Flame detecting system
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United States of America Patent
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Aug 29, 2017
Grant Date -
Dec 1, 2016
app pub date -
May 25, 2016
filing date -
May 26, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A flame detecting system capable of easily performing a deterioration diagnosis of a flame sensor without being provided with a shutter mechanism. The flame detecting system comprising a flame sensor to detect light, a calculating device, and a reference light source, in which the calculating device, by operations of a central processing unit CPU, is configured to execute a first mode at which the discharge probability in the flame sensor is measured when the reference light source is turned off and a second mode at which the discharge probability in the flame sensor is measured when the reference light source is turned on, and calculate a current discharge probability of the flame sensor from data obtained at the first mode and the second mode.
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