Marine propulsion inventions 01/08

20080026649 - Watercraft: There is provided a watercraft in which a controlling state before a start-up changes less easily and an operating state of a remote controller and a remote controller lever for operating the watercraft propulsion unit is easily kept stable, although at least one of watercraft propulsion units has been in... Agent: Knobbe Martens Olson & Bear LLP

20080026655 - Steering hydraulic deivce for marine motors: The invention relates to an hydraulic device for the synchronized steering of at least a pair of marine outboard motors (7, 8), comprising an hydraulic cylinder (6) steering a main motor (7) sliding along a rod (10) parallel to the axis of the tube (9) tilting said motor (7), it... Agent: Themis Intellectual Property Counsel

20080026652 - Marine reduction and reverse gear unit: A marine reduction and reverse gear unit having an output shaft disposed at an acute (or obtuse) angle with respect to an input shaft 7 comprises: a drive gear 15 for transmitting torque from the input shaft 7; first and second driven gears 30, 31 engaged with the drive gear... Agent: Posz Law Group, PLC

20080026648 - Control system for small watercraft: A small watercraft with an emergency shut-off system is provided. The emergency shut-off system is configured to shut off the engine of the small watercraft when the small watercraft is overturned. The emergency shut-off system comprises an electronic control unit that is operatively coupled to an overturn sensor and the... Agent: Knobbe Martens Olson & Bear LLP

20080026650 - Amphibious vehicle: Amphibious vehicle 1 has at least two, preferably three, longitudinal vee sections 40 to 42 in its hull 2. Retractable wheels (21, FIG. 3) are provided; these may retract into discontinuities 8 to 11 in the hull. The wheels are retracted above the lowest point of the hull for marine... Agent: Fulwider Patton LLP

20080026651 - Water cooling system for an outboard jet drive marine propulsion system: An outboard jet drive marine system for a boat includes a housing. An engine is disposed within the housing. A jet drive unit is disposed within the housing parallel thereto and operatively coupled to the engine. A cooling system is mounted to the housing, outside the housing, and below the... Agent: Edwards Angell Palmer & Dodge LLP

20080026653 - Electronic remote control system of a propulsion system for a watercraft and a watercraft: An engine electronic remote control system is provided that can include an engine electronic control unit for controlling an operating state of the engine and a remote controller having a control lever capable of transmitting a control signal to the engine electronic control unit to achieve a target operating state.... Agent: Knobbe Martens Olson & Bear LLP

20080026654 - Exhaust device for outboard motor: An exhaust device for an outboard motor includes an engine having a plurality of cylinders, a first expansion chamber case for collecting exhaust from a first part of the plurality of cylinders and a second expansion chamber case for collecting therein exhaust from a second part of the plurality of... Agent: Knobbe Martens Olson & Bear LLP

20080020656 - Boat: A boat capable of assigning device instance numbers in accordance with the placement order of boat propulsion units, irrespective of the activation order of the boat propulsion units, comprises a plurality of control units for controlling a plurality of boat propulsion units. A plurality of gauge sections for displaying operation... Agent: Knobbe Martens Olson & Bear LLP

20080020657 - Out-drive protection apparatus: Apparatus (10) for protecting the out-drive (13) of a watercraft (11) comprises a locating member (21) adapted for attachment to the underside of the marlin board (17) of the watercraft (10) and a shroud (23) engageable with the locating member (21) to provide an enclosure about the out-drive (13). The... Agent: Merchant & Gould PC

20080020658 - 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

20080020659 - Idle exhaust structure for outboard motor: An outboard motor can include a case that extends longitudinally and can be supported on a hull of a boat. An engine can be supported on the upper surface side of the case and a cowling can be supported on the upper end portion of the case for covering the... Agent: Knobbe Martens Olson & Bear LLP

20080014804 - Propulsion unit for marine drive: A marine propulsion unit having an oil circulation system is provided. In the oil circulation system, lubricant is delivered from a bevel gear mechanism adjacent a drive shaft through an oil passage defined in a lower casing to a journal bearing supporting the drive shaft. From the drive shaft journal... Agent: Knobbe Martens Olson & Bear LLP

20080014806 - Marine propulsion machine provided with drive shaft: An outboard motor S has a first drive shaft 31 directly interlocked with an engine E, a second drive shaft 32, an intermediate gear mechanism 33 interlocking the first drive shaft 31 and the second drive shaft 32, an output gear mechanism 50 driven by power transmitted thereto through the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080014805 - Outboard engine system: An outboard engine system includes: an engine; a casing to which the engine is removably mounted at an upper portion; a torque converter; a vertically arranged output shaft connected to a crankshaft via the torque converter; a horizontally arranged propeller shaft provided below the output shaft; and a forward-reverse shifting... Agent: Arent Fox LLP

20080014807 - Reversion control device for watercraft exhaust system: The present invention is a reversion control device including a housing with a proximal end and a distal end. The reversion control device further includes at least one reversion cone, a stationary vane and a flapper. In one example, the reversion control device includes an oxygen sensor for monitoring the... Agent: Mcdermott Will & Emery LLP

20080014808 - Mounting structure for internal combustion engine on small planing boat: Providing a mounting structure for an internal combustion engine on a small planing boat on which an internal combustion engine for driving a jet propulsion pump is mounted, in a boat body between a hull and a deck, with a crankshaft thereof oriented in a front-rear direction of the boat... Agent: Birch Stewart Kolasch & Birch

20080009205 - 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: Jackson Walker, L.L.P.

20080009206 - 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: Jackson Walker, L.L.P.

20080009207 - Propulsion unit for outboard motor: A lubricant circulating system has a lubricant passage formed in a propeller shaft. The lubricant passage extends axially along the propeller shaft from a bevel gear mechanism to a position proximate to a journal of the propeller shaft. The journal of the propeller shaft is rotatably supported by a bearing.... Agent: Knobbe Martens Olson & Bear LLP

20080009208 - Propulsion system of marine vessel: A propulsion system for a marine vessel is provided with at least one skeg in its hull and with a first propulsion device provided at the stern area of the vessel for providing propulsion power. A second propulsion device is located in connection with the skeg and comprises a system... Agent: Smith-hill And Bedell, P.C.