Marine propulsion inventions 08/09

20090215331 - Boat propulsion system, control device thereof, and control method: A boat propulsion system includes a power source, a propulsion unit, a propeller rotational speed detection section, a shift mechanism, an actuator, a control lever, a shift position detection section, an accelerator opening detection section, and a control unit. When the control lever is operated such that a shift position... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215328 - Mixed propulsion system: A mixed propulsion system for a seagoing vessel such as a liquid natural gas carrier including a gas turbine engine is described. The vessel has at least one electric propulsion drive and a plurality of prime movers of different types each coupled directly to drive an electrical generator. The outputs... Agent: Oliff & Berridge, Plc

20090215329 - Propulsion system for boat: A propulsion system for a boat includes propellers rotated by an engine, a transmission mechanism arranged to transmit a driving force of the engine to the propellers in a state that the driving force of the engine is changed to at least one of a gear reduction ratio for low... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215330 - Propulsion system for boat: A propulsion system for a boat includes propellers arranged to be rotated by an engine, a transmission mechanism arranged to transmit driving force of the engine to the propellers such that a speed of the driving force of the engine is changed at least with a gear reduction ratio for... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215332 - Propulsion unit for multihull such as a catamaran: The invention concerns a propulsion unit for a multihull such as a catamaran, comprising at least one turbine, seawater suction means and seawater backflow means. The invention is characterized in that said device comprises a seawater turbine directly driven by a motor inside each of the hulls (1), the seawater... Agent: Trego, Hines & Ladenheim, Pllc

20090215333 - Outboard motor: An engine is disposed in a top cowling. Burned gas produced in the engine is discharged to the outside through a first exhaust pipe, a second exhaust pipe, a third exhaust pipe, exhaust passage, and a exhaust passage. A catalyst is disposed to be housed in the first exhaust pipe... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215334 - Marine propulsion system: A marine propulsion system includes an outboard motor including an engine, a propeller, a shift position switching mechanism, an oil pump, valves, and an ECU. The shift position switching mechanism includes hydraulic clutches arranged to change the connection state between the engine and the propeller. The shift position switching mechanism... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215336 - Boat propulsion system and boat including the same: A boat propulsion system includes a shift mechanism arranged to change a shift position among forward, neutral, and reverse. A shift position detection mechanism is connected to a control lever with a wire. The shift position detection mechanism has a detected member and a position detection section. The detected member... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215335 - Boat propulsion system, and control device and control method therefor: An outboard motor includes a power source, a boat propulsion section, a shift position switching mechanism, a clutch actuator, and a control device. The shift position switching mechanism switches among a first shift position in which a first clutch is engaged and a second clutch is disengaged, a second shift... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215337 - Boat propulsion system, and control device and control method therefor: A boat propulsion system includes a power source, a propulsion section, a shift position switching mechanism arranged to switch among a first shift position, a second shift position, and a neutral position, a gear ratio switching mechanism, an actuator, and a control section. When switching is to be performed from... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215338 - Marine propulsion system: A marine propulsion system includes a power source, a propeller, a shift mechanism, a control lever, a rotational speed sensor, and a control device. The shift mechanism is switchable among three shift positions including forward, neutral, and reverse. The control lever is operable by the marine vessel operator to switch... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215341 - Outboard motor: An outboard motor includes an engine, and a top cowling and a bottom cowling that are arranged to cover the engine. A flow-joining pipe is connected to each exhaust port of a plurality of cylinders of the engine. A first exhaust pipe, a second exhaust pipe, and a third exhaust... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090215339 - Watercraft paddle propulsion system: The present invention discloses a method and system for a nautical propulsion device comprising a plurality of cooperating paddles driven by levers in a sweeping motion while cooperating with a peddle gear and electric motor in order to produce a reciprocating back and forth paddle motion capable of driving a... Agent: Michael I Kroll

20090215340 - Speedboat or high speed watercraft with dynamic hull: The vehicle can be referred as a type of speedboat, because it is designed for very high speed on water. Preferably, the vehicle consists of a hollow shell 1 of circular section that floats and spins on the surface S of the water. The engine 2, which also includes the... Agent: Rajesh Gaonjur

20090209144 - Marine propulsion system: A marine propulsion system includes an engine, propellers rotated by the engine, a transmission mechanism arranged to transmit a driving force of the engine to the propellers with a speed thereof shifted to at least a low speed reduction ratio or a high speed reduction ratio in forward travel and... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209145 - Marine propulsion system: A marine propulsion system includes an engine, propellers arranged to be rotated by the engine, a transmission mechanism arranged to transmit a driving force of the engine to the propellers with a speed thereof shifted to at least a low speed reduction ratio and a high speed reduction ratio, a... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209146 - Hybrid module for watercraft: The invention relates to a hybrid module for installation between an internal combustion engine (6) and the transmission (4) of a watercraft, the flywheel being located in a conventional way in the housing of the internal combustion engine (6). It is characterized in that the hybrid module (7) is external... Agent: Tiajoloff & Kelly

20090209147 - Boat propulsion system: A boat propulsion system includes a drive bevel gear fixed on a lower end of a drive shaft, a forwarding bevel gear and a reversing bevel gear rotatably fitted on a propeller shaft and meshing together with the drive bevel gear, and a dog clutch mounted on the propeller shaft... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209148 - Boat propulsion unit: An outboard motor includes a variable speed mechanism portion arranged to transmit a driving force to propellers such that the driving force is changed in its speed by a low reduction ratio and a high reduction ratio, an upper housing that houses the variable speed mechanism portion, oil tanks provided... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209149 - Marine vessel and system for operating a marine vessel: A modified marine vessel system including a marine vessel configured to carry and transport marine freight in an ocean environment, and at least one engine module carried on the marine vessel. The engine module includes an engine housed inside a marine freight container. The system further includes a propeller and... Agent: Thompson Hine L.L.P. Intellectual Property Group

20090209151 - Marine propulsion system: A marine propulsion system includes a transmission mechanism arranged to transmit a driving force generated by an engine to propellers with a speed thereof changed to a low speed reduction ratio and a high speed reduction ratio; a control lever section operated by a user in controlling drive of the... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209150 - Shift mechanism of boat propulsion unit: A shift mechanism transmits rotation of a drive shaft of an engine to a propeller shaft by engaging a shift clutch with a forward gear or a reverse gear is provided. The shift clutch includes a dog clutch movably coupled to the propeller shaft in an axial direction and a... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090209152 - Watercraft speed control device: An automatic speed control system that provides desired watercraft velocity over land. The coupled algorithms correct engine speed and torque using inertia based measurements, GPS, and tachometer measurements, and the corrections are augmented and enhanced by velocity/speed and torque/speed relationships that are dynamically and adaptively programmed with real-time data collected... Agent: William B. Nash Jackson Walker L.L.P.

20090209153 - Watercraft speed control device: An automatic speed control system that provides desired watercraft velocity over land. The coupled algorithms correct engine speed and torque using inertia based measurements, GPS, and tachometer measurements, and the corrections are augmented and enhanced by velocity/speed and torque/speed relationships that are dynamically and adaptively programmed with real-time data collected... Agent: William B. Nash Jackson Walker L.L.P.

20090203270 - Reverse mechanism for a jet system: A jet propulsion system includes an inlet receiving a fluid, and a housing defining a discharge nozzle through which fluid is discharged to provide propulsion of a vehicle in a first direction. The jet propulsion system also includes a reverse mechanism movable between a deployed position redirecting fluid from the... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090203271 - Outboard motor: A transmission device includes hydraulic type transmission mechanisms arranged to change the speed or the direction of rotation of an engine, and hydraulic pressure control valves arranged to control hydraulic pressure supplied to the hydraulic type transmission mechanisms. The hydraulic pressure control valves are disposed on one side or the... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090203272 - Outboard motor: A power transmitting portion of an outboard motor has a power transmitting shaft connected to an output shaft of an engine to rotate together therewith, an oil pump disposed on the power transmitting shaft, and a driving force acquisition mechanism arranged to acquire driving force from the power transmitting shaft.... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090203273 - No drill multiport drive shower: A cooling apparatus for a marine propulsion system outdrive unit that can be attached to an outdrive unit without the need to drill holes in any portion of the outdrive unit. The cooling apparatus has a distribution tube assembly with at least one pickup port and a water delivery feature... Agent: Robert D. Gunderman, Jr. Patent Technologies, LLC

20090203270 - Reverse mechanism for a jet system: A jet propulsion system includes an inlet receiving a fluid, and a housing defining a discharge nozzle through which fluid is discharged to provide propulsion of a vehicle in a first direction. The jet propulsion system also includes a reverse mechanism movable between a deployed position redirecting fluid from the... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090203271 - Outboard motor: A transmission device includes hydraulic type transmission mechanisms arranged to change the speed or the direction of rotation of an engine, and hydraulic pressure control valves arranged to control hydraulic pressure supplied to the hydraulic type transmission mechanisms. The hydraulic pressure control valves are disposed on one side or the... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090203272 - Outboard motor: A power transmitting portion of an outboard motor has a power transmitting shaft connected to an output shaft of an engine to rotate together therewith, an oil pump disposed on the power transmitting shaft, and a driving force acquisition mechanism arranged to acquire driving force from the power transmitting shaft.... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090203273 - No drill multiport drive shower: A cooling apparatus for a marine propulsion system outdrive unit that can be attached to an outdrive unit without the need to drill holes in any portion of the outdrive unit. The cooling apparatus has a distribution tube assembly with at least one pickup port and a water delivery feature... Agent: Robert D. Gunderman, Jr. Patent Technologies, LLC

20090197485 - Watercraft and method for the operation of a watercraft: A watercraft (1) includes at least two oar handles (3a, 3b) which are designated to be actuated by a passenger of the watercraft in order to propel the same. A considerably expanded functionality is achieved in such a way that the oar handles (3a, 3b) are connected to a control... Agent: Dykema Gossett PLLC

20090197486 - Method and system for maneuvering aquatic vessels: An aquatic vessel (500) includes a hull (20) and two engines (30, 50), the engine (30, 50) outputs being rotationally couplable to corresponding propeller units (332, 352) which are mounted so as to be angularly moveable in respect of the hull (20). The vessel (500) includes a control unit (70)... Agent: Volvo Technology Of America, Corporate Patents

20090197487 - Outboard motor: An outboard motor having an engine cover formed from a lower cover fixed to a casing and an upper cover joined to the lower cover at a first mating surface. A linear member lead-out part is formed from a case part integrally connected to the lower cover. The linear member... Agent: Arent Fox LLP

20090197488 - Outboard motor intake port system: An outboard motor intake port system includes an internal cover mounted, from the inside, on an engine cover to form an intake chamber between the internal cover and the engine cover. The internal cover is integrally provided with a bottom plate portion facing the inner face of an upper part... Agent: Arent Fox LLP

20090197489 - Exhaust intake bonnet (eib) for maritime emissions control system: An improved Exhaust Intake Bonnet (EIB) for an Advanced Maritime Emissions Control System (AMECS) includes a shroud carried by a rigid upper frame and a lowerable and raisable rigid lower frame. The upper frame includes a peak with a duct for receiving exhaust gasses captured by the shroud and winches... Agent: Averill & Varn