Flame scanning system

Details Flame scanning system Flame scanning system

1983-12-02

1989-04-18

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

431 24, G08B 1712

Patent

active

048231142

ABSTRACT:
A flame scanning system for monitoring a combustion process by detecting flame emission characteristics in the ultraviolet light spectrum. A metered relative flame intensity signal, flame-off signal, and flame-on signal are provided. A self-diagnostic feature produces a flame marginal signal indicative of substandard flame operation; a tube marginal signal indicative of imminent UV tube failure is also produced. A scanner shutter mechanism includes a check failure feature for detecting UV tube failure. An electronic assisted sighting indicator is also included to assist during on-sight scanner positioning and to provide optimum scanner placement.

REFERENCES:
patent: 3307608 (1965-10-01), Cowan
patent: 3709615 (1973-01-01), Blakeslee et al.
patent: 3775762 (1973-11-01), Trumble
patent: 4168125 (1979-09-01), Wetmore et al.
patent: 4280184 (1981-07-01), Weiner et al.
patent: 4319229 (1982-03-01), Kirkor

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