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Marine propulsion April category listing, related patent applications 04/06

20060089059 - Boat lan system: A boat Local Area Network (LAN) system can be used to connect devices such as gauges, remote control units and the like, disposed in a hull and a propulsion unit mounted on the hull of the boat. The LAN system can comprise a pilot seat-side front hub connected with the...

20060089060 - Power supply system for boat lan system coping with plural engines: A power supply system for a boat LAN system with plural engines can comprise operator's devices, such as speedometers, tachometers, remote controls, and the like in the hull. Plural propulsion units can be mounted on the hull, each of which can include engines for driving respectively the plural propulsion units....

20060089061 - Outboard motor enclosure and security arrangement therefor: A multi-purpose mariner safety and motor housing arrangement for the secure enclosure of the lower drive unit of an inboard/outboard or outboard motor for a boat. The multi-purpose housing preferably comprises a left half housing and a right half housing hingedly connected along a front edge thereof. The left half...

20060089062 - Power boat drive system with multiple gearboxes: A boat drive system is provided for a power boat which includes an engine having a drive shaft, connected to a pair of propeller shafts. The drive system includes a primary gearbox and opposed outboard gearboxes. The primary gearbox includes a housing and a gear arrangement connected to the engine...

20060089063 - Outboard motor for small watercraft: A casing of an outboard motor can be formed with an upper casing, a lower casing, and an extension casing interposed between the upper casing and the lower casing. Water guiding passages, which can be formed with jacket sections or the like, can extend along both inner side surfaces of...

20060089064 - Outboard motor shift control system: In an outboard motor shift control system having a shift mechanism including a forward gear, a reverse gear and a clutch and an electric motor moving the clutch to engage with one of the forward and reverse gears or to disengage it therefrom, current supplied to the motor is detected,...

20060089065 - Duct structure for watercraft: A duct structure for a watercraft includes a flexible tube for providing an air intake for the watercraft and a flexible member for being disposed on an inner perimeter of a hole in a hull of the watercraft for holding the flexible tube. A convex portion of the flexible tube...

20060079140 - Watercraft: The invention relates to a watercraft comprising a hull, at least one motor which is fixed in or onto said hull, and a propeller which is driven by the motor by means of a transmission. According to the invention, at least part of the underwater transmission and the propeller can...

20060079141 - Ship propulsion arrangement: A Ship Propulsion Arrangement A ship propulsion arrangement is provided in which a mechanical drive shaft (3) extends through a hull (9) of a ship (1) to an external body (7). The external body incorporates an electric motor. The mechanical drive shaft (3) is driven when required by either a...

20060073745 - Motor-driven hydroplane for rescue purposes (ice rescue): A keel-less “vehicle” (boat, boat body, gliding device or locomotive device or boat device) is to be designed in such a way that it is equally suitable for use, preferably for rescue missions, on water and ice surfaces. For this purpose, an engine-driven locomotive device comprising a catamaran-like main body...

20060073746 - Waterjet-propelled marine vessel with simplified intake duct: A waterjet-propelled marine vessel having a hull with a transom and a bottom, a jet pump, and an intake duct, the improvement comprising: (1) the transom and bottom having a common opening for intake duct installation and (2) the intake duct having an intake duct upper part and an intake...

20060073747 - Marine reversing gear assembly: The present invention provides a marine reversing gear assembly, wherein a manual directional control valve 7a and an electromagnetic directional control valve 7b for a forward/reverse directional control valve 7 for hydraulic oil supply circuit 10 have a common structure of an oil line joint surface for the hydraulic oil...