Electric heating – Metal heating – By arc
Patent
1975-01-24
1977-04-26
Truhe, J. V.
Electric heating
Metal heating
By arc
B23K 900
Patent
active
040203182
ABSTRACT:
This concerns an electron beam generator system in which the supply for at least one auxiliary electrode of the electron gun (for example the filament or biasing electrode) is provided by a high frequency oscillator connected to a transformer or other coupling means, the output of which is applied at the electron beam gun column to a component which is itself connected to the output of the high voltage generator; this dispenses with the superimposition of the auxiliary supply on the HT voltage at a remote high voltage generator and with the corresponding auxiliary supply conductor in the conventional high voltage cable between the high voltage generator and the electron beam gun column.
REFERENCES:
patent: 3193722 (1965-07-01), Opitz
patent: 3251536 (1966-05-01), Connor
patent: 3413517 (1968-11-01), Barber et al.
patent: 3497666 (1970-02-01), Hansen
patent: 3760279 (1973-09-01), Rudolph
patent: 3761676 (1973-09-01), McFarland et al.
patent: 3878424 (1975-04-01), Suganuma
patent: 3909662 (1975-09-01), Thomas et al.
patent: 3909663 (1975-09-01), Thomas et al.
Bell Fred E.
The Welding Institute
Truhe J. V.
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