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Patent Searching and Data


Matches 201 - 250 out of 13,003

Document Document Title
WO/2021/244710A1
The invention relates to a rotary vane compressor assembly (10) for compressing a fluid for a pneumatic adjusting device (12) of a vehicle seat (14). The rotary vane compressor assembly (10) comprises a rotary vane compressor (22) having...  
WO/2021/241067A1
A vane pump (100) according to the present invention comprises: a rotor (2) that is linked to a drive shaft (1); a plurality of vanes (3) that are provided to the rotor (2) so as to be capable of reciprocating motion in the radial direct...  
WO/2021/229315A1
A fluid pumping system comprises a housing, an electric motor, a rotatable first input, a rotatable second input driven by the electric motor, a gerotor including an inner rotor, an outer rotor; and a cam ring in sliding receipt of the o...  
WO/2021/229336A1
A fluid pumping system for a vehicle having an internal combustion engine comprises a housing, an electric motor, a rotatable first input adapted to be driven by the internal combustion engine, a rotatable second input driven by the elec...  
WO/2021/219471A1
A gear pump comprising a housing (1) with a spur-toothed drive gear (4) and a spur-toothed idle gear (5) that are mounted rotatably around two parallel rotation axes within the housing (1) with bushings (8), a connecting flange (2) that ...  
WO/2021/219605A1
The invention relates to an eccentric screw pump having a stator (10) located in a pump housing; a rotor (20) located in the stator (20); a drive unit comprising a drive motor (40) and a drive shaft (30) which connects the drive motor to...  
WO/2021/208874A1
A mechanical partition dual cam volumetric pump, comprising a pump body (1). A water inlet (102) and a water outlet (104) in communication with each other are provided on the pump body (1). A dual cam rotor (2) and a partition (3) are mo...  
WO/2021/209222A1
The application relates to an internal gear machine (10) for reversing duty having a housing (12) with a chamber (14), in the chamber (14) there are disposed an externally toothed pinion (16) and an internally toothed ring gear (18), whi...  
WO/2021/198060A1
A rotary positive displacement pump (1) for pumping a fluid product. The pump (1) having a front side (17) and a rear side (18) and comprises a main body (2) providing rotational support to a pair of parallel, axially extending, shafts (...  
WO/2021/194187A1
The present disclosure provides a variable-capacity gerotor pump. The variable-capacity gerotor pump comprises: a casing having a cylindrical shape and comprising at least one pumping chamber having at least one fluid inlet/outlet formed...  
WO/2021/184344A1
A variable displacement pump, a variable speed driving device formed of the pump, and a driving method of the driving device. Inside an impeller pump, a fixed wall piece (21), a movable wall piece (22), and a movable vane chamber sleeve ...  
WO/2021/176510A1
[Problem] To provide: a gear pump or a gear motor in which a component constituting a casing is positioned with high precision; and a method for manufacturing the gear pump or gear motor. [Solution] A gear pump 10 or a gear motor compris...  
WO/2021/175675A1
A pump assembly for a fluid delivery system for an internal combustion engine, the pump assembly comprising; a pump housing which defines an internal fluid pathway between an inlet and an outlet of the pump housing; a first gear and a se...  
WO/2021/170653A1
A rotary drive (1) comprises at least one stage, the at least one stage comprising a stator (4) and a rotor (6), the rotor (6) disposed within the stator (4), wherein a cavity (16) is defined between the stator (4) and the rotor (6), and...  
WO/2021/164843A1
The present invention relates to a device (1, 30) for recirculating an at least partially gaseous composition containing hydrogen, wherein the device (1, 30) is a dry rotary pump comprising a first rotary shaft (13) and a second rotary s...  
WO/2021/164422A1
Disclosed is an operation structure for a positive displacement pump, a motor and a flowmeter. The operation structure contains a shell and a rotating wheel assembly, wherein the rotating wheel assembly is provided with a main rotor (5),...  
WO/2021/166683A1
This pump device comprises: a drive shaft member (6); a rotor (8) which is rotated by the drive shaft member and has an insertion hole (83) into which the drive shaft member is inserted, and a slit (80); a vane (81) provided in the slit ...  
WO/2021/152767A1
[Problem] To provide a gear pump or a gear motor in which a liquid fills tooth grooves more readily. [Solution] A gear pump (10) comprises: a gear comprising a casing (12), a gear storage compartment (14), an intake passage (16), a disch...  
WO/2021/150240A1
An improved screw pump such as, for example, a twin screw pump, includes a casing including an internal chamber, and first and second rotors rotatably positioned within the chamber of the casing. The first and second rotors have an inter...  
WO/2021/144117A1
The invention relates to a pump/motor unit (1) comprising: - a pump (10) having a pump chamber (15) and a conveying element (11), which is arranged in the pump chamber (15) and is rotatable about an axis of rotation (D); - an electric mo...  
WO/2021/137364A1
The present invention relates to a Moineau pump-type quantitative liquid-discharging apparatus. The present invention comprises: a stator having a slot hole formed therein; a main shaft comprising a first shaft part and second shaft part...  
WO/2021/132885A1
An objective of the present invention is to provide a variable vane oil pump that enables a position, where a cylinder ring and a guide member are in contact with each other, to be constantly positioned on the center line of the cylinder...  
WO/2021/130858A1
A rotary pump equipped with a pump rotor which has a flat lateral rotor surface facing the axial direction, also equipped with a housing main body which has an axial-direction opening and a flat flange surface formed around the opening, ...  
WO/2021/130855A1
Provided is a rotary pump including: a pump rotor having a flat first rotor side surface that faces one side in the axial direction and a flat second rotor side surface that faces the other side in the axial direction; and a housing that...  
WO/2021/130862A1
Provided is a crosslinked fluororesin-coated rotor manufacturing method by which an outer rotor of an internal gear pump is manufactured, the crosslinked fluororesin-coated rotor including: an annular outer rotor having an inner circumfe...  
WO/2021/130863A1
A method for producing a crosslinked fluorine resin coating pump rotor having a flat rotor lateral surface, and being provided with a coating layer of a crosslinked fluorine resin on the rotor lateral surface, the method comprising: scre...  
WO/2021/132445A1
Provided is a refrigerant compressor comprising an oil pump capable of drawing up lubricating oil in an oil pan and then supplying the oil to a sliding location, regardless of the direction of rotation of a rotating shaft. The present in...  
WO/2021/126766A1
A crescent member is disclosed which is configured to be in constant contact with outer and inner gear teeth to prevent unwanted fluid backflow between the gears. The crescent member may be part of a low-pressure fuel pump system for a d...  
WO/2021/126909A1
A drilling motor system for drilling a subterranean well includes a stator tube, the stator tube being an elongated tubular member with a central stator bore. A stator elastomer layer is located within the central stator bore, lining a w...  
WO/2021/115524A1
The invention relates to an electric-motor-driven hydraulic pump actuator (1) with two plate-like housing bodies (3, 4) which are connected sealingly to one another with the interposition of an intermediate plate (5) in order to form a h...  
WO/2021/116378A1
Improved bushing assembly (10) for supporting the shafts of the intermeshed rotors of a positive displacement rotary pump avoiding, jamming, said bushing assembly (10) comprising on a lateral surface (13) thereof at least one compensatio...  
WO/2021/118533A1
An improved screw pump such as, for example, a twin screw pump is disclosed. In one embodiment, the screw pump includes a casing, first and second intermeshing rotors, and a liner positioned between the first and second rotors and the ca...  
WO/2021/113907A1
A hydraulic device is disclosed. The hydraulic device can include a rotor, a plurality of vanes and a ring. The ring can include a suction cavity and a pressure cavity. The suction cavity and pressure cavity can be configured for ingress...  
WO/2021/112327A1
The present invention relates to a rotor having a cooling function and, more specifically, to a rotor having a cooling function for cooling down a friction area by circulating a supplied fluid in order to prevent a phenomenon in which, w...  
WO/2021/112919A1
A rotor catch system includes a catch stem having a proximal end coupled to a rotor of a mud motor system and a distal end positioned within a sub housing of a drill string, a catch feature having a top portion and a spindle portion exte...  
WO/2021/109759A1
A triangular rotor pump, comprising a housing, the housing comprising a side wall (100), and a first end cover (210) and a second end cover (220) respectively disposed at two ends of the side wall (100), and further comprising a triangul...  
WO/2021/105362A1
The present invention relates to an apparatus able to pump grease or similar viscous fluids. The apparatus comprises a positive displacement pump unit comprising two serially connected pumps and a central or intermediate part forming a f...  
WO/2021/108301A1
The present disclosure relates to a friction reduction tool having a housing for connecting the friction reduction tool to a drill string or coiled tubing; a force converter within the housing and having a stator, a helical rotor, and a ...  
WO/2021/107538A1
The present invention relates to a hydraulic pump which is attached to a device receiving the supply of hydraulic pressure and supplies the hydraulic pressure, in order to provide the hydraulic pump including two discharge ports and havi...  
WO/2021/101063A1
This pump comprises: a housing; a stator which is disposed in the housing and comprises a coil; and pump gears disposed so as to correspond to the stator, wherein the pump gears comprise an outer gear and an inner gear, which is disposed...  
WO/2021/099502A1
The invention refers to an eccentric screw pump with a rotor (2) and with a rotationally fixed stator (6; 6') surrounding the rotor (2) and comprising at least one elastomeric portion, wherein a pressure chamber (16) is arranged on said ...  
WO/2021/098921A1
A multiple-flow vane cell pump (10) has at least two points (openings 28) along the rotational direction of the rotor (30), at which two points substantially the same pressure prevails during operation, and which two points are spaced ap...  
WO/2021/101062A1
A pump comprises: a housing: a stator disposed inside the housing; a pump gear which is disposed to correspond to the stator and which includes an external gear and an internal gear; and a magnet disposed on the external gear, wherein th...  
WO/2021/101065A1
This pump comprises: a housing; a second cover coupled to the housing; a stator disposed inside the housing; a pump gear disposed so as to correspond to the stator; and magnets disposed on the pump gear, wherein the pump gear comprises a...  
WO/2021/101064A1
This pump comprises: a housing comprising a body and a first partition which separates first and second areas; a stator disposed in the housing; a circuit board disposed in the first area; a pump gear disposed in the second area; and mag...  
WO/2021/099550A1
The invention relates to a fluid machine (1; 1a; 1b; 1c), in particular a hydraulic machine, which comprises at least one working chamber (14; 14a; 14b; 14c), wherein a rotor (3; 3a; 3b) is rotatable by a torque or by a fluid that flows ...  
WO/2021/099893A1
A medical system includes a medical instrument including an irrigation and aspiration channel to carry irrigation fluid to, and remove aspirated matter from, a distal end of the medical instrument, a reservoir to store the irrigation flu...  
WO/2021/094087A1
The invention relates to a progressive cavity pump, comprising at least: a stator (1); a rotor (2), which rotates in the stator (1); a drive (3); a pump housing (4), which is connected to the stator (1) and has at least one inlet opening...  
WO/2021/089456A2
The invention relates to an adding system for fire-extinguishing units for producing a mixture of extinguishing agent and extinguishing agent additive (premix) by adding an extinguishing agent additive, in particular a foaming agent, to ...  
WO/2021/086603A1
Cooling circuit (24) for a vehicle, in particular a motor vehicle, this circuit having a pump (26) having at least one rotor that is driven in rotation by a motor (33) and configured to force the circulation of cooling liquid in the circ...  

Matches 201 - 250 out of 13,003