carrier that holds a plunger for a reciprocating pump during maintenance. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repac...  
WO/2011/035972A1
The invention relates to an electric delivery pump for delivering a fluid, in particular for delivering fuel in a fuel injection system, which delivery pump has a pump unit and a drive unit, wherein the pump unit and the drive unit are a...  
WO/2011/008763A3
A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and...  
WO/2011/029577A1
The invention relates to a vibrating armature pump having a pump housing, which comprises a cylinder for receiving a substantially linearly displaceable pump piston unit (10). The pump piston unit (10) comprises at least one pump element...  
WO/2011/030237A2
A high-pressure homogenizer comprising: - a fixed body (7) housing a rotating crankshaft (10); - a motor (3) for driving the crankshaft (10); - a reduction gear unit (4) interconnected between the crankshaft and transmission means {(5, 6...  
WO/2011/027274A2
A pump has power and fluid ends wherein one or more of the drive rods are offset from the plungers. An offset coupler connects a drive rod to an offset plunger. A method includes connecting the offset power end to the standard fluid end ...  
WO/2011/027273A2
A pump body is pre-compressed by expanding a displacement plug in a cavity to pre-compress a portion of a pump body comprising a piston bore, an inlet bore and an outlet bore spaced from said cavity, and connected in a pump assembly. A f...  
WO/2011/022826A1
A series of improvements to artificial lift devices is disclosed. The use of a planar wireless motor in various embodiments of the artificial lift devices overcomes the limitations presently encountered with conventional lifts. The motor...  
WO/2010/138510A3
A compressor (20), as well as a lightweight and strong casting (22) for a compressor (20), are disclosed. The compressor (20), which may be a reciprocating compressor (20) for use in compressing high-pressure refrigerants such as CO2, in...  
WO/2011/022835A1
There is provided a fluid turbine comprising a stator having a track, a floating rotor rotatable upon an axis and a plurality of paddles, each paddle pivotally coupled to the rotor at a first end and coupled to the track at a second end....  
WO/2010/126959A3
A method and apparatus for accommodating mis-alignment of a piston rod in a reciprocating force delivery device is provided. A piston rod is coupled to a piston by a pivot bearing disposed around the piston rod inside the piston. The piv...  
WO/2010/141490A3
A connection between a shaft and a coupling that preferably involves involute shaped splines is designed to reduce stress from torque applied to the shaft by a drive motor. To avoid stress concentration at the mouth of the coupling on st...  
WO/2011/004124A3
Microsystem for generating a synthetic jet, corresponding manufacturing method and device for flow control. This microsystem (10) for generating a synthetic jet of fluid, comprising a chamber defining a cavity (12) and provided with an o...  
WO/2011/018244A1
Drive device for a fluid driven pump comprises a motor element (24) which reciprocates a piston (18). At least one mechanical energy storage element (31) is charged in the course of a piston movement in a first direction of movement (32)...  
WO/2011/015677A1
Hydraulic pumping system of variable flow per revolution, comprising a series of hydraulic cylinders (1), each of which features two tubes arranged in sliding coupling with a spring biased to extend the sliding assembly having attached s...  
WO/2011/012348A1
The invention relates to a fluid feed pump for conveying a fluid, having an electromagnet (6) for creating an electromagnetic field, an anchor (4) that is located in the electromagnetic field of the electromagnet (6) and that can be move...  
WO/2011/011434A2
A gaseous fluid pump having at least one cylinder having a wall defining an inner volume and containing a central axis. First and second pistons that both move along the central axis, wherein the first piston and second piston have simil...  
WO/2011/011440A2
A method of controlling a fluid pump. The pump has a plurality of oscillating pistons that travel along a central axis of a piston sleeve. A plurality of pistons is of similar mass within a piston sleeve are provided, and adjacent piston...  
WO/2011/011028A1
Pliant, or compliant mechanisms for extracting electrical energy or useful work from a moving fluid are described. Persistent deformations in flexible elements are maintained with deformation retaining, or restraining components. The def...  
WO/2011/008242A2
A pumping system is provided which is a mobile, vehicle-mounted pumping system, such as for water or fuels, which mounts on a vehicle and may be used for various applications. The pumping system operates a drive system and control system...  
WO/2011/008763A2
A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and...  

Matches 551 - 600 out of 5,486