Plasmaburner with contact protection

Details Plasmaburner with contact protection Plasmaburner with contact protection

1980-03-25

1982-05-18

Rubinson, Gene Z.

Electric heating

Metal heating

By arc

219121PR, 219121PM, 219121PT, 219121P, 21913021, B23K 900

Patent

active

043307000

ABSTRACT:
There is disclosed a plasma burner which has contact protection for protecting the operator against impermissibly high voltage and the burner head itself against destruction. The plasma burner comprises a burner shaft, a nozzle and a nozzle cap surrounding the nozzle, with cooling water flowing between them, a cathode disposed coaxially in the nozzle, a fault current protective circuit and a voltage indicator, disposed over the nozzle cap and insulated therefrom by an air gap is an electrically conductive protective cap.

REFERENCES:
patent: 3558973 (1971-01-01), Pochert et al.
patent: 3571556 (1971-03-01), Wustner
patent: 3745321 (1973-07-01), Shapiro et al.
patent: 3830428 (1974-08-01), Dyos
patent: 3914575 (1975-10-01), Eichler

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