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WO2008079553B1 |
Pairs of oscillating wind paddles are mounted in the lee of a wind turbine of the lift type An oscillating wind paddle assembly has upper and lower pairs of paddles, each pair moving between a first position at substantially right angles...
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WO/2008/120835A1 |
Therefore it is primary object of the present invention to provide new OD box for controllable pitch propeller, which is of simplified construction having reduced number of the parts particularly elastic seals. OD box comprises supply no...
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WO/2008/075187A2 |
Variable - pitch propeller (1) of the type comprising at least one blade (6a, 6b, 6c) rotatably pivoted (20a, 20b, 20c) to a cylindrical casing of the propeller (3a, 3b, 4), a shaft coupled to an engine and coaxial to that propeller casi...
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WO/2008/032125A2 |
A propulsion assembly comprising a hub (101), a plurality of fins (3) moveably connected to the hub such the dihedral angle of each fin can be controlled over a working range, a first shuttle (453) and a second shuttle (443), each moveab...
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WO/2008/032120A2 |
A propeller comprising a hub (101) and a plurality of fins (3) extending radially outwards from the hub, wherein each fin is moveably connected to the hub such that, during rotation of the propeller, either the dihedral, the rake or both...
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WO/2008/032119A1 |
A propeller (1) comprising a hub, and a plurality of fins (3) extending radially outwards from the hub, wherein each fin is moveably connected to the hub such that, during rotation of the propeller, the dihedral of each fin can be altere...
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WO/2008/032167A1 |
A propulsion unit for boats or the like comprises two propellers, respectively front (300) and rear (400), coaxial and contra-rotating, rotationally driven by the shaft (2a) of at least a main motor (2), the rear propeller (400) rotating...
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WO/2007/075385A2 |
A toy aircraft that has concentric, counter-rotating upper and lower rotors. Each rotor is rotated by a corresponding drive shaft. The shafts are arranged concentrically with one another. A plane of reference is defined as a plane perpen...
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WO/2007/068514A1 |
A propulsion system for a watercraft is described, having a diesel engine (4), a propeller (2), at least one auxiliary generator set (12), a generator (6) and a drive unit for at least one machine, in which case the diesel engine (4) can...
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WO2007002391A9 |
A marine vessel control system includes a primary marine propulsory mechanism attached to the vessel and an intelligent vessel control system. Also included is an attitude sensor linked with the intelligent vessel control system. An actu...
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WO/2006/130899A1 |
A propeller for a marine propulsion system is disclosed which comprises a propeller hub having a casing formed from three segments (16a, 16b, 16c), each of which has a part of an opening (28) for mounting a propeller blade (34). A lockin...
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WO/2006/048691A1 |
The invention is aimed to simplify conventional variable pitch propeller mechanism in a way to reduce number of moving parts, incorporate mechanical actuation instead of hydraulic, improve compactness and separate torsional shaftline loa...
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WO/2006/041464A1 |
The sail wing type windmill is provided with a rudder (4) able to constantly facing to the wind direction controlled by a turn table (42) having a twin vaned tail wing (41) and a concave upwardly curved lead rail (43). The vertically sha...
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WO/2006/007625A1 |
A marine propulsion system comprising a push rod activated pins (170) which engage eccentric shaft (174) for unlocking a propeller base (190) so the base (190) can rotate around a transverse axis. The base (190) has an inclined suface (1...
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WO/2005/120944A1 |
The invention is aimed to utilize hydrodynamic benefits of contrarotating propellers, such as higher efficiency with smaller installation dimensions - compared to single propeller - side force free thrust and vibration free running in co...
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WO/2005/105699A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a dry cement based plaster (or render) composition wherein the amount of the cellulose ether in the render composition is signif...
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WO/2005/105702A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a cement based dry mortar composition wherein the amount of the cellulose ether in the tile cement based dry mortar composition ...
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WO/2005/105701A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a ready mixed joint compound composition wherein the amount of the cellulose ether in the joint compound composition is signific...
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WO/2005/105700A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a cement extrusion mortar composition wherein the amount of the cellulose ether in the cement extrusion mortar composition is si...
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WO/2005/105698A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a gypsum based dry mortar composition wherein the amount of the cellulose ether in the gypsum based dry mortar composition is si...
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WO/2005/105697A1 |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a dry tile cement composition wherein the amount of the cellulose ether in the tile cement composition is significantly reduced....
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WO/2005/102831A1 |
Rotatable lifting surface devices, such as propellers, impellers, and turbines, and blades (2) for such devices use camber profiles and pitch distributions to obtain performance from flexible devices and blades, made from materials like ...
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WO/2005/063563A1 |
According to an embodiment of this invention, a plurality of stops are implemented between metal surfaces that may be reached only in the event of shocks of great violence and in any case following a certain elastic deformation of the sh...
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WO/2005/044659A1 |
A control method and system for a controllable pitch marine propeller including operating modes comprised of a manoeuvering mode and a cruise mode and check modes comprised of an engine check mode and propeller check mode. The cruise mod...
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WO/2005/021374A1 |
The invention represents mechanically simple solution for upgrading of contra-rotating propellers with variable pitch ability. This is aimed to enable use of non-reversing, constant speed running prime movers for marine propulsion adding...
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WO/2005/021373A1 |
The invention is featuring simple technical solution for blades pitch control of two marine propellers put in contrarotating relation. The arrangement comprises two hollow concentric shafts driven in opposite direction of rotation by mea...
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WO/2005/020413A2 |
A machine that is a self regulating rotor with a set of cups or vanes that are pivotally attached about a central axis such that they form a closed three dimensional shape that when closed, and when rotated into an open orientation for a...
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WO/2005/012078A1 |
A marine propulsion system comprising a push rod (50) for adjusting the pitch of propeller blades (34). The push rod (50) has a screw-threaded bolt (60) engaged with a nut (78). The nut (78) carries a bevel gear (84) by which the nut (78...
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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/2004/074088A1 |
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/2003/100250A2 |
The present invention is directed to a method of altering the pitch of a propeller through localized bending of its blades. To alter t propeller's pitch the camber of at least one of its blades (302) is changed by bending a portion of a ...
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WO/2003/099651A1 |
Marine vessel propulsion system comprising engine system (2) for producing propulsion power and several propulsion means (3, 9) at its stern section, including a combination of at least two propulsion arrangements (9) capable of steering...
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WO/2003/097447A1 |
The variable pitch marine propeller (10) disclosed comprises blades (14) which are secured to a collar (26) by bolts (36) which are skew to the axis of rotation (X2) of the propeller. The propellers have trunnions (32) with plain bores (...
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WO/2003/095303A1 |
An arrangement for an adjustable propeller for vessels comprising a propeller (22) and a drive shaft (20) extending through the hull, at least two propeller blades (25) which are each mounted rotatably in a respective bearing seat, a pro...
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WO/2003/080430A1 |
A propeller control system (20) provides for actuation through supply pressure only. A transfer bearing (38) thereby requires only a single land. The supply pressure is metered at a pitch change valve (40) within the rotating propeller s...
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WO/2002/064424A1 |
The invention relates to shipbuilding engineering and can be used as a propelling device for an underwater vessel. The inventive noiseless propelling device for the underwater vessel comprises electrical magnets powered by a power supply...
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WO/2001/002742A2 |
The invention relates to a rotor (1) through which a fluid flows in a main direction of flow (H) and which is provided with at least one rotor blade (4), said rotor blade being arranged in such a way that it can rotate about a rotor axis...
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WO/2000/069719A1 |
A marine propeller comprises a hollow hub body (11), a plurality of propeller blades (16) and a plurality of fastening devices (19, 21) for each propeller blade (16). Each fastening device includes a tension rod (19) and a flange member ...
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WO/1999/067128A1 |
A motor for driving a propeller is disclosed which has a drive shaft (10) which is coupleable to a propeller shaft (20) by bevel gears (12 and 14) so as to rotate the shaft (20) to in turn rotate propeller blades P of an outboard motor. ...
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WO/1999/039973A1 |
A propulsion system for a water craft has at least one shaft (1) extending rearwardly from the transom (2) of the hull (3) of the craft and a drive system (9, 10, 11) for driving the shaft(s). A surface piercing propeller (4) is mounted ...
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WO/1999/019208A1 |
A modular variable-pitch marine propeller system (10) has a propeller unit (16) for mounting on a drive shaft (20), and a power unit (14) including a stationary annular hydraulic cylinder (32) for operating the propeller unit, a hydrauli...
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WO/1999/017985A1 |
The invention relates to an adjustable propeller unit (20) for aircraft, land vehicles and watercraft which can be hydraulically reversed. Said adjustable propeller unit comprises a propeller with at least two blades, whose blade angle c...
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WO/1999/015399A1 |
The invention relates to a marine propeller having adjustable propeller blades (5) attached to a hub (1, 2). The root-part (7) of each blade (5) is mounted in the hub (1, 2) for rotation about an axis that defines an angle with the axial...
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WO/1997/025244A1 |
A hydraulically reversible adjustable-pitch propeller unit for air, land and/or water vehicles or craft, with a propeller with at least two blades, the pitch of which can be varied by means of a control unit (regulator), in which there i...
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WO/1997/000197A1 |
The invention concerns a propeller driving mechanism (5) for marine vessels having propeller blades arranged to be set in various pitch-angle positions in order to alter the angle of attack of the propeller blades against the water. The ...
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WO/1995/028317A1 |
A folding blade propeller for a power vessel wherein the blades (1, 2) are synchronized in their pivotal movement as they pivot from one position to the other by flexible links (20a, 20b). The flexible links are connected at one end ther...
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WO/1995/016605A1 |
The invention concerns a device in propeller driving mechanisms (5) of marine vessels of the kind in which the propeller blades (6) are arranged to be turned into various angular positions to alter the angle of attack of said propeller b...
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WO/1995/007837A1 |
A featherable propellor assembly for fitment to a drive shaft (1) comprises a blade carrying assembly (3) which is carried by a hub assembly (2). The blade carrying assembly (3) is rotatable relative to the hub assembly (2) within relati...
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WO/1995/002535A1 |
The proposed propeller unit comprises a propeller shaft mounted in such a way that its position in relation to the hull can be adjusted both when the vessel is at anchor and under way. Propeller blades mounted on the shaft are shaped in ...
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WO/1992/019493A1 |
There is provided a self-actuating variable pitch marine propeller which incorporates two or more blades (20), each independently rotatable, relative to the propeller hub (10), between a first lower and a second higher pitch. The blades ...
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