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Patent Searching and Data


Matches 401 - 450 out of 8,541

Document Document Title
WO/2014/187716A3
Pump units are known that have a drive shaft and a rotor, which is driven by the drive shaft and is arranged rotatably in a housing, the drive shaft having an oblique sliding plane, which interacts with the rotor and allows the rotor to ...  
WO/2015/018614A1
The invention relates to a coupling device for a metering pump, having a driveshaft (1) and a profiled shaft end (2). The profiled shaft end (2) is designed to be plugged to the metering pump in a rotationally fixed manner. The driveshaf...  
WO/2015/019859A1
Provided is a fluid-pump inner rotor which can be easily fitted to an outer rotor. The fluid-pump inner rotor is provided with: a rotor part provided with a through hole along a rotational axis; and a shaft part which is fitted into the ...  
WO/2015/021007A1
An improved vane pump assembly is provided. The vane pump assembly includes a housing with an open chamber that is circular in shape when viewed in cross-section and has an inner wall that surrounds the open chamber. A rotor is rotatably...  
WO/2015/016018A1
A Rankine cycle device includes a pump, a heat exchanger, an expander, a condenser, an operating fluid passage, a receiving chamber, a drive shaft, an operating unit, a shaft seal member, a shaft seal chamber, a supply passage, a dischar...  
WO/2015/015222A1
A rotary engine (10, 510) with improved cooling, and a MMC material for a rotary engine are provided. The rotary engine (10, 510), comprises a rotor (20, 520) having an interior and an exterior divided by a plurality of rotor faces (68, ...  
WO/2014/105486A3
A downhole submersible pumping system includes an adapter for use in connecting a first component to a second component within the downhole pumping system. The adapter preferably includes an upstream section configured for connection to ...  
WO/2014/208252A1
A Rankine cycle device (10) equipped with: a housing (21) having a pump chamber (27); a pump (11) having a pump shaft and a pump operation unit (30), with the pump operation unit being operated by the rotation of the pump shaft; an opera...  
WO/2014/111813A3
A variable displacement vane pump has a plurality of seals between the inner surface defining the housing's internal chamber and an outer surface of the control ring. The seals define a plurality of pressure regulating chambers comprisin...  
WO/2014/192363A1
This oil pump device comprises an internal combustion engine drive source that transmits the driving force of an internal combustion engine to an oil pump containing an inner rotor and an outer rotor, a motor that rotationally drives the...  
WO/2014/191253A1
Gear pump or hydraulic gear motor with helical toothing provided with hydraulic system for axial thrust balance. A gear pump (100) comprises a toothed driving wheel (1), a toothed driven wheel (2), a front flange (6) from which a project...  
WO/2014/055160A3
A fuel pump assembly and method of making the same is disclosed. The fuel pump assembly includes a brushless direct current (BLDC) motor and a circuit board formed as a discrete component from the BLDC motor. The BLDC motor includes a st...  
WO/2014/067988A3
The invention relates to a rotary piston pump, comprising a pump housing having a pump chamber, an inlet opening, an outlet opening, a first, multi-vane rotary piston, which is arranged in the pump chamber and is rotatably supported abou...  
WO/2014/170083A1
The invention relates to an internal gear pump (1) for a slip-controlled hydraulic vehicle braking system, which internal gear pump (1) has a pinion (2), an internal gear (3) and a separating piece (7) which is arranged between the pinio...  
WO/2014/117889A3
The invention relates to an internal gear pump (1) for a slip-controlled hydraulic vehicle braking system. According to the invention, a pump shaft (2) is mounted rotatably on one side of a pinion (9), and a ring gear (11) of the interna...  
WO/2014/168830A2
A mounting adapter (78) is disclosed for use with a gear pump (18). The mounting adapter may have a generally plate-like base member (98), and inlet and outlet ports (116, 117) both formed in the base member. The mounting adapter may als...  
WO/2014/064045A3
The invention relates to a method for compensating transverse forces acting on a spindle rotor (1) of a screw pump that delivers a medium to be delivered from a suction chamber (3) to a pressure chamber (5). A compensation force directed...  
WO/2014/079413A3
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/2014/154388A1
The invention relates to a pump (5) having an electric motor (4), more particularly for a motor vehicle, for pumping a fluid, comprising an impeller (18) that has pumping elements (19) and can carry out a rotary movement about an axis of...  
WO/2014/146190A1
In a rotor in rotor configuration, a pump has inward projections on an outer rotor and outward projections on an inner rotor. The outer rotor is driven and the projections mesh to create variable volume chambers. The outer rotor may be d...  
WO/2014/150917A1
A progressing cavity pump has a rotor (62) that moves in an eccentric motion, and is driven by a drive shaft (20) that rotates about a fixed axis. In order to connect the two a coupler (10) is proposed that comprises two parallel plates ...  
WO/2014/147914A1
This vane pump is provided with a rotor (11) which is disposed inside of a pump housing (2) and comprises slit grooves (12) radially formed on the outer periphery, a vane (21) which is housed inside of each slit groove (12), a cam ring (...  
WO/2014/141377A1
Provided is a hydraulic pump or motor equipped with an external gear pair composed of a drive-side helical gear and driven-side helical gear in meshed engagement with one another, a casing having at the interior a gear-housing chamber fo...  
WO/2014/141888A1
In the present invention, a variable-capacity vane pump is provided with a plate, an intake-side back-pressure port, a discharge-side back-pressure port, an addition groove, and a connection groove. The plate includes a rotor, a vane, a ...  
WO/2014/096202A3
A rotary piston pump (16) for delivering a fluid, comprising at least one rotor (52) with delivery elements (53), which rotor can perform a rotational movement about an axis of rotation (61), a working chamber which is provided on the ro...  
WO/2014/135563A1
A pump is formed by a housing (10) having an inlet (11) and an outlet (12) for a fluid. The housing (10) contains a rotor (13) provided with at least one surface recess (17a, 17b, 17c, 17d) that forms with an interior surface of the roto...  
WO/2014/131393A1
The invention relates to a screw pump with at least two parts. The first part comprises a housing and at least one screw system which is arranged in the housing and which can be rotationally driven. It also comprises a pressure area arra...  
WO/2014/131391A1
Disclosed is a screw pump for delivering a fluid medium. The screw pump comprises a pump housing for the medium to be delivered, said housing having an inlet and an outlet. Said screw pump comprises at least two screws. Said at least two...  
WO/2014/132977A1
A vane pump equipped with: a rotor; slits formed at the outer periphery of the rotor; vanes mounted in the slits; a cam ring having an inner circumferential cam surface with which the tips of the vanes make sliding contact; pump chambers...  
WO/2014/131392A1
The invention relates to a screw pump (1) for delivering fluid media, said screw pump comprising a pump housing (2) having an inlet channel (7) with a first longitudinal axis (L1) and an outlet channel (9) with a second longitudinal axis...  
WO/2014/121862A1
According to a first aspect of the invention, the present invention relates to a positive-displacement pump (1) with a variable delivery volume, in particular a single-stroke vane cell pump for a power steering system of a motor vehicle,...  
WO/2014/079888A3
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/2013/143535A3
The disclosure relates to a pin joint for eccentric screw pumps. The special design of the inner joint head of the pin joint, with its bores for the flushing liquid and the length of the joint pin, makes it possible also to carry out cle...  
WO/2014/112247A1
Provided is a pump device that can prevent an increase in pump device size and that can release static electricity arising at the pump unit side to the outside. The pump device (10) is provided with: a pump main body (21); a cover body (...  
WO/2014/074294A3
Embodiments of the present disclosure are directed toward a system including a trochoidal rotary device. The trochoidal rotary device includes a housing comprising an inner surface, a rotor having at least one bearing recess, a shaft ecc...  
WO/2014/103413A1
A composite fluid machine (11) is provided with a first storage chamber (S) located between a gear pump (30) and an expander section (40) in the axial direction of a drive shaft (21), and the first storage chamber (S) stores a liquid ref...  
WO/2014/096494A1
The invention relates to a gear pump having a sealed casing (100, 200) including a pump body (126) and a cover (156), comprising: a cavity in fluid communication with a suction area (140) and a discharge area (152); an inner gear wheel (...  
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...  

Matches 401 - 450 out of 8,541