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WO/2004/108522A1 |
A marine propeller drive (1) for boats, including a gearbox (10) for a motor transmission and an associated impelling propeller (12), where said propeller (12) is provided with a propeller hub (14), the main peripheral cross-section dime...
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WO/2004/108354A1 |
A front engagement face 27f of a front engagement member 27 and a rear engagement face 29f of a rear engagement member 29 are respectively configured to be located a little back from a virtual plane VF coplanar with one side of a platfor...
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WO/2004/108525A1 |
Variation in the contours of first and second compliant surfaces is produced by a compliant frame having a first resiliently variable frame element (120) having a corresponding first outer surface (122) and a first inner surface (124), a...
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WO/2004/103811A1 |
A hollow type impeller for a water surface shifter is disclosed. The hollow type impeller includes a hollow tube-impeller assembly having a hollow tube and an impeller formed on the inner peripheral surface of the hollow tube. The impell...
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WO/2004/103809A1 |
A propeller has a frustro-conical hub (1) which, in use, is configured to taper inwardly towards the front of the craft to which it is attached, a pair of propeller blades (3) being attached to and extending substantially perpendicularly...
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WO/2004/097183A1 |
A turbine nozzle segment 1 of a turbine nozzle assembly comprises a plurality of stator vanes 7, an arc-like inner band 9 integrally molded at the inner end of a plurality of the stator vanes 7, an arc-like outer band 11 integrally molde...
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WO/2004/092010A1 |
The inventive rotor propulsor for moving in air or water environment is provided with a traction plate embodied in the form of a truncated cone having two covering lids. The top lid of said cone is provided with a medium suction orifice....
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WO/2004/092008A1 |
Based on the law of dynamic water-separation, in this invention, a new type of front-mounted booster water-separation propeller has been designed to raise a vessel's speed by reducing resistance from water and increasing the advance forc...
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WO/2004/087498A1 |
A ringed propeller is disclosed which has a central hub (12) and a ring (40) surrounding the hub (12). Blades (30) extend between the hub (12) and the ring (40) so the blades (30) are completely enclosed by the ring (40). The ring (40) h...
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WO/2004/074088A1 |
The invention relates to a ship's propulsion system, especially for a large, sea-going ship, comprising a master machine, preferably a diesel engine which drives a first propeller by means of a propeller shaft as a main shaft. Said syste...
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WO/2004/074680A1 |
A power generator assembly incorporates a series of four blades (1) of vane-like form. Each blade (1) is mounted on a shaft (2) in a support structure incorporating an integral cog wheel (3). Each of the four cog wheels (3) are linked by...
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WO/2004/067377A1 |
The invention relates to a boat drive comprising a jet rotor which is essentially in the form of an outer tube (10) to be driven in such a way that it can rotate about its rotor axis (4). Axially conveying vanes (8) are fixed to the inne...
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WO/2004/065211A1 |
The inventive propelling device can be used for moving in an air or water medium. The inventive propelling device consists of a cylindrical body provided with flat lids having a section which is radially cut out away from the axis of rot...
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WO/2004/063571A2 |
A circulator device comprising a large diameter fan having reinforced fan blades with a tapered airfoil shape is disclosed. The fan blades may be formed using an extrusion method of fabrication, wherein each fan blade (316) may comprise ...
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WO/2004/056654A1 |
In a counter rotating propulsion system (CRP), whereby the aft propeller (22) and the forward propeller (6) have opposite directions of rotating and the aft and forward propellers are arranged against each other, the forward propeller is...
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WO/2004/050474A1 |
The inventive boat (1) comprises a rocking bar (4) which can be actuated by a muscular force and whose lever arms (6, 7) are respectively connected to a support (10,11) by means of a swing joint arm: Said support (10, 11) can be raised a...
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WO2002055381A9 |
A personal watercraft that includes at least one stepper (18,19). Each stepper (18,19) is pivotally associated with a propulsion member (24) that is moveable in a generally vertical direction so that the propulsion member (24) is in a fi...
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WO/2004/026681A1 |
This invention provides a multi-mode propulsion glide submarine, which is capable of operating on or beneath the surface of the water. It utilizes wind force which is abundant at sea and is regenerable energy as driving force, and it is ...
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WO/2004/026679A1 |
Variable resistance water skis are characterized by minimum resistance of their bottom side in water during movement in one direction and maximum resistance in water during movement in the opposite direction (Figure 3). The blade of vari...
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WO/2004/020279A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/020278A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/020280A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/011330A1 |
A novel concept for a propeller blade configuration incorporates the model of the natural wave behavior. The leading edge (3) of the propeller blade has a convex segment (8) followed by a concave segment (6), as seen in a plan view. The ...
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WO/2004/002817A1 |
A rotor assembly (10) for a propulsion unit or a generator is described. The rotor assembly (10) includes a tubular member (12) defining a fluid inlet (13a) and a fluid outlet (13b), a central shaft (11), and at least two vanes (15). The...
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WO/2004/001267A2 |
The present invention features a fluid flow regulator (210) that functions to influence fluid flow across a surface such as a rotating or rotary device, including propellers, impellers, turbines, rotors, fans, and other similar devices, ...
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WO/2004/000640A1 |
A pulling marine propeller (1) comprising multiple propeller blades (4) attached to a propeller hub (5), said propeller hub (5) being attachable to a propeller shaft (9) extending from a drive housing (10) located downstream of the prope...
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WO/2003/106839A1 |
The invention relates to a wind power plant comprising at least one rotor (1) which is provided with at least one rotor blade (2) or several rotor blades (2). Said rotor blade (2) is connected to a rotor shaft (3) so as to cooperate ther...
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WO/2003/099652A1 |
A lift generating and propelling device capable of solving such problems with a conventional one that the device is stalled at a certain speed or higher to lower a thrust and, to supplement the lowered amount of the thrust, the sizes of ...
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WO/2003/093101A1 |
A propeller or propeller blade is manufactured using lattice block material to provide a structure which is generally hollow but for a three-dimensional lattice of support spars. The propeller or propeller blade, being predominately holl...
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WO/2003/092843A1 |
A fish−shaped underwater navigating body comprising a tail part turning unit provided in a tail part of the body, a pair of first side turning units provided on a lower part of a forward side of the body, and a pair of second side turn...
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WO/2003/091094A1 |
A watercraft board which can be safely and conveniently used for water sport is disclosed, the watercraft board including a board having handles on its both sides, a propulsion load with one end axially coupled to one end of the board an...
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WO/2003/086855A1 |
The invention relates to a device for converting rotational movement into a self-rotating movement of two working levers (3,4) defining a truncated cone and vice-versa. Said device comprises a lever bearing arrangement (2) which can rota...
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WO/2003/087572A1 |
THE INVENTION RELATES TO A BLADE FOR USE ON A WIND TURBINE AND A METHOD OF ASSEMBLING LAMINATED PROFILES (3, 5) FOR A BLADE FOR A WIND TURBINE. THE DEVELOPMENT TOWARDS INCREASINGLY LARGER BLADES REQUIRES, THAT THE TECHNOLOGY OF MANUFACTU...
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WO/2003/082669A1 |
A thruster (14) for use in underwater applications, including a stator assembly (16) having an encapsulated set of coils and a rotor assembly (18) having an encapsulated set of permanent magnets. Two ring-shaped rotor bearings (40), inco...
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WO/2003/082668A1 |
A feet-propelled water vehicle (10) including a buoyant body (14) having a user-supporting platform (60) attached to a rigid frame (78,80) secured to a pair of pontoons (88). A pair of propelling paddles (20,22) is attached to the rigid ...
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WO/2003/076224A2 |
A channel-wing-ducted propulsor (30) high-lift combination is provided with additional high-lift generating devices (40) and the optional further combination of an ejector nozzle (43) for enhanced thrust which all may be provided with me...
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WO/2003/076797A1 |
Disclosed is a hydraulic turbomachine which is characterized by the fact that it comprises a runner that is provided with a plurality of rotor blades and other flow-influencing components which have leading edges and trailing edges. The ...
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WO/2003/070567A1 |
Disclosed is a seagoing boat which is driven by at least two rudder propellers and has a hull for transporting cargo or passengers. Said rudder propellers are preferably embodied as electric rudder propellers (PODS) (3). The hull has an ...
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WO/2003/064860A1 |
The ribbon drive generation apparatus is comprised of a ribbon-like curved shape, composed either of metal or other suitable material, attached to a central axle with the complete apparatus being contained in a tube (10) having a constan...
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WO/2003/062671A1 |
The apparatus comprises a drive means (2) mounted on a fixed support (1), which is cinematically connected to the hollow running shaft (4) by means of transmission means (3) (belt drive, chain transmission and the like) where the running...
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WO/2003/062048A1 |
The invention relates to a device that converts the rotation of a shaft (1) into a reciprocating movement comprising two translation and rotation components, said components being synchronised with a phi phase difference which drives a p...
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WO/2003/056139A1 |
A rotor comprising a hub (112) supporting a blade (111), the blade (111) having an axial extent and extending transversely outwardly from the hub to define a first (114) and second surface (115) of substantially corresponding configurati...
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WO/2003/052298A1 |
A toggle joint pedal boosting mechanism, which is known as a high output mechanism used for a manual press and a metal shear, capable of developing a high drive force of a pedal by eliminating such a problem with a conventional manual dr...
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WO/2003/051709A1 |
A self-guided apparatus for repelling birds through various means of deterrence. The device comprises a chassis, a floatation assembly, a propulsion system, and a guidance and control system. The device may operate in either of at least ...
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WO/2003/042034A1 |
The invention relates to a paddle-wheel propulsion (1) for freighters, whereby the paddle-wheel propulsion (1), comprising at least one paddle wheel (2), is arranged at the stern (3) of the ship and is height-adjustable. According to the...
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WO/2003/030329A1 |
The invention relates to a method for operating a wind park; consisting of several wind power plants. The wind part is connected to an electric supply network into which the power produced by the wind park is fed and the wind park and/or...
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WO/2003/026954A1 |
The invention relates to a system for utilisation of a sinusoidal pattern of movement for propulsion or energy recovery. The system comprises a plurality of rigid hull elements, completely or partly submerged, arranged in a row, rotatabl...
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WO/2003/013954A1 |
A line cutting device for use with a hydrodynamic propeller has a blade (5) fixed to a vessel having the propeller. Three rotating blades (22) extend from a hub fixed around the propeller's shaft. The fixed and rotating blades are arrang...
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WO/2003/014853A1 |
A fluid flow control mechanism is provided for linearizing a fluid flow. The mechanism includes a frame having a cylindrical outer baffle which rotatably supports a plurality of propeller elements thereon. Each propeller element defines ...
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WO/2003/010045A1 |
The invention relates to a ship provided with at least one propeller (2), wherein pressure fluctuations and mechanical strain imposed upon the hull of the ship are substantially reduced by providing an insulating air cushion (12) in at l...
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