Flame detection apparatus and methods

Details Flame detection apparatus and methods Flame detection apparatus and methods

1996-08-07

1998-09-29

Yeung, James C.

Combustion

Structural installation

431 18, 431 74, 431 75, F23D 1320

Patent

active

058138498

ABSTRACT:
The present invention provides improved acoustic flame detection apparatus and methods for detecting the presence or non-presence of a flame from a location remote from the flame. The flame detection apparatus is comprised of a conduit extending between the location of the flame to be detected and the remote location, a sound detector connected to the conduit for detecting sound conducted to it by the conduit and generating a signal representative thereof and means for receiving the signal and indicating the presence or non-presence of the flame in response thereto.

REFERENCES:
patent: 2767783 (1956-10-01), Rowell et al.
patent: 2966209 (1960-12-01), Pegrum
patent: 3635018 (1972-01-01), De Corso et al.
patent: 3811816 (1974-05-01), Whitman
patent: 3833336 (1974-09-01), Ray
patent: 3932111 (1976-01-01), Liknes et al.
patent: 4538979 (1985-09-01), Bertrand
patent: 4626191 (1986-12-01), Bertrand
patent: 5120214 (1992-06-01), West et al.
patent: 5472337 (1995-12-01), Guerra
NASA Langley Research Center Publication Entitled "Acoustic Flame-Out Detector", (Date Unknown).

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