Plasma torch with hollow fluid cooled nozzle

Details Plasma torch with hollow fluid cooled nozzle Plasma torch with hollow fluid cooled nozzle

1985-09-27

1987-02-24

Paschall, M. H.

Electric heating

Metal heating

By arc

219 75, 219121PM, 219121PP, B23K 1500

Patent

active

046458999

ABSTRACT:
In a plasma torch having an output end, the torch including an electrode having a longitudinal axis, and a generally cylindrical nozzle body surrounding, and positioned concentrically with, the electrode and the nozzle body, the nozzle body includes: a radially symmetrical, generally cylindrical inner wall spaced radially from the electrode; a radially symmetrical, generally cylindrical outer wall surrounding, and arranged concentrically with respect to, the inner wall; a front end wall located in the vicinity of the torch output end and joining together the inner and outer walls; and an electrical insulating component forming part of at least one of the inner and front end walls and extending entirely across its associated wall for electrically insulating the inner and outer walls from one another at at least one location in the vicinity of the front end wall.

REFERENCES:
patent: 2616017 (1952-10-01), Anderson
patent: 3147329 (1974-09-01), Gage
patent: 3204076 (1965-08-01), Browning
patent: 3858072 (1974-12-01), Dembovsky
patent: 4311897 (1982-01-01), Yerushalmy

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