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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7217059 | Fixing and release systems A connecting means adapted to fix or release a first element (4) and a second element (5) includes a locking pin (1) which is moveable to remote activation means between a locked position. In which leg (8) expends wall (9) into rec... | 05/15/2007 |
| 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 |
| 7077047 | Electromagnetic propulsion devices Electromagnetic propulsion device as a gun or reversible electric motor having a barrel with a cavity extending its length, an armature in said cavity with a permanent magnetic or energized propulsion bus coil, a plurality of wall conductors orthogonal and circumscr... | 07/18/2006 |
| 6355599 | Radiation curable coating composition for superconducting wire This invention provides a radiation curable coating composition for superconducting wires. The coating composition comprises at least one (meth)acrylate terminated urethane oligomer, at least one adhesion promoter, at least one (meth)acrylate functionaliz... | 03/12/2002 |
| 5217948 | Phase change cooling for an electromagnetic launch The device employs Hybrid Pulsed Transformer principles employing a projectile with an internal pay load. The projectile carries a light weight shorted secondary coil or coils constructed of aluminum and the projectile acts as a moving secondary through a... | 06/08/1993 |
| 5182254 | Superconducting electromagnetic projectile launchers A pair of copper rails on which a projectile is mounted forms an electrometic rail gun. One end of the rails is connected across an electrical coil which resides between a pair of Helmholtz coils made of a high temperature superconducting material. The H... | 01/26/1993 |
| 5122506 | Contactless mass moving system A process for moving a magnetized object at a velocity in excess of 10 kilometers per second is provided. In this process, a symmetrical chamber which contains alternating portions of superconductive material and electromagnetic coils is provided. A magne... | 06/16/1992 |
| 5093313 | Electromagnetic ground to orbit propulsion method and operating system for high mass payloads A reusable and regenerative electromagnetic propulsion method and operating system is provided for propelling high mass payloads to orbital velocities which does not require a vacuum environment. The propulsion system comprises a self supporting supercond... | 03/03/1992 |
| 5017549 | Electromagnetic Meissner effect launcher An electromagnetic projectile launcher provides acceleration of a superconducting projectile through the diamagnetic repulsion of the superconducting projectile. A superconducting layer is provided aft of the projectile, either directly on the projectile ... | 05/21/1991 |
| 4971949 | Electromagnetic launcher A toroidal circumferentially wound superconducting coil is provided for generating a constant magnetic field with a significant radial field component. A room-temperature resistive coil wound circumferentially and connected to launch activating means is c... | 11/20/1990 |
| 4966884 | DC powered hybrid coil gun employing superconducting elements A device and apparatus, consisting of a standard barrel, a superconductive magnet winding wrapped around the barrel, a large mass piston and a projectile. This device is a direct-current powered hybrid coil gun which operates to accelerate projectiles to ... | 10/30/1990 |
| 4960760 | Contactless mass transfer system An apparatus designed to move mass without contact is described. The apparatus contains a chamber which is formed by alternating sections of superconducting material and electromagnetic coils. The chamber is cooled to below the critical temperature of the... | 10/02/1990 |
| 4939976 | Electromagnetic ground to orbit propulsion method and operating system for high mass payloads A reusable and regenerative electromagnetic propulsion method and operating system is provided for propelling high mass payloads to orbital velocities which does not require a vacuum environment. The propulsion system comprises a self supporting supercond... | 07/10/1990 |
| 4901621 | Superconducting projectile for a rail gun and the combination of a rail gun with a superconducting projectile A rail gun projectile includes superconducting material. Current from a DC power supply flows between the rails through the superconducting material with a component at right angles to the elongated direction of the rails. The superconducting material is ... | 02/20/1990 |
