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Patent Searching and Data


Matches 251 - 300 out of 3,323

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2003013955A3
A thrust control system (200) is described, including a control apparatus having water jet deflectors (104, 120) that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion (101)...  
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...  
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...  
WO2003026955A3
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...  
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...  
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...  
WO2003038286A3
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 ...  
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...  
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 ...  
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 ...  
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...  
WO/2003/026955A2
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...  
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...  
WO/2003/013955A2
A thrust control system (200) is described, including a control apparatus having water jet deflectors (104, 120) that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion (101)...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2002040339A3
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...  
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...  
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...  
WO2002020347A3
The invention relates to a driving mechanism disposed on the hull (100) of a watercraft comprising an impeller (4) which is used for the propulsion of said watercraft. The impeller is arranged in a housing (1). The cross-section of the f...  
WO2002020959A3
A system for converting hydrogen into useful work comprising a combustion chamber, a source of working fluid, an accumulator, a propulsion system, and a control valve. A mixture of hydrogen and oxygen is ignited in the combustion chamber...  
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...  
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...  
WO2001062347A3  
WO2002008051A3  
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...  
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...  
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)...  
WO/2002/020347A2
The invention relates to a driving mechanism disposed on the hull (100) of a watercraft comprising an impeller (4) which is used for the propulsion of said watercraft. The impeller is arranged in a housing (1). The cross-section of the f...  
WO/2002/020959A2
A system for converting hydrogen into useful work comprising a combustion chamber, a source of working fluid, an accumulator, a propulsion system, and a control valve. A mixture of hydrogen and oxygen is ignited in the combustion chamber...  
WO2001085539A3
The fluid propelled apparatus (10) includes a buoyant body portion (12) having a fluid inlet (14) connectable in flow communication to a source of pressurised fluid and a fluid outlet (16) for propelling the apparatus (10) by means of th...  
WO2000017045A3
A steering system for water craft having jet propulsion. A stator outlet (16a) discharges water into a steering nozzle (12) which is pivotably mounted on a nozzle housing (8). The internal diameters of the stator outlet and the steering ...  
WO/2002/012061A1
There is provided a combined pressure and thrust fan consisting of a solid circular disk (50) with a plurality of radially spaced airfoil-shaped blades (52). The selective direction or airflow over an aft sector of the fan provides net t...  
WO/2002/008051A2
In an apparatus and method for ejecting an additive for significantly reducing the drag of a first fluid moving relative to a wall, a drag-reducing substance is conditioned by causing a second fluid (5), which includes the drag-reducing ...  
WO/2001/094196A1
The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arr...  
WO/2001/094195A1
The invention comprises a propulsion system for ships comprising an impeller (13, 14), a stator shell (1), and an impeller housing (3) for achieving a water jet, a shaft (11, 12) for the propulsion of the impeller (13), and a bearing arr...  
WO/2001/094197A1
A propulsion system comprises of a flow passage (173) having an intake (175) for communicating with a source of working fluid such as seawater and an outlet (177). A mixing zone (209) is disposed within the flow passage (173) between the...  

Matches 251 - 300 out of 3,323