Three-phase arc heater

Details Three-phase arc heater Three-phase arc heater

1975-08-11

1977-08-16

Truhe, J. V.

Electric heating

Metal heating

By arc

219 74, 219383, B23K 900

Patent

active

040428028

ABSTRACT:
A three-phase arc heater system characterized by two axially spaced, sustantially cylindrical electrodes forming a first intermediate gap, a third electrode forming a second intermediate gap upstream of the first gap, means for channeling gas to the first and second gap, and a three-phase delta-connected power source having a ground conductor connected to the downstream electrode.

REFERENCES:
patent: 3140421 (1964-07-01), Spongberg
patent: 3248513 (1966-04-01), Sunnen
patent: 3283205 (1966-11-01), Bolt
patent: 3373306 (1968-03-01), Karlovitz
patent: 3541297 (1970-11-01), Sunnen et al.
patent: 3578943 (1971-05-01), Schoumaker
patent: 3760151 (1973-09-01), Wolf et al.
patent: 3869593 (1975-03-01), New et al.

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