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WO/2016/057321A1 |
A linear actuator system includes a linear actuator and at least one proportional control valve and at least one pump connected to the linear actuator to provide fluid to operate the linear actuator. The at least one pump includes at lea...
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WO/2016/014715A1 |
A pump includes a casing defining an interior volume. The pump casing includes at least one balancing plate that can be part of a wall of the pump casing with each balancing plate including a protruding portion having two recesses. Each ...
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WO/2016/008465A1 |
The application relates to a hydraulic motor for driving auxiliary units. The aim of the application is to develop a hydraulic motor for driving auxiliary units that operates very effectively both at low operating pressures present at th...
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WO/2015/183600A1 |
In at least one aspect, this disclosure relates to a wellsite pump for a wellsite having a wellbore penetrating a subterranean formation. The wellsite has a conduit to pass a wellsite fluid about the wellsite. The wellsite pump includes ...
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WO/2015/148662A1 |
A pump having a fluid driver disposed within the interior volume of the pump and to a method of delivering fluid from an inlet of the pump to an outlet of the pump using the fluid driver. The fluid driver includes a variable-speed and/or...
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WO/2015/139688A1 |
The invention relates to a suction system (1) for generating a suction flow (7) within a suction flow line (3) through which material (6) is pneumatically transported, comprising a separator (3.1) which is connected to the suction flow l...
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WO/2015/141466A1 |
A pump device comprising: a main pump (101) which supplies a working fluid through a first discharge passage (32) to a fluid pressure apparatus (21); a subpump (102) which supplies the working fluid through a second discharge passage (33...
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WO/2015/131196A1 |
A pump having at least two fluid drivers and a method of delivering fluid from an inlet of the pump to an outlet of the pump using the at least two fluid drivers. Each of the fluid drives includes a prime mover and a fluid displacement m...
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WO/2015/052266A1 |
The subject matter of the invention is a pump 1 with a housing 2, in which an electric motor 3 and at least one pump stage 4 that can be driven by a shaft of the electric motor 3 are arranged, an inlet 5 and an outlet 6 located on opposi...
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WO/2015/046560A1 |
In order to provide a hydraulic pressure supply device capable of making the overall device more compact by sharing oil path-forming members and forming compact oil paths, by using a mechanical oil pump and an electric oil pump, this hyd...
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WO/2015/046579A1 |
In order to provide an oil path-forming member for an oil pump, that is capable of making a device more compact overall, by sharing oil path-forming members and forming compact oil paths, by using a mechanical oil pump and an electric oi...
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WO/2015/025140A1 |
Distributor apparatus (10) for distributing a plurality of portions or streams of a flowable material comprising an enclosure (16) which locates interengaging rotors (48, 50). An inlet port (66) is provided in an upper part of the enclos...
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WO/2015/002577A1 |
The present disclosure relates to a liquid distribution system (18) for a hub (12). The liquid distribution system (18) comprises a liquid supply portion (20) arranged to supply liquid to at least one component (22) located within the hu...
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WO/2014/207472A2 |
High pressure injection apparatus (2) for addition of a liquid formulation into a melt stream comprises a first pump which is arranged to accurately meter the liquid formulation (including highly loaded formulations comprising solids com...
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WO/2014/161700A1 |
The invention relates to a disposable metering pump made of plastic for products having solid fractions. Said disposable metering pump has two rotors (10) which are coupled to each other by means of gears (11), can be driven in opposite ...
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WO/2014/147588A1 |
A tandem pump with a pump housing that includes a first pump portion with a first pump inlet and first pump outlet. The pump housing further includes a second pump portion having a second pump inlet and a second pump outlet. Within the p...
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WO/2014/143468A1 |
Toothed gears and lobed gears intermesh to create large volume pockets in gear sets of a given size. The pockets are larger than the pockets that exist in current tooth or lobe pumps and provide the benefit of a pump that better handles ...
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WO/2014/135202A1 |
The invention relates to an electric motor vehicle vacuum pump arrangement (10) with a composite (18) of a rotary pump assembly (40) and a coaxial drive engine (20), which has a rotor chamber (36) with an engine rotor (22) and a stator c...
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WO/2014/121862A1 |
According to a first aspect of the invention, the present invention relates to a positive-displacement pump (1) with a variable delivery volume, in particular a single-stroke vane cell pump for a power steering system of a motor vehicle,...
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WO/2014/093474A1 |
This disclosure relates to various types of pumps that are magnetically driven in which a rotary element is connected to a driven magnet housed in a magnet housing in which the magnet is wetted by the fluid pumped by the pump. In one rep...
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WO/2014/082953A2 |
The invention relates to a pump unit (10), particularly for motor vehicles, with a first pump (12) having a fluid inlet (14) and a fluid outlet (16), a second pump (18) having a fluid inlet (20) and a fluid outlet (22), and a drive shaft...
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WO/2014/067545A1 |
The invention refers to an automotive electric liquid pump (10) with a pump housing (12) and a rotor (13) defining the longitudinal rotor axis (17). The automotive pump (10) comprises • an electric motor (20) including stator coils (22...
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WO/2014/060136A1 |
The invention relates to an internal gear pump (1) as a hydraulic pump for a slip-controlled vehicle braking system. According to the invention, the internal gear pump (1) is designed as an assembly, which can be pre-assembled, having a ...
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WO/2014/057649A2 |
A dual outlet pressure pump comprising a first pump entity (10) and a second pump entity (20), whereby a dual pump housing (17) comprises a first pump rotor cavity (36) and a second pump rotor cavity (39) separated by a diaphragm (37) wi...
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WO/2013/172409A1 |
A conventional multistage oil pump is formed entirely of iron-based materials, so there is a problem in that the weight of the pump is large. In this multistage oil pump (1), rotors (6, 7) are connected in series. A rotor case (4) is for...
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WO/2013/172410A1 |
Conventional oil pumps cannot be used when the pressure and the temperature are high. In this oil pump (1), two rotors (6, 7) are connected in series in the direction of the axis of rotation. The rotors (6, 7) are housed separately with ...
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WO/2013/162427A1 |
The invention relates to the field of mechanical engineering and, more particularly, to multi-stage vane-type positive displacement pumps which can be used for lifting fluid from oil wells. The pump consists of stages disposed on a commo...
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WO/2013/107648A1 |
For a hydraulic device for supplying at least one load (30) with hydraulic medium on an injection molding machine for processing plastics, a temperature-control device for the temperature control of the hydraulic medium by means of a tem...
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WO/2013/083808A1 |
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/2013/037535A1 |
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/2013/037534A1 |
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/2013/025518A1 |
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/2013/015150A1 |
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/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/2012/164199A2 |
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/2012/140018A1 |
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/2012/103921A1 |
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/2012/103925A1 |
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/2012/067175A1 |
[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/2012/045164A1 |
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/2011/158167A2 |
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/2011/140793A1 |
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/2011/119464A2 |
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/2011/095148A2 |
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/2011/045171A2 |
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/2010/098690A1 |
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/2010/096924A1 |
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/2010/092320A1 |
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/2010/071497A1 |
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/2010/062774A2 |
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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