Apparatus for monitoring a plasma torch

Details Apparatus for monitoring a plasma torch Apparatus for monitoring a plasma torch

1983-08-26

1987-02-03

Fields, Carolyn E.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

250342, 2503541, 219121PT, 375 30, G01J 510

Patent

active

046406271

ABSTRACT:
An apparatus for monitoring a plasma torch includes a dedicated photometer which produces a signal representative of the temperature of a quartz tube of the torch, which signal can be used to reduce the temperature thereof.

REFERENCES:
patent: 3766781 (1973-10-01), Roberts
patent: 3817622 (1974-06-01), Billman et al.
patent: 3891847 (1975-06-01), Schmidt et al.
patent: 4256404 (1981-03-01), Walker
patent: 4283934 (1981-08-01), Siess
Hunn, "A Transpiration Radiometer for Measurement of Total Thermal Radiation from a Flowing Plasma", Proc. 18th International ISA Aerospace Instru. Sym., vol. 18, Miami, Florida, May 15-17, 1972, pp. 131-135.

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