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WO/2013/083808 |
The invention relates to a pump. The pump has a pump housing comprising a first and second housing part (1, 2). The first housing part (1) has a first fluid port (10) and a first face side (8). The second housing part (2) has a second fl...
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WO/2013/037535 |
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/2013/037534 |
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/2013/025518 |
An enhanced efficiency pumping apparatus, and general method of use, includes a counter-rotating motor with two oppositely rotating drive shafts with a first pump secured to the one of the drive shafts and a second pump secured to the ot...
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WO/2013/020869 |
The invention proceeds from a rotary piston machine operating as a pump, a compressor or a motor, with a first rotor (4), a second rotor (6) and an intermediate rotor (8), the intermediate rotor (8) being arranged between the first rotor...
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WO/2013/015150 |
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/2012/164199 |
The invention relates to a hydraulic transmission device (40) for a machine, comprising: a disconnectable radial piston (58) hydraulic motor (42) including a cam (46B) solidly connected to a casing (46), a cylinder block (48) and an inte...
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WO/2012/164199 |
The invention relates to a hydraulic transmission device (40) for a machine, comprising: a disconnectable radial piston (58) hydraulic motor (42) including a cam (46B) solidly connected to a casing (46), a cylinder block (48) and an inte...
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WO/2012/164381 |
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/2012/140018 |
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/2012/103925 |
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/2012/103921 |
The invention relates to a method for circuit separation testing in a double gearwheel pump (1) having two gearwheel pumps (2, 2') which have a common pump shaft (3) and which are provided preferably as hydraulic pumps of a hydraulic veh...
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WO/2012/067175 |
[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/2012/045164 |
A dual outlet pressure pump includes a housing having first and second inlets as well as first and second outlets. A plurality of vanes are driven by a rotor. An asymmetric rotor cavity includes a first surface engaged by the vanes shape...
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WO/2012/038199 |
The invention relates to a pump (5) comprising an electric motor (4), especially for a motor vehicle, for circulating a fluid, said pump comprising an impeller wheel (18) that has conveying elements (19) and is used to carry out a rotati...
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WO/2012/022784 |
The invention relates to a rotary piston pump (100) for conveying a fluid medium which contains solid matter, comprising an inlet opening (111) and an outlet opening (112) for the medium to be conveyed, having two rotary pistons (121, 12...
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WO/2012/007395 |
The invention relates to a pump unit (2) comprising an electric motor and at least one feed pump for conveying hydraulic liquid. The electric motor comprises a drive shaft (12). The at least one feed pump comprises a pump rotor (22) that...
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WO/2011/158167 |
An internal gear fluidic machine (1), in particular a pump for the lubrication circuit of a motor vehicle engine, comprises a member (13) for regulating the flow rate depending on the fluid pressure conditions in a fluidic circuit in whi...
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WO/2011/158167 |
An internal gear fluidic machine (1), in particular a pump for the lubrication circuit of a motor vehicle engine, comprises a member (13) for regulating the flow rate depending on the fluid pressure conditions in a fluidic circuit in whi...
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WO/2011/149842 |
In accordance with certain aspects of the invention, a pump system is provided. The pump system includes a pump casing having a process fluid inlet chamber connected to a process fluid inlet through the pump casing, and a process fluid o...
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WO/2011/146099 |
A metering pump or segment (100), and a metering pump assembly comprising a plurality of the metering pumps or segments (100), are disclosed. The drive shaft assembly (336) for driving the pump gears (112,114) of each metering pump or se...
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WO/2011/140793 |
A multistage pneumatic motor includes a shell (1) and a power-output main shaft (2). The shell (1) is provided with a gas inlet (3) and a gas outlet (4). Two or more pneumatic motor stages (11, 12, 13) are installed in the shell (1). The...
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WO/2011/138601 |
Embodiments of the invention provide a rotary engine, the rotary engine comprising: a housing defining a working chamber of the engine; a rotor arranged to rotate within the working chamber, the rotor having a radially inner portion and ...
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WO/2011/138602 |
Embodiments of the invention provide a rotary engine, the rotary engine comprising: a housing; a rotor, the rotor being provided with a rotor phasing gear; an eccentric shaft having an eccentric portion, the rotor being coupled to the ec...
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WO/2011/128165 |
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/2011/119464 |
An infusion pump (110) includes a housing (112); a rotor (230) inserted into the housing, the rotor including a first ring (38a) of surfaces (236a) that form channels with the housing, and a second ring (38b) of surfaces (236b) that form...
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WO/2011/119464 |
An infusion pump includes a housing; a rotor inserted into the housing, the rotor including a first ring of surfaces that form channels with the housing, and a second ring of surfaces that form channels with the housing, the second chann...
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WO/2011/119464 |
An infusion pump (110) includes a housing (112); a rotor (230) inserted into the housing, the rotor including a first ring (38a) of surfaces (236a) that form channels with the housing, and a second ring (38b) of surfaces (236b) that form...
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WO/2011/107307 |
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/2011/095148 |
The invention relates to a tandem pump for a motor vehicle, comprising a first pump and a second pump, which can be driven individually or together by an electric motor. A switchable coupling is arranged between the two pumps, by means o...
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WO/2011/095148 |
The invention relates to a tandem pump for a motor vehicle, comprising a first pump and a second pump, which are or can be driven individually or together by an electric motor. The invention is characterized in that a switchable coupling...
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WO/2011/076172 |
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/2011/073787 |
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/2011/045171 |
The invention relates to a double internal gear pump (1) having two internal gear pumps (2, 2') having a common pump shaft (3). According to the invention, a partition (10) is formed between the two internal gear pumps (2, 2') having a f...
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WO/2011/045171 |
The invention relates to a double internal gear pump (1) having two internal gear pumps (2, 2') having a common pump shaft (3). According to the invention, a partition (10) is formed between the two internal gear pumps (2, 2') having a f...
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WO/2011/039128 |
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/2011/035971 |
The invention relates to a pump (1) having an electrical motor (2), in particular for a motor vehicle, for delivering a fluid, comprising an impeller (5) having delivery elements (7), by which impeller a rotational movement can be perfor...
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WO/2011/012362 |
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/2011/012364 |
This invention relates to a gear pump (1) for delivering a fluid, comprising an externally toothed gearwheel (3) rotatably mounted on a journal (4), and an internally toothed annular gear (2), said gearwheel and gear meshing so as to pro...
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WO/2010/126651 |
A pump system includes inlet chambers, an outlet chamber, and rotors disposed inside the inlet chambers and the outlet chamber to pump a process fluid from the inlet chambers to the outlet chamber and to direct the process fluid to a sep...
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WO/2010/119336 |
A multistage gear pump assembly (120) includes first and second gear pumps (140a, 140b) that use common shafts and are axially separated by a spacer plate (170) secured within a common bore (130) and secured to the housing (122). Pressur...
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WO/2010/115695 |
The invention relates to a combined oil delivery and vacuum pump (10) comprising a pump case (12), a rotor (34) which is rotatably mounted in the pump case (12), and a vane (50, 52) which is displaceably mounted in the rotor (34) and the...
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WO/2010/112108 |
The invention relates to a screw spindle pump arrangement having a low-pressure connection, a high-pressure connection, a drive spindle, and at least one idling spindle. A feed section of the idling spindles can be divided into two feedi...
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WO/2010/096924 |
An electric vane pump includes a first cover plate having a substantially planar first pump surface and a second cover plate coupled to the first cover plate defining a substantially planar second pump surface spaced apart from and exten...
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WO/2010/098690 |
This technical proposal pertains to oil and gas industry, namely, to screw pumps driving the tubing string from the wellhead, hence it can be used for lifting fluid from the wells. Oil-well screw pump driven from the wellhead 1 (designed...
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WO/2010/092320 |
A multistage pump (4) comprises: • a plurality of components (50, 60, 70, 80, 90, 100, 110) comprising a plurality of pre-assembled pump modules (70, 90, 110) including at least one twin screw pump module (1, 2); characterised in that ...
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WO/2010/071497 |
The invention relates to a truck fuel pump arrangement (10) particularly designed for a commercial vehicle fuel pump (30), the arrangement comprising a fuel pump (30) providing a through shaft (22) extending through the fuel pump (30) wh...
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WO/2010/063999 |
A turbine (100) for use in a downhole drill string including an elongated casing defining an interior and a plurality of motor units (104) in the interior. Each motor unit has a rotor (114) and a stator (112). A torque transmission coupl...
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WO/2010/062774 |
A supercharger system is disclosed herein having a front end, a rear end, an inlet and an outlet, the system contained within a housing, wherein the supercharger system includes a rotor assembly, and a plurality of intake runners that co...
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WO/2010/051640 |
A submersible electric pump includes a housing adapted to be submerged within a fluid to be pumped having apertures extending therethrough. An electric motor stator is positioned within the housing in communication with the apertures and...
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