Self-stabilizing arc heater

Electric heating – Metal heating – By arc

Patent

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Details

219 74, 219 75, B23K 900

Patent

active

040385124

ABSTRACT:
The arc heater of this invention is characterized by a pair of axially spaced substantially cylindrical electrodes which form a narrow gap between adjacent ends thereof. The gap communicates between a peripheral plenum chamber and the arc chamber formed by the electrodes, and the gap is included inwardly and downwardly toward the outlet end of the arc chamber in order to prevent solid particles from entering and clogging the gap as the particles travel through the arc chamber. The arc heater also includes a third cylindrical electrode disposed at the inlet end of the arc chamber.

REFERENCES:
patent: 3465115 (1969-09-01), Hirt et al.
patent: 3521106 (1970-07-01), Hess
patent: 3591759 (1971-07-01), Stand
patent: 3705975 (1972-12-01), Wolf et al.
patent: 3770935 (1973-11-01), Tateno et al.
patent: 3953705 (1976-04-01), Painter

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