Marine propulsion inventions 06/08

20080153365 - Mobile system for catalytic production of diesel oil: A system includes an apparatus for catalytic production of diesel oil from organic residue, and a vehicle, wherein the apparatus is arranged on the vehicle to thereby render the apparatus mobile. The catalytic apparatus includes a fuel supply line which is fluidly connected to a drive unit of the vehicle.... Agent: Henry M. Feiereisen Henry M. Feiereisen, Llc

20080153368 - Tilt/trim assembly and method: A transom shield assembly adapted to be coupled to a transom of an inboard/outboard boat includes a transom shield, and a cover, attachable to the transom shield, for covering a trim pump. The transom shield assembly permits a trim pump to be hydraulically connected to a trim cylinder to form... Agent: Wrb-ip LLP

20080153366 - Marine screw drive with line cutter: A line cutter in the form of an apertured disk or plate mounts onto the housing of a propeller drive or screw drive. The line cutter mounts over the propeller shaft, and covers the propeller shaft seal. The line cutter opening has a small clearance over the shaft which is... Agent: Bernhard P. Molldrem, Jr.

20080153367 - Internal elastomer damper for vehicular propeller shafts: Ringing noise in a tube or in tubes comprising a propeller shaft of an automotive drive is attenuated by an elastomeric ring positioned in each shaft. The elastomeric ring is a split ring, preferably made of recycled rubber, wherein the ring normally has a rectangular shape and is bent into... Agent: General Motors Corporation Legal Staff

20080146095 - Outboard motor: An outboard motor has a construction in which the area of an exhaust passage can be secured easily and exhaust noise is less likely to escape into the air, allowing the exhaust noise to be lowered. The outboard motor includes a lower case, a propeller shaft rotatably supported in the... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20080146096 - Watercraft swivel drives: Enhanced watercraft performance is provided by combinations of one or more inboard swivel propulsion drives and hull tunnels. A tunnel at the hull centerline with specific features provides performance advantages for a center swivel propulsion drive. Use of front propeller based traction propulsion is particularly advantageous in the swivel drive... Agent: Volvo Corporate Patents

20080146097 - Propeller thrust transmission device for a watercraft propulsion device: A propeller thrust transmission device for a watercraft propulsion device prevents an occurrence of a precession of a spacer on an entire circumference around a taper part if a water resistance force acts upward on a propeller. The propeller thrust transmission device includes a taper part of an outer shaft... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20080146098 - Sealing structure of outboard motor: A sealing structure of an outboard motor comprises: a bottom cowling 11 covering a lower part of an engine 102; a top cowling 12 covering an upper part of the engine 102; and a sealing material 30 through which said top cowling 12 is attached to said bottom cowling 11,... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20080146099 - Rowing oar handle: A rowing oar handle comprising a first portion and a second portion, in which the first portion and the second portion are axially rotatable to one another, and in which in use the point of rotation is located between a user's hands.... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080139059 - Foot-operated steering and control system for a variety of watercraft with dual propulsion units.: A steering and control system which utilizes simple movement of an operator's feet to independently vary thrust from a pair of propulsion units, each mounted on opposite sides of a centerline of a watercraft. By varying an amount and direction of thrust, the watercraft may be steered in a multitude... Agent: John Zimmerlee

20080139060 - Amphibious vehicle: A planning amphibious vehicle with retractable wheels and a sit-astride seat having dimensions that impart enhanced capability in both land as well as water modes of operation. The beam, track, dead rise angle and the location of the handlebars cooperate to enhance freeboard and ground clearance without sacrificing maneuverability. The... Agent: Fulwider Patton LLP

20080139061 - Spindle with overmolded bushing: A propeller assembly is provided for mounting on a propeller shaft of a watercraft. The propeller assembly includes a housing structure having a plurality of blades projecting radially therefrom. A bushing assembly translates rotatational movement of the propeller shaft to the housing structure. The bushing assembly includes a spindle having... Agent: Boyle Fredrickson S.c.

20080132127 - Electric motor assisted propulsion system for human-powered watercraft: A propulsion system for watercraft for personal enjoyment that incorporates human power with electric motor assistance, energy storage and optional solar power to achieve increased watercraft speeds and/or reduced pedaling effort. Control electronics enable operator-adjustable electric motor assistance to the propulsion, thereby providing flexible pedal cadences and efforts and enjoyment... Agent: Patrick Lee Jansen

20080132128 - Trim and tilt apparatus: A trim and tilt system for use with an outboard propulsion unit on a marine craft having a transom. The trim and tilt system comprises a stern bracket configured to be mounted on the transom of the marine craft and a swivel bracket for supporting the outboard propulsion unit. The... Agent: Baker & Hostetler LLP

20080132129 - Engine comprising oil supplying apparatus: An oil supplying apparatus for supplying the oil to an engine of a watercraft can be provided with an oil sump, a vapor-liquid separation chamber, a scavenging pump for sending the oil in the oil sump to the vapor-liquid separation chamber, a transfer path for returning the oil from which... Agent: Knobbe Martens Olson & Bear LLP