Marine propulsion inventions 07/09

20090191772 - Oscillating-foil type underwater propulsor with a joint: An oscillating-foil type underwater propulsor with a joint provided in the invention, the propulsor including a streamline foil having a foil surface being parallel to a water surface and a span length of at least twice as long as an average chord length of the streamline foil, and a heaving... Agent: Martine Penilla & Gencarella, LLP

20090191773 - Method and apparatus for absorbing, dampening and/or reducing sounds and vibrations created by the use of an electric trolling motor; which at the same time protects the trolling motor against damage by dampening force and/or sounds from external trauma: A covering created to be attached to an electric trolling motor propulsion unit and/or shaft in order to absorb the sounds and vibrations created during the use of the trolling motor. The Invention is created from a material, such as rubber or synthetic rubber or of another material with sound... Agent: Jerred Lloyd

20090191774 - Outboard motor with reverse shift: An outboard motor for small watercraft, such as a pleasure boat, has a capability of changing between a forward shift position and a reverse shift position by causing a lower part of the unit to rotate in small increments and move along an arc formed by a ratchet plate secured... Agent: Keaty Professional Law Corporation Thomas S. Keaty

20090186535 - Method and apparatus for powering of amphibious craft: The methods and apparatuses of the present invention provides for powering and maneuvering (forward, reverse and steering) systems for amphibious vehicle, marine vessel or ground vehicle operation and control. An improved propulsion system may incorporate the use of electric motors combined with impellers which use positive and negative magnetic torque... Agent: Greenberg Traurig, LLP

20090186536 - Lever powered watercraft: Embodiments of the disclosure include a flotation device or watercraft propelled through the water using a lever powered propulsion system. The lever powered propulsion system includes human powered actuating levers operably connected to a reciprocating propulsion device. As a rider powers the levers up and down, that motion translates to... Agent: Knobbe Martens Olson & Bear LLP

20090186537 - Torque transmission device for a ship: The invention is directed to a torque transmission device for a ship for optionally transmitting a drive torque from a main drive or from an auxiliary drive to a propeller shaft (1, 2, 3) of the ship, with a gear unit (10, 11) which can be driven by the main... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090181584 - Method for performing overhead work using air-propelled vessel with articulating member: A method of using a wide, flat-bottom, buoyant, amphibious hull with a powered articulating member mounted on the deck. The hull is propelled by at least one engine-driven propeller rotating above the hull. The hull has a shallow draft and distributes its weight over a large area. These features cooperatively... Agent: Ted M. Anthony Babineaux, Poche, Anthony & Slavich, L.l.c

20090181585 - Outboard motor: An oil supply device includes an axial oil passage and an intersecting oil passage provided in a propeller shaft, an axial oil passage and an intersecting oil passage provided in a drive shaft, and an oil guide passage. The intersecting oil passages allow oil inside the axial oil passages to... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090176417 - Method and apparatus for providing power to a marine vessel: A system and a method for providing power to a marine vessel and, more particularly to a tugboat is disclosed. The system includes diesel engines and generators and batteries which can be charged using power supplied by the generators, shore power or regenerated power. The tugboat is operated utilizing battery... Agent: Triantaphyllis Law Firm

20090176418 - Boat: A boat includes a steering load detector arranged to calculate an output value of a steering motor necessary for steering an outboard motor in a traveling state, a motor output detector arranged to detect a possible output value that can be output by the steering motor, a prediction determination unit... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090176419 - Submersible propulsor unit: A submersible propulsor unit, comprising: a duct defined between a duct hub and a duct wall, the duct having a water inlet and a water outlet, a propeller means rotatably mounted within the duct, and an array of stator vanes extending between the duct hub and the duct wall, wherein... Agent: Oliff & Berridge, PLC

20090176420 - Outboard motor: An outboard motor includes a transmission device disposed on a middle portion of a drive shaft driven by an engine. The transmission device includes a forward-reverse switching device housed in a transmission case. Lubricating oil for lubricating the forward-reverse switching device is stored in the transmission case. The transmission case... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090170382 - Push pole for a boat: A push pole for manually propelling boats, including a shaft and a foot. In a preferred embodiment, the foot is flared at the bottom end in an inverted V-shape, and a pivoting pin is located along one side of the foot, and pivots outwardly from the foot so that it... Agent: Monahan & Moses, LLC

20090170383 - Water intake grill for personal watercraft: A water intake grill for attachment to a water intake port of a jet watercraft. The water intake grill comprising a plurality of elongate members situated in between and mounted to fore and aft mounts. The fore mount comprising a base having an angularly orientated bottom surface for receiving and... Agent: Michael A. Mochinski Attorney At Law

20090170384 - Support system for a marine propulsion device: A support system for a marine propulsion device attaches a plurality of mounts to a transom, or transom plate, of a marine vessel. The mounts remain generally stationary with respect to the transom when the outboard motor is trimmed or tilted about its trim axis. This allows easy access to... Agent: William D. Lanyi

20090170387 - Boat propulsion system and boat including the same and boat control device and boat control method: A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090170385 - Outboard motor: An outboard motor includes a lower casing provided below an upper casing, amounting plate provided above the upper casing, and an engine with a vertically-arranged crankshaft mounted on the mounting plate. The rotation of the crankshaft is transmitted to a drive shaft that is pivotally supported in the upper casing,... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090170386 - Outboard motor: In an outboard motor, a lower casing is located below an upper casing, and an engine with a vertically-arranged crankshaft is mounted above the upper casing. The rotation of the crankshaft is transmitted to a drive shaft pivotally supported in the upper casing, has its speed changed by a transmission... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP