Marine propulsion inventions 02/08

20080050989 - Propeller for watercraft and outboard motor: A propeller for watercraft having excellent abrasion resistance and deformation resistance includes a propeller body having a blade and a hub portion, the propeller body being composed of an aluminum alloy and having a Vickers hardness of no less than about 60 Hv and no more than about 95 Hv;... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20080050990 - Propeller for watercraft and outboard motor: A propeller for watercraft having excellent abrasion resistance includes a propeller body having a blade and a hub portion, the propeller body being molded by casting an aluminum alloy, and an anodic oxide coating provided so as to cover a surface of the propeller body, the anodic oxide coating being... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20080050991 - Generator set exhaust processing system and method: A generator set (genset) for use in a marine environment is disclosed. The genset includes an alternator, an engine dedicated to driving the alternator, and an exhaust port connected to the engine to receive exhaust generated during operation of the engine to drive the alternator. An inner tubular structure is... Agent: Quarles & Brady LLP

20080050992 - Small watercraft: To provide a small watercraft capable of suppressing vibration and noise of a vessel body, a jet pump is mounted to a hull via a thrust plate. A dynamic damper is disposed as an adjunct at a plate mounting portion that attaches the thrust plate to the hull. More specifically,... Agent: Birch Stewart Kolasch & Birch

20080045092 - Amphibious vehicle wheel transmission arrangement: An amphibious vehicle (10, FIG. 8) has a retractable suspension system. The transmission to a driven wheel comprises a plunging CV joint 7 at the outer or wheel end of driveshaft 5, and a fixed CV joint 3A at the inner or differential end of the driveshaft. The fixed joint... Agent: Calfee Halter & Griswold, LLP

20080045093 - De-coupling clutch, particularly for marine use: Stand alone decoupling clutch (10) is used in drive shafts, eg of watercraft. Clutch (10) is separate from any gearbox, etc, does not change the direction of rotation of the drive shaft, and has a single clutch area which allows slippage at any speed or torque. Electronic control system (44)... Agent: Blakely Sokoloff Taylor & Zafman

20080045094 - Marine drive: A stern drive (10) for a boat is provided, which comprises an outer structure (16) that is attachable to the stern (14) of a boat, a housing (44) supported in the outer structure (16), a gear set and reversing clutch (46) inside the housing (44), said gear set including a... Agent: Haynes And Boone, LLP

20080038966 - Water-tight drive-penetration compartment: A water-tight compartment for containing a penetration point on the hull of an amphibious vehicle, comprising a bottom panel comprising the hull of the amphibious vehicle; a forward panel of the box comprising a forward bulkhead of the amphibious vehicle; a rearward panel of the box comprising a rearward bulkhead... Agent: Husch & Eppenberger, LLC

20080038967 - Tiller handle for outboard motors: Proposed is a height adjusting mechanism for a tiller handle (23) of an outboard motor (1). An adjustment piece (45) is detachably attached to the front end of a handle support bracket (22) which extends rearwards from the outboard motor main body (3). The adjustment piece is configured to be... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080032571 - Amphibious robotic device: A control system for a robotic device maneuverable in at least a liquid medium, the system having at least one visual sensor retrieving an image of the device's environment, an image analyzing module receiving the image, determining a presence of an object of a given type therein and analyzing at... Agent: Ogilvy Renault LLP

20080032572 - Cooling system of an amphibious vehicle: Amphibious vehicle 3 has one or more ducts 9 running from a first to a second end of the vehicle; from vent 5 to vent 7, or vice versa. The vehicle prime mover 19, transmission, brakes, and/or electronic controls, may be cooled in the duct. Fan 19 draws or blows... Agent: Fulwider Patton LLP