Marine propulsion inventions 10/06

20060240720 - Outboard motor control system: In an outboard motor control system, equipped with two outboard motors and actuators for steering, changing shift position and regulating engine speed, two navigation units responsive to operations of the operator for producing outputs indicative of actuator operation commands, two ECUs that control the operation of the actuators based on...

20060240721 - Water-running device for automobile: A water-running device has right-and-left floats attached to an automobile. Rotary joint sections and rotary screws of the floats have free joints and blades respectively. The rotary joint sections are linked with wheels of the automobile....

20060240722 - Outboard motor tilt actuator with shock damping feature: A tilt actuator for an outboard motor wherein shocks acting on the actuator are initially dissipated at a first damping rate and then at a higher damping rate near the end-of-stroke of the actuator's piston. The tilt actuator comprises a cylinder. a piston, a piston rod and a damper member,...

20060240723 - Outboard motor: In an outboard motor mouhted on a stern of a boat, comprising a power source and a driven unit including a drive shaft connected to the power source and a propeller connected to the drive shaft through a gear mechanism, wherein the power source is detachably connected to the driven...

20060234566 - Outboard-type generator: An outboard-type generator includes a generator body mountable on a transom of a hull. The outboard-type generator includes an engine and a generator driven by the engine. The generator may be an inverter type generating unit and be connected to an end of a crankshaft of the engine. The generator...

20060234567 - Wheel suspension and retraction system: A mechanism is provided by which the wheels of an amphibious vehicle are simultaneously retracted or protracted for switching between a land mode and a marine mode of operation. Each of a transversely spaced pair of wheels is supported by a horizontally arranged spring and damper combination acting on at...

20060234568 - Operation device for a water-jet propulsion watercraft: An operation device for a water-jet propulsion watercraft includes a first rotational shaft and a second rotational shaft. A first link can be rotatable about the first rotational shaft and a second link can be rotatable about the second rotational shaft. A bridging link can be configured to be capable...

20060234569 - Powerboat: A powerboat includes a hull, a driving mechanism, which is formed of an engine and a driveshaft and is mounted inside the hull around the connection area between the bottom and transom of the hull, a shield fastened to the transom outside the hull and defining a semicircular waterway, a...

20060228956 - Outboard motor: In an outboard motor adapted for mounting on a boat and equipped with an internal combustion engine, an electric motor, a battery for supplying voltage to the engine and electric motor, and a controller for controlling the operation of the electric motor, the controller is disposed near the battery. In...

20060228957 - Turbo-jet pump and water jet engine: Turbo-jet pump—water jet engine is a totally new solution for driving vessels on the water surface and under water, ships and submarines, and setting them to speeds of over 50 m/s (over 185 km/h or over 100 knots). The basic design involves the pump housing (1), which in its rear...

20060228958 - Variable area pump discharge system: A highly efficient watercraft propulsion system that operates continually submerged and relies on a non-circular variable area pump discharge opening which is configured, positioned and oriented so as to maximize the hydraulic reaction between the high velocity water jet stream and the surrounding body of water and is driven by...

20060228959 - Pontoon boat with jet propulsion drive: To provide a pontoon boat with jet propulsion drive in which the jet propulsion drive is located within each pontoon, the steering nozzle extends from the rear or aft pontoon end cap and the motor for the jet propulsion drive is located either inside the pontoon or on the deck...

20060228960 - Integrated marine vessel hull for energy storage: A hull structure is provided for a marine vessel having an inner hull and an outer hull. An energy storage device is provided between the inner hull and outer hull. The energy storage device has one or more hollow tubes, or has a honeycomb structure. Hydrogen or oxygen can be...

20060223387 - Propulsor with inlet fluid inducer: Presented is a fluid propulsor for propelling a vehicle that incorporates a Coanda Effect Inducer (CEI), more commonly called an inlet fluid inducer in this application, in its inlet to induce fluids passing by the vehicle to turn uniformly toward a powered fluid energizing device such as a rotor of...

20060223388 - Trim adjusting device for small surface boat: A trim adjusting device for a surface boat is provided that includes a nozzle for projecting jet water rearward arranged rearwardly of a jet propeller arranged in a boat body; a nozzle drive mechanism connected to the nozzle for operating the nozzle upward or downward; and an operating means arranged...

20060223389 - Jet pump tail cone insert: The present disclosure relates to a jet pump tail cone insert for a jet pump. The jet pump tail cone insert comprises a cap, a body and an end member. The end member has a plurality of projections configured to matingly receive a plurality of forks of the body. When...

20060223390 - Amphibious water motor: Our invention is a new method of directing the thrust of a water propeller without rotating the engine. The Propeller Position Unit performs the function. The internal water jacket in the Propeller Position Unit permits multiple 360 degree position rotations. The Retraction Plate design permits vertical motion, rotational motion and...

20060223391 - Drive shaft supporting structure for a small boat, and personal watercraft incorporating same: A drive shaft supporting structure for a small boat is provided which permits simplification of a hull and for which manufacturing productivity is increased. The drive shaft supporting structure includes a shaft-supporting member for rotatably supporting a drive shaft inside of a hull, and an elongate cylindrical sleeve. The cylindrical...

20060223392 - Air intake device for watercraft: An air intake device for a watercraft adapted to suppress noise generating from an intake system of an engine and can obtain good intake efficiency. The air intake device includes intake ports opening to a side surface of the engine, and an air cleaner located on the rear side of...

20060223393 - Exhaust device of boat: An open/close valve can decrease the exhaust resistance as much as possible in a usual operation. An open/close valve includes a valve casing and a valve element that is housed in the valve casing in a vertically movable manner. The valve casing includes a cylindrical portion that extends vertically. A...