Messerschmitt-bolkow-blohm Gmbh

Hans Leis

Felix Nitschke

Thomas Sikora

A device for firing projectiles (9) through an electrically heated plasma including a combustion chamber (12) which is provided on the breech side and the muzzle side with an electrode each, between which an arc generating plasma burns. A cartridge (18), which contains a material that decomposes into a low-molecular-weight gas under the effect of the arc, can be introduced into the combustion chamber (12). A current conductor, which connects a breech-side electrode (10) to the muzzle-side electrode (7) extending annularly around the muzzle-side end of the cartridge (18), is arranged in the longitudinal axis of the cartridge (18). The current conductor (20) consists of a plurality of strands (21) which extend radially to the outside from the longitudinal axis toward the annular electrode (7) at least at the muzzle-size end of the cartridge (18).

Firing device

A heatable centrifuge is formed of a rotor rotatable about a central axis. The rotor includes a dish shaped portion concentric to the central axis and a jacket portion extending upwardly from the outer peripheral edge of the dish shaped portion and disposed in parallel with the central axis. Preferably, the dish shaped portion is formed of an electrically insulating and heat insulating ceramic material and the jacket portion is formed of a high strength electrically conductive material. Sample containers are symmetrically arranged with the rotor supported with an insert within the jacket portion. Conductive heating members, such as electro-magnets, are arranged about the outer surface of the jacket portion for transmitting heat through the jacket portion to the material being centrifuged.

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Neubiberg, Germany

Hans Leis