Plasma torches

Details Plasma torches Plasma torches

1976-03-04

1977-03-22

Reynolds, Bruce A.

Electric heating

Metal heating

By arc

219123, B23K 908

Patent

active

040138666

ABSTRACT:
A heating device which produces a plasma flame of elongated cross-section comprises a plasma torch and means for generating a magnetic field. The nozzle of the torch has an elongated exit aperture, across which the magnetic field is directed, and the torch incorporates at least one internal electrode arranged so that when an arc is struck between it and the nozzle the arc root at the nozzle will move along the aperture under the influence of the magnetic field.

REFERENCES:
patent: 2809278 (1957-10-01), Persson
patent: 3106634 (1963-10-01), Eschenbach et al.
patent: 3275786 (1966-09-01), Cushman

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