Plasma spray gun with cooling fin nozzle and deionizer

Details Plasma spray gun with cooling fin nozzle and deionizer Plasma spray gun with cooling fin nozzle and deionizer

1981-08-14

1983-09-20

Paschall, M. H.

Electric heating

Metal heating

By arc

219121PN, 219121PM, 219121PL, 2391323, B23K 900

Patent

active

044058535

ABSTRACT:
A plasma spray gun nozzle with fins for cooling. The fins are designed in the region radially outward of the point where the arc strikes the nozzle to have a base width and a slot width and slot depth having advantageous dimensions. Coolant is forced through the slots at a rate to achieve optimum heat transfer. Accordingly, the design for the nozzle used in its desired manner provide a plasma flame spray gun which will operate for an appreciably longer time than could prior art plasma flame spray guns before a gun failure is likely to occur.

REFERENCES:
patent: 3641308 (1972-02-01), Couch, Jr. et al.
patent: 3684911 (1972-08-01), Perugini et al.
patent: 3914573 (1975-10-01), Muehlberger
patent: 4293755 (1981-10-01), Hill et al.
Welding Handbook, Section 2, Sixth Edition, pp. 29.34, 29.35, .COPYRGT.1969.

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