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Patent Searching and Data


Matches 851 - 900 out of 16,141

Document Document Title
WO/2013/075554A1
Disclosed is a cycloidal pinwheel pair with uniform contact and one tooth difference, belonging to the technical fields of cycloidal hydraulic motors and fully hydraulic diverters. The cycloidal pinwheel pair comprises a stator (01) and ...  
WO/2013/075946A1
The invention relates to a fuel delivery system (10) for a vehicle, comprising a pre-delivery pump (14) for pumping fuel out of a tank (100), a high-pressure pump (12) for feeding the fuel to a common rail system (24), and a filter (16) ...  
WO/2013/074865A1
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator, where the apparatus for const...  
WO/2013/072206A3
The invention relates to an internal gear pump (6), in particular for a motor vehicle, for conveying a fluid, comprising an internal gear (22) having an internal toothed ring (23), an external gear (24) having an external toothed ring (2...  
WO/2013/073982A1
The invention relates to mechanical engineering and can be used in hydraulic machines, pumps, compressors and internal combustion engines. The technical problem of the invention consists in providing a novel design for a diametric positi...  
WO/2013/069144A1
Provided is an internal-gear-type oil pump for a vehicle, the oil pump being provided with a driven gear in which the self-aligning effect of the driven gear can be obtained while preventing the fluid friction acting on the driven gear f...  
WO/2013/068142A1
Valve devices are known for oil-pump regulating arrangements having an actuator unit (10) with an electromagnetic circuit (14) with a movable armature (22), a core (20), a coil (18) which can be supplied with current, and flux guiding de...  
WO/2013/067099A1
A compressor for compressing refrigerant in a refrigerant circuit includes a housing defining a compression chamber. A screw rotor is mounted within the housing and configured to form a pocket of high pressure refrigerant and a pocket of...  
WO/2013/064386A3
A pump device having a vane-type pump (1) has a check valve (15) in a fluid duct (14) which leads from a pressure region (7) to an under-vane region (11, 12). The check valve (15) blocks in the direction of the pressure region (7). It is...  
WO/2013/061820A1
An internal gear pump provided with a pump rotor (4) in which the point of engagement between an inner rotor (2) having n teeth and an outer rotor (3) having (n+1) teeth is positioned rearward, with respect to the direction of rotor rota...  
WO/2013/058078A1
 This vane pump is provided with: a rotor that is rotatably driven and used as a fluid pressure supply source; a plurality of slits that is formed in a radial configuration on the rotor; a plurality of vanes that slidably projects from...  
WO/2013/058223A1
This internal gear pump is composed of an inner rotor with n teeth, and an outer rotor with n + 1 teeth. The tooth profile of the inner rotor delineates a trochoidal curve (T) according to the locus of fixed points separated only e from ...  
WO/2013/058225A1
[Problem] The purpose of this invention is to make it possible to monitor the operation state of multiple uniaxial eccentric screw pumps by means of a remotely installed monitoring means. [Solution] In this remote monitoring system (1), ...  
WO/2013/057752A1
A vane pump (1) comprises a front vane case (40), a rear vane case (50), a pump housing (60), a pump cover (70), a drive shaft (30), a rotationally driven rotor (10), and vanes (20) provided in slots (13). The vanes (20), the front vane ...  
WO/2013/053062A1
A pump comprises a housing having an inner contour wall defining a fluid chamber. A rotor mechanism is positioned within the fluid chamber and comprises a belt and a rotatable rotor assembly. The belt is mounted to the rotor assembly. A ...  
WO/2013/049929A1
A variable capacity vane pump (20) is provided having a pump control ring (44) that is moveable to alter the capacity of the pump (20). A control chamber (60) is formed between the pump casing (22) and the control ring (44). The control ...  
WO/2013/051448A1
Provided is a vane pump configured so that fluid pressure occurring on the side on which the vane ring of the rotor is provided and fluid pressure occurring on the side opposite said side are equal. A vane pump has: a rotor; slits which ...  
WO/2013/045302A3
The invention relates to a displacement pump for delivering pressure medium to a consumer, in particular to an assisted steering system for motor vehicles. A pump stack (2) having a rotor (3), a cam ring (4) and a plurality of working sl...  
WO/2013/045152A2
The invention relates to an internal gear pump (1) serving as a return pump for a slip-controlled hydraulic vehicle brake system. The invention proposes mounting a ring gear (4) of the internal gear pump (1) in a bearing ring (5) made of...  
WO/2013/049030A1
A progressing cavity pump system including a rotor and a stator having an inner cavity. The rotor is rotationally disposed inside the inner cavity of the stator such that rotation of the rotor relative to the stator causes material in th...  
WO/2013/045152A3
The invention relates to an internal gear pump (1) serving as a return pump for a slip-controlled hydraulic vehicle brake system. The invention proposes mounting a ring gear (4) of the internal gear pump (1) in a bearing ring (5) made of...  
WO/2013/041777A1
The invention relates to a machine for continuously compressing liquid or gaseous fluids, without lubrication, using a semi-spherical circular wheel which supports vanes and is guided in a semi-spherical circular chamber that is eccentri...  
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...  
WO/2013/037540A1
The invention relates to a pump, in particular an oil pump (1) for an internal combustion engine, comprising a pump housing (3) designed to receive a pump device comprising a pump shaft (5), an electric motor (2) being connected to the p...  
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...  
WO/2013/037536A1
Disclosed is a pump assembly for a high-pressure injection system, in particular in a motor vehicle, comprising a high-pressure pump (7) and an electric pre-supply pump which consists of an electric motor and a pump and which is arranged...  
WO/2013/039770A1
A gerotor pump assembly includes a gerotor pump (26) and a relief valve assembly (60). The relief valve assembly (60) includes a relief valve inlet (82) in fluid communication with a compression portion (44) of the pump housing (38), a r...  
WO/2013/036203A1
A revolving vane compressor comprising, a cylinder rotatable about an axis of rotation; a vane rotatable with the cylinder; a rotor operatively connected to the vane such that rotation of the cylinder causes rotation of the rotor; a driv...  
WO/2013/036516A3
In an aspect, the disclosure provides an apparatus for use downhole. In one aspect the apparatus includes a rotor with lobes disposed in stator with lobes, wherein at least one of the contours of the rotor lobe and the contour of the sta...  
WO/2013/029662A1
Lubricant vane pump (10) with a pump rotor (14) including at least three slidable vanes (18), a circumferential stator ring (12) and two stator side walls (17) being rectangular to the stator ring (12), whereby the rotor vanes (18), the ...  
WO/2013/032367A2
The claimed device relates to the field of power engineering and can be used in rotary vane mechanism structures for rotary machines. The technical results achieved by implementing the claimed technical solution include an increase in th...  
WO/2013/030025A2
A rotary displacement pump (2) according to the present invention is for pumping flowable viscous materials and comprises a liner (26, 36); a rotor (28) configured to be driven by a shaft (8); said rotor (28) including a shaft portion (3...  
WO/2013/032616A3
In one aspect, the disclosure provides an apparatus for use downhole that in one configuration includes a stator including a housing having an inner contour and a liner lining the inner contour of the stator housing, wherein thickness of...  
WO/2013/032616A2
In one aspect, the disclosure provides an apparatus for use downhole that in one configuration includes a stator including a housing having an inner contour and a liner lining the inner contour of the stator housing, wherein thickness of...  
WO/2013/030025A3
A rotary displacement pump (2) according to the present invention is for pumping flowable viscous materials and comprises a liner (26, 36); a rotor (28) configured to be driven by a shaft (8); said rotor (28) including a shaft portion (3...  
WO/2013/032367A3
The claimed device relates to the field of power engineering. The rotary vane machine comprises a stationary housing in the form of a stator (1), and a hollow rotor (7) which has radial profiled bores (8) with opposite concave curved sur...  
WO/2013/032616A4
In one aspect, the disclosure provides an apparatus for use downhole that in one configuration includes a stator including a housing having an inner contour and a liner lining the inner contour of the stator housing, wherein thickness of...  
WO/2013/028015A2
An oil-free air compressor of the present invention comprises: a housing (10) which is divided into an oil-free region (A1) for removing oil in the inside thereof and two oil regions (A2, A3) which are connected to the left and right por...  
WO/2013/028015A3
An oil-free air compressor of the present invention comprises: a housing (10) which is divided into an oil-free region (A1) for removing oil in the inside thereof and two oil regions (A2, A3) which are connected to the left and right por...  
WO/2013/022770A3
A rotary chambered fluid energy-transfer device includes a housing with a central portion having a bore formed therein and an end plate (414) forming an arcuate inlet passage (415), with a radial height and a circumferential extent. The ...  
WO/2013/018102A3
A vane assembly for a rotor is disclosed. The vane assembly is located along the diameter of the rotor. The vane assembly comprises at least a first blade, a second blade and a flexible component. The flexible component is integrated in ...  
WO/2013/019948A1
A piston for a pump includes a hub portion defining opposing outer surfaces and concave lateral portions between the opposing outer surfaces. The piston also includes inserts configured to provide a replaceable surface, the inserts being...  
WO/2013/019306A1
A method for manufacturing roller pockets in a stator of a gerotor device generally includes providing a stator having a cavity including a generally cylindrical section defining a central axis and a plurality of roller pockets angularly...  
WO/2013/013879A3
A gear pump for delivering a fluid, which gear pump has a rotatably mounted toothed wheel with external toothing and has a toothed ring with internal toothing, wherein a multiplicity of delivery chambers are formed by the meshing of teet...  
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...  
WO/2013/013883A3
The invention proposes a gearbox pump (1), in particular a gearbox oil pump of an automatic gearbox of a motor vehicle, which comprises a pump housing (2) and a pump cover (3) or oil-guiding flange and in the case of which, for a gear pu...  
WO/2013/013860A3
The invention relates to a brake system for a vehicle, comprising a main brake cylinder (10) which is hydraulically connected to at least one wheel brake caliper (20), and a liquid delivery device by which brake fluid can be transferred ...  
WO/2013/013859A3
The invention relates to a brake system for a vehicle, comprising a main brake cylinder (10) which is hydraulically connected to at least one wheel brake caliper (20), and a liquid delivery device (22) by which brake fluid can be transfe...  
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/2013/012488A3
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...  

Matches 851 - 900 out of 16,141