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| Number | Title | Issue Date |
| 8109190 | Railgun system A system for accelerating an armature to launch a projectile by injecting liquid aluminum between the armature and a pair of electrically conductive rails. A system for accelerating an armature by injecting liquid metal between the armature a plurality of electrical... | 02/07/2012 |
| 8056462 | Sequential injection gas guns for accelerating projectiles Gas guns and methods for accelerating projectiles through such gas guns are described. More particularly, gas guns having a first injection port located proximate a breech end of a barrel and a second injection port located longitudinally between the first injection... | 11/15/2011 |
| 8042447 | Electromagnetic initiator coil The present invention enables the passive initiation of a deployment sequence for a countermeasure payload. The invention comprises an initiator coil that is positioned inside an electromagnetic countermeasure launcher. When the electromagnetic countermeasure launch... | 10/25/2011 |
| 8037799 | Thermal management for electromagnetic coil systems A system includes a housing and an electromagnetic coil within the housing. The electromagnetic coil is arranged in a coil stack. A thermal damper is positioned adjacent to the electromagnetic coil, and a thermal structural plate is positioned adjacent to the coil s... | 10/18/2011 |
| 7966922 | Electro-magnetic restraint A restraint for immobilizing a projectile with respect to its launch system is disclosed. When electromagnetic force is applied to the restraint, the restraint releases the projectile, thereby enabling its launch. ... | 06/28/2011 |
| 7946209 | Launcher for a projectile having a supercapacitor power supply The present invention generally concerns systems and methods for supplying electric power using supercapacitors; and more particularly, representative and exemplary embodiments of the present invention generally relate to improved methods and systems for supplying p... | 05/24/2011 |
| 7895931 | Electro magnetic countermeasure launcher A system for launching a countermeasure device is disclosed. In the illustrative embodiment, the system uses an electromagnetic catapult to throw a countermeasure payload, wherein the azimuth, elevation, and propulsive force of the electromagnetic catapult are contr... | 03/01/2011 |
| 7775148 | Multivalve hypervelocity launcher (MHL) Launching payloads at high velocity uses high-pressure gas or combustion products for propulsion, with injection of high pressure gas at intervals along the path behind the payload projectile as it accelerates along the barrel of the launcher. An inner barrel has an... | 08/17/2010 |
| 7752954 | Electromagnetic gun launcher An electromagnetic launcher having a longitudinal axis includes a pair of longitudinally extending rails; a pair of longitudinally extending insulators disposed between the rails; a bore defined by interior surfaces of the rails and the insulators; and a jacket exte... | 07/13/2010 |
| 7730821 | Electromagnetic launcher with augmenting breech In an exemplary electromagnetic launcher, a housing with breech and muzzle is slidably supported in a carriage supported on a trunnion. First and second electrical contacts are mounted in the carriage toward an axis of the trunnion. The first and second contacts are... | 06/08/2010 |
| 7703373 | Unitary electro magnetic coil launch tube An electromagnetic missile launcher is disclosed that provides greater flexibility for use with a variety of missile types and also provides potentially higher performance and efficiency as compared to prior-art electromagnetic missile launchers. ... | 04/27/2010 |
| 7647857 | Electro magnetic restraint mechanism A restraint for immobilizing a projectile with respect to its launch system is disclosed. When electromagnetic force is applied to the restraint, the restraint releases the projectile, thereby enabling its launch. ... | 01/19/2010 |
| 7526988 | Electromagnetic railgun projectile An electromagnetic railgun projectile is disclosed which includes an aeroshell having a substantially flat surface extending along the length thereof. The substantially flat surface is configured to increase the lift-to-drag ratio of the projectile during reentry. T... | 05/05/2009 |
| 7506571 | Breech assembly for an electrothermal gun This invention relates to a breech assembly of a gun adapted to fire caseless charges, ignited and enhanced with electrothermal chemical (ETC) charges. The gun utilizes charges as propellant and a plasma generator cartridge (PGC) for generating plasma when an electr... | 03/24/2009 |
| 7503249 | Barrels for electromagnetic guns A gun barrel for firing a projectile and particularly a rail gun barrel that comprises a pair of spaced apart rails and a pair of spaced apart insulators, which separate the rails, and together define a composite bore, all disposed centrally within an outer rigid tu... | 03/17/2009 |
| 7444919 | Tubular linear synchronous motor gun An electromagnetic (EM) launcher that receives electrical power is provided for ejecting a projectile. The launcher includes an armature for holding the projectile and a launch conduit for accelerating the armature along a longitudinal direction and thereby ejecting... | 11/04/2008 |
| 7409900 | Rails for electromagnetic hypervelocity launcher An electromagnetic launcher is provided for accelerating a projectile from a breech end to a muzzle end. The launcher includes a container, a rail contained therein and a support. The container includes an inner surface along an axial direction. The rail is containe... | 08/12/2008 |
| 7398722 | Multiple pole electromagnetic propulsion system with separated ballistic guidance and electrical current contact surfaces An electromagnetic propulsion system is disclosed having separate rails for ballistic guidance and for carrying current. In this system, one or more pairs of ballistic guidance rails are provided, with each ballistic guidance rail having a pair of current carrying r... | 07/15/2008 |
| 7377204 | Safer munitions with enhanced velocity An apparatus and process for providing exceptionally high velocity projectiles and safer, more accurate munitions. Inefficiencies in explosive oxidation rates and initial resistance to velocity acquisition are overcome. ... | 05/27/2008 |
| 7357128 | Closed loop defined profile current controller for electromagnetic rail gun applications A closed loop current controller for an electromagnetic rail gun. It is necessary to control the muzzle velocity of a rail gun accurately for the gun to be a good artillery device. The present invention provides a closed loop control system to accurately regulate th... | 04/15/2008 |
| 7340025 | Plasma antenna generator and method of using same A plasma antenna generator includes a ceramic portion including an ionizable material, an explosive charge adapted to project at least part of the ceramic portion upon detonation at a velocity sufficient to ionize the ionizable material, and a detonator coupled with... | 03/04/2008 |
| 7337774 | Projectile firing device using liquified gas propellant Rifle (1) comprises barrel (2) and loading means (15) for introducing a projectile from magazine (7) into breech (4). The projectile is propelled by a compressed gas propellant initially stored as a liquid in canister (10). ... | 03/04/2008 |
| 7331268 | Explosive neutralization method and device A method for neutralizing explosive ordnance is provided. According to an aspect of the method, an energetic charge is activated to produce a shockwave, which is imparted at an effective velocity and temperature on a gas to ionize the gas for creating plasma and to ... | 02/19/2008 |
| 7305912 | Chemically driven hydrogen gun An electrothermal gun uses an apparatus for generating high gas pressure. The apparatus includes a receiver having a combustion chamber for holding a propellant which produces a gas component and a particle component when the propellant undergoes an exothermic chemi... | 12/11/2007 |
| 7276819 | Explosively driven power generation, method and device A method for generating power including an energetic charge is activated to produce a shockwave, which is imparted at an effective velocity and temperature on a gas to ionize the gas for creating plasma and to drive the plasma. The plasma is impacted on an electrica... | 10/02/2007 |
| 7270044 | Plasma firing mechanism and method for firing ammunition The invention comprises a device and method for firing firearm ammunition using a plasma torch generator. In a particular embodiment, the device relates to the control or management of the rate of fire and number of rounds fired in a burst firing mode for automatic ... | 09/18/2007 |
| 7254914 | Hydrogen operated recreational launcher A hydrogen operated gun for shooting projectiles such as a paint pellet. Hydrogen gas is supplied to a combustion chamber and is combusted by a trigger controlled piezo igniter. The hydrogen may be supplied by a hydrogen generator or by a hydrogen storage container ... | 08/14/2007 |
| 7234667 | Modular aerospace plane This invention relates to the design of a Modular Aerospace Plane (MAP) comprising a forward fuselage section, a main wing section, a tail section and wing attachments. Various sections can be integrated to offer a variety of aircraft characteristics, performance an... | 06/26/2007 |
| 7197843 | Electronic ignition system for a firearm Electronic ignition systems which are designed for use with personal firearms utilizing black powder (or black powder substitutes) such as shotguns, rifles, and pistols. Generally, the firearms will be of the type classified as muzzleloaders. The electronic ignition... | 04/03/2007 |
| 7194945 | Projectile firing apparatus A barrel assembly with a barrel is provided. The barrel comprises a plurality of external chambers containing respective propellant charges, a plurality of projectiles stacked nose to tail within the barrel and comprising respective expansion spaces for propellant g... | 03/27/2007 |
| 7196336 | Apparatus for injecting plasma gas in atmosphere An apparatus for injecting plasma in the atmosphere is provided, including a plurality of dielectric panels (13a, 13b, 13c), and 13d, which are disposed in parallel at predetermined intervals, a gas supply port... | 03/27/2007 |
| 7192553 | In situ sterilization and decontamination system using a non-thermal plasma discharge A sterilization and decontamination system in which a non-thermal plasma discharge device is disposed upstream of a suspension media (e.g., a filter, electrostatic precipitator, carbon bed). The plasma discharge device generates a plasma that is emitted through aper... | 03/20/2007 |
| 7157815 | Brushless electric motor A solenoid-based propulsion system and methodology comprised of at least one multiple wire coil set solenoid that reversibly receives at least a portion of a magnetic object, wherein the wire coil sets of the solenoid are connected to the energizing control system t... | 01/02/2007 |
| 7152357 | Composite firearm barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 12/26/2006 |
| 7111619 | Magnetic field protection for the projectile of an electromagnetic coil gun system An electromagnetic coil gun system includes a launcher having a barrel with a longitudinal bore therethrough, and a plurality of longitudinally extending electrical excitation coils arranged circumferentially around the bore of the barrel so that a magnetic field pr... | 09/26/2006 |
| 7096791 | Projectile with improved dynamic shape A projectile that is primarily suited for supersonic flight, such as a bullet, a shell, or a rocket, incorporates the model of the natural wave behavior. The leading edge of the projectile has a sharp tip which merges smoothly into a cylindrical body. The merging se... | 08/29/2006 |
| 7098420 | Electrode for use with atmospheric pressure plasma emitter apparatus and method for using the same A plasma emitter apparatus and method for using the same that includes a primary electrode and a secondary electrode. The secondary electrode is porous, that is, it is configured to permit the passage of plasma discharge therethrough. Accordingly, the plasma is rece... | 08/29/2006 |
| 7094322 | Use of self-sustained atmospheric pressure plasma for the scattering and absorption of electromagnetic radiation A self-sustained atmospheric pressure system for absorbing or scattering electromagnetic waves using a capillary discharge electrode configuration plasma panel and a method for using the same. Of particular interest is the application of this system to vary the leve... | 08/22/2006 |
| 7082823 | Digital signal processing back biased hall effect muzzle velocity measurement system A system for precisely measuring muzzle exit velocity of a “muzzle loaded” mortar projectile fired from a mortar tube using two back-biased Hall effect sensors for projectile gas ring channel detection. The system includes a back-biased Hall effect sensor block,... | 08/01/2006 |
| 7077046 | Resonance in electromagnetic launchers The present invention considers the problem of energizing large electric current, electromagnetic driving force and acceleration in coilguns by means of electromagnetic resonant oscillations, both in the armature, that represents the oscillatory contour consisting o... | 07/18/2006 |
