Class 124/3 - ELECTROMAGNETIC

Subclass of Class 124 - Mechanical guns and projectors
Definition: Devices for projecting missiles through the air by means
No. of applications: 24
Last issue date: 01/05/2012

Application No.	Application Title	Issue Date
20120000450	Solid-to-Hybrid Transitioning Armature Railgun With Non-Conforming-To-Prejudice Bore Profile An improved railgun, railgun barrel, railgun projectile, and railgun system for accelerating a solid-to-hybrid transitioning armature projectile using a barrel having a bore that does not conform to a cross-sectional profile of the projectile, to contact and guide the p...	01/05/2012
20110297134	Projectile launcher A projectile launcher having a magnet based driver motor. The driver motor is constructed of a coil winding suspended within a magnetic field formed by the combination of a front plate, a magnet and a pole piece attached to a back plate. An electrical controller is elec...	12/08/2011
20100300274	ELECTROMAGNETIC MISSILE LAUNCHER A technique for launching a missile that avoids some of the costs and disadvantages for doing so in the prior art. In particular, the illustrative embodiment of the present invention uses an electromagnetic catapult to throw the missile clear of the launch platform—wi...	12/02/2010
20100263648	Stacked Munitions Launcher and Method Therefor A system for launching a plurality of projectiles from a single launch tube is disclosed. In the illustrative embodiment, the system uses an electromagnetic catapult to sequentially throw a first projectile and a second projectile. The first projectile is thrown while t...	10/21/2010
20100043764	METHOD FOR QUASI-INSTANTANEOUS POLYMERIZATION OF FILAMENT WOUND COMPOSITE MATERIALS A method of winding fibers on a mandrel, the wound fibers being in tension, includes providing a source of fibers, imposing a torque on the source that resists dispensing the fibers from the source to exert a tension on the fibers, adding ultra-violet sensitive material...	02/25/2010
20090314269	Helical field accelerator A helical field device that accelerates an object to high velocity by converting rotational kinetic energy in the device into linear kinetic energy in the object, and alternatively, that decelerates objects from high velocity by converting the linear kinetic energy in t...	12/24/2009
20090199830	Compressed gas projectile accelerator having multiple projectile velocity settings A compressed gas projectile accelerator that includes a velocity adjustment mechanism and/or method configured to allow the compressed gas projectile accelerator to expel projectiles between a first velocity setting and a second velocity setting. The velocity adjustment...	08/13/2009
20090173328	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 launcher e...	07/09/2009
20080121098	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 controlla...	05/29/2008
20080053299	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 ele...	03/06/2008
20080006144	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....	01/10/2008
20070277797	Apparatus and method to pulverize rock using a superconducting electromagnetic linear motor A rock pulverizer device based on a superconducting linear motor. The superconducting electromagnetic rock pulverizer accelerates a projectile via a superconducting linear motor and directs the projectile at high speed toward a rock structure that is to be pulverized by...	12/06/2007
20070277668	Two Rail Electromagnetic Gun Electromagnetic gun with a cavity extending through its barrel, two power rails with cavity surface their length, a plurality of wall (conductor) coils circumscribing and orthogonal the cavity, distributed its length with contact means at the cavity on one end a bus com...	12/06/2007
20070261543	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. The p...	11/15/2007
20070234893	Augmented EM Propulsion System An electromagnetic missile launcher is disclosed that avoids some of the costs and disadvantages of missile launchers in the prior art. In particular, an embodiment of the present invention uses a pilot accelerator that comprises an electromagnetic booster coil to impro...	10/11/2007
20070056572	Electromagnetic Propulsion Devices Utilizing Wall Conductors Electromagnetic propulsion devices having a barrel with a cavity its length, armatures for said cavity with a propulsion bus in and circumscribing said armature's body, orthogonal the axis thereof with power rail continuity on one end and propulsion bus-aft shunt circui...	03/15/2007
20060288853	Collateral Cavity Electromagnetic Propulsion Guns Narrow collateral cavity electromagnetic guns with two wall conductor assemblies with a divide plane proximal barrel bus and array of wall conductors extending therefrom to contact means proximal the half cavity's narrow wall in each collateral cavity half, like potenti...	12/28/2006
20060243124	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 tube. ...	11/02/2006
20060162536	Electromagnetic Gun With Parallel Wall Conductor Assembles Narrow cavity rail guns with: a power rail proximal each edge, a wall conductor assembly in each cavity wall there between with barrel bus at one rail and extending therefrom to distal contact means at the cavity, an array of parallel, spaced, cavity orthogonal wall con...	07/27/2006
20060144379	Single-and-continual shot changeover device for a nailing gun A single-and-continual shot changeover device for a nailing gun includes a trigger shaft positioned in an interior of a trigger body, a trigger inner member pivotally connected with an intermediate fitting stage of the trigger shaft, which also has two slide shaft stage...	07/06/2006
20060027085	Acceleration of large projectiles with electrostatic forces Once one has taken into account basic shooting/launching issues like breach, barrel, and projectile, work on electrostatic forces can begin. Firstly, safety is a must, the static generator is not lethal but the capacitors are very lethal. Secondly, select material for t...	02/09/2006
20060027084	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 produc...	02/09/2006
20050155487	Improvements to 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 circumscribin...	07/21/2005
20050016373	METHOD FOR SHIPBOARD OPERATION OF ELECTROMAGNETIC GUN AND ROTATING PULSE FORMING NETWORK An electromagnetic gun and rotating pulsed network system that includes a gun barrel coupled to a gun mount coupled on a rotating platform on one deck of a naval ship. A pulse forming network which is cylindrical in shape provides pulsed energy to the electromagnetic gu...	01/27/2005

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Class 124/3 - ELECTROMAGNETIC