Systems and methods for flame monitoring in gas powered appliances
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United States of America Patent
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May 30, 2023
Grant Date -
Jul 29, 2021
app pub date -
Jan 23, 2020
filing date -
Jan 23, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A gas powered water heater includes a storage tank, a main burner, a flame sensor assembly, and a controller communicatively coupled to the flame sensor assembly. The flame sensor assembly includes a probe positioned proximate the main burner to couple an electric current to the main burner through a flame on the main burner and not to couple an electric current to the main burner when the flame is not present on the main burner, and a detector that provides signals representative of the electric current provided through the probe. The controller is programmed to determine a length of time taken for a transition between a signal representative of no electric current and a signal representative of a steady state electric current, and determine, based at least in part on the determined length of time, a strength of the flame on the main burner.
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