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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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WO/2005/077752A1 |
A marine outdrive (2) steering and trim system comprising a support linkage (26) which is either of fixed length (non-trimmable) or of an adjustable telescoping length (trimmable) and having a first end (28) pivotally mounted to the tran...
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WO/2005/073080A1 |
Disclosed is a protective device (14) for the drive unit (10) of a watercraft such as a sport motorboat, a fishing boat, or similar, especially with a Z drive. In order to prevent mussels or algae from growing on the drive unit (10) whil...
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WO/2005/049420A1 |
The invention relates to a jet propulsion engine, especially for watercraft, comprising a rotor (1) on the inside of which blades (2) are disposed, and a housing (3) in which the rotor (1) is rotationally received. The bearing system bet...
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WO/2005/047059A2 |
A screw drive vehicle (10) has a main housing (20) with forward and aft ends (22, 24), and first and second lateral sides (26, 28). A first support arm (72) rotatably supports a first pontoon assembly (70a) from the first lateral side of...
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WO/2005/042343A1 |
This invention focuses on enhancing the speed of all types of water borne vessels by utilizing the water flowing past the hull to rotate additional propellers (40). The water flowing past the hull is collected using inlet conduits and is...
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WO/2005/035353A1 |
The invention relates to a watercraft, especially a river boat (10) with a hull (12) for receiving useful devices (14), and propulsion units (16) that are arranged on the hull and used to generate a driving force. The inventive watercraf...
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WO/2005/030573A1 |
The object of the invention is a propulsion arrangement for a ship or a corresponding seagoing vessel. The propulsion arrangement includes a main propeller (4), the shaft (6) of which is fitted to the vessel's hull (2) and is rotated in ...
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WO/2005/028301A1 |
Disclosed herein is an acceleration system for a link belt mounted ship. The acceleration system comprises a center buoyancy tank (10) and side buoyancy tanks (20) mounted at a body (100) of the ship, wheel shafts (30) transversely penet...
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WO/2005/023634A2 |
Low drag underwater submerged lifting bodies (30, 40, 45, 104) which can be used as underwater displacement portions of a vessel (100) whose main hull (50) is at sea level whereby the lifting bodies (30, 40, 45, 104) are asymmetrical and...
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WO/2005/021374A1 |
The invention represents mechanically simple solution for upgrading of contra-rotating propellers with variable pitch ability. This is aimed to enable use of non-reversing, constant speed running prime movers for marine propulsion adding...
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WO/2005/021372A1 |
The invention is aimed to substitute ship propulsion installation comprising two complex rotatable (steerable) thrusters with simpler, stronger and cheaper system having equal or better propulsive efficiency in such cases when vessel’s...
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WO/2005/021373A1 |
The invention is featuring simple technical solution for blades pitch control of two marine propellers put in contrarotating relation. The arrangement comprises two hollow concentric shafts driven in opposite direction of rotation by mea...
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WO/2005/014389A1 |
Marine propeller shaft assembly (1), for counter-rotating propellers (not shown), includes inner shaft (2) and coaxial, counter-rotating, outer shaft (3). Seals are situated between shaft (3) and housing (5) and between inner and outer s...
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WO/2005/012075A1 |
A device for increasing the yaw stability of a ship (1) with a bulb (3) and an azimuth propeller drive device (7) which is mounted at the ship's (1) bow (2) and stern (6). According to the invention a bow fin keel (5) protrudes downwardl...
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WO2004092007A9 |
The device has a propulsion set with a rigid structure containing a engine for rotating a propeller (3) at the interior of a cylindrical turbine using a shaft turning between the engine and propeller. A displacement unit (101) moves the ...
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WO/2004/108522A1 |
A marine propeller drive (1) for boats, including a gearbox (10) for a motor transmission and an associated impelling propeller (12), where said propeller (12) is provided with a propeller hub (14), the main peripheral cross-section dime...
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WO/2004/096638A1 |
A wake adapted propeller drive mechanism delays or reduces cavitation or stall in a propeller drive mechanism mounted for rotation at the stern of a hull so as to be rotatable in a wake produced by forward motion of the hull through the ...
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WO/2004/092008A1 |
Based on the law of dynamic water-separation, in this invention, a new type of front-mounted booster water-separation propeller has been designed to raise a vessel's speed by reducing resistance from water and increasing the advance forc...
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WO/2004/090239A2 |
A stowage system for stowing a smaller boat (20) on board a larger parent boat (10) is provided. A well (12) sized to receive the smaller boat is formed below the aft cockpit deck (14) of the parent boat adjacent the stern (16). A movabl...
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WO/2004/089740A1 |
The invention relates to a method and an apparatus to control a propulsion drive. The propulsion drive comprises at least one first propeller drive, which rotates the first propeller and by which the propulsion power and/or rotating spee...
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WO/2004/083033A1 |
An outboard drive unit (10) for a watercraft to allow propulsion of the watercraft in mud and water. The drive unit has a reduction gear assembly (86,92) mounted between a motor (12) and a propeller assembly (120), thereby allowing an en...
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WO/2004/080792A1 |
The invention relates to a bow control device, which is mounted in a similar manner to an outboard motor on the bow of the front barge (2) of a barge and push-tug assembly. Said control device has a steering and driving function and is c...
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WO/2004/074089A1 |
Propeller combination for an aft-mounted boat propeller drive unit with counter-rotating pushing propellers (8,9). The forward propeller (9) is made with blades (12) which have blade tips with an outer edge (b) which approaches a straigh...
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WO/2004/074088A1 |
The invention relates to a ship's propulsion system, especially for a large, sea-going ship, comprising a master machine, preferably a diesel engine which drives a first propeller by means of a propeller shaft as a main shaft. Said syste...
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WO/2004/074680A1 |
A power generator assembly incorporates a series of four blades (1) of vane-like form. Each blade (1) is mounted on a shaft (2) in a support structure incorporating an integral cog wheel (3). Each of the four cog wheels (3) are linked by...
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WO/2004/067379A1 |
The present invention relates to a steering and propulsion arrangement in a large ship suited for transoceanic traffic, which arrangement comprises a number of propulsion devices situated partly at the rear and partly at the forebody of ...
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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/2004/056654A1 |
In a counter rotating propulsion system (CRP), whereby the aft propeller (22) and the forward propeller (6) have opposite directions of rotating and the aft and forward propellers are arranged against each other, the forward propeller is...
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WO/2004/050476A1 |
The invention relates to a Z-drive (30) for a watercraft, said drive comprising an upper part (2), a lower part (3) and a propeller (4). At least the propeller (4) can be moved by means of a clutch housing (7), a cardan housing (8), and ...
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WO/2004/050477A1 |
The invention relates to a watercraft (1) comprising a hull (2), at least one motor (12) which is fixed in or onto said hull, and a propeller (4) which is driven by the motor by means of a transmission (3). According to the invention, at...
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WO/2004/048194A1 |
Cutting apparatus for cutting debris from a propeller (16) fixed to a propeller shaft (15) comprises a spool (12) and a cutting blade (14). The spool (12) accumulates debris thereon, and is fixed to the propeller shaft (15) or the propel...
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WO/2004/041635A1 |
The present invention relates a hydraulic system (1) arranged between a first marine propulsion device (2, 42) and a second marine propulsion device (3, 43), which are each arranged so that they can rotate about a respective axis (6, 7, ...
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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/2004/026677A1 |
The invention relates to a speedboat boat-type equipment system comprising standard-equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, and a hull (1) which is adapted to the size an...
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WO/2004/026685A2 |
The invention relates to a marine-(navy) or commercial or yacht ship-type equipment system for electrically driven ships having different sizes and driving power, whereby the ships, as well as coast guard boats and customs boats, compris...
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WO/2004/026684A1 |
The invention relates to a frigate ship-type equipment system comprising standard equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, also comprising a hull (1) which is adapted to t...
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WO/2004/026682A1 |
An installation system vessel type fighting boat , which is preferably designed as an unmanned installation system vessel type fighting boat , has standard installation segments such as a power generator segment, a power distribution seg...
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WO/2004/026683A1 |
The invention relates to a corvette ship-type equipment system comprising standard-equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, and a hull (1) which is adapted to the size and...
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WO/2004/020281A1 |
According to the invention, the immersion depth of the propeller of a boat (1) below the water line (11) is altered in accordance with the operating condition of said boat.
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WO/2004/020279A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/020278A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/020280A1 |
The invention relates to a propeller comprising a base (2, 15) and numerous blades (1, 14) which extend out from said base and which are inclined upstream, i.e. in the direction of movement (D1), towards the front of the vessel. The afor...
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WO/2004/005130A1 |
A watercraft comprising a shell having an upper skin (13) adapted to support at least one operator, and a lower skin (15) defining a hull (23) for contact with the water. The watercraft also comprises two floatation assemblies (36, 37) w...
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WO/2004/000641A1 |
A propeller spinner (5) for a marine propeller (1), said propeller comprising multiple propeller blades (2) attached to a propeller hub (3) adapted for attachment to a propeller shaft (4) and comprising a sacrificial anodic material for ...
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WO/2004/000640A1 |
A pulling marine propeller (1) comprising multiple propeller blades (4) attached to a propeller hub (5), said propeller hub (5) being attachable to a propeller shaft (9) extending from a drive housing (10) located downstream of the prope...
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WO/2003/101830A1 |
The invention relates to an electrical rudder propeller (4) for a navy ship, e.g. a frigate, a corvette or a fast patrol boat. Said rudder propeller comprises at least one electric motor (5, 6) and at least one propeller (4) which is arr...
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