Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,001 - 1,050 out of 16,151

Document Document Title
WO/2012/055036A8
In a rotary pump having a rotor and a stator in communication with hydrocarbon production tubing, a submersible pump driver assembly includes a drive motor having an output connected by a drive link to the rotor of the pump. A production...  
WO/2012/056470A4
It has two rotary discs, 'A' (a cap) and 'B'; and a rotary 'eye' (having ports) placed in the central hole of 'B'. Cap is half the diameter of 'B'. Both face each other and maintain contour complementarity (wall height of 'A'+ radial dep...  
WO/2012/058455A1
A compressor may include a shell, first and second scroll members, and a seal assembly. The shell defines a first and second pressure regions. The first scroll member may include a first end plate defining a chamber. The seal assembly ma...  
WO/2012/055036A1
In a rotary pump having a rotor and a stator in communication with hydrocarbon production tubing, a submersible pump driver assembly includes a drive motor having an output connected by a drive link to the rotor of the pump. A production...  
WO/2012/052240A3
The invention relates to a pendulum-slide cell pump (1), in particular for supplying an internal combustion engine with lubricant, for example with oil, having a rotationally mounted internal rotor (2) which is connected to an external r...  
WO/2012/053588A1
This vane pump comprises: vanes which are slidably inserted in slits formed radially in the outer periphery of the rotor and which have tips capable of being in sliding contact with the cum surface of the cam ring; back pressure chambers...  
WO/2012/048940A3
The invention relates to a gear pump for delivering a fluid, particularly fuel, having at least two intermeshing gears, disposed in a housing ring closed on both sides by two covers. According to the invention, a coating is applied on at...  
WO/2012/045535A3
The invention relates to an internal gear pump (1) having an integrated electric motor (2), in particular for a motor vehicle, for conveying a fluid, comprising an internal gear (5) having an internal gear ring (6), an external gear (8) ...  
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...  
WO/2012/045535A2
The invention relates to an internal gear pump (1) having an integrated electric motor (2), in particular for a motor vehicle, for conveying a fluid, comprising an internal gear (5) having an internal gear ring (6), an external gear (8) ...  
WO/2012/041283A3
The invention relates to a vane cell pump having a rotor which is mounted in a pump housing and is driven by a shaft, a plurality of vane plates which are mounted radially displaceably in the outer circumference of said rotor, and an out...  
WO/2012/043018A1
The following are formed in the housing (2) of this vane pump (1): a discharge passage (7) for discharging residual oil and a gas from inside a pump chamber (2A); and an atmosphere introduction passage (107) that lets pressure out of the...  
WO/2012/038199A3
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...  
WO/2012/035091A2
The invention relates to a seal for the piston of rotary piston machines, which consists of two or more rotor segments which are arranged next to one another and which seals the joint/joints between the piston segments with respect to th...  
WO/2012/034592A1
A rotary displacement pump of an undulatory disk type; with a pump housing (24) comprising a front end plate (56) and a rear end plate, the pump housing enclosing a stator (40, 48), a rotor (42), a scraper (44) and a scraper guide (46), ...  
WO/2012/034480A1
A synchronal rotary multiphase pump comprises a body (12), a cylinder (8), a main shaft (1), and a rotor (10). The cylinder (8) is mounted in the body (12), the rotor (10) is mounted on the main shaft (1), and the main shaft (1) and the ...  
WO/2012/034985A3
The invention relates to a rotary piston pump (10) for conveying fluids, in particular liquids laden with solid matter, having a housing (45) and having at least one pair of intermeshing rotary pistons (1) arranged within the housing (45...  
WO/2012/032765A1
A compressor (120) uses a single refrigerant that is composed of a hydrofluoroolefin having a carbon double bond or a mixed refrigerant that contains a hydrofluoroolefin and a hydrofluorocarbon having no carbon double bond, while using a...  
WO/2012/031833A3
A method for aligning a stroke ring of a vane pump which has a rotor which is mounted so as to be rotatable about an axis of rotation and which is arranged in a pump chamber delimited radially by the stroke ring, wherein an imaginary con...  
WO/2012/026085A1
Provided is a stator seal structure for a single-shaft eccentric screw pump, the stator seal structure being configured in such a manner that sealing mechanisms (14a, 14b) have increased wear resistance and that fluid which is supplied u...  
WO/2012/022595A3
The invention relates to a vane pump having at least one vane, having a pump housing with a base and a cover, and having a rotor rotatably mounted therein, wherein the at least one vane is mounted displaceably in a groove in the rotor an...  
WO/2012/021992A1
A variable displacement oil pump comprising a pump body, which oil pump is driven by a driven input shaft, a slide having an internal surface, the slide disposed in the pump body, the slide pivotally moveable by pressurization of a first...  
WO/2012/021992A8
A variable displacement oil pump comprising a pump body, which oil pump is driven by a driven input shaft, a slide having an internal surface, the slide disposed in the pump body, the slide pivotally moveable by pressurization of a first...  
WO/2012/022784A3
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...  
WO/2012/022595A2
The invention relates to a vane pump having at least one vane, having a pump housing with a base and a cover, and having a rotor rotatably mounted therein, wherein the at least one vane is mounted displaceably in a groove in the rotor an...  
WO/2012/016552A2
The invention relates to an external gear pump comprising at least two gears that mesh within an engagement zone as well as a bypass piston that makes it possible to reduce the pressure in the driven external gear pump by allowing a surp...  
WO/2012/016552A3
The invention relates to an external gear pump comprising at least two gears that mesh within an engagement zone as well as a bypass piston that makes it possible to reduce the pressure in the driven external gear pump by allowing a surp...  
WO/2012/012636A1
A well tool is disclosed. The tool includes a first member having a surface that is configured for exposure to a well fluid, the first member comprising a metallic coating disposed on a substrate, the metallic coating having a plurality ...  
WO/2012/010397A2
The invention relates to a rotary vane pump (1) comprising an inner chamber (2) delimited on one side by an end wall, in particular by a cover, a rotor (4) rotatably mounted in said inner chamber having a slot (6) running transverse to t...  
WO/2012/010397A3
The invention relates to a rotary vane pump (1) comprising an inner chamber (2) delimited on one side by an end wall, in particular by a cover, a rotor (4) rotatably mounted in said inner chamber having a slot (6) running transverse to t...  
WO/2012/011971A3
A lube pump has a housing with a flange extending radially outwardly from a body of the housing. At least one rotor is received within the housing, and a shaft for powering the rotor extends away from the flange. A retention plate is pos...  
WO/2012/011971A2
A lube pump has a housing with a flange extending radially outwardly from a body of the housing. At least one rotor is received within the housing, and a shaft for powering the rotor extends away from the flange. A retention plate is pos...  
WO/2012/007125A2
A vane pump comprises a stator, a rotor which is rotatable relative to the stator, and a plurality of vanes movably mounted on the rotor, which vanes divide a working chamber formed between the stator and the rotor into a plurality of wo...  
WO/2012/004953A2
Providing a vehicular power transmitting system wherein an oil pump is constructed to sufficiently reduce a required drive torque. A high-pressure-port discharge amount Q1 of first and second high-pressure passages 110, 114 of the oil pu...  
WO/2012/004455A1
A motor system (1 ) comprising a pressure medium operated motor (2) and a control valve (4). The control valve (4) comprises at least one rotating part for controlling a pressure medium flow by means of the control valve (4). The motor s...  
WO/2012/000812A3
A gear pump is described with a plurality of gear wheels which intermesh in order to deliver a pumping medium, are held rotatably in a pump case and deliver a pumping medium from a priming zone into a delivery pressure zone of the pump c...  
WO/2012/000812A2
A gear pump is described with a plurality of gear wheels which intermesh in order to deliver a pumping medium, are held rotatably in a pump case and deliver a pumping medium from a priming zone into a delivery pressure zone of the pump c...  
WO/2011/161117A3
Disclosed is a hydrostatic rotary piston machine according to the orbit principle, having a power element (51) acting as an output and comprising a stationary stator (52), a rotary piston (8), and a rotatably mounted shaft (11), wherein ...  
WO/2011/161117A2
The invention relates to a hydrostatic rotary piston machine according to the orbit principle, having a power element (51) acting as an output and comprising a stationary stator (52), a rotary piston (8), and a rotatably mounted shaft (1...  
WO/2011/158167A3
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...  
WO/2011/159833A1
A modular symmetrical asphalt pumping system providing a series of field-configurable gear pumps and meters usable to safely and efficiently pump viscous molten fluids, such as, asphalt and similar bituminous materials. The system utiliz...  
WO/2011/158011A2
A stator (100) for a progressive cavity pump or motor, comprises a stator housing and a stator thread made of a material moulded within the housing. The stator housing (120) is an outer tube (120) and an inner anchor element (110) within...  
WO/2011/159833A4
A modular symmetrical asphalt pumping system providing a series of field-configurable gear pumps and meters usable to safely and efficiently pump viscous molten fluids, such as, asphalt and similar bituminous materials. The system utiliz...  
WO/2011/158011A3
A stator (100) for a progressive cavity pump or motor, comprises a stator housing and a stator thread made of a material moulded within the housing. The stator housing (120) is an outer tube (120) and an inner anchor element (110) within...  
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...  
WO/2011/154237A3
The invention relates to a rotary vane pump (1), comprising an interior (2), a rotor (3), which is rotatably mounted therein and which has a slot (4) extending perpendicularly to the rotational axis (9), a vane (5), which is movably supp...  
WO/2011/153915A1
A spiraster-type rotary device includes a stator, a rotor and a central sun wheel roller (10). The stator has a cylinder block (1) with a cylindrical cavity. The rotor has a main shaft (3), planetary piston wheel fixed flanges (9) and a ...  
WO/2011/154237A2
The invention relates to a rotary vane pump (1), comprising an interior (2), a rotor (3), which is rotatably mounted therein and which has a slot (4) extending perpendicularly to the rotational axis (9), a vane (5), which is movably supp...  
WO/2011/155312A1
Provided is a uniaxial eccentric screw pump in which a stator can be readily separated into an outer cylinder and a lining member, and in which problems such as position deviation and deformation of the lining member and the accompanying...  
WO/2011/155311A1
Disclosed is a buffering member which is capable of easily linking an output shaft and a passive shaft so as not to cause misalignment or looseness of the shaft centers, and which is capable of suppressing outside forces working directly...  

Matches 1,001 - 1,050 out of 16,151