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WO/2008/131536A1 |
A watercraft is assembled from a kit of parts comprising a frame, a pair of pontoon members arranged to support a portion of the frame to float, a pair of drive wheels arranged to support a portion of the frame to float on the water, and...
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WO/2008/133494A1 |
Vessel comprising a motor/generator assembly (10), the motor/generator assembly (10) comprising a drive unit (11) and a propeller (12) attached to the drive unit (11) for providing propulsion to the vessel (1) or for generating electric ...
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WO/2008/127772A2 |
An improved tunnel configuration for tunnel mounted surface piercing propellers. The improved tunnel configuration provides a flooding suction to the tunnel to allow flooded propeller operation at speeds below planning. The tunnel is ste...
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WO/2008/125782A2 |
The invention relates to a propulsion system for manoeuvring assistance for a ship (11) essentially in the shape of a T in which the transverse bar includes turbine-defining means and in which the longitudinal bar includes electric power...
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WO/2008/116964A1 |
The invention is a multi-purpose icebreaker (10) having main propulsion devices (20, 30) in the front part of the vessel and steering device (21, 22) in the aft part of the vessel. This kind of icebreaking vessel has excellent steering c...
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WO/2008/101284A1 |
An out-drive protection apparatus (10) for a watercraft such as a boat (11) having an out-drive (13) of known kind at its stern and a transom (15). The out-drive protection apparatus (10) provides a protective enclosure about the out-dri...
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WO/2008/100942A1 |
The instant invention is a shroud/keel/rudder combination for use on a engine driven marine vessel having a vented tunnel propulsion system. The combination produces acceptable acceleration, minimal loss of speed, resistance to weed enta...
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WO/2008/100952A2 |
A drop-in-module consisting of a mass produced engine coupled to a drive system by use of a common mid-section mounting platform. The module provides a single assembly that can be easily installed and removed from a vessel. The drive sys...
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WO/2008/099462A1 |
Stern shape of a displacement type ship in which hull resistance can be reduced and propeller cavitation can be suppressed in a displacement type ship sailing in such a speed region that the Froude number is smaller than the last hump. T...
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WO/2008/040287A1 |
The invention relates to a floating and controllable folding deckchair with pedal-operated paddle drive, which has at least one manoeuvrable float (5) and a drive unit comprising paddle drive (2), shaft (4) and running/paddle wheels (1)....
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WO/2008/037423A2 |
The invention relates to a method for controlling a ship propulsion system (1) comprising a surface propeller (5) in which the desired capacity is interpreted as the target rotational value (nSL), the rotational speed control deviation i...
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WO/2008/032063A1 |
A line cutter (1) is fitted at a propeller (2) on a shaft (3) carried in a stern tube (4). Clamped to the shaft immediately in front of the propeller is a rotatable cutting blade unit (11) comprising a split hub (12), having two halves (...
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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/2008/020796A1 |
The present invention relates to a propulsion system for a surface water vehicle, comprising an electric motor (10) of permanent magnet type in an azimuthing pod (2) underneath the hull (1) of the water vehicle. A pump jet (3) comprising...
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WO/2007/137859A2 |
Variable propeller (1), in particular for marine vessels, comprising at least three individual propellers (2a-2e), arranged on a common shaft (3), the individual propellers (2a-2e) being arranged to rotate relative to each other about th...
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WO/2007/113306A1 |
A propulsion apparatus (10) of retractable type for a sailing boat (11 ) comprises a hydraulic motor (21 ) with a screw propeller (24) driven by means of a combustion engine (26) cooled by means of a cooling fluid, a containing compartme...
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WO/2007/094669A2 |
The invention relates to a composition and a dosing unit which can be used as nutritional supplement or as medication for the treatment of retinitis pigmentosa (RP). The composition comprises a combination of lutein, zeaxanthin, glutathi...
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WO/2007/063227A1 |
Cable cutter (10) comprising a hub (2) for attaching it to a boat's screw shaft (1) and a blade (3) carried by said hub, said cable cutter comprising several mutually demountable parts (11, 12) allowing the screw shaft (1) to be inserted...
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WO/2007/051678A1 |
Steering device for boats comprising at least: a through channel (7) passing through the hull of the 5 boat from side to side under the water line and inside which channel (7) there is provided at least a propeller (5) operated by a moto...
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WO/2007/045887A2 |
A submersible vehicle having an outer hull which defines a hull axis and appears substantially annular when viewed along the hull axis, the interior of the annulus defining a duct which is open at both ends so that when the vehicle is su...
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WO/2007/042483A1 |
A marine drive system (1) with a partially submerged propeller located at the transom of a boat comprising, for each propeller (2), a forward-opened shroud (20), positioned above the propeller (2), such as to define, between it and the w...
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WO/2007/034030A1 |
The invention relates to a marine vessel (1) with at least a first cargo facility (4) at a stern end (2) and at least a second cargo facility (5) at a bow end (3), and having a deckhouse (6) arranged between the first cargo facility (4) ...
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WO/2007/007707A1 |
An outboard motor comprising a power transmission mechanism transmitting the power of an engine to a propeller. The transmission unit of the power transmission mechanism comprises a one row of planetary gear train for transmission having...
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WO/2007/003066A1 |
Disclosed is a watercraft, on the hull (101) of which a drive system is installed that is driven by means of a pair of crank handles (120) in an upright position of the operator. The rotary movement of the crank (120) is transmitted to a...
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WO/2006/131107A2 |
The invention relates to a ship propulsion unit (1) with drive devices in the hull and an underwater pod (2), which is located outside of the hull and which has a front propeller (5) and a rear propeller (4) as well as torque transmittin...
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WO/2006/128486A1 |
The invention relates to an auxiliary drive device used as an auxiliary device for ships. Said device comprises at least one propulsion unit (11, 12) which acts both as a thruster and a driving mechanism and can be displaced in different...
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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/2006/124041A2 |
An efficient double-ended watercraft (100) is disclosed that comprises four low-Froude number hulls (111) : two forward, two aft, two on the port side, and two on the starboard. Each hull (111) comprises an independent engine that drives...
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WO2006081181A9 |
An assembly for providing flexure to a blade of a rotary blade system includes an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one o...
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WO/2006/095042A1 |
The present invention relates to a propulsion arrangement for a marine vessel (1), which propulsion arrangement comprises an internal combustion engine (2), a shaft arrangement (3) and a steerable thruster unit (4). The marine vessel (1)...
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WO/2006/095774A1 |
A stern structure of a ship having a uniaxial ship type stern/ hull with an overlapping propeller, wherein the rear end angle &agr , in plan view, of the stern/hull (S) in the vertical range of at least 0.4 R (R means the radius of prope...
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WO/2006/091430A1 |
A system includes an azimuthing pod (12) configured to be attached to the hull (14) of a ship, a superconducting motor (18) positioned within the azimuthing pod (12) , a refrigeration system including a compressor (36, 36a) and a cryogen...
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WO/2006/089316A1 |
A stern drive (10) for a boat is provided, which comprises an outer structure (16) that is attachable to the stern (14) of a boat, a housing (44) supported in the outer structure (16), a gear set and reversing clutch (46) inside the hous...
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WO/2006/079046A2 |
An apparatus is disclosed for improving safety and hydro-flow thrust from a trolling motor. The apparatus may include a first and second semi-circular portions (1602) configured to connect together to substantially enclose a hydro-drive ...
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WO/2006/063695A1 |
The invention relates to an unmanned underwater vessel comprising a pressure body, a drive unit and at least one attachment, e.g. a propeller protection device, which is arranged on the pressure body. In order to exchange the attachment ...
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WO/2006/037401A1 |
The invention relates to a pod ship propulsion system comprising a housing (3) connected to a ship hull (2), an electric drive motor (8) mounted inside the housing at least one propeller (4) disposed outside the housing, wherein said ele...
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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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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/2005/115834A1 |
Boat with a hull with double engines (40) which are controlled by a respective electronic engine control unit (34) and are coupled to a respective outboard drive (5), which drives are rotatable relative to the hull by means of a respecti...
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WO/2005/115835A1 |
Outboard drive for boats, comprising a gear housing (2), an underwater housing (3) connected rotatably to the gear housing, and mounting means (6) arranged between the gear housing and the underwater housing for mounting the drive in a b...
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WO/2005/110840A1 |
An engine assembly (1, 1', 1 ) including at least one pod (2) connected to a supporting leg (3, 3', 3 ), a propeller (4) with at least two blades (14) located at the back of the pod, and an arrangement of at least three flow-directing fi...
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WO/2005/105562A1 |
The present invention provides a new and unique enhancement device for marine propulsion of marine craft and displacement vessels advancing in seawater to facilitate operation at higher speeds with lower-powered engines, resulting in low...
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WO/2005/105567A1 |
Apparatus (10) for protecting the out-drive (13) of a watercraft (11) comprises a locating member (21) adapted for attachment to the underside of the marlin board (17) of the watercraft (10) and a shroud (23) engageable with the locating...
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WO/2005/105571A1 |
A ship which is driven by inboard engines with propellers (3) and by water jets (1) producing jets of water (7). The inboard engines (2) are embodied in the form of electric motors and the water jets (1) are used underneath the bottom of...
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WO/2005/102833A1 |
A control system for a boat, comprising a first hierarchical control module which comprises sensors connected to a throttle to emit a control signal corresponding to the required acceleration and sensors connected to a control device to ...
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WO/2005/102834A1 |
A method and arrangement for function test of steering for a propeller drive on a boat comprising a propeller drive suspended in a housing that can rotate, a servo motor which is arranged to rotate said rotating housing, a position senso...
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WO/2005/102835A1 |
An arrangement and a method for controlling a propeller drive on a boat comprising a propeller drive suspended in a housing that can rotate, a servo motor which is arranged to rotate said rotating housing, a control unit which is arrange...
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WO/2005/102832A1 |
An arrangement and method for parallel alignment of propeller shafts in a first and a second underwater housing arranged on the hull of a vessel, which underwater housings are arranged to rotate around an axis of rotation which is angled...
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WO/2005/100151A1 |
The present invention relates to a method and an auxiliary device in connection with disassembly and/or assembly of a tunnel thruster unit by use of the auxiliary device (1) to guide the thruster unit (2) and its movement during disassem...
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WO/2005/087584A1 |
The invention relates to a bow thruster for ships, comprising at least one propeller (13), driven by one or more engines (11) and built in a housing (5), mounted fixed to the outside of the hull (6). The bow thruster is mounted to the lo...
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