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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 ...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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....
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2011/004124A2 |
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...
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WO/2011/005571A2 |
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...
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WO/2011/002902A2 |
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...
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WO/2010/148507A1 |
An electromagnetic clutch includes a rotatable input member and a rotatable output member. A clutch plate is fixed for rotation with one of the input member and the output member. An armature plate is axially moveable relative to the oth...
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WO/2010/151407A1 |
A progressing cavity pump/motor includes a stator tube (12), a rotor (20) within the stator tube, and a coupling assembly (30) interconnecting the upper and lower rotor sections. The coupling includes a drive adapter (32) and a socket ad...
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WO/2010/146952A1 |
A piston is slidably provided in a cylinder and partitions a first pump chamber, and a second pump chamber connected to an object to be operated. A first on-off valve is provided between the first pump chamber and the outside. A second o...
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WO/2010/141490A2 |
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...
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WO/2010/138510A2 |
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...
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WO/2010/137991A1 |
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 ...
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WO/2010/133311A1 |
The invention relates to a displacement pump, constructed using microsystem technology, preferably used as a vacuum pump.
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WO/2010/133339A1 |
The invention relates to a device for delivering a fluid in a hydraulic circuit (motor-pump aggregate), comprising a hydraulic pump disposed within a hydraulic circuit and driven by a drive motor, wherein the hydraulic pump (3) is connec...
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WO/2010/135161A1 |
Fuel systems and methods for cold environments which includes a fuel pump (15) having at least one solenoid coil (40, 42) in an unlaminated magnetic circuit, the fuel pump being disposed in a fuel tank (16), and a pump drive and pulsing ...
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WO/2010/133390A2 |
Disclosed is a pump housing for a hydraulic unit in a motor vehicle, comprising a body that is provided with openings for accommodating components of an associated pump. One of the external surfaces of the body is designed such that a mo...
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WO/2010/126959A2 |
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...
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WO/2010/124750A1 |
The invention relates to a compressor (1) for generating compressed air in a vehicle, having at least one piston (6, 7), a cylinder (8, 9), a crankshaft (12), a lubricant connection (14) and a lubricant supply channel (13, 15 16, 20, 21)...
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WO/2010/124668A1 |
The invention relates to a method for operating a metering pump (12), particularly for delivering fuel for a vehicle heater, wherein the metering pump comprises a piston (14) which can be moved back and forth between a starting position ...
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WO/2010/124703A1 |
The invention relates to a pump arrangement (1) for filtering a fluid (F) according to the principle of reverse osmosis. The pump arrangement (1) comprises at least one high-pressure housing at least partially symmetrical about a center ...
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WO/2010/121858A1 |
An internal combustion engine having a crankshaft (1) and an injection pump (2) for delivering fuel into the combustion chambers, wherein the injection pump (2) has at least one camshaft or eccentric shaft (3) which is driven by the cran...
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WO/2010/118475A1 |
A heart pump including first and second cavities, each cavity including a respective inlet and outlet, a connecting tube extending between the first and second cavities, an impeller including: a first set of vanes mounted on a first roto...
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WO/2010/118476A1 |
A controller for a heart pump, the controller including a processing system for determining movement of an impeller within a cavity in a first axial direction, the cavity including at least one inlet and at least one outlet, and the impe...
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WO/2010/117540A1 |
A dispenser for dispensing a volume of viscous material on a substrate includes a frame, a gantry system coupled to the frame, and a dispenser unit coupled to the gantry system. The dispenser unit includes a housing having a chamber, and...
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WO/2010/112856A1 |
With reference to Figure 3, the present invention provides a fluid injector (10) which functions as a positive displacement pump and comprises: a housing (12) in which a piston chamber is formed; a piston (11) which reciprocates in the p...
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WO2010109945A1 |
In a solenoid operated valve (50) that serves as a pressure-regulating valve, a second drain port (52d) communicating with a spring chamber (59) is connected to a fluid path (46a) for supplying pressure to the spring chamber, the fluid p...
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