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Patent Searching and Data


Matches 701 - 750 out of 8,587

Document Document Title
WO/2008/148472A1
The invention relates to a vane pump having a rotor (15'), in which a plurality of vanes (18) is disposed in a radially displaceable manner. The vane pump has at least one first control opening (22) for the suctioning of pressure media i...  
WO/2008/146352A1
A pump that not only eliminates the occurrence of a response delay of relief valve to thereby secure a desired oil delivery rate but also attains a reduction of drive torque. The pump is pump (60) comprising relief valve (66) adapted to,...  
WO/2008/141714A1
A gear pump, particularly for power-assisted steering, has a housing (12) in which a pump chamber (18) is formed, and a pump cover (30) which forms the boundary of the pump chamber (18). The pump cover (30) is provided with a sound-absor...  
WO/2008/138656A1
The invention relates to a pump assembly (10) for the synchronous pressurization of two fluid columns comprising two internal gear pumps (11, 12) disposed together in a housing (13) and driven by a common drive shaft (14), the pinions of...  
WO/2008/135433A1
The invention relates to a fuel pump for an injection system of an internal combustion engine. An inner wheel (16) of a low pressure feed pump is non-positively and positively connected to a drive shaft (1) via a connecting unit (13). Th...  
WO/2008/135159A1
The invention relates to a gear pump (10), in particular for a power assisted steering system, comprising a housing (12) with an upper and lower flange (14, 16), in addition to a non-return valve (50) and a pressure limiting valve (52). ...  
WO/2008/135326A1
The invention relates to a gear pump having two meshing gear wheels (4, 5) configured of a driven gear wheel (4) and a gear wheel (5) moving along with the same. A rotatably supported drive shaft (7) is provided for driving the gear whee...  
WO/2008/117604A1
A vane pump in which a rotor is mounted off-center inside a pumping chamber of a casing, and multiple vanes or blades are positioned around an eccentric axis of the rotor to be free to slide radially. The rotor is made therein with multi...  
WO/2008/116983A1
The invention relates to a sealed device for transmitting a rotational movement inside a chamber (7) from a drive shaft (1) to a driven shaft (2), said drive shaft (1) including at least one input section (3) extending through a wall (14...  
WO/2008/113396A1
The invention relates to a lubricating pinion, particularly for a lubricating device, for the application of a lubricant pumped, for example, through a lubricant pipeline by a lubricating pump from a reservoir onto at least one gear whee...  
WO/2008/113712A1
The invention relates to a gear wheel pump with two meshing gear wheels which are rotatably mounted within a pump housing by means of a driven driveshaft and a crankshaft journal and which form a pumping channel system between a pump inl...  
WO/2008/110155A1
The invention relates to a pump or motor for fluid or gaseous media comprising a shaft (4), which faces a working part (13) and has a common inclined sliding surface (14) with the same, whereby the working part (13) limiting the pump wor...  
WO/2007/019018A3
A controlled-clearance sealing compressor device that provides precision rotor centering directly with respect to the stator housing, vane centering with respect to rotor (not the stator) and the dynamic balance design of the gliders req...  
WO/2008/080574A1
The invention relates to a planetary rotation machine comprising at least one ring channel (1) which is curved along an at least partial arc and contains a piston (2) that can be moved in a fluid generating a movement, said piston being ...  
WO/2008/075507A1
Provided is a single-shaft eccentric screw pump capable of feeding and charging a fluid with high flow rate accuracy, low pulsation and a long life. In this single-shaft eccentric screw pump (11), a male screw rotor (12) is fitted into t...  
WO/2008/070955A1
A rotary device comprises a stator and a rotor. The stator has a cam surface. The rotor has a sleeve and a hub. There is a plurality of vanes reciprocatingly mounted on the rotor. There is a plurality of first longitudinal edge seals dis...  
WO/2008/061749A1
The invention relates to a pump, especially a vane-cell vacuum pump, for motor vehicle servobrake systems, said pump comprising a rotor (7) which is rotatably driven by a drive by means of a wrap spring clutch (23).  
WO/2008/046005A3
A positive displacement pump (1) having a pump element having at least one variable volume displacement chamber (2), and a relief passage (7) for relieving pressure from the displacement chamber when the displacement chamber is decreasin...  
WO/2008/054244A1
The invention can be used in rotary vane pumps, hydraulic motors, hydrostatic differential gears and transmissions with high efficiency and at a high pressure. The inventive rotary vane machine is provided, in each power variable length ...  
WO/2007/120503A3
A variable displacement pump having an inner rotor (gerotor) and an outer rotor is disclosed. Advantageously, the pump provides a movable outer rotor capable of changing the amount of fluid transferred from an inlet to an outlet. Optiona...  
WO/2008/046423A1
The invention relates to an arrangement for transmitting torsional forces between a first part (11) which has an essentially planar, first bearing face, and a second part (12) which has an essentially planar, second bearing face (25) aga...  
WO/2008/047594A1
An electric motor stator is provided with a tube-like stator core, which has a plurality of teeth protruding inward in the diameter direction and slots formed between the teeth, and a coil arranged on the circumference of the teeth. An i...  
WO/2008/046828A1
The present invention relates to a rotary positive displacement pump for liquid medium having a main pumping mechanism driven by a magnetic coupling, said positive displacement pump further comprising an integrated, positive displacement...  
WO/2008/046005A2
A positive displacement pump (1) having a pump element having at least one variable volume displacement chamber (2), and a relief passage (7) for relieving pressure from the displacement chamber when the displacement chamber is decreasin...  
WO/2008/037525A1
The invention relates to a gear pump in which the amplitudes of the pressure impulses in a pressure chamber (26) can be significantly reduced by a suitable embodiment of a first groove (32) and/or a second groove (34).  
WO/2008/017543A1
The invention relates to an internal gear pump (1) for feeding a fluid, preferably fuel in an internal combustion engine, having an internally-toothed toothed ring (10) and an externally-toothed pinion (11) which meshes with the toothed ...  
WO2007128303B1
Proposed is an electrically driven rotary piston machine which operates as a rotary piston pump or rotary piston compressor, having a base housing (1) which holds an electric coil (2) and a pump head (3), wherein the pump working space i...  
WO/2008/012060A1
The invention relates to a geared pump for feeding products with high solid content such as granulate or animal feed, in which the two gear wheels (2) engaging with each other are enclosed in a housing (1) and are mounted, with the respe...  
WO/2008/000506A1
The invention refers to a Moineau type pump having at least one outer part (4; 44, 76) and one inner part (2; 42; 78) arranged inside the outer part (4; 44; 76), wherein at least one of the inner (2; 42; 78) and outer part (4; 44; 76) ac...  
WO/2007/143860A1
In a traditional displacement pump the volume of substances displaced or delivered is fixed due to the physical dimensions of the pump A variable displacement ring pump (10) is provided comprising a housing (12) circumscribing a pump cha...  
WO/2007/135261A1
According to the invention, the rotary pump consists of an external gear (13) with internal teeth (16) in the form of a squirrel cage, and an internal gear (9), housed in an off-centre manner in the interior of said external gear (13) an...  
WO/2007/131994A1
The invention relates to a gearwheel pump, composed of a housing having at least two gearwheels, which engage into one another, with in each case one shaft, which shafts are mounted in feed-medium-lubricated plain bearings, wherein a fee...  
WO/2007/128257A1
The invention relates to a delivery device, in particular a gerotor pump, for a fluid, in particular a cooling fluid, comprising a drive plane in which a drive device interacts with a displacer device, in particular a gerotor-external ro...  
WO/2007/129615A1
A trochoid pump (10) has a drive shaft (13), to one end of which a drive gear (17), which is a bevel gear, is fitted and through the other end of which an inner rotor (11) is penetrated, and also has an outer rotor (12), the center of wh...  
WO/2007/128303A1
Proposed is an electrically driven rotary piston machine which operates as a rotary piston pump or rotary piston compressor, having a base housing (1) which holds an electric coil (2) and a pump head (3), wherein the pump working space i...  
WO/2007/083232A3
A rotary fluid pressure device (11) includes an end cap (23) which is disposed rearwardly of, and adjacent, the fluid displacement mechanism (21 ). The end cap defines a piston cavity (103) in which is disposed a lock piston (105), which...  
WO/2007/087704A1
A traditional variable displacement vane pump must be designed to provide maximum fluid pressure and thus experiences reduced energy efficiency when the system operating conditions do not necessitate such high requirements. A variable di...  
WO/2007/083232A2
A rotary fluid pressure device (11) includes an end cap (23) which is disposed rearwardly of, and adjacent, the fluid displacement mechanism (21 ). The end cap defines a piston cavity (103) in which is disposed a lock piston (105), which...  
WO2007063569B1
Rotary volumetric machine, with one transmission shaft (5) connected to one rotor which is composed, at least, of one dislocator (2) sliding in the transmission shaft (5) inside a diametric rectilinear gas-tight guide (4), the dislocator...  
WO/2007/046509A3
A driving device (40) used for driving a clutch (Bl, B2) included in a transmission (30) mounted on a vehicle (10), said driving device (40) comprising: a first pump (MOP) that pumps a working fluid to be supplied to said clutch (Bl, B2)...  
WO/2007/068233A1
The invention relates to a rotary transmission leadthrough for passing a medium through between a fixed part and a rotary part rotable relative to the fixed part, wherein a stop device, in particular a stop disc, is arranged between the ...  
WO/2007/041224A3
A hydrogen G-cycle rotary vane internal combustion engine has a sodium vapor chamber transferring excess combustion heat into combustion chambers. An active water cooling system captures heat from the engine housing stator, rotor, and sl...  
WO/2007/063569A1
Rotary volumetric machine, with one transmission shaft (5) connected to one rotor which is composed, at least, of one dislocator (2) sliding in the transmission shaft (5) inside a diametric rectilinear gas-tight guide (4), the dislocator...  
WO/2007/060190A1
A positive-displacement pump according to the invention having a variable delivery volume has a housing in which is mounted a rotor which is enclosed by a cam ring. Formed between the rotor and the cam ring are working chambers which are...  
WO/2007/054056A1
The invention relates to a pump, in particular a vane pump for providing steering assistance, having a housing (1) and if appropriate a housing cover, wherein a pressure medium delivery device, for example a rotary group (3) of a vane pu...  
WO/2007/048382A1
The invention relates to a pump, in particular a vane pump, roller cell pump or pendulum slide pump, having at least one suction region, at least one separating region and at least one discharge region, wherein the suction region has an ...  
WO/2007/048380A1
The invention relates to a pump arrangement, in particular for lubricating oil pumps for internal combustion engines, having at least two pump devices which are arranged on a common driveshaft but can feed independently of one another, w...  
WO/2007/046509A2
A driving device (40) used for driving a clutch (Bl, B2) included in a transmission (30) mounted on a vehicle (10), said driving device (40) comprising: a first pump (MOP) that pumps a working fluid to be supplied to said clutch (Bl, B2)...  
WO/2007/039666A1
The invention relates to a gasket part for a pump to be used in conjunction with a bearing part (1) of the pump, through which there is arranged a drive shaft (2). According to the invention, the gasket part includes a mechanical gasket ...  
WO/2007/032703A1
A method of generating a surgeless fluid flow by rotating the rotor (2) of the rotor sliding-vane machine, separating the fluid in the transfer cavities (9) from the inlet cavity (6) by the vanes (4) , tranference the transfer cavities t...  

Matches 701 - 750 out of 8,587