COMBUSTION CONTROLLING DEVICE AND METHOD
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United States of America Patent
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Issued Date -
Sep 20, 2018
app pub date -
Mar 15, 2018
filing date -
Mar 15, 2018
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Abstract
A flame detection adjusting portion adjusts a preset reference threshold value based on a sensor output indicating disturbance light obtained from a flame sensor before an ignition attempt in combustion equipment and outputs an obtained adjusted threshold value, and a combustion flame detecting portion detects a presence or an absence of a combustion flame in the combustion equipment based on the sensor output obtained from the flame sensor during combustion in the combustion equipment and an adjusted threshold value.
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