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| Number | Title | Issue Date |
| 7794293 | Marine propulsion system and marine vessel having same A marine propulsion system having a simple configuration and high energy efficiency and a marine vessel having the same. A detonation device for generating a detonation wave and a detonation wave discharger for releasing a detonation wave generated in the detonation... | 09/14/2010 |
| 6978617 | Power generation system using a combustion system and a fuel cell A regenerative fuel cell is combined with a combustion engine such as a Pulse Detonation Engine (PDE) to create a closed-loop power generation system. Stored hydrogen and oxygen are used by the regenerative fuel cell, and by the combustion engine, in which the react... | 12/27/2005 |
| 6837759 | Propulsion apparatus The present invention provides a self-contained propulsion apparatus 1 suitable for a sub-sea ROV. The apparatus comprises: a reactor vessel 2 having at least one inlet 3, 4 and an exhaust 7; ... | 01/04/2005 |
| 6620004 | Marine propulsion system A marine propulsion system is disclosed that includes at least one nozzle having a combustion chamber therein. The nozzle has an exit end that is shaped so as to flare outwardly. A fuel reformer separates gasoline or other liquid hydrocarbon fuel into hyd... | 09/16/2003 |
| 6484491 | Hydrogen motor for water craft A system for propelling a watercraft using hydrogen. The system comprises a combustion chamber, an accumulator system, an ignition system, and a propulsion control system. The combustion chamber defines an upper portion and a lower portion. The accumulato... | 11/26/2002 |
| 6220193 | Surface effect boat with jet propulsion engines house in keel formed cavities A boat includes a plurality of longitudinal keels below the deck. The space between the keels is closed, at both ends, to form an enclosed downwardly open cavity. Jet propulsion engines are provided at the forward end of each cavity, well above the waterl... | 04/24/2001 |
| 6135834 | Watercraft exhaust gas control system and method A personal watercraft having exhaust pipes which discharge exhaust gases to either side of the craft's hull, is disclosed The exhaust system of the personal watercraft has one or more valves which can be used to selectively direct exhaust gases to one sid... | 10/24/2000 |
| 6132270 | Pulsing reaction drive for water craft This invention concerns an internal combustion engine with a combustion chamber (8) for burning the working gas in an explosion stroke and, connected to the combustion chamber (8), a pump chamber (18) which can be filled via an input orifice (181) with a ... | 10/17/2000 |
| 5989082 | Propulsion system for large ships A propulsion system for a large, nuclear-powered ship includes a number of steam expansion thrusters rearwardly directed from the stern portion of the ship above the water line, a number of water jet drivers rearwardly directed from the stern portion belo... | 11/23/1999 |
| 5421153 | Hydrodynamic propulsion device A hydrodynamic propulsion device possessing an expansion chamber located downstream of a cross-sectional widening for the inflow of a medium which is to be expelled through a discharge nozzle. The propulsion device is constructed as a static propulsion me... | 06/06/1995 |
| 5045004 | Turbo-hydroduct propulsion system The invention defines a propulsion system for an underwater vehicle. More particularly, the invention describes a turbo-hydroduct propulsion system which operates on stored, high energy fuel. The fuel is combusted and powers a turbopump which pressurizes ... | 09/03/1991 |
| 4897995 | Liquid turbojet engine A liquid turbojet engine includes an elongated shaft, a housing mounted about the shaft with the shaft being rotatable relative to the housing about the shaft longitudinal axis, a conduit fixed to the shaft within the housing filled with an inert motive l... | 02/06/1990 |
| 4611999 | Marine propulsion device with gaseous boundary layer for thrust jet flow stream A marine jet propulsion system for use as an inboard engine for boats is herein described. An engine or motor means is attached in a driving relationship to a pump and thrust output means. Heat generated by and rejected by the engine or motor is passed in... | 09/16/1986 |
| 4343611 | Marine propulsion A marine propulsion unit which is mounted externally of a marine vessel and receives supplies of compressed air and fuel from on board the vessel, comprises a housing, a duct in the housing, containing a ventilated flow rotor, the rotor having tip blading... | 08/10/1982 |
| 4341173 | Hydropulse underwater propulsion system A propulsion motor for an underwater vehicle such as an anti-submarine weapon. The motor includes a propulsion chamber into which water is admitted and then rapidly expelled through an exhaust nozzle, developing thrust to propel the vehicle. Gas generator... | 07/27/1982 |
