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WO/2010/042306A1 |
A highly efficient watercraft propulsion system that relies on a positive displacement pump to generate a water jet. The pump is fully submerged at all times and its inlet is positioned so as to cause water to be forced into the pump as ...
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WO/2010/024726A1 |
The group of inventions relates to the field of apparatuses for travel in an air and water medium. The apparatus for travel in a fluid medium comprises a blade with an aerodynamic section with an upper convex surface, and a source of hig...
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WO/2009/140682A2 |
A marine propulsion system comprising: a fuel-filled tank; an air compressor that generates compressed air; an engine that receives fuel from the tank, wherein the air compressor is powered by the engine; and at least one hot gas generat...
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WO/2009/134153A1 |
A propulsion unit for a marine vessel, comprising a water jet unit including a tail pipe for extending from a stern of a vessel for delivery of a water jet for propelling the vessel and a steering nozzle mounted at the end of the tail pi...
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WO/2009/120143A1 |
This invention relates to a system and method of starting a water jet propulsion system for a ship, said propulsion system including a stator shell (1) adapted to be mounted to the hull and having a nozzle (4) ending in an outlet (5) wit...
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WO/2009/108711A2 |
Designs and techniques for fluid thrusters and vehicles that are powered by propelling fluids with fluid thrusters. Multiplex-thruster (MT) systems are disclosed that include a single thruster (160) and a flow multiplexer (170a, 170b) wi...
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WO/2009/100418A1 |
A jet propulsion system includes an inlet receiving a fluid, and a housing defining a discharge nozzle through which fluid is discharged to provide propulsion of a vehicle in a first direction. The jet propulsion system also includes a r...
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WO/2009/084168A1 |
A thrust generator having a high output realized without an increase in the diameter of a propeller. A thrust generator (10) is mounted underwater, generates a thrust by ejecting water, and has a duct-like stator (11) having armature coi...
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WO/2009/078049A2 |
There is described a nautical engine comprising at least one combustion chamber (1) provided with a first opening (11), normally closed by a first valve (12), for feeding the air and fuel mixture, at least one spark plug (20) for ignitin...
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WO/2009/075690A1 |
A propulsion system may include a cylindrical support member and a tubular rotatable member rotatably mounted within the support member that may be adapted to permit fluid flow therethrough. The tubular rotatable member may extend past a...
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WO/2009/071077A2 |
The invention relates to a ship propulsion system (S) having a pump jet (P) comprising a pump housing (G) and a drive motor, wherein the drive motor is a solenoid motor (M) integrated into the pump housing (G).
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WO/2009/064980A1 |
A system for steering a watercraft propelled by a water jet includes a control lever (16) supported to pivot rightward and leftward about a first axis (48), a nozzle supported on the watercraft to pivot rightward and leftward and through...
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WO/2009/058817A2 |
A system for driving a water induction and discharge system of a watercraft (10) propelled by a water jet includes a water impeller (32), an engine (28) including a driven shaft and a first chamber (70) for containing engine oil, a secon...
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WO/2009/048853A2 |
A watercraft propelled by a water jet includes an sealed hull portion including an upper deck and a bottom surface, an engine compartment located behind the sealed hull portion and containing a propulsion and steering system including an...
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WO/2009/032026A1 |
An integral composite rocket motor nozzle (100). The novel nozzle (100) includes a first layer of a first reinforcement material (110), a second layer of a second reinforcement material (112), and a common matrix material (116) surroundi...
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WO/2009/029624A1 |
A device for cutting weeds carried by water inducted into a housing includes an intake, an outlet, an impeller for pumping water from the intake to the outlet as the impeller rotates about an axis, the impeller including a blade formed w...
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WO/2008/147767A2 |
A watercraft for transportation and exercise including a boat for floating on water and having a portion thereof above a waterline and a portion thereof below the waterline. The boat has an opening therein for permitting a person to be p...
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WO/2008/122013A2 |
The personal watercraft power systems include a housing for supporting a water jet pump and engine system. The housing is constructed to support the power system and removably engage a watercraft. An engine (60, 204) and a centrifugal pu...
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WO/2008/097131A2 |
The invention relates to shipbuilding engineering, in particular to reverse steering devices for a water-jet propulser which can be used for controlling small vessels operating, for example, on shallow areas of rivers. The inventive reve...
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WO/2008/087020A1 |
The invention relates to jet propulsion comprising two or more units which are arranged axially one behind the other; each unit has the following components and/or features: a rotor without a hub, to whose internal circumference rotor bl...
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WO/2008/088431A2 |
A fouling removal system for use in a water-jet drive system is described The fouling removal system includes a cutter arm assembly and an optional cutter stud The cutter arm assembly includes a pivotable cutting blade located adjacent t...
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WO/2008/075981A1 |
A variable rating impeller (10) for the pump of a waterjet unit that is rotatably driven by an engine to generate a high velocity jet stream. The impeller (10) having a hub (12) mountable to a rotating shaft through which an input power ...
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WO/2008/044941A2 |
A water borne vessel (2) comprising a hull (4) and means for producing a pressure potential over the bow portion (6) of the hull (4) by using streams of pressurised fluid flushed over the bow portion (6). The means for producing a pressu...
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WO/2008/024077A1 |
The present invention provides a hydro-propulsion device whereby the device is propelled due to physical actions of an operator of the device. A hydro-propulsion mechanism (100, 200) which is integrated in a hull of the device comprises ...
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WO/2008/009302A1 |
The device includes conveying ducts of the fluid (2, 9), a tubular mean (1) with variable internal volume (1'), a tapered onion-shaped body (17) centred (18) inside the tubular mean, a nozzle (16) for the ejection of the fluid adjustable...
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WO/2007/142537A2 |
A dynamic control system for a marine vessel having two or more waterjet units as the primary propulsion system of the vessel, for maintaing vessel position or velocity when in a dynamic control mode, comprises a position or velocity ind...
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WO/2007/139428A1 |
This invention relates to the means used for the arrangement of water vehicle traffic, more specifically, to the field of jet propulsion engines, and can be used for the arrangement of water and ground vehicle traffic, including railway ...
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WO/2007/129918A1 |
A steering system for a waterjet propelled marine vessel is disclosed that incorporates an intelligent control system interfacing a manually steerable control device with a number integrated propulsion systems. The propulsion systems can...
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WO2007089226A9 |
A novel kind of propulsion system that uses centrifugal force to accelerate the surrounding work-fluid. A rotor (10) with radially mounted blades (11 ) is enclosed by a cylindrical enclosure (12). The cylinder wall of the enclosure (12) ...
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WO/2007/111590A1 |
A waterj et-propelled marine vessel (200) having a hull (202) with a transom (205) and a bottom (203), a jet pump (31), and an intake duct (20), the improvement comprising: (A) the transom and bottom having a common opening (201) for int...
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WO/2007/095680A1 |
There is disclosed a matter propulsion system including an elongate containment area (12) containing a propellable matter, and a flow path (20) intersecting that area at at least one intersection (22, 24) along which fluid propulsion mat...
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WO/2007/075670A2 |
An outboard jet drive marine system for a boat comprises a bucket assembly adapted to be mounted to a jet drive unit for receiving a water exhaust from a jet drive unit. The bucket assembly has a bucket housing. The bucket housing has a ...
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WO/2007/067599A1 |
The invention comprises a method for controlling a marine vessel having a first steerable propulsor, a corresponding first reversing device, a second steerable propulsor and a corresponding second reversing device. The method comprises r...
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WO/2007/055605A1 |
A propulsion and control system for a marine vessel comprises one or more waterjet units for propelling the vessel and optionally one or more lateral thrusters; a control device including a manually moveable control element which is mova...
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WO/2007/055606A1 |
A propulsion and control system for a marine vessel comprises one or more waterjet units for propelling the vessel and optionally one or more lateral thrusters; a control device including a manually manipulable control element and an arr...
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WO/2007/038831A1 |
A motion generating system for propelling and/or lifting a craft exploiting explosive and implosive processes, whereby a propulsive or lifting force on the craft arises from two sources: generation of a stream of fluids which imparts thr...
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WO/2007/005209A2 |
The present invention is directed to a multiple propeller nozzle Venturi system and assembly consisting of two or more hydrodynamically shaped nozzle rings, axially located around the propeller and connected by the means of a plurality o...
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WO/2006/133606A1 |
A jet propulsor is provided with helical blades or guiding grooves on the inner wall to increase the friction of fluid, so that the loose fluid is pressurized to converge and twist, which forms the interior pressure and generates great t...
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WO/2006/126893A1 |
A propulsion or pumping device which includes two counter-rotating shafts (3, 4) each carrying at least one impeller (7, 8), wherein each impeller (7, 8) can deflect by a predetermined amount in directions substantially perpendicular t t...
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WO/2006/111643A1 |
The invention concerns a propulsion unit for a multihull such as a catamaran, comprising at least one turbine, seawater suction means and seawater backflow means. The invention is characterized in that said device comprises a seawater tu...
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WO/2006/109356A1 |
This invention provides a gas-liquid two-layer stream discharge device which can discharge a liquid stream to a more distant position. The gas-liquid two-layer stream discharge device comprises at least one liquid discharge tube (6) for ...
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WO/2006/110619A1 |
A highly efficient watercraft propulsion system that operates continually submerged and relies on a non-circular variable area pump discharge opening which is configured, positioned and oriented so as to maximize the hydraulic reaction b...
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WO/2006/086905A2 |
The invention relates to a boat, particularly a submarine (1), comprising at least one propulsion (2, 3). According to the invention, the at least one propulsion (2, 3) operates according to the hydrojet principle, and the at least one p...
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WO/2006/066493A1 |
A new watercraft with lower subplate consists of a hull, a deckhouse located the upper of the hull and a lower subplate mounted at the downside of the hull; the hull provided with a frame structure, fiberglass or metal plates fixed to th...
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WO/2006/059222A1 |
The invention concerns a turbine-propelled pleasure boat, comprising, inside a floating structure advantageously consisting of a lower hull (1) and an upper hull (2) assembled on either side of an apparently horizontal waterline (3), a h...
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WO/2006/058232A1 |
A method for controlling a marine vessel (10) having first and second steering nozzles (558P, 558S) and first and second trim deflectors (554P, 554S) comprises generating at least a first set of actuator control signals (174, 175) and a ...
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WO/2006/047585A2 |
An outboard jet drive marine system for a boat comprising a housing. The housing is adapted to be affixed behind a hull of a boat. An engine is disposed within the housing. A jet drive unit is mounted to the housing in parallel to and ve...
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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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WO2005123501B1 |
Disclosed herein is a rotator-type propulsion apparatus in which a hub, blades, a propeller opened at a front side thereof and having a sucked fluid passage, and a duct having a plurality of accelerating suction parts formed thereon are ...
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WO/2006/012579A2 |
A system and apparatus are disclosed for improving safety and hydro-flow thrust from a hydro-drive device (108). The apparatus may include a shroud (204) having a first opening for the ingress (208) of water, and a second opening for the...
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