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| Number | Title | Issue Date |
| 7388145 | Unmanned underwater vehicle tailcone assembly A tailcone assembly for an undersea vehicle includes a first tailcone portion having a cavity and a second tailcone portion positionable in and axially extensible from the cavity. An extensible drive shaft is provided for joining the vehicle's engine to a propeller.... | 06/17/2008 |
| 7347146 | Supercavitating projectile with propulsion and ventilation jet A supercavitating projectile is disclosed and includes a combustion chamber, a forward-directed jet nozzle and a comparatively larger gas duct/rear-directed jet nozzle. The combustion chamber is filled with a propellant having a hollowed core. The core serves as a p... | 03/25/2008 |
| 7282634 | Vapor explosion weapon The apparatus of the present invention utilizes the heat energy of a weapon propulsion system to produce a vapor explosion. It includes an outer shell with a nozzle port and a body being made from a metal. The body surrounds a propulsion device and captures its wast... | 10/16/2007 |
| 7203069 | Computer card A PC card can reduces possibility of the lid being detached from the extended portion even when twisting stress, bending stress, etc. is applied against the PC card, and simplifies the metal mold for resin molding. In the PC card, by placing a lid so as to face an e... | 04/10/2007 |
| 7156049 | Release mechanism to interact with biota, in particular fauna that may outgrow available habitat A device for interacting with biota either on a pre-specified schedule or via actuation by remote signal. Preferably, the biota are fauna and more particularly fish. In selected embodiments, it comprises frangible packaging enclosing means for timing interaction, at... | 01/02/2007 |
| 7066396 | Method and apparatus for enhanced heat recovery from steam generators and water heaters A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major port... | 06/27/2006 |
| 7040246 | Submarine countermeasure and launch assembly In a submarine countermeasure vehicle and launch assembly the vehicle includes a forward end portion, an aft end portion provided with a propeller and fins, a hull portion extending between the forward and aft portions, the hull portion being circular in cross-secti... | 05/09/2006 |
| 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 |
| 6634273 | Open loop minesweeping system An open loop magnetic field minesweeping system, with a small and light weight body to be towed through seawater by a towing cable from a helicopter or other vehicle, a single sweep cable extending rearwardly a substantial distance from the body with a fi... | 10/21/2003 |
| 6559370 | Submarine countermeasure vehicle with folding propeller A submarine countermeasure vehicle includes an elongated body for supporting a countermeasure device, and a propulsion assembly mounted on an after end of the body. The propulsion assembly includes a rotatable propeller hub, propeller blades mounted on th... | 05/06/2003 |
| 6427618 | Bow mounted system and method for jet-propelling a submarine or torpedo through water A jet propulsion system for an underwater vehicle, such as a submarine or torpedo is disclosed. The propulsion system includes a plurality of blades secured to a hub, in the front, which is rotated by a shaft connected to an engine through a transmission.... | 08/06/2002 |
| 6058847 | Submersible mine neutralisation vehicle A mine neutralisation vehicle comprises a first portion to which propulsion units are attached by which propulsion units the vehicle is positioned. Pivotally connected to the first section is a second section containing a shaped charge warhead. By means o... | 05/09/2000 |
| 6032460 | Torpedo with external combustion engine for use with concentrated fuel A vehicle for self-propelled travel through a body of water includes a hull, a propulsive element for engaging the water, an engine, and a fuel storage container. The engine includes a combustion chamber for receiving a monopropellant fuel and combusting ... | 03/07/2000 |
| 5939665 | Brisk maneuvering device for undersea vehicles A nautical vehicle for traveling in a fluid environment, the nautical vehe comprising a body having a dorsal fin mounted thereon. The body comprises a sidewall, a forward nose and a rear propulsor for propelling the vehicle in an axial direction. The dor... | 08/17/1999 |
| 5712447 | Vibrationally and acoustically insulated structure A vibrationally and acoustically insulated structure includes a structure using enclosing a source of internally generated noise and vibrations. The structure further includes a vibration and acoustic insulating device positioned over a portion of the int... | 01/27/1998 |
| 5600087 | Field programmable expendable underwater vehicle An expendable underwater vehicle for use in training naval forces in anti-submarine warfare in ocean waters is between about three to five feet in length and about five inches in diameter, and it is field programmable. The expendable underwater vehicle ca... | 02/04/1997 |
| 5574246 | Underwater vehicle with improved jet pump propulsion configuration An underwater vehicle such as a torpedo has a jet pump propulsion system. A high speed pump is located inside a rigid cylindrical housing of the torpedo near an end thereof. A water inlet communicates with the pump as does a water outlet provided at the a... | 11/12/1996 |
| 5568781 | Induced flow undersea vehicle motor cooling jacket An induced flow underwater vehicle motor cooling jacket adaptable to an urwater vehicle motor is provided. The cooling jacket has a self-priming inlet incorporated into the afterbody motor shell section which ingests seawater during either vehicle moveme... | 10/29/1996 |
| 5396855 | Underwater vehicle tailcone assembly There is presented an underwater vehicle tailcone assembly including a ford flange, a first tubular sheath extending rearwardly from the forward flange, and elastomer material bonded to inner and outer surfaces of the first sheath to form a forward chamb... | 03/14/1995 |
| 5309855 | Submarine weapon In a submarine weapon, particularly for combating submarines, a rocket engine with continuous rocket thrust is utilized as the submarine drive unit. An actively locating, acoustic target seeking device is provided for target detection and target pursuance... | 05/10/1994 |
| 5285633 | Coolant subsystem for a torpedo propulsion system A coolant subsystem for a torpedo propulsion system having an external costion expansion engine. The coolant subsystem includes a valve which provides for one-way flow through the coolant subsystem. Inclusion of the valve prevents a backflow of exhaust g... | 02/15/1994 |
| 5193475 | Thrust expansion engine Break-up activity of water by injection of hot propellant gas into channels f a thrust expansion engine is suppressed to prevent rapid cooling of the gas, utilizing one or more methods including injection of a secondary inflow of the propellant gas and/or ... | 03/16/1993 |
| 5078628 | Marine propulsor A marine propulsor for submersible vessels or surface vessels powered by underwater propulsion units. A shaftless motor with disk-shaped rotor and stator(s) is mounted in the vessel structure with a blade hub mounted on the rotor, the hub including propel... | 01/07/1992 |
| 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 |
| 4756264 | Noise damping system for torpedoes or the like A noise damping system incorporating in the hull of an underwater torpedo or the like which includes a power plant having a boiler. An inner hull section includes hotwell passages about the boiler whereby subcooled liquid in the hotwell passages absorbs h... | 07/12/1988 |
| 4690085 | Propulsion system for a torpedo with thrust compensation The size of a bearing 34 required to journal a propeller 16 may be reduced by mounting the bearing 34 on a piston 44 received in a cylinder 46 and by locating a piston 62 in a groove 52 on the hub 18 of the propeller 16. The groove 52 acts as a second cyl... | 09/01/1987 |
| 4680934 | Boiler for a torpedo and system including the same Weight, noise and response difficulties in boilers utilized in torpedoes are eliminated in a construction including a housing having an interior wall, defining a chamber with at least one oxidant inlet. A plurality of working fluid conduits each have an i... | 07/21/1987 |
| 4637213 | Arrangement for a submarine vehicle Arrangement for a thermal, steam-powered engine in a submarine vehicle, for example a torpedo. A condenser is so arranged as to separate the exhaust from the engine into a condensable exhaust fraction and into a non-condensable exhaust fraction. A compres... | 01/20/1987 |
| 4609362 | Non-soniferous power drive for underwater vehicles The system provides propulsion of an underwater vehicle without the need noise producing gears or internal combustion engines. Variable speed of two impellers is automatically controlled from a single hydraulic piston regardless of depth, as is the hori... | 09/02/1986 |
| 4372239 | Undersea weapon with hydropulse system and periodical seawater admission An undersea weapon comprising a warhead, a rocket motor, detection, homing and control systems and a hydropulse underwater propulsion system in an integral unit. The weapon is launched at a previously detected target, such as a submarine, on a ballistic t... | 02/08/1983 |
| 4359957 | Torpedo and operating method To prevent the accumulation of a gas bubble at the inner end portion of a torpedo tube, exhaust gases are not discharged from an improved torpedo until after the torpedo has moved out of the torpedo tube. The improved torpedo includes a gas powered engine... | 11/23/1982 |
| 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 |
| 3964416 | Boiler reactor 1. A steam boiler-reactor comprising; A. a cylindrical casing having closures at opposite ends thereof, B. a steam generating tube, formed in a helical coil, disposed adjacent the nner surface of said casing and extending substantially between its opposite ends... | 06/22/1976 |
