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Patent Searching and Data


Matches 601 - 650 out of 8,343

Document Document Title
WO/2010/084537A1
A cover-equipped stator for a uniaxial eccentric screw pump is configured such that a condensate liquid accumulated between the outer surface of a stator and the inner surface of the cover when a high-temperature fluid is caused to flow ...  
WO/2009/127831A3
A stator (5) for use with a drill rotor (3), the stator (5) formed at least in part by a ceramic and/or cermet reinforced alloy material.  
WO/2010/078892A2
The invention relates to a pump (1) for delivering a fluid, particularly a metering pump (1) for metering a coating agent in a coating system, having a pump inlet for feeding in the fluid, a pump outlet for discharging the fluid, and a r...  
WO/2010/070211A1
The invention relates to a device (1) for pressurising a fluid to be combined with a rotary power takeoff of a vehicle including a casing and at least one multiplication stage (4), said device comprising a frame (5) bearing at least one ...  
WO/2010/012607A3
The invention relates to an oil pump of an automatic motor vehicle transmission, which oil pump is arranged, in an off-axis design, axially parallel to a central input shaft of the transmission, and the primary rotor of which oil pump is...  
WO/2010/058234A1
A pump wherein at least a first engaging surface is formed on the housing adjacent to the pumping chamber. At least a second engaging surface formed on the pumping mechanism that frictionally engages the first engaging surface during mov...  
WO/2010/057838A2
The invention relates to a fuel pump, especially the prefeed pump for feeding aircraft fuel to the high pressure pump, wherein the form-fit connection between the drive shaft (4) and the driven impeller (2) is produced by a regular, conv...  
WO/2010/051640A1
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...  
WO/2010/045906A2
The invention relates to a pump, particularly a vane-type pump, comprising a rotor guiding at least one vane and resting against at least one pressure plate, which has at least one pressure through-hole and at least one under-vane throug...  
WO/2010/044416A1
An electric pump unit reduced in size, weight, and cost. An electric pump unit is provided with a motor rotor (20) extending outward radially from one end of a pump drive motor shaft (16) which is supported in a unit housing (1) by a be...  
WO/2010/040919A1
The invention relates to a rotary machine with a deformable rhomb, comprising a rotor (3) consisting of a deformable rhomb (4) contacting, with or without any clearance, the inner surface of a housing (1) and/or the outer surface of a ce...  
WO/2010/034491A2
The invention relates to a device for branching a fluidic partial flow off a main flow by means of a hydraulic pump (10), said device comprising individual main chambers (12,14,16,18,20) which are sealed from each other and divided into ...  
WO/2009/135587A3
The invention relates to a pump (1), especially a vane-cell pump with a variable conveyor volume, said pump comprising a pump housing (3) and a lift ring (17) which is arranged in the pump housing and surrounds a rotor interacting with a...  
WO/2009/156264A3
The present invention relates to a gear pump, for example a paint pump. The sealing of the drive shaft which is guided outward of the pump housing is carried out by a sealing means which is acted upon by a pressure medium. Said pressure ...  
WO/2010/019337A1
A pump rotor (40) for a screw pump, comprising a shaft (42), a thread (44) on the shaft, the thread comprising a groove (48) disposed on an outer surface thereof, and a seal (50) disposed in the groove. The seal and the groove are config...  
WO/2010/007864A1
A vane pump reduced in size in the direction of the rotation axis of the pump. A vane pump (1) provided with a rotating section (4) having formed therein radial slits (7) for receiving vanes (8) such that the vanes (8) can project from ...  
WO/2009/156264A2
The present invention relates to a gear pump, for example a paint pump. The sealing of the drive shaft which is guided outward of the pump housing is carried out by a sealing means which is acted upon by a pressure medium. Said pressure ...  
WO/2009/140753A1
In a traditional vane pump a rotor is supported on a shaft which is in turn supported by a pair of bearings on opposing walls of a housing. Any misalignment in the bearings can cause premature wear and a loss of efficiency in the pump. P...  
WO/2009/135587A2
The invention relates to a pump (1), especially a vane-cell pump with a variable conveyor volume, said pump comprising a pump housing (3) and a lift ring (17) which is arranged in the pump housing and surrounds a rotor interacting with a...  
WO/2009/135714A1
The invention relates to an internal gear pump for delivering a fluid, comprising a pump housing (1) in which an internal geared outer gear (5) and an external geared internal gear (6) meshing with the outer gear are rotatably received, ...  
WO/2009/132412A1
A traditional compressor unit of the sealed type suffers in that a failure of either the motor or the compressor require both to be discarded Provided is a compressor (1) having a rotor assembly (3) withm which a rotor (24) is rotated on...  
WO/2009/130433A1
A variable flow gerotor pump having an annulus, a first rotor and a second rotor wherein one of the first and second rotors comprises a peripheral slot extending axially along at least part of the periphery of the rotor, to facilitate fi...  
WO/2009/127281A1
The invention relates to a vane pump or a vane compressor, having at least one vane supported displaceably within a rotor, wherein the rotor is supported eccentrically in a hollow cylinder, the vane end (4) frictionally contacting the in...  
WO/2009/115819A1
A stator for a helicoidal down-hole drilling motor is formed with a through-hole, in addition to the main stator bore. The through-hole can be a straight hole extending parallel to the axis of the stator, or a hole of helical form, the h...  
WO/2009/099584A1
A gerotor and methods for assembling the gerotor are disclosed. The gerotor includes a pump housing having a channel and a rotor positioning cavity, a pump shaft, an inner rotor, and an outer rotor. The pump shaft has central pump shaft ...  
WO/2009/091344A1
This invention relates to a Brushless DC Electric Fuel Pump (BEFP) for an internal combustion engine having a cooling system which transfers all the heat generated by its components to the heat conducting body parts and carrying the heat...  
WO/2009/077248A1
The invention relates to a liquid pump (10) comprising a pump housing (12), a pump unit (14) for generating an operating pressure (pB), a drive shaft (16) used to drive the pump unit (14) and guided out of the pump housing (12) on a driv...  
WO/2009/070853A1
A pumping apparatus having a housing and a passageway mounted to the housing. The pumping apparatus also has a free member which is movable within the passageway. Rotation of the housing causes the free member to move within the passagew...  
WO/2009/062782A1
The invention relates to a fluid pump (10) comprising a pump housing (12), a pump unit (14) for generating a pressure (p), a drive shaft (16) for driving the pump unit (14) and a bearing unit (18) for supporting the drive shaft (16) in t...  
WO/2009/064337A1
A pump having an actuator mounted on a rotatable shaft, and a pump mounted on the shaft, which is selectively engageable with the actuator. When the actuator is actuated, the pump will receive rotational force from the shaft, creating a ...  
WO/2009/062783A1
The invention relates to a pump assembly (10) for the synchronous pressurization of two fluid circuits, comprising two internal gear pumps (11, 11') disposed together in a pump housing (12) and rotationally driven by the drive shafts (16...  
WO/2009/010047A4
Disclosed is a recirculation pump for conveying a heat transfer liquid. Said recirculation pump is driven by an electric motor and is used for heating systems, for example. The recirculation pump comprises a driven spur gear-type ball se...  
WO/2009/053188A1
The invention relates to an internal gear pump (10) for a braking system, in the pump housing (11) of which an inner toothed hollow wheel (12) and a gearwheel (13) engaging in the toothing of the hollow wheel (12) are mounted to rotate a...  
WO/2009/049991A1
The invention relates to an internal gear pump (10) for a brake system, in the pump housing (11) of which an internally toothed ring gear (12) and a pinion (13) meshing with the toothing of the ring gear (12) are pivotally supported abou...  
WO/2009/040515A1
A pump assembly (10) comprising: a first body portion (11); a second body portion (12); an inlet port (13); an outlet port (14); and a pumping chamber defined by a volume between the first and second body portions (11, 12), the pumping c...  
WO/2009/037100A1
A fuel pump (15) comprises a housing (20) and a part (24, 26) which moves during operation and bears on a housing region (22) at least indirectly. It is proposed that the fuel pump (15) comprises a coating (28) which is applied to the ho...  
WO/2009/038473A1
Abstract A progressing cavity pump (P) comprising at least an inner pump rotor (1, 1a, 1b) enclosed by at least an outer pump rotor (2, 2a, 2b) so as to collectively form one or more, in principle, separate pump cavities (19a, 19b) which...  
WO/2009/031473A1
Provided is an uniaxially eccentric screw pump (10) comprising a male screw type rotor (14). This male screw type rotor (14) includes a rotor base member made of an iron-group material, an intermediate layer formed on the surface of the ...  
WO/2009/010047A3
Disclosed is a recirculation pump for conveying a heat transfer liquid. Said recirculation pump is driven by an electric motor and is used for heating systems, for example. The recirculation pump comprises a driven spur gear-type ball se...  
WO/2009/025074A1
A rotor drive mechanism that can rotate a rotor at high speed. This is achieved by reducing the amount of heat and vibration produced when the rotor is rotated at high speed and by reducing contact pressure between the outer surface of t...  
WO/2009/024663A2
The present invention relates to a gear pump capable of delivering a fluid alternately into two separate use circuits without a switch. The gear pump (1) is characterized in that it includes two fluid outlet orifices (5, 6) connected to ...  
WO/2009/021903A1
The invention relates to an internal-gear pump or gerotor pump (10) having a housing (12), having an externally toothed inner gear (16) which is rotatable about a first axis (14), having an internally toothed ring gear (20) which is rota...  
WO/2009/003757A3
The invention relates to a pump arrangement for a hydraulic unit, particularly a vehicle brake system, having a first internal gear pump (2) with a first ring gear (20), a first pinion gear (23), and a first sickle-shaped segment piece (...  
WO/2009/019185A1
There is disclosed a working process for obtaining the pack clearance in hydraulic rotary volumetric machines (1, 20) including means (5, 16-17) to transmit the hydraulic fluid from an inlet mouth (10) to an outlet mouth (11) housed betw...  
WO/2009/012877A1
The rotary cylinder rotary slide positive-displacement pump described here makes it possible for three of four chamber walls to co-rotate during the pumping process. Said three chamber walls thus move together with the pump fluid through...  
WO/2009/012872A1
The invention relates to a rotor pump having an internally toothed outer ring and an externally toothed inner ring which is mounted therein and intermeshes therewith, wherein the outer ring and the inner ring are arranged axis-parallel t...  
WO/2009/010047A2
Disclosed is a recirculation pump for conveying a heat transfer liquid. Said recirculation pump is driven by an electric motor and is used for heating systems, for example. The recirculation pump comprises a driven spur gear-type ball se...  
WO/2009/003757A2
The invention relates to a pump arrangement for a hydraulic unit, particularly a vehicle brake system, having a first internal gear pump (2) with a first ring gear (20), a first pinion gear (23), and a first sickle-shaped segment piece (...  
WO/2008/152958A1
An internal gear pump has a housing (20) in which a circular tube-like space is formed, a driven rotor (40) having internal teeth and rotatably placed in the circular tube-like space, a drive rotor (50) having external teeth meshed with ...  
WO/2008/152713A1
A Roots pump has a simple structure enabling highly precise adjustment of a clearance between a rotor and a pump chamber. A casing (2) of the Roots pump (1) has a first casing (3) and a second casing (4) that are split along the directio...  

Matches 601 - 650 out of 8,343