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WO/2013/105996A1 |
A fluid pump having a pump motor, pump housing, and pump seal enclosure. The pump housing includes an internal pumping chamber, a suction orifice in flow communication with the pumping chamber, a discharge orifice in flow communication w...
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WO/2013/099505A1 |
Provided is a low cost electric oil pump which is configured without requiring the electric motor to have an oil-proof structure and from which an oil seal and an O-ring can be eliminated. An electric oil pump is provided with an electri...
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WO/2013/089203A1 |
[Technical Problem] Provided is an oil pump rotor that can embody the improvement of noiseless properties and volume effects. [Technical Solution] When a base circle (bi) of an inner rotor has a diameter (φbi), a first external rolling ...
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WO/2013/077400A1 |
This pump is configured in such a manner that a through-hole is formed in a housing having an oil passage formed therein, and a pump unit is attached to the through-hole.
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WO/2013/077398A1 |
A hollow seal member, which makes contact via an elastic body within a shaft hole formed in a housing and makes sliding contact with the outer circumference of a drive shaft, thereby sealing against the leakage of liquid from a pump cham...
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WO/2013/077399A1 |
This discharge valve structure comprises: a valve body; a sheet member provided with a sheet surface on which said valve body is seated, and a sheet hole through which a fluid flows; an elastic body that impels the valve body to the shee...
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WO/2013/071996A1 |
The invention relates to a pressure-encapsulated pump housing (10) that comprises a separating can (12) for sealing off said pump housing (10) on an end-face. This pump housing (10) is designed to receive a pump shaft (30), and the can (...
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WO/2013/069144A1 |
Provided is an internal-gear-type oil pump for a vehicle, the oil pump being provided with a driven gear in which the self-aligning effect of the driven gear can be obtained while preventing the fluid friction acting on the driven gear f...
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WO/2013/058223A1 |
This internal gear pump is composed of an inner rotor with n teeth, and an outer rotor with n + 1 teeth. The tooth profile of the inner rotor delineates a trochoidal curve (T) according to the locus of fixed points separated only e from ...
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WO/2013/053062A1 |
A pump comprises a housing having an inner contour wall defining a fluid chamber. A rotor mechanism is positioned within the fluid chamber and comprises a belt and a rotatable rotor assembly. The belt is mounted to the rotor assembly. A ...
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WO/2013/054263A2 |
A rotary vacuum pump, for instance a vane pump, has at least one circumferential groove (6) between facing side surfaces of the rotor (2) and of the rotor guide (3) for receiving a lubricating and sealing fluid. The circumferential groov...
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WO/2013/050491A1 |
A pump comprises a housing (10) and a rotor (11) that rotates in the housing. The housing (10) has a fluid inlet (14) and a fluid outlet (15). The rotor (11) includes two shaped surface (21, 22; 50a, 50b, 50c) radially inwardly of the ho...
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WO/2013/051448A1 |
Provided is a vane pump configured so that fluid pressure occurring on the side on which the vane ring of the rotor is provided and fluid pressure occurring on the side opposite said side are equal. A vane pump has: a rotor; slits which ...
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WO/2013/041777A1 |
The invention relates to a machine for continuously compressing liquid or gaseous fluids, without lubrication, using a semi-spherical circular wheel which supports vanes and is guided in a semi-spherical circular chamber that is eccentri...
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WO/2013/037535A1 |
The invention relates to a gear pump for conveying a fluid medium, more particularly for conveying fuel in a fuel injection system, which has a pump unit and a drive unit arranged together in one housing unit, wherein the drive unit comp...
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WO/2013/037540A1 |
The invention relates to a pump, in particular an oil pump (1) for an internal combustion engine, comprising a pump housing (3) designed to receive a pump device comprising a pump shaft (5), an electric motor (2) being connected to the p...
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WO/2013/037534A1 |
Disclosed is a pump (5) that has an electric motor (4) and is used to deliver a fluid, in particular in a motor vehicle. Said pump comprises at least one impeller (18) that has delivering elements (19) and can rotate about an axis of rot...
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WO/2013/039770A1 |
A gerotor pump assembly includes a gerotor pump (26) and a relief valve assembly (60). The relief valve assembly (60) includes a relief valve inlet (82) in fluid communication with a compression portion (44) of the pump housing (38), a r...
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WO/2013/015150A1 |
Provided is an oil pressure circuit for transmissions that is designed to limit malfunctions and reduction in oil pressure in the oil pressure circuit and to stabilize oil pressure in the oil pressure circuit while limiting the complexit...
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WO/2013/013883A2 |
The invention proposes a gearbox pump (1), in particular a gearbox oil pump of an automatic gearbox of a motor vehicle, which comprises a pump housing (2) and a pump cover (3) or oil-guiding flange and in the case of which, for a gear pu...
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WO/2013/007233A1 |
The invention relates to a gear ring pump, in particular for use in small pump assemblies which are preferably driven by an electric motor, which are produced as pump kits, and which are used in vehicle and engine construction. The aim o...
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WO/2012/173488A1 |
Screw type liquid ring pump (1 ) with an integrated grinder or macerator (2), including a pump housing (3) with an inlet (5) and an outlet (7) and an, inside the housing, rotating helical screw rotor (4), which rotor at one end, the inle...
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WO/2012/164381A1 |
An arrangement for a twin-screw pump (1) is disclosed, the pump comprising a pair of rotors (2, 3) having opposite pairs of intermeshing helical gears which are journalled and driven in rotation in a pump chamber defined by a rotor liner...
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WO/2012/140018A1 |
The present invention relates to a manifold system (26) for a pressure boosting system (2). The manifold system (26) comprises a manifold (30, 28) having a manifold space (58) configured to receive a fluid; a main connection pipe (46, 48...
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WO/2012/122972A1 |
The invention discloses a joint (10) for transmitting torques and axial forces in conjunction with an eccentric rotational movement. In a preferred embodiment, the joint according to the invention is used in an eccentric screw pump for c...
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WO/2012/103923A1 |
The invention relates to an internal gear pump (1) for a slip-controlled hydraulic vehicle braking system. The invention also relates to a filler piece (9) (sickle) with an inner part (20) extending in a curved manner in the peripheral d...
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WO/2012/103925A1 |
The invention relates to a double internal gear wheel pump (1) comprising two internal gear wheel pumps (2, 2') embodied as hydraulic pumps of a hydraulic, slip-controlled vehicle braking system. According to the invention, a partition w...
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WO/2012/101588A2 |
A pumping assembly for feeding oil under pressure to a user is defined by a gear pump (2), which is actuated by an electric motor (3), and has a pair of gears (4), which are coupled to each other within a pump body (9), and are each prov...
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WO/2012/094771A1 |
The invention concerns the sector of water closets 51 comprising a bidet device. The invention relates inter alia to an overhung rotary vane pump 11 for the water closet 51 having a bidet device, to the use of the rotary vane pump in a w...
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WO/2012/079144A1 |
A device has a ring having a tubular interior surface including one or more portions which each define a ridge. On opposite circumferential sides of each ridge are first and second ports. A rotor including a rotor body is mounted for rot...
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WO/2012/077458A1 |
A compact oil supply device has a configuration in which a valve element is provided with a first land and a second land which each protrude in the radial direction of the valve element with the axis center of the valve element as the ce...
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WO/2012/071667A1 |
A hydrocarbon production rotary pump having a stator and a rotor driven to rotate therein by a submersible pump driver is supported so as to be suspended from a wellhead by a support member including production tubing and at least one co...
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WO/2012/067175A1 |
[Problem] To provide an oil pump device wherein easy installation of an electric pump is possible. [Solution] An oil pump wherein a mechanical pump (20), with an inner gear (21) driven by an engine and an outer gear (23) that meshes with...
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WO/2012/055036A1 |
In a rotary pump having a rotor and a stator in communication with hydrocarbon production tubing, a submersible pump driver assembly includes a drive motor having an output connected by a drive link to the rotor of the pump. A production...
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WO/2012/053588A1 |
This vane pump comprises: vanes which are slidably inserted in slits formed radially in the outer periphery of the rotor and which have tips capable of being in sliding contact with the cum surface of the cam ring; back pressure chambers...
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WO/2012/052151A1 |
The invention provides a device for an extracorporeal treatment of a bodily fluid comprising a filter means arranged in a filter circuit (50) for exchanging solute substances between the fluid and a liquid and at least one degassing mean...
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WO/2012/046417A1 |
[Problem] To provide a drive device that can suppress the incidence of abraded particles and that increases drive precision of a mobile member for generating motive power. [Solution] In the fluid machinery (100) relating to this embodime...
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WO/2012/030431A1 |
A subsea system includes a multiphase pump, configured to transfer a multiphase fluid and a multiphase separator, configured to separate the multiphase fluid into solid, liquid, and gaseous phases. The multiphase separator includes a sol...
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WO/2012/021992A1 |
A variable displacement oil pump comprising a pump body, which oil pump is driven by a driven input shaft, a slide having an internal surface, the slide disposed in the pump body, the slide pivotally moveable by pressurization of a first...
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WO/2011/158104A1 |
An oil pump includes a first spill passage formed on a side surface (60) of a pump chamber (58) to communicate a hydraulic pressure chamber (54) with a first high pressure discharge passage (68) when the entire hydraulic pressure chamber...
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WO/2011/155311A1 |
Disclosed is a buffering member which is capable of easily linking an output shaft and a passive shaft so as not to cause misalignment or looseness of the shaft centers, and which is capable of suppressing outside forces working directly...
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WO/2011/147457A1 |
The present invention refers to a variable displacement lubricant pump (10) for providing pressurized lubricant for an interna! combustion engine. The mechanical pump (10) comprises a pump rotor (20) with radially siidable vanes (22) rot...
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WO/2011/145717A1 |
Provided is a rotation device provided with a seal structure which can prevent an annular rubber member from wearing or peeling without requiring a rotation stopping structure. A seal member (120) is configured so that an annular rubber ...
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WO/2011/138083A1 |
The invention relates to a pump assembly (1) for a high-pressure injection system, in particular for a motor vehicle, comprising an electric presupply pump (3) having an electric motor and a pump, and a high-pressure pump (7), wherein th...
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WO/2011/137510A1 |
A tagging device assembly for use in positioning a rotor within a stator of a progressing cavity pump. The tagging device assembly includes a tagging member associated with the rotor, a tagging receptacle associated with the stator for r...
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WO/2011/131498A1 |
The present invention relates to a braking device comprising - a casing mounted in relative rotation with respect to a shaft, - first braking means secured to the brake casing, - second braking means secured to the shaft and designed to ...
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WO/2011/128165A2 |
The invention relates to an electric delivery pump for delivering a fluid medium, in particular for delivering fuel in a fuel injection system. Said delivery pump comprises a pump unit and a drive unit which has a motor provided with a p...
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WO/2011/129642A2 |
A test for operation over an extended period was performed on a high-power swing pump in which an independent seal device was employed, and a swing vane pump of a high-efficiency, pendulum-type wave power generating system was applied to...
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WO/2011/121045A2 |
The present invention refers to a variable displacement lubricant pump (10) for an internal combustion engine. The variable displacement lubricant pump (10) is provided with a housing (12) and a shiftable and basically circular control r...
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WO/2011/110475A2 |
In order to improve a screw-type compressor, comprising a housing, at least one screw rotor which is arranged in a compressor housing of the housing, a lubricant sump which is arranged on the high-pressure side and in which lubricant is ...
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