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WO/2011/027059A1 |
The invention relates to a device (10) for injecting a reducing agent (10) for selective catalytic reduction, including: a piston (30) that is movable inside an injection chamber (38); a supply line (12) supplying the chamber with a redu...
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WO/2011/020177A1 |
A switching assembly for a hydraulic pump jack has a non-magnetic cylinder. A piston is reciprocally movable within the interior bore of the cylinder. The piston has circumferential sealing means to engage the interior surface of the cyl...
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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/2011/017817A1 |
An Oldham pump includes a pump body, a first rotor, a second rotor, a first piston and a second piston, a first pivot hole and a second pivot hole are provided inside the pump body, the axes of the first and second pivot holes are symmet...
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WO/2011/018389A1 |
The invention relates to a high pressure pump (1), in particular serving as a radial or reciprocating pump for fuel injection systems of air-compressing, self-igniting internal combustion engines, comprising a pump assembly (6) and a dri...
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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/2011/012696A2 |
Device to deliver fluid products, comprising a plurality of canisters (40), each containing a predetermined fluid, and connected to an associated delivery unit (20). The device comprises a rotating support (18), on which the plurality of...
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WO/2011/012692A2 |
Device to deliver fluid products or suchlike, comprising a plurality of canisters (40), each one suitable to contain a predetermined fluid, and connected to an associated delivery unit (20). Each delivery unit (20) comprises a bellows pu...
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WO/2011/007916A1 |
The present invention relates to a pumping device of a fluid container for discharging content by a predetermined amount. More particularly, the press button includes: a pressing panel provided with a pressing section to be pressed by ap...
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WO/2011/008715A2 |
A pump includes a pump body defining a fluid chamber and inlet and outlet ports in fluid communication with the fluid chamber, an inlet check valve connected to the inlet port, an outlet check valve connected to the outlet port, and a pi...
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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/2011/003657A1 |
The invention relates to a high-pressure fuel pump for a fuel injection system of an internal combustion engine, comprising a pump housing (2) and at least two pump elements, each of which comprises a piston (11, 12) that can be moved ba...
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WO/2011/000598A1 |
The invention relates to a high-pressure pump (1) for a fuel injection device of an internal combustion engine, which has a pump element (6) with a pump piston (7) which, by means of an eccentric (21) provided on a rotatably mounted driv...
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WO/2010/143469A1 |
Disclosed is a double reciprocation pump wherein a pump operation is always stable, and pulsation is dampened. A pair of spaces are formed in the inside of a case member (2) in the axial direction of the case member (2). Each of movable ...
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WO/2010/143496A1 |
A solenoid operated valve (20) is provided with a pressure regulating part that serves as a pressure regulator valve and a pump part that serves as an electromagnetic pump, wherein a pump is formed by a sleeve and a spool (24) adjacent t...
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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/2010/134290A1 |
Provided is a piston cylinder unit which can be universally applied to different types of trigger sprays by modularizing a main function structure portion. The piston cylinder unit (A) is incorporated in a trigger spray wherein a piston ...
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WO/2010/132374A2 |
A reagent head has a housing, an inlet and an outlet. Check valves and other details are not shown for clarity. The reagent head may have a dish where a diaphragm may seat when in a fully forward position. The reagent head may be constru...
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WO/2010/129943A1 |
An air operated double diaphragm pump comprises an integrated electric generator and an air efficiency device. The integrated electric generator increases the portability of the air operated double diaphragm pump. The air efficiency devi...
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WO/2010/124900A2 |
A polygonal ring (10) for driving a piston pump has an annular body (14) which extends around a given axis (A) and has a cylindrical internal surface (15) which extends around the axis (A); three planar external surfaces (16), each of wh...
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WO/2010/081008A9 |
A pump system includes at least one pressure chamber at least partially defined by a helical bellows plunger comprised of a tubular body, a closed front portion, an open rear portion, and at least one contour extending continuously as a ...
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WO/2010/121856A1 |
The invention relates to an internal combustion engine of a motor vehicle, consisting of a driving shaft (2) with at least one stationary cam (3) displaced thereon, by the cam profile (4) of which a cam surface (5) is formed made of diff...
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WO/2010/118535A1 |
A downhole pump for use in oil and gas wells and a method for using same is provided. The pump includes a cylindrical housing having a pair of opposing pistons disposed therein, connected together by a connecting rod that reciprocates wi...
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WO/2010/118903A1 |
The invention relates to a piston pump (10), particularly a fuel pump, having a shaft (12), at least one cam (14) arranged thereon, a piston, and a roller (20) arranged between the piston and the cam (14) for rolling on the cam (14), whe...
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WO/2010/115430A1 |
A lever pump (1) for use in anal irrigation is provided. Such a pump has an actuating handle (2) which the user moves up and down. Due to the length of the handle, the handle functions as a lever to the pump mechanism. The pump mechanism...
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WO2010110001A1 |
Disclosed is a syringe drive unit (1) wherein, when a plunger is pushed in a syringe body using a feed screw mechanism, a plunger pressing member (6) can be moved an extremely short distance to discharge a medicinal solution from the syr...
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WO/2010/102942A1 |
The invention proposes a tappet (1), for a high-pressure fuel pump, having a housing (2), the drive input side (7), which serves as a cam run-on face, of which housing (2) incorporates a roller (8), wherein the drive output side (3), whi...
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WO/2010/099579A1 |
Disclosed herein is a fluid driven reciprocating pump. The pump comprises a reciprocating piston in a cylinder, the piston dividing the cylinder into first and second cylinder chambers. The pump also comprises first and second fluid flow...
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WO/2010/097247A1 |
In a piston pump (1) comprising at least one pump piston (7), which is displaceably guided at least approximately radially to a drive shaft (2) and supported, by way of a roller (11) that is rotatably mounted in a roller shoe (10), on a ...
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WO/2010/096870A1 |
A flowable material delivery system (10) comprises a working fluid valve (26); and, a pump (18) in fluid communication with the working fluid valve (26). The pump (18) is configured to hold a supply of a flowable material such as grout. ...
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WO/2010/094118A1 |
The present invention provides a compressor powered by a pressurized gas, whether steam or another working fluid, and a system for extracting work using such as compressor. The pressurized gas may comprise a heated working fluid in a gas...
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WO/2010/086580A2 |
A pump for use in pumping hydraulic well control fluid expelled from a control device of a well, comprises means (1, 3, 4) for accumulating such hydraulic well control fluid and means (10, 14, 5) for using the pressure of hydraulic fluid...
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WO/2010/084002A2 |
The invention discloses a hydraulic machine assembly having at least one motor and at least one pump driven by the same. The motor and the pump each have a piston guided in a cylinder. The cylinders and the associated pistons can be move...
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WO/2010/076243A1 |
The present invention relates to a pump arrangement comprising two pump units, each pump unit comprising a pumping cylinder, a reciprocally movable pumping piston, said pumping piston delimiting a pumping chamber in the pumping cylinder ...
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WO/2010/071948A1 |
A multi-stage pump system for use in desalination systems including a first stage (S1) providing low pressure for priming the system a second stage (S2) that is in fluid communication with the first stage and is primed by the low pressur...
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WO/2010/069963A1 |
The invention relates to a motor-pump assembly (1), in particular for providing pressure for a brake actuating device of a motor vehicle brake system, having a pneumatic brake booster, in particular a vacuum brake booster, comprising a p...
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WO/2010/066069A1 |
A fluid power device (100) includes a pressure auxiliary (140) and a flow restricting generator (120) connecting with the pressure auxiliary (140). The flow restricting generator (120) includes: a fluid storage tank having a fluid inlet ...
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WO/2010/057889A1 |
In a common rail high pressure pump for diesel engines operated using aircraft fuel, said pump comprising an eccentric ring (2) that is disposed in a pump housing (13), is shaped in the form of a polygon and is driven by an eccentric sha...
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WO/2010/060121A1 |
An apparatus for pumping grease is located within a canister (reservoir) (1) and is mounted on the base (1b) thereof by means of mounting boss (3a & 3b) and to the side wall (1c) by means of bracket (12a &12b). Grease is drawn into the p...
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WO/2010/046953A1 |
A hydraulic pressure generation device (1) has hydraulic pressure generation means (2) for generating low hydraulic pressure, and also has hydraulic pressure generation means (30) for generating high hydraulic pressure. The hydraulic pre...
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WO/2010/046952A1 |
A hydraulic pressure generation device (30) has a body case (31), a pair of plunger pumps (50A, 50B) vertically mounted in the body case and respectively having discharge openings at the lower ends of the plunger pumps, a common drive sh...
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WO/2010/033589A2 |
A multi-stage reciprocating compressor includes a cylinder block and a cylinder head. The cylinder block defines a low stage cylinder and a high stage cylinder. The cylinder head is secured to the cylinder block overlying the low and hig...
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WO/2010/026614A1 |
A device for generating hydraulic pressure for unclamping a clamp mechanism for clamping a tool holder on the main spindle of a machine tool, which has increased accuracy of stopping of a cam member of a cam mechanism for driving the hyd...
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WO/2010/025729A1 |
The invention relates to an axial piston machine comprising a cylinder drum that has at least two cylinders, a piston (20) in each cylinder, said piston contacting a swashplate (23) at a sliding surface, a valve arrangement that comprise...
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WO/2010/028124A2 |
The present invention discloses operation of a system for injecting a predetermined amount of a secondary fluid into a primary fluid stream. The system uses a liquid additive injection pump driven by a fluid powered motor that is driven ...
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WO/2010/027586A1 |
A system, in certain embodiments, includes a barrier with magnetic coupling between opposite sides of the barrier. For example, the system may include a first member with a first magnet that translates along with the first member, and a ...
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WO/2009/155743A1 |
An air pressure differential type energy saving water pumping device, includes a water storage tank (1), an air pressure differential pump (2), a compressor air storage tank (3), a water tower (4) and a water pumping pipe (5); the air pr...
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WO/2009/148085A1 |
Provided are a pump device which is lightweight and portable and can use any bicycle or a motorcycle as the drive source for a filtering pump, and a water producing device using the pump device. A pump device (and a water producing devic...
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WO/2009/143751A1 |
A high-pressure oil-free small plunger pump includes a pump head (20) provided on a pump body (10), a motor shaft (11) with an end part is connected with an eccentric seat(11). An upper convex shaft on the eccentric seat(11) is fixedly m...
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WO/2009/137952A1 |
A continuous atomizing device includes: an atomizing unit (1), which has a suction pipe base (13) below it to connect with a container (10), a trigger (12) is provided under a nozzle (11); a restoring mechanism (14), which is provided on...
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