Fmc Corporation

Union Carbide Corporation

George S Chryssomallis

Irwin Charles Lewis

Leonard S Singer

Charalampos D Marinos

Faramarz Nazem

Dennis Borgwarth

Chris S Sorenson

James P Warren

Robert S Griffing

Stephen F Mulich, Jr

The apparatus disclosed herein relates to plasma injection and distribution systems which release high energy plasma into a combustible mass to promote efficient combustion and maximize the muzzle velocity of a projectile. The devices inject plasma streams into a combustible mass in a coherent and directed manner such that pressure peaks and the resultant thermal and dynamic stresses are eliminated. Particularly, strategically positioned outlet orifices and nozzles enable the invasion of a propellant mass by plasma jet streams to create controllable uniform ignition and combustion therein.

Plasma injection and distribution systems

Apparatus for providing a controlled increase in muzzle velocity of a projectile while reducing peak value of gas pressure inside a gun barrel. A cartridge includes an elongated body having a central bore divided into three chambers, with a fuel chamber separated from an oxidizer chamber and an elongated capillary chamber by a plurality of membranes. A fuse wire and a power supply vaporize a plasma base in the capillary chamber and provide a controlled jet to provide combustion between a second fuel in the fuel chamber and an oxidizer material in the oxidizer chamber. The power supply controls the fuel-oxidizer combustion rate to obtain a relatively steady pressure of long duration against the projectile which results in high projectile velocity with relatively low peak values of pressure in the gun barrel.

Combustion augmented plasma gun

An electrode member comprising an electrode body having cementing pitch adhered to and impregnated within at least a portion of its electrode joint surface. Also a process for producing an electrode joint comprising applying a cement which is a solution/slurry of cementing pitch in nonaqueous organic solvent to at least a portion of the mating surfaces of such electrode joint.

Electrode member and process for the production thereof

A propulsion device uses an electrically driven plasma injector to feed combustible fuel into a chamber prefilled with an oxidizer. A reaction between the two constituents augments the electrical power input to produce amplified pressure for the acceleration of projectiles.

Combustion augmented plasma pressure amplifier

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Golden Valley, MN, United States of America

George S Chryssomallis