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| Number | Title | Issue Date |
| 8093487 | Removable protective nose cover A removable protective nose cover for a submersible structure having a nose section is disclosed. The removable protective nose cover can include a plurality of shell members, each of the shell members having a forward end and an aft end. Each shell member can also ... | 01/10/2012 |
| 7598451 | Porous plate rocket torpedo The present invention includes a means to sustain a rocket torpedo's supercavation envelope to enhance the speed, maneuverability and resistance to percussion based counter measures. The invention includes machines using those aspects of the invention. The invention... | 10/06/2009 |
| 7576281 | Apparatus for altering the course of travelling of a moving article and a method thereof The present invention relates to an apparatus for altering the course of a moving article and a method thereof comprising of a launching aircraft or surface craft to deploy said apparatus towards a moving article. The apparatus comprises of a driving mechanism (1... | 08/18/2009 |
| 7468484 | Fast-moving cumulative torpedo-mine “present” An embodiment of torpedo, providing increased explosive energy, comprises: a casing encapsulating a rubber container, having frontal cumulative cavities with peripheral magnetic rings, said container containing an elongated type explosive charge, an axle, a bushing ... | 12/23/2008 |
| 7428870 | Apparatus for changing the attack angle of a cavitator on a supercavatating underwater research model An apparatus for changing the angle of attack of a cavitator on a supercavitating underwater research model. The apparatus has a nose assembly that has a pivotable cavitator tilt plate, an actuator member and a drive system engaged with the actuator member to drive ... | 09/30/2008 |
| 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 |
| 7270069 | Torpedo mounted dispenser The present invention is a dispenser mounted on the aft section of a torpedo for deploying an elongated, flexible article along a deployment axis. There is a molded elastomeric encasement over the exterior perimeter of the outer weldment of the dispenser for providi... | 09/18/2007 |
| 7262394 | Mortar shell ring tail and associated method There is provided a ring tail for a ballistic projectile and an associated method that facilitate maneuverability of the ballistic projectile. The ring tail comprises a ring member having a generally cylindrical wall and at least one rod joined to an aft section of ... | 08/28/2007 |
| 7250568 | Underwater vehicle deceleration and positive buoyancy assembly An assembly for vehicle deceleration and buoyancy comprises a pair of doors enclosing flotation bags inflatable for buoyant recovery of the torpedo. In operation, the doors are controllably forced open to an initial angle off a longitudinal axis of the assembly to a... | 07/31/2007 |
| 7226325 | Device for stabilizing re-entrant cavity flows past high-speed underwater vehicles A stabilizing device for a supercavitating vehicle that isolates re-entrant jet flows of liquid from its cavity. The device has a receiving means positioned on the supercavitating vehicle where the re-entrant jet flow impinges on the supercavitating vehicle. An exit... | 06/05/2007 |
| 7198000 | Shock limited hydrofoil system A hydrofoil craft includes a hull having a longitudinal axis, a pylon secured to and extending beneath the hull and a lifting foil secured to the pylon. The lifting foil has an upper surface and a lower surface. The upper surface of the lifting foil is substantially... | 04/03/2007 |
| 7183673 | Passive inductive switch A passive inductive switch for coupling a battery to a load in a remotely deployed battery-powered electronic device. The switch operates in response to a transmitted magnetic field at a particular frequency. The switch includes an antenna for transforming the magne... | 02/27/2007 |
| 7175155 | Control valve apparatus and pressure circuit The control valve apparatus holds a seat valve member in a position seated on a valve seat to thereby prevent a backward flow even if the pressure in the inlet chamber side becomes lower than the pressure in the outlet chamber side. With a pilot control valve member... | 02/13/2007 |
| 7156032 | Method and apparatus for controlling friction between a fluid and a body A method and apparatus is disclosed wherein nanostructures or microstructures are disposed on a surface of a body (such as a submersible vehicle) that is adapted to move through a fluid, such as water. The nanostructures or microstructures are disposed on the surfac... | 01/02/2007 |
| 7148416 | Undersea vehicle An undersea vehicle having both low emitted noise and low reflectivity is provided. The undersea vehicle has a hollow cylindrical hull with all components, sensors, electronics, motors, and other internal components with the exception of the propellers, located with... | 12/12/2006 |
| 7128018 | Small watercraft The present invention relates to saddle-riding type watercraft and other small watercraft. In an embodiment, the invention is a small watercraft capable of reducing noise by utilizing the sponson. For example, a small watercraft is provided with a sponson made of sy... | 10/31/2006 |
| 7083141 | Self-propelled projectile A self-propelled projectile which will maintain a straight trajectory through air or water. ... | 08/01/2006 |
| 7067732 | Apparatus for utilizing waste heat from weapon propulsion system to produce vapor explosion The apparatus of the present invention uses waste heat generated by a weapon propulsion system to melt and ultimately superheat metal. Upon termination of the weapon mission, the apparatus explodes thereby causing molten and superheated metal to be instantly introdu... | 06/27/2006 |
| 7059260 | Steering control by means of selected segmented drag reduction A steering system is provided for a hydrodynamically shaped vehicle having a nose end, a tail end, and forward propulsion. The steering system includes an internal supply of drag-reducing medium, at least one ejector ring positioned adjacent a nose end of the vehicl... | 06/13/2006 |
| 7026540 | Tailcone assembly for a submarine countermeasure A tailcone assembly for a submarine countermeasure includes a generally hemispherically shaped shell having a planar aft end and an annular open forward end. Fins are fixed to the shell equidistantly around the shell externally thereof, each of the fins having a pla... | 04/11/2006 |
| 6962121 | Boiling heat transfer torpedo A system has a source of gas venting gas at a nose portion of the vehicle to create a gas/vapor cavity on the nose portion and an adjacent hull of the vehicle. A thermal engine propelling the vehicle through ambient water creates waste heat for heating the hull to r... | 11/08/2005 |
| 6951179 | Boiling heat transfer surface A system to create and maintain a gas/vapor cavity about a hull surface includes a fence selectively extendable above and below the hull surface. A gas venting means is positioned beneath the hull surface downstream from the fence. The vented gas can be used to crea... | 10/04/2005 |
| 6923105 | Gun-armed countermeasure A device for countermeasuring an underwater target is provided. The device generally comprises a module having inflatable buoyancy chambers that allow the module to hover at a desired water depth, at least one acoustic array to detect the underwater target, a propul... | 08/02/2005 |
| 6739266 | High-speed supercavitating underwater vehicle A high-speed supercavitating underwater vehicle includes an elongated hull of circular cross section, the hull having a cavitator at a forward end thereof and means for ventilating gas to form a cavity around the hull in underwater travel. An expandable annular skir... | 05/25/2004 |
| 6671229 | Torpedo sonar comprising a plurality of acoustic transducers For reducing the number of acoustic transducers required by a torpedo sonar for target searching, the transducers are arranged in four particular zones at the curved contour of the torpedo bow forming a conformal sonar array. The circular first zone cover... | 12/30/2003 |
| 6634825 | Apparatus for joining cylindrical sections An apparatus for joining cylindrical sections, including a semi-cylindrical profile section or member adapted to be coupled to a cylindrical section on an outer circumferential portion of the profile section or member and including an outer circumferentia... | 10/21/2003 |
| 6577990 | Method for determining launch system velocity, acceleration and displacement certification parameters A method is provided to process system test data to determine certification parameters of the system based on the test data. For a torpedo launch system, the velocity data is generated by a Pressure/Velocity/Displacement housing interfaced with a computer... | 06/10/2003 |
| 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 |
| 6536365 | Shock-mitigating nose for underwater vehicles A flexible nose assembly for an underwater vehicle provides increased energy-absorbing capabilities and facilitates recovery and handling of the vehicle. The flexible nose assembly includes a flexible nose cap, at least one retrieval device, and at least ... | 03/25/2003 |
| 6494159 | Submarine launched unmanned combat vehicle replenishment A system and method is provided to replenish a submarine's tactical capabilities, e.g., weapons, sensors and communications, while the submarine remains within a hostile environment. One or more Underwater Combat Vehicles (UCV's) are pre-positioned at str... | 12/17/2002 |
| 6388184 | Deployable nose for an underwater vehicle A deployable nose is used on an underwater vehicle to provide a shorter length when in a retracted position and to provide a reduced drag when in the deployed position. The deployable nose includes a plurality of nose sections and a deployment mechanism t... | 05/14/2002 |
| 6376762 | Small vehicle launch platform A launch platform for a host vehicle. There is a cradle having a cylindrical shape with peripheral axial recesses formed therein and arranged around the cradle. A release mechanism is positioned within the cradle. The release mechanism releasably joins sm... | 04/23/2002 |
| 6259974 | Automated ballistic constant determination A method for the automated generation of ballistic constants for use in a trajectory control system. The potential trajectory of a pursuing vehicle is divided into a plurality of multiple sequential phases wherein each phase is characterized by a pluralit... | 07/10/2001 |
| 6242684 | Shock hardening device for torpedo-mounted dispensers on torpedoes Three extender assemblies are mounted on the torpedo-mounted dispenser (TMD) of a torpedo to provide shock hardening of the TMD. In a first embodiment, the extender assemblies consist of short sections of metal tubes mounted on inner plate portions. The i... | 06/05/2001 |
| 6220906 | Marine propulsion assembly A marine propulsion assembly comprises a drive shaft, a first propeller fixed to the drive shaft and turnable therewith in a first direction, an annular array of gear teeth disposed on the first propeller and turnable therewith, a second propeller aligned... | 04/24/2001 |
| 6118066 | Autonomous undersea platform The invention provides an unmanned, autonomous, undersea platform which ends the sphere of influence of a host vessel from which it is launched. The platform is hydrodynamically and stealth shaped to minimize noise, wake and detectability of the platform... | 09/12/2000 |
| 6111187 | Isolated compensated fluid delivery system An isolated compensated fluid delivery system is used in an underwater vel, such as a torpedo, to deliver a supply fluid such as fuel, while displacing the supply fluid with a compensating fluid to compensate for change in buoyancy of the underwater vess... | 08/29/2000 |
| 6105504 | Contact exploder Actuating circuitry which may be used with a contact exploder, useful on a orpedo, for example, which is sensitive not only to direct hits but also to abrasive damage or sea water exposure caused by grazing contact, but insensitive to changes in its veloci... | 08/22/2000 |
