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Marine Propulsion > Jet Drive Jet DriveJet Drive patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/14/06 - 20060281375 - Variable marine jet propulsion A variable marine jet propulsion system incorporates a motor, a variable-pitch propeller pump in a spherical housing, a variable housing and a variable inlet duct, and a microcontroller. The pump, the nozzle and the inlet are controlled by the microcontroller, which is programmed to control the pump as a continuously ... 11/16/06 - 20060258232 - Safe efficient outboard motor assembly An outboard motor assembly for use as external propulsion for a watercraft includes a drive assembly, a shaft assembly, and a impeller-jet assembly coupled to the shaft assembly. The impeller-jet assembly includes an inlet stator, an exit stator, a impeller, and an external housing surrounding the stators and impeller. The ... 10/12/06 - 20060228958 - Variable area pump discharge system A highly efficient watercraft propulsion system that operates continually submerged and relies on a non-circular variable area pump discharge opening which is configured, positioned and oriented so as to maximize the hydraulic reaction between the high velocity water jet stream and the surrounding body of water and is driven by ... 10/12/06 - 20060228957 - Turbo-jet pump and water jet engine Turbo-jet pump—water jet engine is a totally new solution for driving vessels on the water surface and under water, ships and submarines, and setting them to speeds of over 50 m/s (over 185 km/h or over 100 knots). The basic design involves the pump housing (1), which in its rear ... 10/05/06 - 20060223387 - Propulsor with inlet fluid inducer Presented is a fluid propulsor for propelling a vehicle that incorporates a Coanda Effect Inducer (CEI), more commonly called an inlet fluid inducer in this application, in its inlet to induce fluids passing by the vehicle to turn uniformly toward a powered fluid energizing device such as a rotor of ... 09/28/06 - 20060217010 - Integrated engine-jet pump drive unit for marine application A watercraft includes a shell, a ride plate, an internal combustion engine, and a jet pump. The shell defines a tunnel that extends forwardly from the transom and is defined laterally by the shell. The tunnel is open at its bottom The ride plate mounts to the shell under the ... 09/28/06 - 20060217009 - Ship with wave engulfing enhanced propulsors Presented is a way to reduce the wave drag of high speed ships by ingesting wave energy into water propulsors disposed at the bow and/or on the sides of the main hull of the ship. A forward secondary bow disposed at a lower portion of the main bow of the ... 07/27/06 - 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 ... 06/29/06 - 20060141876 - High-speed sea-going ship comprising a double hull and a waterjet drive The invention relates to a high-speed, sea-going ship comprising a double hull and a water-jet drive, the latter consisting of at least one pump assembly for generating the water-jet and at least one drive motor for the pump assembly. According to the invention, the pump assembly and its drive motor ... 05/18/06 - 20060105645 - Outboard jet drive marine propulsion system with increased horsepower An outboard jet drive marine system for a boat comprising a housing. The housing is adapted to be affixed behind a hull of a boat. An engine is disposed within the housing. A jet drive unit is mounted to the housing in parallel to and vertically oriented to the engine, ... 05/11/06 - 20060099863 - Front-mounted water-separation propeller Based on the law of dynamic water-separation, in this invention, a new type of front-mounted booster water-separation propeller has been designed to raise a vessel's speed by reducing resistance from water and increasing the advance force. It's composed of two parts, of which the external includes an influent tube (1), ... 05/04/06 - 20060094310 - Powered surfboard A motorized surfboard with substantially flat and smooth top and bottom surfaces, a maximum thickness of three inches or less and no protruding parts other than fins extending from a rear, bottom portion of the surfboard. The motorized surfboard is configured to perform in substantially the same manner as a ... 04/06/06 - 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 ... 03/16/06 - 20060057909 - Exhaust gate valve apparatus for a personal watercraft An exhaust gate valve apparatus of a water jet propulsion-driven watercraft is provided that is capable of positively closing an exhaust port with a valve body when an engine is stationary and widely opening the valve body when the engine runs. In the watercraft, an exhaust port of a tail ... 03/16/06 - 20060057908 - Water jet propulsion watercraft A water jet propulsion watercraft that allows accurate speed detection of a speed detection unit to be achieved. A water jet propulsion watercraft includes a hull bottom plate with left and right guide grooves for guiding water rearwardly of the hull. The left and right guide grooves are disposed in ... 03/16/06 - 20060057907 - Water jet propeller A water jet propeller for preventing an impeller from being exposed when the water jet propeller is disassembled. The water jet propeller includes a stator disposed at a rear-end portion of an impeller housing, and an impeller is disposed inside the impeller housing. The water jet propeller expels a water ... 03/02/06 - 20060046583 - Outboard jet drive marine propulsion system An outboard jet drive marine system for a boat includes a housing, the housing has front and rear sides, and a top and bottom. The housing is adapted to be affixed behind a hull of a boat. An engine is disposed within the housing. A jet drive unit is releasably ... 02/23/06 - 20060040571 - Mounting portion of water jet pump of personal watercraft, and personal watercraft A mounting portion of a water jet pump of a personal watercraft is disclosed. The mounting portion typically includes a tubular pump casing configured to accommodate the impeller, and a pump bracket configured to fasten the pump casing to the body of the watercraft. The pump casing is configured to ... 01/12/06 - 20060009094 - Outboard waterjet An outboard waterjet propulsion system for a marine vessel having a bottom and a transom with a top edge, the propulsion system comprising: an intake duct with grid bars; a motor; an impeller with an impeller hub and driven by the motor; a steering deflector; and a diffusor with a ... 01/05/06 - 20060003643 - Water jet drive for marine vehicles A compact operational retro-fit drive plant, for installation in the base of the bow or stern of various types of marine vehicle, in particular of displacement types, which serves for maneuvering and traveling at cruising speed on normal and particularly flat stretches of water. The drive plant includes a simple ... 10/06/05 - 20050221694 - Water jet propulsion boat having improved ride plate A water jet propulsion boat includes a pump chamber provided at a rear portion of a boat body of the boat. Further, a water jet pump is disposed in the pump chamber and a ride plate closes a bottom of the pump chamber. The ride plate includes a base fixable ... 09/29/05 - 20050215129 - Propulsion system for a fast seagoing ship, especially a naval ship The invention relates to a propulsion system for a fast seagoing ship, especially a naval ship, which comprises a propulsion system driven by at least one water jet produced by a pump assembly with an outlet nozzle for water, and a propeller jet produced by at least one propeller. The ... 07/21/05 - 20050159052 - Waterjet control systems A dual axis joystick control system is used intuitively for manoeuvring a waterborne vessel having two or more waterjets with steering deflectors (13) and reverse ducts (14) mounted independently of the steering deflectors. The joystick (21) is operated to actuate the reverse ducts of the port and starboard waterjets for ... 07/07/05 - 20050148246 - Mounting structure for jet propulsion pump in personal watercraft A mounting structure for mounting a jet propulsion pump in a body of a personal watercraft includes, a front mounting portion of the pump being mounted to a rear portion, in a planing direction of the watercraft body, and a ride plate mounted to the watercraft body, so as to ... ### FreshPatents.com Support |