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

1995-01-30

1998-06-09

Porta, David P.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250 554, G01J 300

Patent

active

057638888

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.

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