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Patent Searching and Data


Matches 401 - 450 out of 8,343

Document Document Title
WO/2014/057649A3
A dual outlet pressure pump comprising a first pump entity (10) and a second pump entity (20), whereby a dual pump housing (17) comprises a first pump rotor cavity (36) and a second pump rotor cavity (39) separated by a diaphragm (37) wi...  
WO/2014/093474A1
This disclosure relates to various types of pumps that are magnetically driven in which a rotary element is connected to a driven magnet housed in a magnet housing in which the magnet is wetted by the fluid pumped by the pump. In one rep...  
WO/2014/089629A1
A fluid rotary machine (10) comprises first and second bodies (12) and (14) that are rotatable relative to each other. Body (14) is inside the other body (12) to define a working fluid space (16) there between. The machine (10) has a plu...  
WO/2014/086338A1
The invention relates to an electric motor-driven motor-vehicle vacuum pump (1), having a drive shaft (3) which has, in particular, two bearings and extends with a shaft stub (5; 35; 45) into a rotor (8) which is connected fixedly to the...  
WO/2014/079888A2
A high pressure pump comprising a pump body (10), a pump housing (22) within which at least part of the pump body is located, a gallery (30) defined between the pump body and the pump housing, the pump body having a pump outlet (26) whic...  
WO/2014/079413A2
Proposed is a vane-type pump (1) having - a housing (3), - a rotor (5) which can be driven in rotation, - which rotor has a number of slots (9), - which slots each receive a displaceable vane (17), wherein - delivery cells (19, 21) of va...  
WO/2014/001138A3
The invention relates to an internal gear pump (1) for a hydraulic vehicle brake system. According to the invention a pump shaft (2) is axially decoupled by means of a drive shaft (20) between a drive motor and the internal gear pump (1)...  
WO/2014/067545A1
The invention refers to an automotive electric liquid pump (10) with a pump housing (12) and a rotor (13) defining the longitudinal rotor axis (17). The automotive pump (10) comprises • an electric motor (20) including stator coils (22...  
WO/2013/127626A3
Pump arrangement (20) for conveying a fluid, with a housing (22), with a first rotatably mounted pump member (24), and with a second rotatably mounted pump member (26), wherein a fluid-conveying effect is produced by means of a relative ...  
WO/2014/060418A1
A pump assembly comprises an inlet (10) having an open end, an outlet (12) having an open end and a housing (11) having an inlet aperture (31) in fluid connection with the inlet (10) and an outlet aperture (32) in fluid connection with t...  
WO/2014/057649A2
A dual outlet pressure pump comprising a first pump entity (10) and a second pump entity (20), whereby a dual pump housing (17) comprises a first pump rotor cavity (36) and a second pump rotor cavity (39) separated by a diaphragm (37) wi...  
WO/2013/120488A3
The invention relates to a method and to a device for fixing and synchronising rotary pistons (12) in a rotary piston pump (10). The rotary pistons (12) are housed in the pump chamber (14) of the rotary piston pump (10). A shaft stub (16...  
WO/2013/164111A3
The invention relates to an internal-gear pump (1) having a leg spring as separator (7) between a suction side (8) and a pressure side (9). The invention proposes to configure middle regions (a, b) of legs (13, 14) of the separator (7) t...  
WO/2013/087068A3
The invention relates to a sealing device comprising a relatively dimensionally stable, elongated friction and/or wear element (11, 21) and an elastically-deformable elongated sealing element (12, 22), which rests lengthwise on the frict...  
WO/2014/050724A1
A variable-capacity vane pump, provided with: a rotor that is rotationally driven; a plurality of vanes slidably accommodated in the rotor; a cam ring having an inner circumferential cam surface against which the distal ends of the vanes...  
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/2013/057112A3
Feed units are already known which have a first toothing part and a second toothing part which each interact with one another via a toothing and the axes of which are set obliquely with respect to one another, wherein the first toothing ...  
WO/2014/042626A1
A submersible fluid system for operating submersed in a body of water includes an electric machine and a fluid-end. The fluid-end includes a fluid-end housing having an inlet to a fluid rotor, the fluid rotor coupled to the electric mach...  
WO/2013/130313A3
The present disclosure is a rotary internal combustion engine, comprising an outer stator shell which forms several equal-sized stator chambers and an oscillating axle which forms several pistons corresponding to the stator chambers and ...  
WO/2014/024701A1
Provided is an internal gear pump which can be manufactured at low cost with fewer mechanical processing steps and which also has a high safety factor in functioning. This internal gear pump (1) has a trochoid (4) in which an inner rotor...  
WO/2014/008886A1
The invention relates to a rotary piston machine comprising a jacket (11) with an inner jacket surface (7) and side parts (23, 24) which define a housing, a rotor (8) which is arranged on a shaft (12) in such a way that it can rotate ins...  
WO/2013/139504A3
The invention relates to a vane-type pump (10) having a housing (12), having a displaceable stator (16), and having a rotor (18) that is rotatable within the stator (16), wherein the stator (16) is displaceable in the housing (12) in a d...  
WO/2013/185751A1
The invention proposes a pump having a stroke ring (3) which has an axial recess (5), having a rotor (7) which is received in the axial recess (5) so as to be rotatable relative to the stroke ring (3), wherein the rotor (7) has radial re...  
WO/2012/079982A3
The invention relates to an axial washer (13) of a gear-type pump (1), in particular an internal gear pump. According to the invention, a seal (23) which surrounds a pressure area (22) of the axial washer (13) is applied to the axial was...  
WO/2013/000745A4
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/2013/181997A1
An external flatbed fuel pump fuel-dispensing plate (2), which is entirely single-shot injection molded from a PPS plastic material. The fuel-dispensing plate obviates therein an existing metal inner sleeve. Also disclosed is an impeller...  
WO/2013/182486A1
The invention relates to a brake module for a gravity conveyor, which brake module has a first shaft and a hydraulic pump, and parts of the hydraulic pump suitable for conveying liquids are connected to the first shaft. In order to provi...  
WO/2013/185127A2
A variable displacement vane oil pump for use in a vehicle powertrain includes a mechanical drive coupled to a first portion of a rotor and an electrical drive coupled to a second portion of the rotor such that the variable displacement ...  
WO/2013/023916A3
The invention proceeds from a rotary piston machine (2) which operates as pump, compressor or motor, having a first rotor (4) and a second rotor (6), wherein the first rotor (4) is arranged so as to lie opposite the second rotor (6). The...  
WO/2013/083740A3
A rotary positive displacement pump comprising a pump housing (2) that has a rotor casing (4) with an inlet (401) and an outlet (402), wherein a first rotor (6) and a second rotor (7) are arranged in the rotor casing (4) for effecting pu...  
WO/2013/172409A1
A conventional multistage oil pump is formed entirely of iron-based materials, so there is a problem in that the weight of the pump is large. In this multistage oil pump (1), rotors (6, 7) are connected in series. A rotor case (4) is for...  
WO/2013/172410A1
Conventional oil pumps cannot be used when the pressure and the temperature are high. In this oil pump (1), two rotors (6, 7) are connected in series in the direction of the axis of rotation. The rotors (6, 7) are housed separately with ...  
WO/2013/163987A1
The present invention relates to a rotary piston pump for conveying fluids and for conveying fluids containing solid materials. The rotary piston pump consists of a pump housing which is provided with an inlet and an outlet. The pump hou...  
WO/2013/000745A3
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/2013/045302A3
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/2013/157306A1
In the present invention the tooth profile of an inner rotor (2) is formed by the envelope of a group of arcs of a trajectory circle (C) the center of which is on a trochoidal curve (TC) described by a point separated from the center of ...  
WO/2013/152706A1
The present invention relates to a rotor pump (10), comprising: a pump body (50A) capable of being rotatably driven and forming an accommodation cavity (52) therein; a pump wheel (20, 20A) having a main body part (22) capable of rotating...  
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/2013/146178A1
An oil supply device having: a low-pressure purge pump (separation pump) (2) that separates pre-processed oil, which contains air and is in an oil pan (1), into a first processed oil and a second processed oil having a higher air content...  
WO/2013/146177A1
This invention has: a rotor (11) in which a plurality of slit grooves (12) are formed in a radial shape; a vane (21) housed in each of the slit grooves (12); a cam ring (31) arranged on the outer periphery of the rotor (11) and provided ...  
WO/2012/152924A3
The invention relates to an apparatus for sealing off, in particular in the region of a shaft feedthrough, a pump space of a rotary piston pump with respect to a fluid-free region of the rotary piston pump, wherein the apparatus has two ...  
WO/2013/141010A1
A variable-capacity vane pump having an oscillating cam ring, a discharge port being formed so that the absolute value of the difference between a discharge port starting end line incline angle and a discharge port final end line incline...  
WO/2012/018878A3
A fluid device (10) includes a displacement assembly (16) and a balance plate assembly (14) disposed adjacent to the displacement assembly (16). The displacement assembly (16) includes a ring (28) and a rotor (26) disposed in a bore (34)...  
WO/2012/094460A4
In an oil-sealed bearing assembly in the bearing section of a mud motor, in which a mandrel (20) is rotatably disposed within a cylindrical housing (30), a cylindrical sleeve (90) is disposed coaxially and rotatably around the mandrel (2...  
WO/2013/127464A1
The invention relates to a sealing arrangement (1) for conveying devices, in particular for gear pumps, in which an inner space (5) can be sealed off from an outer space (6), wherein the sealing arrangement comprises at least two parts (...  
WO/2013/127182A1
A vane pump and a method utilizing the vane pump for conveying a fluid. The vane pump is provided with a cylindrical pump housing (5). The pump housing (5) is provided therein with: a drive shaft (1), a rotor (3) sleeved on the drive sha...  
WO/2013/125339A1
The present invention addresses the problem of providing an electric pump configured so that the heat of the pump unit or of the coil which drives the pump unit is not transmitted to a control unit. The electric pump is provided with: a ...  
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/2013/120483A1
The invention relates to a rotary piston pump, comprising at least two double-winged or multi-winged rotary pistons rotating in opposite directions, the drive shafts of which are provided with seals, wherein the seals are configured as s...  
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...  

Matches 401 - 450 out of 8,343