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WO/2011/113095A1 |
The present invention relates to a pump, motor and/or drive assembly and more particularly to such an embodiment which is able to provide an operatable continuously variable transmission which by virtue of its twin rotor arrangement can ...
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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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WO/2011/107307A2 |
The invention relates to an internal gear pump (1), in particular for a motor vehicle (4), for delivering a fluid, comprising an internal gear (5) having an internally toothed ring (6), an external gear (8) having an externally toothed r...
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WO/2011/106422A2 |
A compressor hub assembly may include a hub member, a valve retainer and a valve member. The hub member may include first and second portions. The first portion may define an annular hub wall for a compressor and may have a first inner d...
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WO/2011/104163A2 |
The invention relates to a controllable hydraulic oscillating slide machine (1) (pump or motor), comprising - an inner rotor (3) arranged in a housing (2) and having cylindrical recesses (4), - a bearing (6) formed in the housing (2), in...
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WO/2011/104891A1 |
A gear pump configured in such a manner that a pair of gears is driven and rotated to discharge operating oil, which is sucked from the suction port, from the discharge port. A gear pump comprising a pair of gears which is contained with...
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WO/2011/096918A1 |
A fluid-operated vane type rotary machine having a stator, a rotor installed in the stator, and a plurality of vanes slidingly installed in radial slots of the rotor. In order to reduce friction between the tips of the vanes and the inne...
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WO/2011/096260A1 |
An oil pump configured so that the level of noise generated by the oil pump is lower than or equal to a predetermined level. An oil pump (1) comprises: an eccentrically provided outer rotor (2); an inner rotor (3) having outer teeth (3a)...
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WO/2011/087457A1 |
An example fixed vane assembly includes a cylinder housing a roller and a rotatable member that rotates about a rotational axis to move the roller eccentrically relative to the cylinder. A vane is rigidly attached to the cylinder and is ...
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WO/2011/077230A2 |
A positive displacement pump (10) is provided. The pump (10) includes a housing (12), and first and second meshed rotors (54, 56) rotatably disposed in the housing (12) and arranged to transform relatively low-pressure inlet port air int...
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WO/2011/076172A2 |
The invention relates to a hydraulic control comprising a control plate assembly and a hydraulic transport device for transporting a hydraulic medium. The invention is characterised in that said hydraulic transport device is integrated i...
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WO/2011/077209A2 |
A geared hydraulic machine destined to function as a pump or a motor, comprising at least a module (1 ) comprising a body (10) in which two chambers are afforded, which two chambers intersect, and each of which contains a gear (12, 13) w...
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WO/2011/078850A1 |
Both a catalyst feed system and a method are provided for providing a flow, of a mud- like catalyst slurry into a polyolefin reactor. The system includes a pressurized reservoir of the catalyst having an outlet, and a progressive cavity ...
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WO/2011/073787A2 |
A pump assembly includes a housing having a chamber in communication with an inlet and an outlet. A rotating ring, variable displacement vane pump is received in the chamber. The pump, and particularly the rotating ring, is supported by ...
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WO/2011/073852A1 |
Core for casting moulds, comprising: a body (2) insertable inside a mould to form a cavity (6) for a product (4) obtained by means of casting inside said mould, said body (2) having an external surface (3) forming an imprint (7) of said ...
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WO/2011/074477A1 |
Disclosed is a gear pump wherein a driving rotor (2) driven by a drive source and a driven rotor (3) driven by the driving rotor are rotated while meshing with each other, to transfer working fluid. Only one of the driving rotor (2) and ...
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WO/2011/069713A2 |
An external gear pump (14) comprises two rotatable gear wheels (100, 102) that mesh with each other. According to the invention, at least one gear wheel (100) is mounted, in relation to the rotational axis (132) thereof, in the radial di...
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WO/2011/069708A1 |
The invention relates to a pump arrangement (1), which is used in particular for fuel injection systems of air-compressing, auto-igniting internal combustion engines, comprising a high pressure pump (2), which has a high pressure pump sh...
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WO/2011/069754A2 |
The invention relates to an eccentric screw pump for conveying high-viscosity materials, in particular liquid mortar. The eccentric screw pump according to the invention comprises a stator (12) made of an elastomer and having a pump holl...
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WO/2011/063654A1 |
A vane pump comprises a stator (1) formed with an arc-shaped suction port (5) and an arc-shaped discharge port (7), a rotor (2) accommodated in the stator (1), a plurality of vane slots formed in the rotor (2), and a plurality of vanes (...
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WO/2011/063870A2 |
The invention relates to a screw pump, comprising a pump housing, on which a flange section for installing the pump is formed, and an integrated pressure limiting valve. According to the invention, the pressure limiting valve in the flan...
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WO/2011/062063A1 |
Disclosed is a helical gear pump provided with a second helical gear coaxially provided with a drive helical gear, a third helical gear which meshes with the second helical gear and which is provided on a third shaft different from the s...
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WO/2011/058908A1 |
In order to improve the pump performance relating to discharge pulsation by increasing the number of teeth on a rotor while maintaining the theoretical discharge quantity using an equivalent configuration, a pump rotor (1) in which an in...
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WO/2011/054085A1 |
A high efficiency fluid pumping apparatus and methods having of an electronic motor controller controlling at least one electric motor that is directly coupled to the input of a hollow helical mechanism. The output of the hollow helical ...
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WO/2011/056304A2 |
The present invention provides a pump system comprising a bearing housing coupled to a pump liner, the pump liner defining a fluid conduit, the pump liner comprising a fluid inlet and a fluid outlet; and at least one rotor having a first...
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WO/2011/045179A2 |
A screw spindle machine having a tubular casing (10) that is made of cast metal and is lined with a wear resistant layer (16), characterised in that the wear resistant layer (16) is encapsulated in a steel shell (20) that matches the out...
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WO/2011/046591A1 |
An internal combustion engine (1 1) drivably connected to a variable displacement and variable internal compression ratio supercharger (18) that supplies varying amounts of air to the engine air intake manifold (12) that can range select...
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WO/2011/042105A2 |
The invention relates to a vane pump, comprising an upper vane pump, which is associated with a first load, and a lower vane pump, which has a lower vane pressure area and a lower vane suction area, which is connected to the upper vane p...
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WO/2011/039128A2 |
The invention relates to an internal gear pump (2, 2') for a slip-regulated hydraulic vehicle braking system, comprising one pressure piece (8, 9, 9') on either side of the gear wheels (3, 4, 3', 4') of said pump. According to the invent...
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WO/2011/037561A1 |
A stator/rotor assembly includes at least one extruded preform bonded to a stator housing and/or a rotor mandrel. A method of constructing a stator/rotor assembly includes extruding at least one preform, and bonding the preform to a stat...
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WO/2011/036959A1 |
A drive device configured in such a manner that members for defining and forming a pump chamber can be joined to each other while requiring a low degree of liquid-tightness. A drive device is provided with a pump cover which is, while be...
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WO/2011/032766A2 |
Disclosed is a gear pump (10) comprising two rotating pump elements and a first housing piece (12) that includes a cavity (13) for accommodating the pump elements and a radial boundary wall (20) which lies radially outside at least one p...
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WO/2011/033426A2 |
The enclosed positive displacement mechanism (10; 110; 210; 310) for fluid machines comprises: a body (12, 312) defining a cylindrical cavity (20) with an inlet (22; 122) and an outlet (24; 124); a rotor (14, 314) mounted in said body (1...
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WO/2011/029847A2 |
The invention relates to a rotary piston pump for delivering a fluid medium comprising a solid, having two rotary pistons with rotary piston vanes engaging with each other, each having a rotary axis and an outer circumference, wherein th...
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WO/2011/031766A2 |
A scroll compressor having a first compressor body with a first base, a first rib that projects from the first base, and a discharge port. A second compressor body has a second base and a second rib projecting from the second base. The f...
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WO/2011/030849A1 |
An electric pump unit which is compact and is reduced in weight and cost. An electric pump unit is provided with a pump chamber (9) which has an oil suction opening (18) and an oil discharge opening (19) and is formed within a motor stat...
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WO/2011/028113A2 |
The invention relates to a fluid pump with a rotation- symmetrical pump housing, a rotatably drivable shaft extending coaxially thereto, at least three blades extending radially from the shaft, at least one supply opening arranged in a p...
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WO/2011/026453A2 |
The invention relates to a vane cell pump comprising a pump housing in which a displacement group and a pressure plate are arranged such that said displacement group rests on the displacement side of the pressure plate, the suction port ...
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WO/2011/028639A1 |
A pump/motor includes a stator (10) having an interior profile surface and a rotor having an exterior profile surface. The stator tube is formed from the sheet metal spiral round to generate an interior profile, with an adjacent edge of ...
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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/2011/022557A2 |
Embodiments of the invention provide a pump assembly and a method for assembly the pump assembly. The pump assembly includes a stator assembly, a lower pump housing, an upper pump housing, a rotor assembly, and an isolation cup. The meth...
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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/2011/015123A1 |
A metering pump with a special-shaped cavity comprises a shell (1), a rotor and two cover plates (12, 22). The shell is a column with a special-shaped inner cavity, an inlet (2) and an outlet (3). The special-shaped inner cavity is forme...
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WO/2011/015125A1 |
A prime motor with a special-shaped cavity includes a shell (1), an upper cover plate (10) and a lower cover plate (11), wherein the shell (1) is provided with a special-shaped surface inner cavity, an inlet (2) and an outlet (3), and th...
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WO/2011/015717A2 |
The invention relates to a device consisting of a stationary casing (50) and a rotor (C) having an axis (M) supporting two crankshafts (6) and (7) having oblique central portion and which actuate two connecting rods (20) and (80), the la...
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WO/2011/016938A2 |
A scroll compressor is more economically constructed and operated. The scroll compressor includes an orbiting scroll member, a non-orbiting scroll member, and a single phase electric motor, the single phase electric motor further include...
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WO/2011/015122A1 |
A conversion device of mechanical motion and fluid motion includes a base (1), a stator (2), a rotor (3), a clapboard (4), a crankcase and two end covers (5), wherein the interior cavity of the stator (2) is a cylindrical cavity; the sta...
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WO/2011/012024A1 |
A vane pump (3) for a fuel injecting pump device (1) comprises a vane pump housing (63) in which an inlet (77) and an outlet (89) of the vane pump (3) are formed, a stator (65) in which a cylindrical cavity is formed, a rotor (69) which ...
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WO/2011/012362A2 |
The invention relates to a gear pump (1) for conveying a fluid, said gear pump comprising a rotatably mounted, external geared toothed wheel (3) and an internal geared annular gear (2) that are meshed in order to generate a conveying act...
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WO/2011/012350A2 |
The invention relates to an internal gear pump (1) comprising an integrated electric motor (2), especially for a motor vehicle, for conveying a fluid, said gear pump comprising an internal toothed wheel (5) comprising an internal annular...
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