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WO/2010/150499A1 |
A thrust generating device (10) immersed in water and generating thrust by expelling water, comprising: a first water-lubricated bearing (40) disposed so as to face one side surface and the outer peripheral surface of a rotor body (43) a...
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WO/2010/146610A1 |
The subject matter of this invention is a boat propulsion and steering system with fully submerged rotors that allows both the forward movement of the boat and its steering. The system proves particularly suitable for being installed on ...
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WO/2010/138073A1 |
The present invention relates to a propeller blade for a ship propeller comprising at least two interconnected portions, wherein one of said portions is a hub engaging portion and in that the periphery of a section area between said inte...
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WO/2010/134820A2 |
The present invention relates to a rim driven propeller unit for a vessel, where a number of permanent magnets are arranged round the propeller unit's rotatable rotor housing, comprising a number of propeller blades, and a number of perm...
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WO/2010/123481A1 |
Apparatus shears foreign matter that might entangle propellers and related structures on a moving vessel by action of a blade (3) rotating with the propeller that cooperates with a non- rotating blade (4) held close to the rotating blade...
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WO/2010/116770A1 |
Provided is a ship propulsion device which comprises a screw propeller using a fin-equipped propeller boss cap, the ship propulsion device having better workability and less weight than a ship propulsion device using a propeller boss cap...
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WO/2010/112663A1 |
This invention relates to a steering device for boats, consisting of a power source, such as an electric motor (1), which is connected to a blade (2), which can be actuated by the motor (1) to move in the water so as to transmit a propul...
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WO/2010/114794A1 |
The present invention is directed to a turbine comprising a pair of opposing end discs concentrically aligned with a central axis of the turbine and a plurality of blades extending between the end discs. At least one end discs is adapted...
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WO/2010/115064A2 |
An aeration control system and method for a marine vessel. The system includes a valve configured to be coupled to an aeration conduit of a marine vessel. The valve is configured to be responsive to a valve control signal having a first ...
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WO/2010/106831A1 |
Provided are a ship propulsion device consisting of a screw propeller which uses a fin-equipped propeller boss cap, and a ship provided with the ship propulsion device. The ship propulsion device and the ship provided with the ship propu...
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WO/2010/098814A1 |
An improved wind turbine is proposed employing a horizontal axis rotor mounted on a tower support system. The control system for the turbine can control not only the yaw angle of the nacelle and the pitch angle of the blades, as in conve...
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WO/2010/093305A1 |
The present invention relates to a propulsion device for a surface going water craft which is attached to the vessel's transom or under the bottom and includes a in the water immersed electric propulsion motor in a water protected housin...
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WO/2010/086463A1 |
The invention relates to a boat propeller. Traditionally, propellers for boats are formed by a hub from which extend a plurality of equiangularly-distributed blades, normally four. The blades are attached to the hub by means of screwing,...
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WO/2010/081283A1 |
A turning flat propeller includes an outer rotary shaft (1), a paddle (2), a fixed shaft (3) and an inner rotary shaft (4). The paddle and the inner rotary shaft are mounted in the outer rotary shaft and the fixed shaft. Rollers (7) and ...
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WO/2010/082865A1 |
The invention can be used as a propelling device, for ships, submarines and aircraft, and airboats and hovercraft, and makes it possible to more effectively use the applicable power, reduce vibration and noise and also to increase the te...
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WO/2010/072655A2 |
A propulsion device for propelling a floating watercraft comprises a flexible fluke (16) that is pivotal about a substantially horizontal fluke pivot axis, and means for transmitting an oscillatory motion about said fluke pivot axis to s...
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WO/2010/074594A1 |
The invention relates to water transport, in particular, to surface and underwater transport means and can be used in submersible controlled and unmanned research means and in torpedoes. The turboprop propeller for a floating transportat...
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WO/2010/057368A1 |
A cylindrical propeller includes paddles (3), a rotary steel cylinder (2), a fixed disk (6) and a rotary main shaft (4). The paddles (3) and the fixed disk (6) are mounted in the rotary steel cylinder (2). Stoppers (9) and teeth (10) are...
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WO/2009/144164A9 |
A turbo-machine (1, 40) having at least two rotors (10, 11) which are mounted so as to be rotatable in opposite directions relative to one another about a rotational axis (7) and on which are arranged blades (14) or vanes, having a rotat...
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WO/2010/044966A2 |
The present invention discloses a hub fin device for improving the efficiency of a propeller. The hub fin device can include a propeller having a hub and a plurality of propeller blades that extend radially outward from the hub. Each of ...
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WO/2010/037087A1 |
Provided is a turbine having a first impingement-type turbine portion and a second impingement-type turbine portion integrated into a rotatable disk, wherein the first impulse-type turbine portion has a plurality chutes and a high contac...
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WO/2010/021541A2 |
The invention relates to an apparatus for oscillating a foil in a fluid. The apparatus according to the invention comprises a first crank mechanism and a second crank mechanism connected to a foil. Said first crank mechanism and said sec...
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WO/2010/016155A1 |
A cavitation erosion constraint propeller constrains erosion caused by the cavitation arising in a propeller of a marine vessel. The front edge of a wing is made greater in width, and a pitch ratio of a camper at the front edge of the wi...
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WO/2010/006606A1 |
Test stand for propeller boat engine and method for estimating propeller efficiency and engine performance. The propeller is mounted on a plate connected to an elastic beam. The beam bend according to propeller force and the bending posi...
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WO/2009/154496A1 |
The inventive hollow blade of a ship propeller comprises a top (4), a blade root (1), the walls of leading and exit edges which walls are interconnected by a plating (5) and form respectively the pressure and suction helicoidal surfaces ...
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WO/2009/141673A1 |
Watercraft (1) having a hull (10) having a support plane (2) and a propelling unit (20), operated by a user by means of pedals (11, 12). The propelling unit (20) comprises, for example, a first flipper, or blade, (21) operated by a first...
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WO/2009/126090A1 |
To increase propulsion efficiency and on board ship comfort performance, wherein the hull (10) creates a wave rising at a distance behind a transom (13) of the hull (10), and a screw propeller (20) is mounted rotatably to the hull (10) a...
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WO/2009/126096A1 |
To permit the use of a large diameter propeller (20) extending below the ship's base line (11), the screw propeller (20) is included in a thruster unit or pod unit (6) forming a containerized propulsive unit (6, 60), which is mounted to ...
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WO/2009/111956A1 |
An axial flow fan comprises a hub (2) and a plurality of blades(1) extending radially outwardly from the hub(2),a single-side arc brim(5) is provided at the tip each blade. The axial flow fan characterizes in that the angle or the averag...
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WO/2009/109768A2 |
An apparatus for oscillating and orienting a vane comprising a main lever (7,8) connected to a main pivot (5,6); a main drive linkage (13) adapted to pivot the main lever from side to side about the main pivot in a pivot plane,- a vane (...
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WO/2009/110914A1 |
An impeller assembly including a pair of plates with one of the plates having a plurality of blades and an interlock structure for aligning and coupling the plates together. A disclosed example of the interlock structure includes a plura...
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WO/2009/085979A1 |
A propeller assembly is provided for mounting on a rotatable propeller shaft of a watercraft. The propeller assembly includes a housing structure extending along a longitudinal axis. The housing structure includes an outer surface and an...
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WO/2009/078954A2 |
Variable planing inflatable hull system having a planing surface on inflatable hulls at the side and disposable central hull. The central hull is typically a rigid hull, with the inflatable hulls providing low wetted area planing surface...
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WO/2009/074581A1 |
The invention relates to a propulsive system for a maritime vessel (1 ), the system comprising an oscillating or transversely translating sealing member (5) provided in the hull of a maritime vessel. The sealing member (5) is possibly co...
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WO/2009/074579A1 |
A maritime vessel propelled by fin propulsion, wherein the fins (2) having an upper portion (1) and a lower portion (5) extending away from, and with a pitching axis normal to a part of the hull (7) which is above the fins. The fins (2) ...
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WO/2009/074580A1 |
A propulsion apparatus is provided for propulsion in a fluid, comprising at least one propulsion fin being fixed to a fin axle, and means for driving the propulsion fin comprising a crankshaft, a pitching mechanism for rotating the propu...
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WO/2009/074578A1 |
Maritime propulsive mechanism employing oscillating fins (4). The mechanism comprises a chariot (3) transferring propulsive power from a source of propulsive power (10) to the fins (4). Oscillating means, driven by a source of propulsive...
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WO/2009/073191A1 |
A rotor assembly for a wind turbine including at least one blade adapted to automatically adjust its shape as a function of rotational speed to create an efficient fluid dynamic profile over a wide range of wind conditions and rotational...
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WO/2009/067210A1 |
The present invention is directed to a turbine comprising a plurality of blades that rotate in a single direction when exposed to fluid flow, wherein the plurality of blades are joined to the central shaft by a plurality of radial spokes...
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WO/2009/067078A1 |
A watercraft propulsion device 10 has a linkage comprising a vertical drive link (20), a support link (12), an upper control link (50) having a forwardly extended handle bar (52), and a lower propulsion link (30) having a horizontal prop...
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WO/2009/047376A1 |
The propulsion and lifting system and method for VTOL craft and aircraft consists in one or more fins, fixed and oscillating around one of the ridges or shafts thereof proximate to the intersection of the extension of the two rectangular...
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WO/2009/041897A1 |
Ship propeller having surface-cutting propeller blades (7), comprising members (9, 10, 11, 12) for conducting a gaseous medium to gas outlets (13) on or close to the rear edge (14) of the propeller blades (7).
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WO/2009/038923A1 |
A fan blade comprises an airfoil having an upper surface with region that has a generally elliptical curvature. In some examples, the lower surface has a convex region and a concave region. The curvature of the concave region corresponds...
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WO/2009/035367A1 |
The invention relates to small-sized floating transportation means for aquatic recreation and can be used for tourism, sports competitions and as a training device. The inventive water cycle comprises floats, a connecting frame, a pedal ...
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WO/2009/033153A2 |
An amphibious vehicle capable of high speeds on the water has a buoyant hull with driven tracks on each side of the hull. The tracks are movable between an upper position and a lower position relative to the hull. The tracks propel the v...
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WO/2009/031339A1 |
A device (20) for improving propulsion efficiency of vessel includes a plurality of stator fins (P1-S2) arranged radially on the bow side for the bossing (15) of a vessel (10) as compared with a propeller (11). The stator fins (P1-S2) ar...
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WO/2009/008689A1 |
The invention relates to floating methods of ships and other vessels and to ship-building engineering. Said invention makes it possible to substantially reduce energy consumption of different types of ships when in motion, including plea...
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WO/2008/155448A1 |
The object of the invention is a method and an apparatus for controlling a ship propulsion drive. The propulsion drive comprises a motor (16) fitted to the ship's propeller shaft (18) and the motor control device (20, 24) controlling the...
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WO/2008/147146A2 |
A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller shaft rotatably supported by the rudder horn and the shaft support, respectively,...
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WO/2008/147448A1 |
An articulated rotor system with a servo-flap rotor control system locates the focal point of a blade retention spherical elastomeric bearing inboard of a joint in the servo-flap pitch control tube which separates the flap hinge and supp...
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