Flame detection
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United States of America Patent
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Dec 17, 1991
Issued Date -
N/A
app pub date -
Sep 21, 1989
filing date -
Sep 2, 1985
priority date (Note) -
Expired
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Abstract
A method and apparatus of detecting the condition of a flame having an emf by electrically conducting the emf generated by the flame as a signal to a sensor through an electrically isolated conductor means and sensing with said sensor an electrical parameter which is measure of the emf of the flame and wherein the parameter is the ratio of the A.C. and D.C. signal levels.
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