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Patent Searching and Data


Matches 601 - 650 out of 3,936

Document Document Title
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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, ...  
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/2004/026677A1
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2003/095302A1
The invention relates to a propeller shaft arrangement for a seagoing displacement vessel (1) with a hull (2) and a propulsion system comprising at least one engine (3), at least two propeller shafts (4) and at least two propellers (5). ...  
WO/2003/093105A1
Boat hull with outboard drive unit, said drive unit (5) comprising an underwater housing (6) mounted on the outside of the hull bottom (1) and a gear housing (11) mounted on the inside of the hull bottom and joined to the underwater hous...  
WO/2003/093106A1
Outboard drive unit for boats, comprising an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (1...  
WO/2003/074355A1
Propeller device for marine drive units, comprising at least one propeller shaft (2, 4) provided with external splines (6, 7), and at least one propeller with a propeller hub (8, 10) having internal splines (9, 11) in engagement with the...  
WO/2003/070566A1
A Counter-Rotating Shaft Drive Mechanism for a boat comprises an engine gearbox output shaft coupling (2); a differential arrangement which creates counter-rotating outputs in a dual output shaft arrangement and comprises a housing (1) a...  
WO/2003/070567A1
Disclosed is a seagoing boat which is driven by at least two rudder propellers and has a hull for transporting cargo or passengers. Said rudder propellers are preferably embodied as electric rudder propellers (PODS) (3). The hull has an ...  
WO/2003/068595A1
The present disclosure describes a marine propulsion system for use in combination with a vessel (1), in which a prime mover, such as an inboard engine or equivalent, is mechanically interfaced, for example via a shaft and strut system o...  
WO/2003/066428A1
The invention relates to an arrangement for steering a water-craft (1), which comprises at least one main propulsion device (3, 3a, 3b, 11, 11a, 11b, 11c), which is arranged to push the water-craft (1) forward or backward, and a number o...  
WO/2003/064249A1
A transmission system, for a marine craft of the surface drive type, has an input drive (8) for connection to an engine (7) and to which is connected a transmission (1). A pair of output drives (2) are offset from the input drive and con...  
WO/2003/064250A1
Disclosed is a holding device for fixing a protecting cage to the shaft of the outboard engine of a boat, comprising a ring element (5) which is placed around the shaft (1) of the outboard engine and is detachably fixed thereto by at lea...  
WO/2003/051709A1
A self-guided apparatus for repelling birds through various means of deterrence. The device comprises a chassis, a floatation assembly, a propulsion system, and a guidance and control system. The device may operate in either of at least ...  
WO/2003/047961A2
The invention relates to a boat propulsion system comprising at least one propeller (8), at least one electric motor (7) by means of which the at least one propeller can be driven, and one converter-fed power supply unit. The at least on...  
WO/2003/047965A1
The invention relates to a device for course correction of POD-driven ships, comprising a POD ship drive mechanism (2), which has at least one propeller (3, 4) for generating a propeller stream and a course correction rudder (5) that is ...  
WO/2003/045775A1
A watercraft (11) comprising a shell having an upper skin (13) adapted to support at least one person, a lower skin (15) defining a hull (23) for contact with the water, an aperture (24) extending through the upper and lower skin and def...  

Matches 601 - 650 out of 3,936