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WO/2001/087121A2 |
The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment the application is directed to an inflatable device (10)...
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WO/2001/074419A1 |
The invention relates to a paracardial blood pump. A component of the housing (10) pertaining to the inventive pump protrudes through the cardiac wall into the heart and suctions blood from the heart. The blood is pumped into one of the ...
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WO/2001/066170A1 |
The invention relates to a blood pump, especially to a ventricular heart-assist pump, comprising a blood chamber which is provided in a pump case and which is configured for accommodating a rotor that can rotate around a rotor axle. An i...
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WO2001009486B1 |
A ribbon drive power generation system and method is disclosed. The system is equipped with an extended tube (16) having an intake at a first end and an outlet at a second end. A ribbon (14) formed of helical coils is mounted in the tube...
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WO/2001/009515A1 |
A ribbon drive pumping apparatus and method for liquids is disclosed. The pump has an extended tube (14) having an intake at a first end and an outlet at a second end. A ribbon (12) formed of helical coils is mounted in the tube for rota...
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WO/2001/009516A1 |
A ribbon drive propulsion apparatus and method for water-borne vessels such as surface craft and submersibles is disclosed. The vessel is equipped with an extended tube (14) having an intake at a first end (A) and an outlet at a second e...
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WO/2001/007760A1 |
A rotary blood pump comprising at least one rotor (1), a housing (3) and at least one conduit (16) in the rotor for conducting a by-passed portion of the blood into a clearance (9) between the rotor and the housing, the portion of blood ...
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WO/2001/007787A1 |
A continuous flow axial-flow pump (1) for impelling a fluid under a continuous pattern without kinetic side effects to minimize and eliminate damage to fluid, the pump comprising first (2) and second (4) axially adjacent rotors rotating ...
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WO/2000/079129A1 |
A bladeless pump having a cylindrical fluid pumping element (120) which rotates within a cylindrical housing (100). The fluid pumping element (120) and the cylindrical housing (100) are coaxial with one another. The housing (100) has an ...
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WO/2000/074812A1 |
The invention relates to a degassing centrifugal apparatus such as a pump and to a process for pumping and degassing a fluid. The apparatus has a rotatable hollow rotor (20) connected to a stationary fluid inlet (14) at one end and a sta...
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WO/2000/074811A1 |
The invention relates to a degassing centrifugal apparatus such as a pump having energy recovery means and to a process for degassing a fluid. The apparatus has a rotatable hollow rotor (20) connected to a fluid inlet (14) at one end and...
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WO/2000/074748A1 |
This invention is a non-contact axial flow turbo blood pump for propelling blood, which is composed of a pump housing (24) that defines a pump axis, with inlet, outlet openings at opposite axial ends of the pump housing, a rotor unit (17...
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WO/2000/064031A1 |
The invention relates to a rotor device (1) in which a rotor (3, 30, 32, 36, 42) interacts with a fluid. The invention is characterized in that: a) the rotor device (1) comprises a support tube (2); b) a rotor (3, 30, 32, 36, 42) is moun...
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WO/2000/064030A1 |
The invention relates to a device for delivering single-phase or multiphase fluids without altering the properties thereof. The aim of the invention is to provide a device for carefully delivering single-phase and multiphase fluids which...
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WO/2000/062842A1 |
The invention relates to a device for the axial transport of fluid media, in accordance with the preamble of claim 1. The aim of the invention is to create a device for the axial transport of fluid media whose external diameter is not, o...
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WO/2000/062841A1 |
The aim of the invention is to provide a device for axially delivering fluidic media such that said device exhibits a low-friction sealing, which does not generate any turbulences, between the stationary tubular hollow body and the rotat...
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WO/2000/009886A2 |
A fluid pump (110) includes a housing (112) having a passage therethrough with an inlet (116) and an outlet (120). An impeller (124) is positioned within the housing (112) and includes an impeller axis (126), an inlet side (128) and an o...
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WO/2000/006907A1 |
A rotation device (1) comprises: (a) two passages (3, 4); (b) a rotor (8); (c) a stator (13) comprising: (c.1) a first central body (14) with an outer surface (15) which co-bounds a medium passage space (27) with stator blades (19) which...
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WO/2000/005503A1 |
The present invention relates to a screw pump of the type comprising a screw (1) rotatably arranged in a housing the threads of which screw are partially in engagement with a rotatable sealing device (11) comprising radial sealing discs ...
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WO/1999/027256A1 |
A pump and, in reverse operation, a motor, for pumping viscous fluids is disclosed, comprising a rotor and stator each having opposite handed threads, and a fluid path between them, one of the stator motor having a solid body, typically ...
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WO/1998/050701A1 |
The invention relates to a delivery unit supplying fuel in an automobile. The inventive device has an electric motor (1) with guide blades (11) arranged on the casing of a rotor (4). When the rotor (4) rotates, the guide blades (11) cove...
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WO/1998/048167A2 |
Provided in accordance with the principles of the present invention, in one preferred embodiment, is a pumping system (90). The system includes a housing (108) rotatably supporting a tube (112), with a plurality of magnets (116) located ...
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WO/1998/042981A1 |
The invention relates to a combined wind and solar power installation with particularly high availability. In accordance with the invention, an operating shaft is driven by both a vertically turning wind rotor and by an electric motor fe...
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WO/1998/015739A1 |
An impeller pump for moving large volumes of liquid against heads of up to 1 meter is formed by a substantial circular housing having its axis substantially vertical in which an impeller is mounted for rotation on the central axis. The i...
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WO/1998/011650A1 |
The invention concerns a rotary pump (3) having a housing (9) and a rotor (2) with blades (1b) which is placed inside the casing. The rotor (2) comprises a passive magnetically active rotor part (1) and the housing (9) is surrounded by a...
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WO/1997/049440A2 |
A rotary pump for pumping fluids through a patient having a housing with an internal region, a stator member and an impeller positioned within the housing and having impeller blades, wherein the impeller is magnetically suspended and rot...
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WO/1997/039244A1 |
Vaned rotary apparatus, which may either be fixed or mounted for rotation, comprises an external casing (11) through which, in use, fluid is constrained to pass, characterised in that a plurality of inwardly-extending vanes (12) are carr...
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WO/1997/037698A1 |
The blood pump proposed has a motor housing (20) and a pump housing (32) which are rigidly connected to each other, spaced a certain distance apart. Both housings (20, 32) have essentially the same diameter of only about 6 mm, thus enabl...
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WO/1997/037696A1 |
The blood pump proposed has a motor housing (20) and a pump housing (32) which are rigidly connected to each other, spaced a certain distance apart. Both housings (20, 32) have essentially the same diameter of only about 6 mm, thus enabl...
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WO/1997/030249A1 |
A material outfeeding device intended for working vehicles and including a bin (1) that is defined by two longitudinal side walls (3, 3') connected with each other via a bottom (2), a front end portion (5) and a rear end portion (4) that...
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WO/1996/032591A2 |
The present invention relates to a device for pumping a moist pulp and may be used in the wood-pulp and paper industry for conveying a highly concentrated pulp. The proposed pump comprises a body (1) having a hopper (2) for receiving a p...
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WO/1996/032588A1 |
Disclosed is a pump (1) that employs a magnetic coupling to connect the motor (2) to the impeller (20). A simplified structure within the pump (1) casing is employed to enable the easy removal of the pump's impeller (20) and bushings and...
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WO/1996/031937A1 |
A compressor (10; 100; 200; 300; 500) with a build-in reciprocating motor, comprises a cylindrical housing (20; 120; 210; 510) with two ends thereof fitted with tow opposing electromagnets (30; 130; 230; 530), each has a circular inner p...
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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/1996/019668A1 |
The invention relates to a pump for medium, for instance a liquid pump or a fan, comprising: a central hub (2); a plurality of blades (3) to this hub (2), which blades (3) take a form such that when driven rotatably round the axis of the...
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WO/1995/035457A1 |
For fitment into the stuffing box of a centrifugal pump. A spiral-groove is cut on the outer surface of the rotor of a pair of tapered bearing surfaces. The groove is 0.02 mm deep, 2 mm wide, and its circumferential length is 50 cm. Barr...
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WO/1994/018458A1 |
An axial-flow pump combined with an electric motor coaxially arranged therearound. The rotor (1) and stator (2) are common to both the electric motor and the pump. The rotor comprises a central tubular portion (11) defining a central cha...
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WO/1994/009274A1 |
A sealless centrifugal blood pump (10) is provided in which a rotatable impeller (64) is supported in a pump housing (12) by fluid bearings (30, 182) during operation. Rotational movement of the impeller (64) is accomplished with an inve...
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WO/1994/006486A1 |
A heart pump (1) having a housing (2) with a central longitudinal axis, inlet means (203) and an outlet means (201) is disclosed. A stationary shaft (4) extends axially within the housing (2) and the means (16, 17) are provided for suppo...
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WO/1993/011998A1 |
A driving shaft (10) is disclosed for a hydrojet having a stator (21) and a rotor (20) enclosed in a housing (18, 19) with an inlet and an outlet nozzle. The bearing located upstream is designed as a force transmission member (K) that al...
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WO/1993/007391A1 |
A pump comprises a housing (28) with a hollow rotor (21) within the housing and means (22) for feeding driving fluid to the rotor interior. The rotor (21) is provided with nozzles (24) forming jets of driving fluid supplied from its inte...
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WO/1993/004288A1 |
A contra-rotating pump or compressor unit is made axially compact by moving the fluid along concentric annular flow path portions between which the flow direction is reversed. The unit can comprise concentric contra-rotating sleeves (31,...
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WO/1993/000260A1 |
A pump (7) is submerged in the cargo medium (8) in a ship's tank (9) for circulation of the cargo medium (8) through a cargo refrigeration arrangement (15, 16) which is submerged in the cargo medium. Rotor (14) of the pump (7) and drive ...
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WO/1992/021388A1 |
The present invention refers to a pump particularly suitable for pumping blood and biological fluids, the innovative structural conception of which renders the pumping effected by flared rotors more efficient. The pump (1) comprises a ho...
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WO/1992/015788A1 |
A vertical pump (1) having spiral blades (10, 11 and 12) fixed to the distal end of the main shaft (2) thereof. One or more spiral blades (10, 11 and 12) are arranged to be well-balanced with respect to said main shaft (2) of the pump, w...
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WO/1992/014928A1 |
A motor/blood pump which axially pumps blood to a patient connected to a heart/lung machine includes a cylindrical pump housing (21), a rotor (10) located in the housing, at least one impeller blade (44) attached to the rotor (10), a pai...
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WO/1992/006301A1 |
An integrated centrifugal pump and motor is provided by an impeller disk which contains permanent magnets and functions as the rotor for a brushless DC motor. The rotor is supported by non-contacting radial bearings and is hydrodynamical...
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WO/1991/013258A1 |
A self-priming device for pumping a carrier fluid from a first to a second enclosure (5), comprising a (depression effect) self-priming pump including an endless screw (1) attached to a core (30) in order to form threads which define a s...
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WO/1991/011618A1 |
The present invention provides a motor driven pump comprising a tapered pump member (3) and a funnel shroud (12) with a large end and a small end fitted over the tapered pump member. The pump member is reversible in its direction of oper...
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WO/1989/009342A1 |
The machine as described has one vane (12) formed as a hollow spiral and at least one blade (11) located around the rotation axis of said machine, contained in a circular casing (14) surrounding the rotor externally, comprising: said bla...
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