Marine propulsion inventions 01/06

20060019552 - Control system for watercraft propulsion units: A watercraft control system is provided in which shift and thrust of outboard motors can be controlled through adjacent two operating levers in the watercraft having three or more outboard motors mounted in parallel on a transom plate. The control system can be provided with a control circuit for detecting...

20060019553 - Method and apparatus for retrieving energy from a flowing stream of water: A boat for retrieving energy from a flowing stream of water, such as a river or tidal flow, which can be easily moved to a convenient location and which is capable of capturing a significant portion of the energy of the flowing stream. The boat has a bottom and two...

20060019554 - Pedal mount for an electric trolling motor: A boat including a hull and a floor positioned within the hull. A pedal mount is secured to the floor. The pedal mount defines a pedal recess sized to receive a pedal for controlling a trolling motor....

20060019555 - Vessel propelled by oscillating fin with control mechanisms: A marine propulsion system emulates the fishes swimming motion yet is highly maneuverable as it permits changes from forward to reverse motion while underway. In other aspects, the propulsion system may be designed and optimized for efficient human powered propulsion....

20060019556 - Air-boat sound suppressor and directional control system: The instant invention relates to a sound suppressor and directional control system for use with a boat hull propelled by a rearward directed jet of air, e.g. an air-boat. The device includes a propeller shroud and a aft fairing each having a layer of acoustic material to reduce sound generated...

20060019557 - Outboard motor: An outboard motor cam have a power transmission mechanism for transmitting rotational power of a crankshaft of an engine to a propeller through a drive shaft, an advancing/reversing-switching mechanism and a propeller shaft, and adapted to be propelled by the propeller being driven for rotation. A torque variation-absorbing device can...

20060019558 - Steering system for outboard drive: A steering system for an outboard drive includes a steering handle furnished on a watercraft, a steering device, a lever that has first and second ends, and a sensor. The first end of the lever is attached to the drive. The sensor senses an actual position of the steering handle...

20060014445 - Outboard jet drive marine propulsion system and control lever therefor: A jet pump for an outboard propulsion marine engine includes a support member and at least one impeller blade extending helically from said support member At least one induction blade extends helically from said support member. A stator having a volume reduction member is disposed downstream of the blades. The...

20060014446 - Marine engine skeg-boot, protection, absorption, permanent conversion and horizontal lift wing component: A marine engine lower unit which contains the gear housing and skeg blade is exposed to damage below the water line due to structures striking the skeg. The Skeg-Boot is a component that totally encapsulates the skeg blade unit from the lower gear housing to the lower edge on the...

20060014447 - Control device for outboard motors: A control method can be provided for a watercraft that has three or more outboard motors mounted thereon side by side with each other. Two control levers which are primarily provided for shift and throttle controls of respective two of the outboard motors located on the outer-most sides make shift...

20060009092 - Electric water crafts: An electric personal water craft. The electric personal water craft produces its own electricity from an on-board fuel cell system. Hydrogen fuel is stored or produced within the hull of the personal water craft. The heat produced by the fuel cell stack can dissipated to the water environment for heat...

20060009093 - Surface effect craft: The present invention relates to a surface effect craft comprising a supporting deck structure having two pontoons mounted thereto in catamaran like fashion. A propulsion mechanism is mounted to a rear portion of the deck structure. A lift control member is disposed under the deck structure between the two pontoons....

20060009094 - Outboard waterjet: An outboard waterjet propulsion system for a marine vessel having a bottom and a transom with a top edge, the propulsion system comprising: an intake duct with grid bars; a motor; an impeller with an impeller hub and driven by the motor; a steering deflector; and a diffusor with a...

20060009095 - Jet propulsion boat: To provide a jet propulsion boat that enables preventing the occurrence of cavitation. In a jet propulsion boat that jets water pressurized and accelerated by a water jet pump from a rear jet nozzle and is propelled by its reaction, a turbocharger is provided to an engine for driving the...

20060009096 - Outboard motor control system: In an outboard motor control system equipped with an electric throttle motor for moving the throttle valve of the engine mounted on the outboard motor, an electric shift motor for operating the shift mechanism to establish one from the in-gear, neutral and reverse shift positions, and a low-speed cruising switch...

20060009097 - Integrated marine motor support and transmission apparatus: An integrated motor support and transmission apparatus for a marine propulsion system having a motor and marine drive with a drive shaft, comprising: an output shaft; a support housing attached to a marine vessel and having an upper end and a lower end, the upper end supporting the motor and...

20060003643 - Water jet drive for marine vehicles: A compact operational retro-fit drive plant, for installation in the base of the bow or stern of various types of marine vehicle, in particular of displacement types, which serves for maneuvering and traveling at cruising speed on normal and particularly flat stretches of water. The drive plant includes a simple...

20060003644 - Steering handlebar for outboard motor: A tiller handle assembly for an outboard motor is provided that comprises a steering handle having a generally hollow body. A throttle grip is attached to a front end of the steering handle, and a shift mechanism coupled to the steering handle. The shift mechanism includes an moveable operator that...

20060003645 - Paddle hand grips and method for making and using same: A comfort hand grip for a shaft comprises a tubular member formed of a closed cell resilient polymer material core; and a water resistant coating on each side of the core. The comfort grip is sized so as to be slightly stretched when positioned on a shaft, and includes an...