Electrode assembly of plasmatron

Details Electrode assembly of plasmatron Electrode assembly of plasmatron

1974-05-14

1976-03-16

Truhe, J. V.

Electric heating

Metal heating

By arc

219145, 219 75, 313357, B23K 500

Patent

active

039447782

ABSTRACT:
An electrode assembly for a plasmatron, comprising a holder being cooled having a high-heat insert mounted therein in contact with a near-the-electrode zone of an arc at one side thereof and in thermal and electrical contact with the cooled holder at the other side thereof; a chamber formed in said holder between said high-heat insert and cooled holder extending symmetrical to the insert axis and filled with a substance whose coefficient of thermal conductivity is lower than that of the material of the cooled holder, the substance filling the chamber being in constant contact with the high-heat insert.
Used as a substance filling the chamber is a gaseous element, and as a high-heat insert is a metal selected from groups IV, V, or VI of the Periodic System, or an alloy based thereon.

REFERENCES:
patent: 2922028 (1960-01-01), Butler et al.
patent: 3089983 (1963-05-01), Hapancourt et al.
patent: 3198932 (1965-08-01), Weatherly
patent: 3272962 (1966-09-01), Mauskapf
patent: 3375392 (1968-03-01), Brzozowski et al.
patent: 3408518 (1968-10-01), Strupczewski
patent: 3546422 (1970-12-01), Bykhovsky et al.
patent: 3780259 (1973-12-01), Meyer

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