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8438977 Projectile having deployable fin  
A supercavitating projectile is disclosed that has deployable fins. The fins are pivotally coupled to the body of the projectile. The fins have two primary states: stowed within a recess at the...
8402895 Vortice amplified diffuser for buoyancy dissipater and method for selectable diffusion  
Embodiments of a vortice-amplified diffuser section for use in a buoyancy dissipater are generally described herein. The vortice-amplified diffuser section may include a plurality of diffusion...
8371204 Bubble weapon system and methods for inhibiting movement and disrupting operations of vessels  
Embodiments of a bubble weapon system and methods for inhibiting movement and disrupting operations of vessels are generally described herein. In some embodiments, a bubble weapon is configured to...
8250981 Underwater hydro-reactive explosive system  
An underwater hydro-reactive explosive system includes a pressure vessel with a central section of water disposed between identical sections of a material selected from the group consisting of...
8245645 Mine-defeating projectile  
A mine defeating projectile includes a housing defining an inner cavity, a plurality of channels extending through a front surface of the housing and to the inner cavity, and a plurality of cutout...
8151710 Surface ship, deck-launched anti-torpedo projectile  
A surface ship, deck-launched anti-torpedo projectile is disclosed. The projectile has a blunt-end nose to create a cavitating running mode. The nose has a gradual, stepped, right-circular...
8151711 Supercavitating projectile with reduced-drag control surfaces  
The illustrative embodiment provides bumpers which are roughly shaped like skis that face towards the air-water boundary of the air cavity. When the projectile fishtails and one or more of the...
8146501 Supercavitating projectile having a morphable nose  
A supercavitating projectile having a nose that is capable of morphing its shape or length for extended operating range is disclosed.
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...
8082847 Cavity-enhancing features and methods for a cavity-running projectile  
A cavity-enhancing feature and method are disclosed for a projectile that is capable of operating underwater in a cavity-running mode.
8015922 Control system for right circular cylinder bodies  
A technique for controlling the pitch of a supercavitating projectile is disclosed. For example, the illustrative embodiment controls the pitch of a supercavitating projectile by shifting its...
8006619 Underwater acoustic tracer system  
An underwater supercavitating projectile includes means to form ripples on its surrounding cavity so as to provide well-defined disturbances of the cavity boundary. As the ripples move aft of the...
7975614 Acoustic shotgun system  
A high velocity acoustic signal producing underwater shotgun system for dispersing a plurality of relatively small supercavitating projectiles over a wide spatial field at long range using the...
7966936 Telescoping cavitator  
A high speed underwater projectile configuration that includes a cylindrical telescoping cavitator design capable of providing projectile nose shape change where such change to the projectile nose...
7895948 Buoyancy dissipater and method to deter an errant vessel  
Embodiments of a buoyancy dissipater and method for deterring an errant vessel are generally described herein. In some embodiments, a volume of gas is generated from a propellant and diffused below...
7874251 Cavity-running projectile having a telescoping nose  
A projectile having a cavity-running mode is provided with a mechanism for changing the diameter of its nose. Based on changed conditions, the diameter of the nose can be actively reduced or...
7836827 Method of operating a supercavitating projectile based on time constraints  
A method for operating a thrust-generating supercavitating projectile involves launching the projectile in water from rest at the maximum available thrust, maintaining that thrust until...
7832336 Method of operating a supercavitating projectile based on velocity constraints  
A method for operating a thrust-generating supercavitating projectile involves launching the projectile at a velocity above the minimum required to maintain supercavitating movement, delaying...
7779759 Supercavitating water-entry projectile  
A water-entry projectile capable of supercavitation and spin-stabilization comprises a forward section having one or more forward stepped sections, each stepped section being symmetrical in...
7730838 Buoyancy dissipater and method to deter an errant vessel  
Embodiments of a buoyancy dissipater and method for deterring a vessel are generally described herein. In some embodiments, a volume of gas is generated from a propellant and diffused below a...
7690309 Supercavitating vehicle control  
A control system for a supercavitating vehicle includes a set of winglets for rapid maneuverability and a segmented ring wing for fine stabilization control. The winglets and ring wing extend from...
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...
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...
7392733 High resolution projectile based targeting system  
A projectile based targeting system for underwater objects includes a trainable gun terminal mounted in a waterproof housing. The gun terminal includes plural gun barrels terminating in waterproof...
7373883 Projectile with tail-mounted gas generator assembly  
A projectile is provided that includes a body having a front tip portion and a rear end portion. A combustion chamber base plate is operatively arranged with the rear end portion of the body and...
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...
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...
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...
6802260 Safety and arming device using cellulose-based sensor/actuator  
A safety and arming device has first and second portions of an explosive train fixably supported in a housing. A third portion of the explosive train is fixable in a first position such that the...
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...
6601517 Super-cavitating penetrator warhead  
The present invention comprises a warhead for penetrating hardened or buried targets. In general, the invention comprises a warhead for penetrating hardened or buried targets comprising a warhead...
6584924 Apparatus for controlling pressure recovery  
An apparatus for controlling fluid pressure recovery includes an elongated housing having an opening at a first end thereof, an opening at a second end thereof, an inner peripheral surface, and a...
6530325 Method of scrapping steel structures  
A method of breaking up a structure for the recovery of steel as scrap. The structure has steel plates forming a compartment secured to framing in the compartment. The method includes at least...
6415211 Weapon and launcher test set (WALT)  
A portable data acquisition system for use in certifying torpedo tube-launched weapons such as a Mark 48/ADCAP, a Tomahawk missile or a Harpoon and the like. The system includes a portable...
6405653 Supercavitating underwater projectile  
A supercavitating underwater projectile adapted to be fired from a gun or the like, comprising a front end or nose portion and a rear end portion. An auxiliary rocket motor is disposed within the...
6401591 Neutralization chemical injection penetrator  
The present invention comprises a device for clearing mines comprising a housing assembly with a chamber therein that carries a surface contact chemical that is capable of consuming the explosive...
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...
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...
H001938 Supercavitating water-entry projectile  
A supercavitating water-entry projectile having empennage on the aft end which provides both aerodynamic and hydrodynamic stability and a supercavitating nose section is provided. A representative...
6044745 Seabed enclosures  
The disclosure relates to an enclosure for weaponry, listening, identifying, recording, communications equipment or the like for use in or on the seabed. The enclosure comprises an outer...
5955698 Air-launched supercavitating water-entry projectile  
A supercavitating water-entry projectile having empennage on the aft end ch provides both aerodynamic and hydrodynamic stability and a supercavitating nose section is provided. A representative...
5929370 Aerodynamically stabilized projectile system for use against underwater objects  
A projectile is propelled from a location in air, through an air/water interface, and toward a submerged underwater object. The projectile includes a forward end that forms a cavitation void around...
5690091 Speargun projectile assembly  
A projectile assembly for use in a breech loading hydraulic speargun. The assembly consists of a dart connected to a plug end. The assembly is inserted into the breech end of the speargun barrel...
5690090 Lanyard retainer for a speargun projectile  
A lanyard retainer for use in a breech loading hydraulic speargun. A projectile is attached to the retainer and the retainer and projectile are inserted into the breech end of the speargun barrel...
5078069 Warhead  
A warhead, used in a torpedo, includes an expolsive device that is detonatable within a breached water-tight compartment such that damage to the target is enhanced by the presence of the confined...
4911058 Depth charge fuze  
A depth charge fuze includes a piston in a cylinder sealingly and displaceably guided to actuate a firing mechanism against atmospheric pressure within the cylinder on one side of the piston. The...
4895074 Ignition trigger device  
In an ignition trigger device for an underwater projectile, a sensor that is connected with electronic means is provided. The sensor is equipped with water outlet openings, and consists of a...
4854238 Shark projectile  
A projectile having a tubular projectile body and provided with pointed fins pivotally mounted at the front end of the projectile body. The head fins expand when the projectile strikes a target...
4788914 Missile nosepiece  
A nosepiece for the forward end of a missile that is launched into the atmosphere for a ballistic trajectory and a water entry impact comprises a frangible base and a separable nosecap, the base...
4736685 Noise suppression in torpedoes  
Noise suppression is achieved in a closed Rankine cycle torpedo including a propulsor 36, a turbine 26 connected to the propulsor 36, the turbine 26 having an annular outlet 40. The regenerator 42...
Matches 1 - 50 out of 71 1 2 >