Marine propulsion inventions 06/06

20060141876 - High-speed sea-going ship comprising a double hull and a waterjet drive: The invention relates to a high-speed, sea-going ship comprising a double hull 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 for the pump assembly. According to the invention, the pump assembly and its drive motor...

20060141877 - Outboard motor having a cowling: An outboard motor 1 has a cowling 10 of a two-piece structure including a top cowl 11 and a bottom cowl 12. Mating portions of the top and bottom cowls include a watertight seal. A first, horizontally-directed sealing portion is not visible from outside the cowling. A second, vertically-directed sealing...

20060141878 - Outboard motor with cowling: An outboard motor includes an engine. A cowling body defines an internal cavity in which the engine is enclosed. A partition member divides the internal cavity into a first cavity and a second cavity. The first cavity communicates with outside through a first opening for introducing ambient air into the...

20060135006 - Corvette ship-type equipment system: A corvette ship-type equipment system includes standard-equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, and a hull which is adapted to the size and specific requirements on the corvette ship-type equipment system. In order to construct standard equipment-segments for a corvette ship-type...

20060135007 - Outboard engine system: A thrust receiver abuts against an expandable and contractable trim rod to adjust a trim angle of a body of an outboard engine system. The thrust receiver includes a shaft portion rotatable about an axis generally parallel to an axis of the trim rod, and a pressure-receiving portion provided on...

20060135008 - Outboard motor: An outboard motor comprises a cowling, having a top cowling and a bottom cowling, that cooperate to define an engine compartment. An intake air duct draws outside air into the engine compartment. A water collecting part is arranged in the bottom cowling for accumulating water that may enter the cowling...

20060135009 - Heater and a method for delivering heat energy from a water cooled two cycle marine engine: A heater and method for delivering heat energy from a water cooled two cycle marine engine is described and which includes an exhaust expansion chamber operably coupled with a two cycle marine engine, and wherein the two cycle marine engine produces a source of heated water; a heater coupled in...

20060128235 - Prevention of cavitation corrosion: The present invention directly deals with the problem of cavitation corrosion by modifying the hub of a propeller to eliminate low pressure areas. The present invention is the placement, formation, and/or insertion, on a propeller, of a non-smooth area in each facet of the hub between each of the blades....

20060128236 - Outboard motor shift device: An outboard motor shift device having a clutch engageable with a forward gear or a reverse gear, a shift rod rotatable to slide the clutch to engage with the gears, an electric motor connected to rotate the shift rod, a speed reduction gear mechanism transmitting an output of the motor...

20060116031 - Trolling motor mount: A trolling motor for use with a watercraft is disclosed. The trolling motor comprises a head portion, a propulsion unit, a shaft coupling the propulsion unit to the head portion, and a mounting system configured to secure the trolling motor to the watercraft and to pivot the trolling motor between...

20060116032 - Amphibious recreation vehicle: An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electric, screw actuated cylinders and pistons or manual linkage control the steering of...

20060116033 - System and apparatus for improving safety and thrust from a hydro-drive device: A system and apparatus are disclosed for improving safety and hydro-flow thrust from a hydro-drive device. The apparatus may include a shroud having a first opening for the ingress of water, and a second opening for the egress of water, a diverter connected with the shroud and angled in a...

20060116034 - Outboard drive with speed change mechanism: An outboard drive includes a prime mover having an output shaft. A driveshaft is coupled with the output shaft. Both shafts having axes that extend at least generally parallel to each other. A propulsion device is coupled with the driveshaft. The prime mover rotates the output shaft to drive the...

20060116035 - Outboard motor: An outboard motor has a cowling for enclosing an engine. Air inlet openings are formed in the cowling. An air intake chamber connects the air inlet openings and an air intake duct. Air that flows through the air inlet openings passes through the air intake chamber to the air intake...

20060116036 - Method and apparatus for decreasing marine vessel power plant exhaust temperature: According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that includes a turbine coupled with an electrical...

20060116037 - Method and apparatus for monitoring boat decelelation during rowing: The rowing measurement system provides methods and apparatus for improving the performance of a boat by measuring the effect of boat deceleration and providing in-boat feedback to the crew so they can minimize the effect. Specific boat data including speed, distance, stroke rate, acceleration and deceleration can be derived from...