Marine propulsion inventions 07/06

20060166567 - Outboard motor steering control system: In an outboard motor steering control system having a plurality of outboard motors each adapted to be mounted on a stern of a boat by a shaft to be movable by an actuator relative to the boat and each having an internal combustion engine to power a propeller, a desired...

20060166568 - Frigate ship-type equipment system: A frigate ship-type equipment system includes standard equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, also includes a hull which is adapted to the large and specific requirements of the frigate ship-type equipment system. In order to construct standard equipment segments for...

20060166569 - Outboard drive for boats: An outboard drive for boats, having a steerable underwater housing (1) which has a wing-profiled portion (2). Projecting at an approximately 90 degree angle from the aft part of one side face (31) of the wing profile is a face portion (32), the lateral extent of which amounts to about...

20060166571 - Shroud for a hydro thrust device: An apparatus is disclosed for improving safety and hydro-flow thrust from a trolling motor. The apparatus may include a first and second semi-circular portions configured to connect together to substantially enclose a hydro-drive device, and a semi-circular bracket coupled to each semi-circular portion, the semi-circular brackets together capable of fixedly...

20060166570 - System and apparatus for improving safety and thrust from a hydro-drive device: A system and apparatus are disclosed for improving safety and hydro-flow thrust from a hydro-drive device. The apparatus may include a shroud having a first opening for the ingress of water, and a second opening for the egress of water, and a vane extending inward from an interior surface of...

20060166573 - Drive system for a marine vessel: A drive system for a marine vessel. The drive system includes a drive shaft that is rotatable about a drive axis and a motor interconnected with the drive shaft and including a rotor that defines a motor axis that is substantially coaxial with the drive axis. The motor is operable...

20060166572 - Power train of a marine transport vessel: Propellers of a marine transport vessel may be independently controlled at their optimal speed when at least one transmission having a plurality of output shafts capable of independent-speed ratios is connected to an engine and the propellers are respectively mounted at the output shafts of the transmission....

20060166574 - Cowling structure for outboard motor: An outboard motor has a cowling structure that includes a top cowl and a bottom cowl. The top cowl has a hook mounting member which is bonded to an inner side of the top cowl. The hook mounting member has a top cowl hook configured to engage a bottom cowl...

20060160438 - Operation control system for planing boat: An operation control system for a planing boat can include a mode selection module configured to allow a driver to select a driving mode of either one of a nonnal operation mode, in which the boat cruises at a speed in response to the displacement of an acceleration controller, and...

20060160437 - Operation control system for small boat: An operation control system for a small boat can include a mode selection module configured to allow a driver to select between a plurality of driving modes including at least a normal operation mode, in which the boat cruises at a speed in response to the displacement of an acceleration...

20060160439 - Outboard motor having a cowling: A cowling structure for an outboard motor having a top cowl and a bottom cowl for covering an engine, and sealing a mating face between the top cowl and the bottom cowl, including an annular sealing rail forming a sealing face and is attached to the bottom cowl. The annular...

20060160440 - Engine control device: An engine control device can include a throttle valve for adjusting an amount of air supplied to an engine, operation amount detecting sensors for detecting an operation amount of a throttle lever, a motor for driving the throttle valve between open and closed positions according to detection values of the...

20060160441 - Outboard motor: An outboard motor engine drives an output shaft which drives a propeller shaft. The output shaft has a drive gear that engages driven gears of the propeller shaft within an oil bath for holding a lubricant for soaking the drive and driven gears. The outboard motor has an oil pump,...

20060160442 - Screw drive vehicle: A screw drive vehicle has a main housing with forward and aft ends and first and second lateral sides. A first support arm rotatably supports a first pontoon assembly from the first lateral side of the main housing. A second support arm rotatably supports a second pontoon assembly from the...

20060154534 - Self-contained propulser with two-degree-of-freedom actuation: An invention disclosed herein pertains to a thruster suitable for underwater vehicles. Such a thruster includes a steerable duct and propeller. The thruster motor, the two directional servo motors and all necessary electronics are contained in a single fluid filled and pressure compensated container. This is made possible, by a...

20060154535 - Marine steering assembly with connecting member: There is provided a hydraulic steering assembly for applying a force to two or more marine propulsion units. Each propulsion unit has a steering axis and a tilt axis. The tilt axis is generally perpendicular to the steering axis thereof. Each propulsion unit is rotatable about the steering axis and...

20060154536 - Marine propulsion system: A marine propulsion system comprising a push rod (50) for adjusting the pitch of propeller blades (34). The push rod (50) has a screw-threaded bolt (60) engaged with a nut (78). The nut (78) carries a bevel gear (84) by which the nut (78) can be rotated to cause the...

20060154537 - Throttle valve opening control device for a watercraft engine: A throttle valve opening control device for a watercraft engine includes a control section for controlling a valve drive section that drives the throttle valve based upon a signal from a remote controller operating position detecting means. The control section determines whether the operating position is in a trolling range...

20060154538 - Marine fuel supply system and a marine craft including same: A marine fuel supply system is disclosed in which a salt water sensor is positioned between a fuel reservoir and a pump used to pump fuel from the reservoir to an internal combustion engine. The water sensor is located near to the bottom of a closed vessel forming part of...

20060148340 - Amphibious vehicle: An amphibious vehicle wheel suspension includes upper and lower linkages, road suspension means, and a retraction means for moving the wheel between a protracted position for road use and a retracted position for marine use. Suspension means can be operatively disconnected from the wheel and/or the linkages to allow for...

20060148341 - Oar: An object is to provide a Ro-scull which can suppress a decrease in thrust force by water resistance generated during turn-over operation and can realize high-speed cruise of a boat. The Ro-scull has a Ro-arm 1 and a Ro-blade 2 having a flat part 12 perpendicular to the Ro-arm 1....

20060148342 - Integral reversing and trim deflector and control mechanism: A thrust control system is described, including a control apparatus having water jet deflectors that deflect water to provide a reversing/backing thrust and a trim force to marine vessels using water jet propulsion. Other aspects include an electromechanical control lever assembly for operating actuators, the assembly comprising a mechanical lever...