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WO/2005/092702A1 |
The invention relates to a method for the, in particular, efficiency-increasing discharging of exhaust gases of internal combustion engines of boats into the water surrounding the boats. The invention is characterized in that the exhaust...
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WO/2005/085614A1 |
A power generation system comprising a combustion unit, an ignition system, a primary accumulator, a hydraulic rotor, a control valve, and a power generator. Hydrogen, oxygen, and water are introduced into the combustion unit. The igniti...
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WO/2005/054050A2 |
A method for controlling a watercraft includes acquiring a desired heading of the watercraft, acquiring an actual heading of the watercraft at time T0, calculating a heading error by comparing the desired heading with the actual heading ...
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WO/2005/049419A2 |
An outboard jet drive marine system for a boat includes a housing, the housing has front and rear sides, and a top and bottom. The housing is adapted to be affixed behind a hull of a boat. An engine is disposed within the housing. A jet ...
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WO/2005/047098A1 |
A craft for water sport or play, which comprises a body (10) which exhibits buoyancy in water, the body having underwater surfaces (2) and above water surfaces when floating on water, the above water surfaces (2) including surfaces for s...
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WO/2005/033490A1 |
This invention is a spiral machine component for gaseous and/or liquid fluids which represents the rotating part of the machine that can operate as a pump, compressor or turbine for all types of fluid. The spiral machine component for ga...
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WO/2005/016743A1 |
Turbo-jet pump - water jet engine is a totally new solution for driving vessels on the water surface and under water, ships and submarines, and setting them to speeds of over 50 m/s (over 185 km/h or over 100 knots). The basic design inv...
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WO/2005/009839A1 |
A system for controlling a marine vessel having at least first and second steering nozzles (158P, 158S) and corresponding first and second reversing buckets (152P, 152S) is disclosed. The system comprises a processor (130) configured to ...
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WO/2005/005248A1 |
A water propulsion unit having an intake housing, a pump housing and an outlet with two spaced apart counter rotating impellers being Iocated in the pump housing. The impeller blades on one impeller have an opposite pitch to the blades o...
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WO/2004/113161A1 |
A drive apparatus (10) for propelling a vehicle across a body of water is described. The apparatus (10) comprises a prime mover, for example a gas turbine engine (12), and a propelling arrangement (26) driven by the prime mover for prope...
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WO/2004/113717A1 |
Apparatus with a water turbine or water pump, especially a tube-type turbine (2) with two or more wheels (25, 26) rotating independently of each other and placed successively in the axial direction, especially with mutually opposite blad...
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WO/2004/103810A1 |
Amphibious vehicle (50), with reference to fig. 4, has jet drive (30) packaged behind power train (20, 22), but also configured to produce sufficient thrust for planing, despite drag created by open arches around retractable wheels (52)....
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WO/2004/091945A1 |
An amphibious vehicle 10 which on land looks remarkably like a conventional automobile. The wheels may be raised when the vehicle is in the water. The engine 41 is placed in the stern 15, directly over the jet 42 and transaxle 43, which ...
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WO/2004/078584A1 |
The invention relates to an operation method and a propelling device for a large ship, for example a military rapid surface ship provided with at least one waterjet propulsion system (22) which is arranged under said ship and whose propu...
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WO/2004/077639A2 |
The invention relates to a pump or turbine comprising a housing provided with at least one chamber, a rotor, which is ratably mounted on a shaft in the chamber, an inlet, which communicates with the chamber at least at the location of th...
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WO/2004/065210A1 |
The inventive propelling device for moving in an air or water environment comprises a power plate in the form of a flattened downwardly extendable cone which is provided with a lid having a suction hole and a disc. Said disk is arranged ...
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WO/2004/062744A1 |
Electric Propulsion system supported by a special usable slinging from scuba divers, deep-sea divers or simple swimmers, advantageously fed by a sophisticated system of rechargeable batteries, inserted inside several united watertight co...
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WO/2004/058565A1 |
A description is given of a propulsion system (1) for watercraft (20, 21) that sail with part of their hull (2, 12) below the waterline (L), which comprises: a) at least one basically cylindrical through pipe (3, 4, 13) fixed to the stru...
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WO/2004/052721A2 |
A variable marine jet propulsion system incorporates a motor (21), variable pitch propeller pump (50) in a spherical housing (62), a variable housing and a variable inlet duct, and a microcontroller (140). The pump, nozzle, and inlet are...
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WO/2004/033289A1 |
According to the invention, a compact, operational retro-fit drive plant, for installation in the base of the bow or stern of various types of marine vehicle, in particular of displacement types, which serves for maneuvering and travelli...
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WO/2004/031028A2 |
A watercraft includes a number of subassemblies, including an inflatable hull (8), a drive system (2), a battery, a seat assembly (24) and a steering (5) and thrust control. Each of the subassemblies of may be of one or more particular d...
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WO/2004/024557A1 |
A jet propulsion arrangement, including a jet propulsion unit (32) having a housing (38) which includes an inlet (40) through which liquid is received, an outlet (34) through which liquid is discharged, a liquid path (39) between the inl...
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WO/2004/020282A1 |
This utility model describes a craft with water-jet propulsion device, it comprises a hull and a water-jet propulsion device. The water-jet propulsion device includes a propeller and water-jetting pipes. The water-jet propulsion device i...
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WO2003026955A9 |
A control system and apparatus for controlling waterjet-driven marine vessels is disclosed. Some aspects allow for generation of a plurality of actuator control signals from a single vessel control signal, such as those provided by vesse...
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WO/2003/101820A1 |
The invention relates to a propulsion system for a fast seagoing ship, especially a naval ship, which comprises a propulsion system driven by at least one water jet produced by a pump assembly with an outlet nozzle for water, and a prope...
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WO/2003/101829A1 |
The invention relates to a high-speed, sea-going ship comprising a double hull (1, 2) and a water-jet drive, the latter consisting of at least one pump assembly for generating the water-jet and at least one drive motor (3) for the pump a...
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WO/2003/093103A1 |
The invention relates to the shipbuilding industry and can be used for high-speed vessels, crafts and motorboats. The aim of the invention is to develop a compact water-jet propulsion engine having a reduced weight and reduced dimensiona...
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WO/2003/093104A1 |
The present invention relates to a steering arrangement for ships propelled by water jet, comprising a steering device (6) that is pivotal about an essentially vertical shaft (5) having a first centre line (C1), at least one hydraulic cy...
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WO/2003/080429A1 |
The invention relates to an auxiliary system (10) for providing positive steering to marine crafts (12) using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis. In one embodiment, it include...
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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/2003/064860A1 |
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/2003/056139A1 |
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/2003/037712A1 |
A water jet propelling device (1), comprising a suction casing (3) for sucking water from an outside, a barrel−like pump casing (4) provided continuously with the casing, a discharge casing (5) having an outlet (5a) for jetting water t...
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WO/2003/038286A2 |
The present invention relates to propulsion and hydraulic systems having a coaxial design wherein the inlet section (1), impeller section (12), and outlet section (13) of a mixed flow pump system (3) all have a common centerline axis or ...
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WO/2003/037713A1 |
A water jet propelling device of a boat, wherein a rotating blade (16) having inducer articulated axial flow vane parts (16a), mixed flow vane parts (16b) connected to the axial flow vane parts without impact, and centrifugal vane parts ...
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WO/2003/035465A1 |
The invention discloses a retractable rudder device (16) attached to the water jet nozzle (14) of a watercraft (10). In a non-deployed condition, the rudders are latched in position and completely out of the water stream underneath the c...
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WO2003013955A9 |
A thrust control system is described, including a control apparatus having water jet deflectors that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion. Other aspects include...
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WO/2003/011685A1 |
The invention relates to a water jet drive (1; 1'), for marine vessels (2;2'), with at least one rotating impeller (15; 15'), driven by a drive motor (13) using a horizontal driveshaft (14; 14'), at least one converter device for changin...
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WO/2002/100717A1 |
A device with compressed-air jets projecting from boats below the water-line, for obtaining precise and efficient lateral translatory motions of the boats by means of air jets at an even very high pressure, generated by a compressor on t...
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WO/2002/098731A1 |
The invention concerns a ship low-noise hydrojet propeller unit with good performance. It mainly comprises a hydrojet propeller assembly consisting of a hydraulic screw (7) feeding a helico-axial pump (8) emerging in the diffusers (9). A...
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WO/2002/098730A1 |
An underwater or submersible vehicle (1) including an elongated body (3) having a substantially ellipsoidal forward section (5), a substantially cylindrical mid-section (6), and a tapered aft section (7) having an internal vectored thrus...
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WO/2002/066322A1 |
An water jet propulsion outboard engine (1), comprising a drive source (2), a drive system, a housing (3), a bent tube-like flow passage wall (5), a guide vane (22), and an impeller (14), wherein the flow passage wall (5) is fixed to the...
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WO/2002/062659A1 |
An outboard motor comprises a driving unit, a switching device (13), a vane wheel (15), and a vane casing (8). The switching device (13) transmits the rotation of the driving shaft (12) of the driving unit by switching it between forward...
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WO/2002/057132A1 |
The invention relates to a fast military surface craft, particularly a frigate or a corvette, comprising at least two electric rudder propeller drives, whereby the electric ruder propeller drive are placed at a cruising speed. The electr...
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WO/2002/055845A1 |
A turbine engine, particularly for aircrafts, of the type comprising a rotor and at least two stages of stator blade rows positioned upstream and downstream of the rotor, wherein the rotor blades (8) are of the variable pitch type and ha...
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WO/2002/040344A1 |
The present invention relates to a steering arrangement for ships with water jet unit, comprising a steering device that is pivotable about an essentially vertical shaft having a first centre line, at least one hydraulic cylinder articul...
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WO/2002/040339A2 |
The invention relates to shipbuilding. The inventive method for reducing the hydrodynamic resistance of a floating body consists in supplying gases at a pressure higher than environmental pressure to an environmental space through a sect...
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WO/2002/030741A1 |
A boat propulsion device, wherein a suction casing (4) comprising a suction port (4a) opened in a bottom (1b), a suction flow passage (4b) raised aslant to the rear side from the suction port (4a), and a horizontally formed impeller cham...
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WO/2002/028706A1 |
The present invention relates to a jet propulsion unit (1) for propulsion of a waterborne craft comprising at least one impeller pump (3) with a pump housing (4) in which an impeller shaft (22) or ajournal (21) connected to said impeller...
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WO/2002/028705A1 |
A boat propulsion device, wherein a curved tube-shaped propeller (2) is formed, on a bottom (1b), of a front casing (12) having a suction port (11) opened under water on a bow side, an impeller casing (10) for inscribing an impeller (17)...
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