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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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)...
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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 ...
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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...
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WO/2007/031084A1 |
A hydraulic machine (1) is specified which has a working section (2), a shaft (8) in torque-transmitting connection with the working section (2), and a braking arrangement (9) acting on the shaft (8), this braking arrangement comprising ...
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WO/2007/026109A1 |
The invention relates to a rotary lobe pump (1) comprising a housing (2) enclosing a chamber (3), rotors (10) positioned in the chamber and at least one curved radial wearplate (13) positioned in the chamber between a rotor and a wall (4...
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WO/2007/022830A1 |
The invention relates to a pulsation reducer for a hydraulic system (10), especially for a hydraulic power-steering system of a motor vehicle. Said pulsation reducer comprises a shock absorber chamber (16), the volume of hydraulic fluid ...
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WO/2007/020722A1 |
A double/triple-start type uniaxial eccentric screw pump enabling the overhang of a rotor to be almost eliminated and a reduction in the overall length thereof, in the length of a pump casing, in the size of a bore, and in size and weigh...
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WO/2007/014540A1 |
The invention relates to a double flow screw-spindle pump which is supported at multiple points for feeding single-phase and multi-phase mixtures, having at least one drive spindle (5) and at least one running spindle (7) which in each c...
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WO/2007/004503A1 |
An internal gear type pump (80) with a built-in motor, comprising a pump part (81) sucking and discharging a working fluid and a motor part (82) driving the pump part (81). The pump part (81) comprises an inner rotor (1) having gears for...
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WO/2006/134337A1 |
The invention relates to a variable output rotary internal gear pump such as a gerotor pump (4), which pump has an outer annul us (16) and two inner rotors (10, 12) that are relatively rotationally adjustable. The annulus (16) is directl...
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WO/2006/129657A1 |
A motor-integrated internal gear pump that is inexpensive and highly reliable while maintaining characteristics of small size and inexpensive functions. The motor-integrated internal gear pump (80) has a pump section (81) with an inner r...
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WO/2006/122359A2 |
A hydraulic pump assembly (1) for pumping fluid from a first location to a second location, the assembly having a chamber (3) having an inlet (16) and an outlet (42); a hydraulic motor (2) housed within the chamber (3); a progressing cav...
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WO/2006/120138A1 |
The invention relates to a fuel pump comprising a housing (6), an electric motor (1) arranged in said housing (6) and provided with a stator (7) and a rotor (8) having a shaft (9). The shaft (9) extends to the area of a pump stage (2) an...
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WO/2006/104512A1 |
An internal gear fluid displacement pump. The fluid displacement pump includes an outer gear having internal teeth disposed about an inner surface thereof, an annular element constituting the rotor of an electric motor, this element havi...
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WO/2006/099745A1 |
A pump is disclosed which has a housing with a upper end and a lower end. A conduit is defined through the housing between the upper and the lower ends. The pump includes an fluid displacer within the housing, an inlet from the conduit t...
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WO/2006/097092A1 |
The invention relates to a rotary piston machine (1) comprising a drive part (13) and a driven part (18) that are driven by an electric motor (2), the end faces of said parts meshing in an interlocking manner in order to transport a medi...
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WO/2006/095673A1 |
A vane pump (100), comprising a cam ring (18), a rotatable rotor (19) disposed in the cam ring (18), a plurality of vanes (20) stored in a plurality of vane grooves radially formed in the rotor (19) and slidably moving along the cam surf...
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WO/2006/077121A1 |
The invention relates to a hydraulic pump (8) for a power steering system, comprising a pump component that is to be sealed and a first pump cover (10). A planar sealing element is provided between the pump component that is to be sealed...
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WO/2006/075364A1 |
[PROBLEMS] Local stress concentration caused by rotational moment transmitted from a crankshaft is eased. [MEANS FOR SOLVING PROBLEMS] A crankshaft (6) and an installation hole (5) have a substantially hexagonal cross-sectional shape hav...
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WO/2006/075363A1 |
[PROBLEMS] Local stress concentration caused by rotational moment transmitted from a crankshaft is eased. [MEANS FOR SOLVING PROBLEMS] A crankshaft (6) and an installation hole (5) have two connection sections (12, 12, 22, 22) for connec...
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WO/2006/063583A2 |
The invention relates to a compact eccentric screw pump comprising a sliding articulation. The long-lasting operation of the pump is ensured by a plurality of functions. According to the invention, both the reaction pressure resulting fr...
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WO/2006/015574A1 |
The aim of the invention is to improve the sealing possibilities between the elastic stator lining and corresponding connecting flanges of eccentric screw pumps. In order to increase the sealing surfaces, the stator lining comprises, at ...
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WO/2006/015571A1 |
The invention relates to an eccentric screw pump which comprises a stator (2) and a rotor (1) rotating therein as well as a drive motor for driving the rotor. The armature (3) of the drive motor is non-rotationally linked with the rotor ...
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WO/2006/015218A1 |
A nonmetallic pump with a gear pump assembly having an adapter spool (93) mounted to an electric motor. The pump assembly is designed to reduce manufacturing costs and to provide access for many service and maintenance tasks to be perfor...
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WO/2005/121557A1 |
Disclosed is a motor/pump unit, especially for a power steering system, comprising a pump housing (14) and an intermediate housing (16). A pump that is provided with a first pump shaft (30) is accommodated inside the pump housing (14). T...
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WO/2005/119885A1 |
A frameless switched reluctance motor (SRM) has a stator sandwiched between two housings. Axial load on the rotor shaft is directed through a first bearing, through the first housing to the stator and through the second housing to a moto...
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WO/2005/111452A1 |
The invention relates to mechanical engineering and can be mainly used for the petroleum industry in submersible electric pumping equipment and for machine and mechanism drives. The aim of said invention is to extend the functional capab...
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WO/2005/108791A1 |
Pumps, in particular, sliding-vane pumps, roller cell pumps, or gear pumps, comprising a rotating assembly, with, amongst other things, a rotor (1) with radially-sliding vanes (43), rollers or gears and a driveshaft (17). The rotor (1) o...
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WO/2005/106252A1 |
A gear pump having a pump assembly (3) and casings (1, 2). The pump assembly has a drive side gear (10) supported by a drive shaft (10A), a driven side gear (11) supported by a driven shaft (11A), a pair of side plates (7, 8) arranged on...
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WO/2005/103488A2 |
A device for reducing parasitic loss of a fluid pump is accomplished by connecting the power supply driveshaft to the drive pump element through a clutch element. The clutch element engages the drive pump element and frictionally engages...
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WO/2005/100749A2 |
A magnetically driven gear pump having a housing, a rotatable annular magnetic drive assembly magnetically coupled to but spaced from an annular driven magnet and rotor gear assembly with an annular canister disposed therebetween, and wh...
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WO/2005/100780A2 |
A variable capacity pump/motor (100) has a meshing internal and external gear set (128, 124) disposed between an upper mandrel (140) and a lower mandrel (110), each including a flange (120, 144) extending towards the gears to divide a pu...
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WO/2005/094547A2 |
A pump assembly (100) having a pump housing (206 and 208) and a rotor (222) rotatingly disposed within the housing, the rotor having a plurality of slots (226). The pump assembly includes a plurality of vanes (224), each vane moveably di...
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WO/2005/095801A1 |
An inner rotor and an outer rotor that are components constituting an internal gear pump, the inner rotor having outer teeth and having excellent corrosion resistance, the outer rotor having inner teeth meshing with the outer teeth and h...
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WO/2005/093293A1 |
A gear assembly for transmitting torque from one shaft to another comprises two intermeshing gears mounted on respective shafts. One of the gears comprises a hub member for receiving one of the shafts, a toothed annular member mounted fo...
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WO/2005/093258A2 |
The invention relates to a hydraulic motor or pump of annular gear construction, with working chambers formed between an outer toothing (18) of an annular rotor (3) and inner toothing (19) fixed to the housing, which periodically expand ...
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WO/2005/080755A1 |
Improved gerotor pumps comprising laterally constrained floating rings (22), thereby providing an orthogonal degree-of-freedom and allowing gerotor sets (12) positioned therein to establish their own preferred mesh orientation, and addit...
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WO/2005/079302A2 |
The present invention is directed to a gear pump having a housing (10’) with an interior pumping chamber (200) and an inlet (40’) to and outlet (42’) from the chamber, the outlet being spaced from the inlet. A pair of rotating gear...
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WO/2005/078279A1 |
A motor-driven pump unit using a single shaft (main shaft (4)) which serves as the rotary shaft of the pump section and also as the rotary shaft of the motor section, wherein the rotor of the motor is of a construction (IPM construction)...
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WO/2005/068837A1 |
An extruder with a gear pump, which is excellent in response in rotation, in which cost of a device is low, and which is capable of cooling a material. The gear pump of the extruder has a drive pinion installed so as to be coaxial with a...
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