High temperature gas stream optical flame sensor and method for

Details High temperature gas stream optical flame sensor and method for High temperature gas stream optical flame sensor and method for

1996-10-24

1999-07-27

Westin, Edward P.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

25033915, G01J 520

Patent

active

059294507

ABSTRACT:
A high temperature gas stream optical flame sensor for flame detection in gas turbine engines, and method for fabricating same is provided. The sensor generally comprises a silicon carbide photodiode and silicon carbide based amplification hardware for generating a signal indicative of the presence of the flame. In a preferred embodiment, the photodiode and amplification hardware are disposed within a sensor housing and the photodiode is situated within a fuel/air premixer.

REFERENCES:
patent: 5033666 (1991-07-01), Keusseyan et al.
patent: 5257496 (1993-11-01), Brown et al.
patent: 5277496 (1994-01-01), Mayer et al.
patent: 5565692 (1996-10-01), Michon
patent: 5670784 (1997-09-01), Cusack et al.

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