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WO/2001/079702A2 |
A fuel pump for use in conjunction with a gas turbine engine is disclosed which includes a pump housing, a shrouded rotor member, and an inlet post member, wherein fluid is axially supplied along the pump centerline and then radially dis...
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WO/2001/071193A1 |
The invention relates to a feed pump comprising two rings of vanes (13, 14), which delimit buckets (15, 16), are placed in a driven impeller (4), encircle in a concentric manner with regard to one another, and comprise different angular ...
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WO/2001/071192A1 |
The invention relates to a feed pump, which is designed as a side channel pump or peripheral pump, comprising two rings of vanes (13, 14) which are placed in an impeller (4) and which encircle in a concentric manner with regard to one an...
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WO/2001/046564A1 |
An impeller assembly comprising a first reinforcing backing plate (9) fixedly attached to a central hub (15), a stacked array of parallel disks (2) fixedly attached to the first reinforcing backing plate, wherein the disks possess a cent...
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WO/2001/020169A1 |
The invention relates to a feed pump (2) which is configured as a side channel pump. According to the invention, a blade chamber (12, 13) of an impeller (5) comprises a contour formed by a radius (R) of which the beginning of the radius ...
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WO/2000/079133A1 |
The inventive liquid pump has a blade wheel (10), which is provided with blades (12) and which is rotationally driven in a pump chamber. The pump chamber is limited by wall parts (24) in the direction of the axis of rotation (18) of the ...
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WO/2000/070189A1 |
The present invention relates to a rotary eddy machine that comprises a stator (1) and a rotor (2) separated by a toroidal working chamber (3). The chamber includes a plurality of vanes (4) and a separator (5) which are respectively conn...
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WO/2000/068577A1 |
The aim of the invention is to improve the efficiency of a side channel machine which, at the same time, is easier to produce and assemble. A side channel machine with at least one running wheel (4) that is rotationally mounted in the ho...
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WO/2000/060231A1 |
The invention relates to a housing for a fuel pump (1) driven by an electric motor, notably for a device for delivering fuel. On the commutator side of the housing a connecting cap (5) for electrical contacts (3, 4) as well as pump inlet...
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WO/2000/047899A1 |
The invention relates to a delivery pump (2) which is configured as a side channel pump, comprising a driven impeller (4) which rotates in a housing (3). A liquid to be delivered is conveyed to guide blades (6) in the impeller (4) from t...
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WO/2000/047898A1 |
A fluid pump, wherein an impeller (21) is installed rotatably in a pump housing comprising a pump cover (5) and a pump body (18), an inlet port (19), a body groove (31), a partition (33), and a shield wall (37) are formed on a pump body ...
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WO/2000/043665A1 |
The invention relates to a supply device for fuel. Said device comprises a feed pump (7) which is driven by an electromotor. The device also comprises a housing (6) for accommodating the electromotor (8) and the feed pump (7) in the inte...
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WO/2000/043664A1 |
The invention relates to a fuel supply device. Said device is provided with a feed pump (8) driven by an electromotor (10) and a housing (11) for accommodating the electromotor (10), the feed pump (8) and a filter device (9, 19) that is ...
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WO/2000/040852A1 |
An electric fuel pump wherein blade members (31) on an outer circumferential portion of an impeller (30) are arranged in a divided and staggered manner on outer and inner surfaces of a partition wall (32) so that the outer circumferentia...
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WO/2000/004277A1 |
A rotary machine (10) has a casing (12) defining a space (19) therein. A fluid channel (22) is formed in the casing (12) and has a plurality of first channel portions (28) fluidically coupled to a plurality of second channel portions (30...
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WO/1999/063644A1 |
The invention relates to a fuel delivery system, comprising a side-channel pump which has a pump chamber (14) in a housing (13) and an impeller (16) in said pump chamber (14); and an electromotor (12) for driving the impeller (16). Said ...
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WO/1999/053203A1 |
A circumferential flow type liquid pump wherein a degassing passage (31) opened in a stepped portion-carrying state in a bottom wall portion (10) and extending radially inward is formed in the vicinity of an impeller (4) in an inner circ...
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WO/1999/047814A1 |
The invention relates to a multi-stage side-channel pump (1), especially for fuel for a motor vehicle, comprising at least first vane chambers (16) of a pre-stage (7) and second vane chambers (17) of a main stage (10). The multi-stage si...
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WO/1999/041504A1 |
The invention relates to a fuel delivery unit, comprising a regenerative pump and an electrical motor for driving said pump. The electrical motor has a stator winding, a permanent magnet (37) and a rotor (29). Said rotor (29) and a runni...
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WO/1999/034117A1 |
The invention relates to a side canal pump with a suction cover (10). The pump is used in a motor vehicle to deliver fuel. The suction cover (10) has a side canal (11) which runs radially around a rotation point (14) located in the sucti...
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WO/1999/028631A1 |
The invention relates to a fuel supply system comprising a feed pump (11) designed as a flow or side channel pump that has a pump chamber (14) formed in a housing (13), a rotor (16) arranged inside said chamber and an electric motor (12)...
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WO/1999/024719A1 |
The invention relates to a side channel centrifugal pump with a housing forming a side channel (1). The housing surface adjacent to the side channel forms a front face (13) adjoining the impeller. The transition edge (2, 3, 7) between th...
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WO/1999/018356A1 |
The invention relates to a delivery pump (2) for delivering fuel in a motor vehicle, comprising an impeller (7) with blade chambers (10, 10a, 11, 11a) which are delimited by guide blades (12, 13), and channels (14, 15) in the shape of in...
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WO/1999/013226A1 |
The invention concerns a turbine pump, in particular for a motor vehicle fuel tank, comprising a housing (100) forming a stator and a rotor (200) with blades (220, 230) mounted in rotation relative to the housing (100) and defining a pat...
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WO/1998/059173A1 |
The invention relates to a fuel supply unit with a supply pump (11) designed as a flow or side-channel pump, comprising a pump chamber (14) inside a housing (13), an impeller (16) located therein and an electric motor (12) driving the im...
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WO/1998/046886A1 |
Disclosed is a rotary vortical machine, comprising a stator (1) and rotor (2). These two elements define an annular working chamber (3) which is disposed between them and connected to ducts for supplying and draining a working medium. Th...
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WO/1998/026184A1 |
This invention concerns a jet pump, in particular, for delivering fuel from a fuel from a fuel tank of a motor vehicle. This jet pump has a pump chamber (16), an impeller (24) rotating within the pump chamber (16), and two parallel side ...
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WO/1998/017916A1 |
In a feed pump designed to feed fuel in a motor vehicle having two feed chambers (11, 12) facing each other, one of which is connected to an admission channel (18) while the other is connected to an outlet channel (19), the feed chamber ...
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WO/1998/009082A1 |
Provided in a pump housing (PH) surrounding an impeller (21) are an inlet port (19) and an outlet port (20), which are spaced away from each other in a rotating direction of the impeller (21), a pump flow passage (23) corresponding to va...
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WO/1998/009081A1 |
The invention relates to a feeding pump, particularly for fuel feeding from the petrol tank. The pump room contains a pump case defined by two radially extending spaced sidewalls (12), by a peripheral wall peripherally connected to both ...
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WO/1998/004833A1 |
A self-priming type centrifugal pump apparatus which is capable of performing suction transport of even a liquid containing viscous and bubbly sludge and solid foreign matters, affords full automatic operation by preventing invasion of t...
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WO/1997/046809A1 |
The set of equipment has a feed pump constructed as a turbo-pump (10), with an impeller (12) rotating in a pump chamber (24) and having a crown of blades (32) set about the rim on both its faces; these crowns of blades each form a side d...
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WO/1997/040275A1 |
In a peripheral pump with an impeller (2) rotating in a pump casing (1), friction losses are reduced by recesses (15, 16) in the faces (3, 4) of the impeller (2) interconnected by a channel (17). A slight leakage of the fluid to be conve...
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WO/1997/040274A1 |
The invention relates to a peripheral pump with an impeller (2) turning in a pump case (1) and with two delivery chambers (11, 12) extending on both sides of the faces (3, 4) and each having a circular cross-section. Said delivery chambe...
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WO/1997/039178A1 |
System for feeding a suspension, preferably a suspension of chips in a liquid carrier, to a pressurized vessel in a cellulose pulp mill, which system comprises at least one pump (25, 26) between a low-pressure part and the pressurized ve...
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WO/1997/024531A1 |
The invention concerns a unit for feeding fuel from the fuel tank of a vehicle to the engine, said unit set comprising an electric motor driving a flow pump (11) whose housing (16, 21) is rigidly connected to the housing (32) of the set ...
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WO/1997/008461A1 |
Modular-structure regenerative pump in which the sets of steps comprise a intermediate suction part (6), an intermediate delivery part (7), an impeller (10) and a casing (8, 9). In order to simplify construction, the intermediate suction...
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WO/1997/004898A1 |
According to the disclosed process, an insert (12) is set into a tubular part (10) through one of its front ends and comes to lie in the direction of a longitudinal axis (11) of the tubular piece (10) on a stop (24). The tubular part (10...
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WO/1997/005393A1 |
A peripheral pump for feeding fuel from the tank to the internal combustion engine of a motor vehicle has a rotary, circular cylindrical running wheel (12) arranged in a pump chamber (17) formed by at least two adjacent walls (18, 19). F...
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WO/1996/040555A1 |
A propulsion system for accelerating and directionally controlling a fluid having a continuous dynamic surface (40) for circulating through a fluid from an entrainment region (44) where fluid is introduced to the dynamic surface (40) to ...
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WO/1996/031934A1 |
The invention concerns a rotary machine which comprises a driven rotor (2) and an electric motor (4, 14), with a stator (4) and a driving rotor. The stator (4) is also in the form of an electromagnetic bearing (4, 14) for the driving rot...
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WO/1996/024770A1 |
The fluid pump is provided with a rotary-driven pump rotor with vanes mounted in a pump chamber which is bounded along the direction of the rotational axis (16) of the pump rotor by wall sections (20). In each wall section (20), an annul...
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WO/1996/024771A1 |
A side channel pump has an impeller (3) and a housing (1, 2) that closely encloses the impeller (3) on both sides in the axial direction and all around its circumference. Medium inlets and outlets are provided at the same axial side of t...
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WO/1996/024769A1 |
The flow pump is provided with a rotor disk (22) which rotates inside the pump chamber, is provided on its two axially aligned faces (28, 29) with a ring of vanes (30) between which are intermediate spaces (31), and co-operates with a pu...
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WO/1996/008654A1 |
A centrifugal pump for shear sensitive fluids includes a pump housing (10) defining an interior volume. An impeller comprising at least two vanes (40) is rotatably mounted in the housing (10). The impeller vanes (40), which preferably ar...
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WO/1995/006610A1 |
An improved apparatus (30) for transporting the metering particulate material (40) including a transport duct (36) having an inlet (32), an outlet (34), and at least one moving surface (31) located therebetween having a downstream facing...
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WO/1995/004224A1 |
A novel centrifugal pumping system is disclosed for supplying fuel to aircraft gas turbines. The system has a common rotor (12) with two different sets of impeller blades on opposite sides. A regenerative liquid-ring starting pump (18) i...
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WO/1994/029599A1 |
Apparatus for pumping slurry out of a reservoir (10) comprises outlet pipework (34, 32, 52) for carrying the slurry out of the reservoir (10) and a pumping arrangement (18, 30) for pumping the slurry from the reservoir (10) into the outl...
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WO/1994/029202A1 |
An apparatus (10) for transporting and metering particulate material including a transport duct having an inlet (14), an outlet (16), and at least one moving surface located therebetween having a downstream facing drive surface (56). The...
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WO/1994/013955A1 |
A fluid pump with a rotary impeller is disclosed which comprises an electromagnetically-driven, bearing-free, seal-free rotary impeller (16) levitated by localized opposed, magnetic forces and by fluid forces, or by localized opposed mag...
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