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Patent Searching and Data


Matches 601 - 650 out of 8,541

Document Document Title
WO/2011/012350A3
The invention relates to an internal gear pump (1) comprising an integrated electric motor (2), especially for a motor vehicle, for conveying a fluid, said gear pump comprising an internal toothed wheel (5) comprising an internal annular...  
WO/2011/074477A1
Disclosed is a gear pump wherein a driving rotor (2) driven by a drive source and a driven rotor (3) driven by the driving rotor are rotated while meshing with each other, to transfer working fluid. Only one of the driving rotor (2) and ...  
WO/2010/115518A3
The invention relates to a bearing sleeve for a gear machine having an inner surface as a sliding surface and an outer surface as a retaining surface for insertion into a bearing housing. In order to improve the bearing seat, the outer s...  
WO/2011/057345A1
The present invention relates to an apparatus which may be in the form of a pump or compressor and which can function to compress or accelerate a fluid such as air, gas, gaseous mixtures and/or liquid. In particular, the invention provid...  
WO/2011/057348A1
The present invention relates to a compressor or pump unit for the production or flow of compressed fluid and more particularly to a new uniquely designed compressor which has the capabilities to both draw fluid from an intake opening an...  
WO/2010/132154A3
A pump adapted for coupling in a fluid circuit between a source of coating material and a dispensing device. The pump includes an operating member which extends through a pump housing to a location adjacent the fluid circuit. The passage...  
WO/2010/122299A3
A pump comprises a housing (10, 210, 300, 410), the housing having an interior defining a rotor path (10, 210, 300, 410), an inlet (111, 211) formed in the housing (10, 210, 300, 410) at a first position on said rotor path, an outlet (12...  
WO/2011/046591A1
An internal combustion engine (1 1) drivably connected to a variable displacement and variable internal compression ratio supercharger (18) that supplies varying amounts of air to the engine air intake manifold (12) that can range select...  
WO/2010/126651A3
A pump system includes inlet chambers, an outlet chamber, and rotors disposed inside the inlet chambers and the outlet chamber to pump a process fluid from the inlet chambers to the outlet chamber and to direct the process fluid to a sep...  
WO/2011/035971A2
The invention relates to a pump (1) having an electrical motor (2), in particular for a motor vehicle, for delivering a fluid, comprising an impeller (5) having delivery elements (7), by which impeller a rotational movement can be perfor...  
WO/2011/036959A1
A drive device configured in such a manner that members for defining and forming a pump chamber can be joined to each other while requiring a low degree of liquid-tightness. A drive device is provided with a pump cover which is, while be...  
WO/2010/121866A3
A pump unit is provided with: a drive shaft (4) which is mounted such that it can rotate in a pump body (3) in order to operate both a piston pump which can feed a fuel, preferably diesel fuel, to an internal combustion engine, and a gea...  
WO/2011/029656A1
The invention relates to a pressfit connection (8) of a shaft (12) to a drive or driven element pressed thereon, characterized in that at least part of the shaft (12) comprises an axially extending recess at least in that axial longitudi...  
WO/2010/086267A3
The invention relates to a rotary piston engine comprising at least two rotors, a power component and a blocking component, which interact and which have spur gearings the number of teeth of which differs by one tooth, the rotors and an ...  
WO/2011/030849A1
An electric pump unit which is compact and is reduced in weight and cost. An electric pump unit is provided with a pump chamber (9) which has an oil suction opening (18) and an oil discharge opening (19) and is formed within a motor stat...  
WO/2011/016467A1
Disclosed is an electric pump unit for a transmission, provided with a pump which takes in and discharges oil, and an electric motor for pump drive which has: a motor shaft coupled to the pump; a motor rotor provided fixed to the motor s...  
WO/2010/078892A3
The invention relates to a pump (1) for delivering a fluid, particularly a metering pump (1) for metering a coating agent in a coating system, having a pump inlet for feeding the fluid, a pump outlet for discharging the fluid, a rotatabl...  
WO/2011/009216A1
A pump comprises a housing having an inner contour and defining an ovaloidal chamber with a rhomboidal rotor assembly positioned therein and being configured to rotate. The housing includes intake and exhaust ports in communication with ...  
WO/2010/060416A4
The invention relates to sliding vane pumps having a rotor which is mounted in a pump housing and driven by a shaft, a plurality of vane plates mounted on the outer periphery of said rotor and an outer ring surrounding the rotor and the ...  
WO/2010/123556A3
A fluid vane pump is provided which includes a housing providing a generally cylindrically walled control volume wherein the control volume has an inlet and outlet. A rotor is provided having a rotatable axis within a cylindrical wall co...  
WO/2010/148486A1
A device includes a ring having a tubular interior surface centred about an axis. The surface includes a plurality of axially extending, inward Iy- projecting ridges. On opposite sides of each ridge is a first port and a second port. A r...  
WO/2010/034491A3
The invention relates to a device for branching a fluidic partial flow off a main flow by means of a hydraulic pump (10), said device comprising individual main chambers (12,14,16,18,20) which are sealed from each other and divided into ...  
WO/2010/060416A3
The invention relates to sliding vane pumps having a rotor which is mounted in a pump housing and driven by a shaft, a plurality of vane plates mounted on the outer periphery of said rotor and an outer ring surrounding the rotor and the ...  
WO/2010/133339A1
The invention relates to a device for delivering a fluid in a hydraulic circuit (motor-pump aggregate), comprising a hydraulic pump disposed within a hydraulic circuit and driven by a drive motor, wherein the hydraulic pump (3) is connec...  
WO/2010/124541A1
A high-speed large-torque hydraulic blade motor, including a stator (1), a rotor (2), blades (3) and springs (7), where each blade (8) is arranged in the blade groove on the rotor (2). A spring (7) is disposed on the bottom of each blade...  
WO/2010/121866A2
A pump unit is provided with: a drive shaft (4) which is mounted such that it can rotate in a pump body (3) in order to operate both a piston pump which can feed a fuel, preferably diesel fuel, to an internal combustion engine, and a gea...  
WO/2009/150537A3
Rotary lobe pump and circumferential piston pump designs are disclosed where the drive and driven shafts are detachably connected to their respective rotors. The rotors are disposed in a pump or rotor casing, which is sandwiched between ...  
WO/2010/113410A1
Provided is a rotor drive mechanism wherein the dimension of a pump device in the longitudinal direction thereof is decreased and the volume of a fluid storage space within a casing is decreased; and the accuracy of a discharge rate can ...  
WO/2010/108959A2
Rotary pump intended to pump a fluid in a system on board a vehicle and comprising a stator, a rotation axle attached both to a mechanical pumping element and a magnetic rotor, and electrical connections. According to the invention, the ...  
WO/2010/072476A3
The invention relates to a pump unit (10) comprising a housing (12), which has a first housing part (20) and a second housing part (22) with at least one pump element (28) in the form of a gear (34), housed between the first housing part...  
WO/2010/103701A1
Provided is a uniaxial eccentric screw pump which can prevent the life of a bearing sliding portion from decreasing due to a thrust load applied from a high pressure side to a low pressure side. In the uniaxial eccentric screw pump (1), ...  
WO/2010/103993A1
Provided is a uniaxial eccentric screw pump which can prevent the life of a bearing sliding portion from decreasing due to a thrust load applied from a high pressure side to a low pressure side. In the uniaxial eccentric screw pump (1), ...  
WO/2010/057838A3
The invention relates to a fuel pump, especially the prefeed pump for feeding aircraft fuel to the high pressure pump, wherein the form-fit connection between the drive shaft (4) and the driven impeller (2) is produced by a regular, conv...  
WO/2010/019337A9
A pump rotor (40) for a screw pump, comprising a shaft (42), a thread (44) on the shaft, the thread comprising a groove (48) disposed on an outer surface thereof, and a seal (50) disposed in the groove. The seal and the groove are config...  
WO/2010/096924A1
An electric vane pump includes a first cover plate having a substantially planar first pump surface and a second cover plate coupled to the first cover plate defining a substantially planar second pump surface spaced apart from and exten...  
WO/2010/095505A1
Provided is an internal gear pump having an excellent seize resistance. An inner gear (30) driven by a rotary shaft (20) and an outer gear (40) are accommodated in a housing (10). The outer gear (40) functioning as an internally-toothed ...  
WO/2010/089614A1
The elastic rotor (Fig.1), composed of elastic spring (6) with one end firmly connected to shaft (13) and with the other end to carrying shell (5) via bearing (4), and of pressure shell (3) connected to sliding plate (8) by holders (9) w...  
WO/2010/084537A1
A cover-equipped stator for a uniaxial eccentric screw pump is configured such that a condensate liquid accumulated between the outer surface of a stator and the inner surface of the cover when a high-temperature fluid is caused to flow ...  
WO/2009/127831A3
A stator (5) for use with a drill rotor (3), the stator (5) formed at least in part by a ceramic and/or cermet reinforced alloy material.  
WO/2010/078892A2
The invention relates to a pump (1) for delivering a fluid, particularly a metering pump (1) for metering a coating agent in a coating system, having a pump inlet for feeding in the fluid, a pump outlet for discharging the fluid, and a r...  
WO/2010/070211A1
The invention relates to a device (1) for pressurising a fluid to be combined with a rotary power takeoff of a vehicle including a casing and at least one multiplication stage (4), said device comprising a frame (5) bearing at least one ...  
WO/2010/012607A3
The invention relates to an oil pump of an automatic motor vehicle transmission, which oil pump is arranged, in an off-axis design, axially parallel to a central input shaft of the transmission, and the primary rotor of which oil pump is...  
WO/2010/058234A1
A pump wherein at least a first engaging surface is formed on the housing adjacent to the pumping chamber. At least a second engaging surface formed on the pumping mechanism that frictionally engages the first engaging surface during mov...  
WO/2010/057838A2
The invention relates to a fuel pump, especially the prefeed pump for feeding aircraft fuel to the high pressure pump, wherein the form-fit connection between the drive shaft (4) and the driven impeller (2) is produced by a regular, conv...  
WO/2010/051640A1
A submersible electric pump includes a housing adapted to be submerged within a fluid to be pumped having apertures extending therethrough. An electric motor stator is positioned within the housing in communication with the apertures and...  
WO/2010/045906A2
The invention relates to a pump, particularly a vane-type pump, comprising a rotor guiding at least one vane and resting against at least one pressure plate, which has at least one pressure through-hole and at least one under-vane throug...  
WO/2010/044416A1
An electric pump unit reduced in size, weight, and cost. An electric pump unit is provided with a motor rotor (20) extending outward radially from one end of a pump drive motor shaft (16) which is supported in a unit housing (1) by a be...  
WO/2010/040919A1
The invention relates to a rotary machine with a deformable rhomb, comprising a rotor (3) consisting of a deformable rhomb (4) contacting, with or without any clearance, the inner surface of a housing (1) and/or the outer surface of a ce...  
WO/2010/034491A2
The invention relates to a device for branching a fluidic partial flow off a main flow by means of a hydraulic pump (10), said device comprising individual main chambers (12,14,16,18,20) which are sealed from each other and divided into ...  
WO/2009/135587A3
The invention relates to a pump (1), especially a vane-cell pump with a variable conveyor volume, said pump comprising a pump housing (3) and a lift ring (17) which is arranged in the pump housing and surrounds a rotor interacting with a...  

Matches 601 - 650 out of 8,541