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Patent Searching and Data


Matches 851 - 900 out of 8,585

Document Document Title
WO2003029660A9
A speed-regulating hydraulic valve device (1) for hydraulic coupling and uncoupling of groups of chambers in a hydraulic multi-chamber motor (4) where the speed of the motor may be regulated by directing a flow of pressurised fluid to on...  
WO/2003/083311A2
A motor pump (10) includes a pump head (22) for pressurizing a fluid and an electric motor for driving the pump head. Within the pump head, radial forces produced in two symmetrical pumping zones are balanced against each other to reduce...  
WO2003030296A3
The invention concerns a rotor with axis (YY') comprising a blade-holder made of less hard material (37), at least one blade, an element made of harder material for transmission (39) of a torque supplied by a drive device, for example a ...  
WO/2003/074875A1
The present invention relates to a transmission pump (50) for a vehicle transmission. The pump (50) comprises a static central shaft (52) for supporting part of a torque converter (TC), a housing (54) fixable to the shaft, an inner pumpi...  
WO/2003/074876A1
A gear pump comprising a motor section (10) having a cylindrical motor stator (14) and a motor rotor (18) disposed within the motor stator (14), a pair of gears (62, 64) meshing with each other and rotating with the driving of the motor ...  
WO/2003/069160A1
A rotary lobe pump comprising a sealed pump section having two rotors, the rotors being driven, independently, by two motors (9, 9A) which are controlled by an encoder/controller system (10).  
WO2002059482A8
This integral unit is available with its small outline dimensions, minimal mass and unit function improvement. The unit consists of a shaft (1) stored in a housing (4) and a hydraulic brake back flange. The back and the front support cov...  
WO/2003/062640A1
The invention relates to a vane pump, especially for transporting fuel, said pump comprising a rotor (3), a lifting ring (2) and a plurality of vanes (6). Said vanes (6) are guided in shafts (8) formed in the rotor. The vanes (6) are mec...  
WO/2003/058068A1
An orbital fluid pumping mechanism (37) having an outer tube (12) and an inner member (14) positioned substantially concentrically within the outer tube. Helical lobes (18, 22) form sealed pumping chambers to move the fluid.  
WO/2003/056180A1
The invention relates to a pump, particularly a vane pump or roller cell pump, provided with a two-stroke contour ring, a rotor, vanes, side plates, a casing, a casing cover and with lower vane grooves for supplying the lower vane surfac...  
WO/2003/056179A1
The invention relates to a pump, particularly a vane pump or roller cell pump, whereby the vane pump or roller cell pump is provided with a two-stroke contour ring, with a rotor, inside of which vanes or rollers are mounted in a manner t...  
WO2000003813A3
A device for pumping paint comprises a pump house adapted to receive paint from a paint source, a pump shaft (8) for driving a pump member to rotate inside the house for pumping paint therethrough. The pump shaft is through an intermedia...  
WO/2003/054393A1
The invention relates to a feed pump for delivering fluid media, wherein the pump bearings are lubricated by the feed medium itself. Connecting channels with valve devices are provided on the suction side and on the pressure side upstrea...  
WO/2003/052272A1
Improved gerotor pumps (10, 100, 150, 180, 210, 230, 260, 270, 310, 340, 370, 400) each featuring an outer rotor (18, 184, 202) of a gerotor set (12, 186, 204, 344) located laterally with respect to a preferred eccentricity axis (54), bu...  
WO/2003/050418A1
The invention relates to a feed pump for fluidic media, comprising a displacement body that is mounted in a pump housing and equipped with slide bearings and connecting channels that connect the slide bearings to the product channel on t...  
WO/2003/048580A1
A gear pump, wherein an inclined bottom face is formed, at the bottom part of a suction port, on a plane inclined so as to get close to the side faces of external teeth and internal teeth starting at the upstream side toward the downstre...  
WO2002097274A3
The invention mainly concerns a rotor with reduced wear, and a pump comprising same. Said rotor with axis YY' comprises a blade-holder made of less hard material (37), at least one blade, an element made of a harder material for transmit...  
WO2002027187A9
A vane pump is disclosed for use with gas turbine engines adapted and configured to provide a predicted failure mode similar to that of a traditional fixed displacement pump. The vane pump includes a pump housing, a cam member, a cylindr...  
WO/2003/044372A1
The invention relates to a rotary piston pump comprising a housing (10), an annular piston (18) in the form of a tubular segment, which is connected to a shaft (22) in a rotationally fixed manner and which is guided rotationally and disp...  
WO/2003/042539A1
The invention relates to a roller vane pump for pumping transmission fluid in an automatic transmission for motor vehicles. The pump is provided with a pump housing (2), a rotatable carrier (3) located in the interior of the pump housing...  
WO2001096742B1
The invention relates to a portable hydraulic pump unit (1) comprising a housing (2), a pump (5), a drive motor (6) for the pump (5), in particular in the form of an electric drive motor, in addition to a reservoir (13) for hydraulic flu...  
WO/2003/037965A1
A sliding member consisting of carbon fiber−reinforced plastics containing an epoxy resin composition and carbon fibers, wherein the dimension change ratio, at 25°C and by swelling using petroleum, pure water and alkaline aqueous solu...  
WO/2003/036092A1
The invention concerns a gear pump comprising a pump body (2) closed with a cover (3) forming a cavity wherein is provided a drive pinion (4) capable of being driven in rotation by a drive shaft (1) whereto it is fixed, a driven pinion (...  
WO/2003/036091A1
The invention relates to an internal gear pump for conveying fuel in an internal combustion engine, comprising an internally toothed annular gear (11) and an externally toothed pinion gear (3) which cooperates with the annular gear (11) ...  
WO/2003/030296A2
The invention concerns a rotor with axis (YY') comprising a blade-holder made of less hard material (37), at least one blade, an element made of harder material for transmission (39) of a torque supplied by a drive device, for example a ...  
WO/2003/029660A1
A speed−regulating hydraulic valve device (1) for hydraulic coupling and uncoupling of groups of chambers in a hydraulic multi−chamber motor (4) where the speed of the motor may be regulated by directing a flow of pressurised fluid t...  
WO/2003/025399A1
The invention relates to a wing cell pump which is used to pump fluids, comprising a rotor (2), a lift curve ring (3) and a plurality of wings(4) which are pre-tensed by means of spring elements (5). The spring elements (5) are an integr...  
WO2002081921B1
Vane pump (10) mechanical losses are reduced by removing vane friction losses and replacing them with lower magnitude journal bearing fluid film viscous drag losses. A freely rotating cam ring (70) is supported by a journal bearing (80)....  
WO2002077416A3
The problem of aligning the drive shaft (16) of a pressure clamped pump (10) with the output shaft (89) of a drive motor (80) in a hydraulic apparatus (70) is solved through the use of pressure clamped pump (10) having a housing (12) ada...  
WO/2003/016720A1
The invention relates to a gear pump that is intended, in particular, for rubber mixtures. The inventive pump comprises a housing (12) containing a rotating gear wheel assembly consisting of a central gear wheel (4) which co-operates wit...  
WO/2003/006830A1
An improved hydraulic motor system, suitable for driving an automotive cooling fan or the like. The system is driven by grade gerotor set and and idle gerotor set which are stacked between a center plate and against a rear wall of a cyli...  
WO/2003/006348A1
The invention discloses a screw conveyor for the transport of flowable substances and/or lumps of material, comprising a rotatable first screw (1) provided with helical windings (2) arranged in a housing (3) with an inlet opening and an ...  
WO2002077451A3
The invention relates to a positive-displacement pump, consisting of an electric motor (1), a connecting housing (2) and a pump head (3) with pump gears mounted therein. In the present embodiment, the pump is configured as an external ge...  
WO2002084117A3
The invention relates to a method and a device which guarantees a constant output variable, e.g. the displaced volume of lubricating oil in a feed pump (3) which is actuated by a speed variable drive device (4), e.g. an internal combusti...  
WO2002097272A8
The invention relates to mechanical engineering, in particular to the design structure of rotary pumps. The aim of said invention is to improve the economy characteristics and the efficiency of a pump, to increase the height of self-suct...  
WO2002059482B1
This integral unit is available with its small outline dimensions, minimal mass and unit function improvement. The unit consists of a shaft (1) stored in a housing (4) and a hydraulic brake back flange. The back and the front support cov...  
WO/2002/097274A2
The invention mainly concerns a rotor with reduced wear, and a pump comprising same. Said rotor with axis YY' comprises a blade-holder made of less hard material (37), at least one blade, an element made of a harder material for transmit...  
WO/2002/097272A1
The invention relates to mechanical engineering, in particular to the design structure of rotary pumps. The aim of said invention is to improve the economy characteristics and the efficiency of a pump, to increase the height of self-suct...  
WO/2002/097275A1
Liquid seal pump of the helical screw type including a pump housing (3) with an inlet (2), outlet (6) and within the housing provided helical screw rotor (7) driven by means of a motor (8). The outlet (6) of the pump (3) is provided with...  
WO/2002/093506A1
A fluid metering device (30) preferably includes a substantially linear series of intermeshing gears (310, 314). The device includes an inlet port (340I-342I) adjacent the intermeshing portion of each pair of gears (310-313) within the s...  
WO/2002/090775A1
The invention relates to a rotary piston pump comprising a casing (10) with a cylindrical annular space (14) and an annular piston (12a, 12b), which is arranged inside the annular space (14) in a manner that permits it to rotate and to b...  
WO2002018792A3
A system and method for transporting high-viscosity, high-solids, dewatered materials essentially includes a progressing cavity pump system utilizing a twin-screw feeder with an extended tunnel section. The feeding of the material into a...  
WO/2002/084117A2
The invention relates to a method and a device which guarantees a constant output variable, e.g. the displaced volume of lubricating oil in a feed pump (3) which is actuated by a speed variable drive device (4), e.g. an internal combusti...  
WO/2002/081921A1
Vane pump (10) mechanical losses are reduced by removing vane friction losses and replacing them with lower magnitude journal bearing fluid film viscous drag losses. A freely rotating cam ring (70) is supported by a journal bearing (80)....  
WO/2002/082098A2
A sensor unit (30) for a rotating shaft (20), which unit uses an inner opening (34) directly in contact with the outer surface of the rotating shaft (20) in order to precisely and repeatedly radially align a sensor (60) having inside ext...  
WO/2002/081913A2
The invention relates to a hydraulic pump unit comprising a hydrostatic system pump which is used to provide a hydraulic working system with hydraulic fluid via a pressure connection, also comprising a second pump which is used to suctio...  
WO/2002/077451A2
The invention relates to a positive-displacement pump, consisting of an electric motor (1), a connecting housing (2) and a pump head (3) with pump gears mounted therein. In the present embodiment, the pump is configured as an external ge...  
WO/2002/077416A2
The problem of aligning the drive shaft (16) of a pressure clamped pump (10) with the output shaft (89) of a drive motor (80) in a hydraulic apparatus (70) is solved through the use of pressure clamped pump (10) having a housing (12) ada...  
WO/2002/077460A1
The gear feed pump has housing (10, 12) in which a pump chamber (14) is formed, a rotationally driven pair of gearwheels (16, 18) that engage with one another being arranged inside said pump chamber. Said gearwheels feed a pumped medium ...  
WO2002023699A3
Hydraulic drive systems require compact, efficient motor-pump aggregates. These requirements are met by integrating, as far as possible, an electromotor and one or more pumps into one device. This does however present this problem that o...  

Matches 851 - 900 out of 8,585