Ignition detection method and device for a reaction vessel

Details Ignition detection method and device for a reaction vessel Ignition detection method and device for a reaction vessel

1995-02-03

1997-04-01

Rosenberger, Richard A.

Optics: measuring and testing

By polarized light examination

With light attenuation

250554, G01B 1100

Patent

active

056172087

ABSTRACT:
A method for detecting a source of ignition in a zone of a reactor vessel involving the optical measurement of the progress of a flame front generated by the ignition. The ignition is sensed and the time thereof measured and recorded. A photosensor senses the entry of the flame front into its view aperture and the time thereof is measured. The time of the ignition is compared to the time of the flame front's entry into the photosensor's view aperture. Further, an apparatus for determining the location of ignition of combustion in a reactor zone having a means for detecting the ignition and a plurality of photosensors for characterizing the accompanying flame front's progression. Also, a photosensor assembly for use in connection with the method and apparatus.

REFERENCES:
patent: 3613062 (1971-10-01), Bloice
patent: 4910501 (1990-03-01), Montoya
patent: 4964388 (1990-10-01), Lefebvre
patent: 5120975 (1992-06-01), Fedor et al.

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