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WO/2013/077591A1 |
The present invention relates to a ship propeller, and more particularly, to a technology in which the blade of a propeller is bent so that the propeller has improved strength, and so that the blade of the propeller has a smaller load. T...
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WO/2013/066690A1 |
A system and method for improving the lift-drag ratio of an aerodynamic surface or hydrodynamic surface such as a wing or blade-structure of a propeller, rotor or a turbine, in a fluid such as air or water, is disclosed. The aerodynamic ...
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WO/2013/051915A1 |
Disclosed is an excitation force reducing type ship. An excitation force reducing type ship according to one embodiment of the present invention comprises: a hull having a rear end with a propeller; and an excitation force reducing modul...
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WO/2013/043171A2 |
A marine vessel comprising: a command module; first and second buoyant tubular foils; and first and second struts for connecting the first and second buoyant tubular foils to the command module, respectively; wherein the first and second...
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WO/2013/034059A1 |
A water-borne skimming ship comprises a streamline ship body (6), a power driving device with a centrifugal turbine, a high-speed travel balancing system, and a rudder. The centrifugal turbine is installed at the lower part of the ship b...
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WO/2013/027857A1 |
The present invention provides a new structure of a water vessel propulsion apparatus with which it is possible to propel a water vessel even without employing screws. This water vessel propulsion apparatus (10) comprises a propulsion ap...
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WO/2013/024195A1 |
The aquatic propulsion proposed uses oscillating blades (1, 2, 3, 4, 5) provided with independent, mutually parallel vertical shafts (9) affixed, at the upper end thereof, to a single horizontal oar (11) of planar profile, said blades or...
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WO/2013/022368A1 |
1. The utility model relates to air and water transport and can be used for producing propellers for propelling vehicles in continuous fluid media. 2. The technical result of the proposed utility model consists in an increase in reliabil...
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WO/2013/014061A1 |
The present invention relates to a propulsion system for a marine vessel wherein the employed means for propulsion include rotatable fins with their axis held substantially normal to the hull surface, and wherein those fins translate in ...
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WO/2013/014232A1 |
The present invention relates to a propulsion system for a marine vessel wherein the employed means for propulsion include rotatable fins with their axis held substantially normal to the hull surface, and wherein those fins translate in ...
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WO/2013/014938A1 |
This propeller with a small duct is characterized by comprising the following: a propeller (10) which is attached to the stern of a ship hull (1); and a duct (20) attached in front of said propeller (10). Said propeller with a small duct...
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WO/2013/015709A1 |
This utility model relates preferably to shipbuilding, in particular to water jet propellers. The technical result of the proposed utility model consists in increasing the energy conversion efficiency of an impeller for a vehicle. The te...
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WO/2013/007181A1 |
An aquatic toy that is a biomimetic fish with a watertight body portion. The body portion contains a battery electrically connected via a controller to at least one coil. The coil is positioned relative to a magnet and the coil can be ca...
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WO/2013/006082A1 |
The invention relates to unique propellers with enhanced propulsive thrust. For air and water transport, the advantage of propellers comprised of the proposed airfoils having sharp leading edges is that the entire oncoming flow is direct...
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WO/2013/004736A1 |
The present invention relates to a propeller (1) which comprises a hub (2) and a set of blades (4), characterized in that: - said hub (2) has a thickness substantially equal to that of the blades (4); - each blade (4) is connected to the...
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WO/2012/162750A1 |
A screw propelled vehicle is described. The vehicle comprises a chassis and at least two elongate drums coupled to the chassis. Each drum is rotatable and has at least one spiraled flight. Each drum is also arranged, in use, to engage ma...
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WO/2012/160404A1 |
There is described a variable pitch boat propeller, comprising at least one internal cylindrical body and at least one blade pivoted to an external cylindrical body of the propeller constituted by one or more juxtaposed parts, and coaxia...
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WO/2012/155176A1 |
This invention relates to a propeller having any n umber of a blade, wherein; said blade has an integral association with any number of a cavity, said cavity being disposed between the forward and the aft faces of said blade and egressin...
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WO/2012/148150A2 |
The present invention relates to a ship, wherein: on the basis of a propelling direction, a hull is formed to support the weight of passengers at the upper part of the rear end; a balanced state is made to support and maintain the passen...
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WO/2012/129632A1 |
The group of inventions relates to the field of mechanical engineering. In a first embodiment, the method for generating propulsion is characterized in that a rotating stream of working fluid is directed along an inner conical surface by...
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WO/2012/100978A1 |
The invention relates to a propeller (1) or repeller having blades (3), which have each a front side (4) and a rear side (5), and a device (20) for feeding a fluid, in particular water, to the rear side of the blades (3). The propeller o...
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WO/2012/099291A1 |
The present invention pertains to a propulsion device for a moving body using the principle of progressive waves and a method thereof. A driving section provides a plurality of driving forces and controls the driving forces to be periodi...
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WO/2012/090512A1 |
Until now, to minimize the air resistance or the fluid substance resistance of a high-speed moving body, development has focused on smoothing or streamlining the surface. However, the concept of the invention is based on the idea that th...
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WO/2012/066193A2 |
The invention relates to a nautical propulsion device having improved economy and improved control of the masses of water used. Said device consists of a "supporting base" (B) (handle or bar), which extends a "blade" portion also known a...
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WO/2012/064335A1 |
A rotor blade for an aircraft includes a composite portion having fiber-reinforced resin material, the composite portion having an outside surface that forms at least a partial airfoil shape. The weighted portion includes a plurality of ...
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WO/2012/057717A1 |
Said invention is related to a propeller used in aircraft/sea vessels, pumping systems, wind and hydraulic turbines and to propeller blades (13) which are distributed around propeller (10) hub (11) and positioned so as to set an angle wi...
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WO/2012/050441A1 |
A marine propeller comprises a hub, a front blade (4) and a further blade (6). The hub defines a rotational axis for the propeller and is rotatable in a main rotation direction. The front blade and the further blade comprise a pressure s...
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WO/2012/047753A2 |
The main propulsion and drive system of a merchant vessel such as a freighter or tank vessel, or a military vessel is supplemented by an auxiliary propulsion and drive system that includes at least one, but preferably a pair of auxiliary...
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WO/2012/042076A1 |
The invention relates to a propeller comprising a body (1) made from a cut, bent and assembled plate, including a rear central region (2a) that is substantially flat and perpendicular to the axis of the shaft (12) and a front central reg...
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WO/2012/039600A1 |
Amphibious construction equipment comprising a working unit supported on a pair of elongate, parallel, buoyant pontoons (2) each of which carries a caterpillar track (3) driven by sprockets mounted on an axles (5), the axles (5) being po...
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WO/2012/020177A1 |
Method for underwater propulsion of a submerged platform comprising a rigid structure of a shape which is elongated along a main axis, and at least one elongate deformable element (PM) borne by said rigid structure, which method consists...
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WO/2012/008901A1 |
The invention relates to a propulsion unit 1 for a marine vessel 2 which is intended to operate in icy waters. The propulsion unit is an azimuthing thruster with a propeller 3 mounted on a capsule 6. The propulsion unit 1 can be rotated ...
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WO/2012/006643A1 |
A propulsion and buoyancy wheel for watercraft has a floating body (9) which can rotate about a rotation axis and on whose outer surface projecting propulsion elements (10) are arranged, which have propulsion surfaces (12a, 12b, 12c) by ...
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WO/2011/155485A1 |
A trochoid drive system (1) is equipped with: wheels (153) disposed in three locations on the periphery of an outer wheel (10) that revolves around a drive shaft (22a); and steering links (16) that revolve with the wheel, and that are ab...
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WO/2011/142523A1 |
The present invention relates to a propulsion apparatus for a marine vessel and to a marine vessel comprising same. The propulsion apparatus for a marine vessel according to one embodiment of the present invention comprises: a tunnel uni...
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WO/2011/113124A1 |
The present patent consists in a vehicle equipped with a series of floating crawlers that rotate on an ovoid rail, forming a continuous track characterised by the male-female couplings between the traction crawlers, hydrodynamic locks an...
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WO/2011/115552A1 |
The inventions refer to a mixer assembly for generating and maintaining a movement within waste water, comprising a hub (3) and at least two blades (4), which are disengageably connected to said hub (3), the hub (3) in a rear end being a...
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WO/2011/095113A1 |
A paddle wheel yacht includes a ship body (1) and a ship power device that is arranged on the ship body (1) and consists of a propeller driven by a main engine. The propeller consists of two paddle wheels (2). The lower edges of the padd...
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WO/2011/091081A1 |
Systems and methods for performing structural tests on wind turbine blades are disclosed herein. A system in accordance with a particular embodiment includes a test stand positioned to carry a test article that includes at least a portio...
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WO/2011/090421A1 |
This invention relates to a shaft for a propeller assembly for a marine vessel, said shaft (1) arranged to provide torque to a propeller having a plurality of flanged blades via a hub (2), said hub (2) having mounting seats (3) circumfer...
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WO/2011/082239A1 |
One embodiment of the present invention is a unique composite gas turbine engine component. In one form, the composite component is an airfoil. Another embodiment is a unique method for manufacturing a composite gas turbine engine compon...
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WO/2011/082237A1 |
A turbomachinery blade for a gas turbine engine is provided and includes an airfoil extending between a leading edge and a trailing edge. In one embodiment the turbomachinery blade is a compressor blade. The blade can include a platform ...
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WO/2011/076202A1 |
The invention relates to a component (12) designed to be load-adaptive comprising at least one trapezoidal, elastically movable four-bar hinge (10) incorporated integrally into said component in order to generate a shape change behaviour...
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WO/2011/077454A1 |
A rotor blade for a fluid turbine is disclosed. The rotor blade includes a flange section configured to connect the rotor blade to a rotor hub; and an airfoil section extending outward from the flange section. The flange section is compr...
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WO/2011/054986A1 |
The invention in principle comprises a propeller formed by independent blades that incorporate a seating base via which the blades are secured so as to correspond to an end portion of a propulsion shaft of the vessel. The invention is ch...
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WO/2011/047431A1 |
An aquatic propulsion system comprising a body (104), a propulsion means to propel the body through water and an energy storage device adapted to be charged and discharged wherein in use, as the energy storage device is discharged, the p...
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WO/2011/039391A1 |
The invention aims to provide shaft/propeller propulsion equipment in which the blades are interchangeable and attached to the actual propulsion shaft without screws and without adjustment between male and female cones. The invention is ...
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WO/2011/015804A1 |
Apparatus for providing a propulsive force in water, which apparatus comprises a frame (1), at least one flap (2), and at least one flexible tensile component (3), the apparatus being such that the flap (2) is pivotally secured to the fr...
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WO/2011/003196A1 |
Efficient impeller or propeller wherein at least one blade in a set of blades on a hub of said impeller is oriented with respect to the tilted plane rotated clockwise or counter clockwise in an axis perpendicular to the longitudinal axis...
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WO/2010/150498A1 |
A thrust generating device (10) immersed in water and generating thrust by expelling water, wherein a rotor body (43) comprises: a first member (48) having a side surface and an outer peripheral surface which face a first water-lubricate...
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