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Patent Searching and Data


Matches 1,001 - 1,050 out of 16,283

Document Document Title
WO/2012/112378A3
An implantable pump system for assisting blood flow in a patient includes a blood flow path comprising a flexible conduit, at least one valve in fluid connection with the flexible conduit, a drive system in operative connection with the ...  
WO/2011/029425A3
The invention relates to a sliding vane pump (1) comprising a rotor (3) that rotates in a housing (2) and at least one vane (5) that is movably mounted in the rotor (3). The rotor (3) is centrally arranged in the contour (20) of the inne...  
WO/2013/012488A2
In aspects, the disclosure provides a drilling motor that includes a lubricating unit that selectively supplies a lubricant to the drilling fluid before the drilling fluid passes through the drilling motor so as to lubricate the stator a...  
WO/2011/107307A3
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...  
WO/2011/063870A3
The invention relates to a screw pump, comprising a pump housing, on which a flange section for installing the pump is formed, and an integrated pressure limiting valve. According to the invention, the pressure limiting valve in the flan...  
WO/2013/011535A2
The invention relates to a double-helical gear rotary positive displacement pump comprising a pump housing (14) rotatably supporting at least a driving shaft (2) and at least a driven shaft (3), at least a first toothing (4) and a second...  
WO/2013/006902A1
A rotary fluid machine (10) has a rotor (12), a stator (14), and a plurality of gates. The (rotor 12) and stator (14) are rotatable relative to each other and arranged one inside the other to define a working chamber (18) there between. ...  
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/2013/009796A2
In aspects, the disclosure provides a drilling motor that includes a stator and a rotor disposed in the stator, wherein the inner surface of the stator and/or outer surface of the stator includes a coating of a diamond-like carbon material.  
WO/2013/007233A1
The invention relates to a gear ring pump, in particular for use in small pump assemblies which are preferably driven by an electric motor, which are produced as pump kits, and which are used in vehicle and engine construction. The aim o...  
WO/2011/138602A3
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...  
WO/2011/138601A3
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 ...  
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/2013/000745A2
The invention relates to a micropump, comprising an inner rotor arranged on a shaft and an outer rotor, said rotors forming a rotor unit comprising a delivery chamber for fluid, wherein the pump comprises a multifunctional bearing elemen...  
WO/2013/003172A1
Positive-displacement auxiliary pumping systems for use in pump apparatus of different configurations are disclosed. The positive-displacement auxiliary pumping systems are included in positive-displacement rotary pumps having a casing d...  
WO/2012/174651A1
A gerotor mechanism having one or more "work gerotor sets" that operate on the working fluid, where the inner and outer gerotors approach each other closely, but do not make mechanical contact; b) one or more "sync gerotor sets" which us...  
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/2012/128986A3
An infusion pump system includes an infusion channel, and a display associated with the infusion channel. The display is for rendering a scannable barcode.  
WO/2012/171608A2
The invention relates to a pump comprising a housing with an inlet and an outlet for the fluid to be delivered and comprising a first delivery rotor which is rotatably arranged within the housing and which forms a delivery chamber togeth...  
WO/2012/171792A1
The invention relates to an immersion pump (1), comprising an integral housing (2) having an inlet opening on the intake side, an outlet opening on the delivery side and a passage for electrical lines, an electronic unit for processing p...  
WO/2012/167614A1
An internal gear pump comprising a gear ring (13) for internal mesh, a small gear (12) that meshes with a part of the teeth of the gear ring (13), a pump body disposed with the internal gear ring (13) and the small gear (12), a tapered r...  
WO/2012/101588A8
A pumping assembly for feeding oil under pressure to a user is defined by a gear pump (2), which is actuated by an electric motor (3), and has a pair of gears (4), which are coupled to each other within a pump body (9), and are each prov...  
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...  
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/2012/161574A1
The invention relates to a pump, a pump system and a method for pumping a medium. The pump for pumping medium comprises an inlet, an outlet, a drivable spindle and at least two follower spindles, wherein the drivable spindle and the at l...  
WO/2011/134449A3
The invention relates to a hydraulic transport device for transporting a hydraulic medium, comprising at least one pump driven by an electric motor, and a control appliance. The invention is characterised in that a passive detection elem...  
WO/2011/073787A3
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 ...  
WO/2011/129776A4
Gear pump with continuous variable output flow rate, comprises at least one first gear (3) is mounted on the first shaft (1), at least one second gear (4) is mounted on the second shaft (2), the first gear (3) and the second gear (4) are...  
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/2012/155500A1
Disclosed in the present invention is a variable pump comprises a stator (1), a rotor (2) and vanes (3), wherein the stator (1) and the rotor (2) are mutually nested. The vanes (3) are arranged between the walls of the stator (1) and the...  
WO/2011/147638A3
The invention relates to an internal gear pump (1) having an integrated electric motor (2), in particular for a motor vehicle, for delivering 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/2012/151699A1
Disclosed herein are several embodiments of rotors (gears) which utilize spherical involute curves to determine the surfaces of the lobes (teeth). In some embodiments the contact surfaces are radial projections of spherical involute surf...  
WO/2011/128707A3
Concentric vane pump consist of a housing (1) with internal surface consisting of two 90° arcs, placed on the opposite sides, larger with the radius of R, smaller with the radius r both with centers at (0). In the center (0) a rotor is ...  
WO/2012/122955A3
A planetary rotation-type rotation device comprising the following: a cylinder (1) having a cylindrical cavity, and a main shaft (3) supported by cylinder-sealing end-caps on the two sides of the cylinder; a central sun wheel sleeved on ...  
WO/2012/109302A3
A compressor system includes a lubricant reservoir, a screw compressor, and a valve. The screw compressor includes a housing defining a compression chamber having a suction port, a discharge port, a first lubricant feed port located betw...  
WO/2012/142714A1
The present disclosure describes the use of involute curves for use in energy conversion devices, as well as timing or indexing gears. Several different embodiments are shown using rotors of several examples of lobe numbers and shapes.  
WO/2011/129776A3
Gear pump with continuous variable output flow rate, comprises at least one first gear (3) is mounted on the first shaft (1), at least one second gear (4) is mounted on the second shaft (2), the first gear (3) and the second gear (4) are...  
WO/2012/134324A1
The invention relates to positive-displacement hydraulic machines and can be used as a hydraulic engine or pump. The hydraulic machine comprises a body 1 with end covers 2, and a cylindrical rotor 3 with longitudinal partitions 6. An ann...  
WO/2012/128640A1
Referring to fig. 2. A rolling vane to a rotary pump or engine with a self-sealing solution, close to a friction free operation, where the pressure differences between the opposite slopes of the vane-piston (27) in the rotary pump or eng...  
WO/2012/094534A3
A heart pump and a catheter assembly therefor are provided that include a flexible catheter body having a proximal end and a distal end, the catheter body having a plurality of lumens therethrough. The catheter body can be sufficiently f...  
WO/2012/128986A2
An infusion pump system includes an infusion channel, and a display associated with the infusion channel. The display is for rendering a scannable barcode.  
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/2012/125543A1
A method of making a pump housing that is net-molded and immediately assumes its final shape and design specification without requiring more than de minimis secondary machining processes. The method utilizes molds and cores configured su...  
WO/2011/104163A3
The invention relates to a controllable hydraulic oscillating slide machine (1) (pump or motor), comprising - an inner rotor (3) arranged in a housing (2) and having cylindrical recesses (4), - a bearing (6) formed in the housing (2), in...  
WO/2012/120094A2
A gerotor pump (1) comprising; ·a housing (2) which comprises a first and a second supply socket (18a,18b;19a,19b), ·an inner rotor (4); and ·an outer rotor (5) rotatably located relative the housing (2); wherein the inner rotor (4) i...  
WO/2012/120095A2
A hydraulic device (1) comprising a housing(2) and a gerotor (3)contained within the housing(2), the gerotor (3) having an inner rotor (4) eccentrically disposed within an outer ring(5), the outer ring having a central axis (19),the oute...  
WO/2012/122321A2
A moving or progressive cavity motor or pump is disclosed, the motor including a rotor and a stator, the stator having one or more inserts or gearing sections to limit a lateral movement of the rotor relative to the stator. In some embod...  
WO/2011/069754A3
The invention relates to an eccentric screw pump for conveying high-viscosity materials, in particular liquid mortar. The eccentric screw pump according to the invention comprises a stator (12) made of an elastomer and having a pump holl...  
WO/2012/113768A1
The invention relates to a method for producing the tooth shapes of two toothed rings of an annular gear machine. For this purpose, a starting geometry of a first toothed ring, at least one quality criterion of the annular gear machine, ...  

Matches 1,001 - 1,050 out of 16,283