Marine propulsion inventions 04/09

20090111339 - Small boat: A small boat includes engines mounted on a hull, a plurality of water jet propulsion units disposed on both sides of a longitudinal axis of the hull and driven by the engines, and a steering wheel arranged to change jet directions of the water jet propulsion units. The small boat... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090111338 - Water jet propulsion boat: A water jet propulsion boat includes a fuel pump driven by an electric control unit and arranged to deliver fuel from a fuel tank to an engine via a fuel pipe, and a fuel pressure sensor arranged to detect a pressure of the fuel delivered to the engine by the... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090104824 - Pod propulsion system with rim-mounted bearings: A pod propulsion system comprises a housing defining a fluid duct and an annular drum rotatably mounted to the housing within the fluid duct. The annular drum has a drum interior and a cylindrical outer surface. The system further comprises a rotor mounted to the drum for rotation therewith, the... Agent: Alston & Bird LLP

20090104825 - Boat propulsion engine: A boat propulsion engine (1) comprises a main body (4) that extends substantially vertically in relation to a hull (Si), a lift generator (20) disposed in a rear portion of the main body (4), and supporting bodies (24) that support the lift generator (20) on the main body (4). The... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090104826 - Outboard engine: An outboard engine includes a buoyant member (20). The buoyant member has concavities (20L, 20R; 120L, 120R) formed in at least one side thereof. A plurality of outboard engines is mounted in parallel on the stem, and the concavities prevent interference with the other adjacent outboard engines when any of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090098782 - Two phase water jet propulsion for high-speed vehicles: A water jet propulsion apparatus having an engine producing an exhaust gas, a pump driven by the engine, a nozzle in fluid communication with the pump, and an exhaust passageway communicating between the engine and the nozzle is disclosed. The exhaust passageway is connected the nozzle at a point in... Agent: Naval Undersea Warfare Center Division Newport

20090098783 - Piggyback auxiliary motor bracket: An outboard motor auxiliary mounting bracket for attaching an auxiliary motor to an existing outboard motor using the bracket of the instant invention. The bracket comprises an auxiliary motor mounting plate with divergently extending arms to receive the body of the outboard motor and fixed thereto. A third arm extends... Agent: Michael I Kroll

20090093175 - Water jet propulsion boat: A water jet propulsion boat is constructed such that a fuel pressure detection device is free from a detection error or breakdown and a restart ability of an engine is protected against malfunction. A fuel tank is provided in a boat body of the water jet propulsion boat through vibration... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090093174 - Watercraft propelled by a water jet: A watercraft propelled by a water jet includes an sealed hull portion including an upper deck and a bottom surface, an engine compartment located behind the sealed hull portion and containing a propulsion and steering system including an engine, a bladed impeller driven by the engine for inducting water and... Agent: Macmillan Sobanski & Todd, LLC