Signal conditioner for use in a burner control system
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United States of America Patent
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May 5, 2015
Grant Date -
Oct 1, 2009
app pub date -
Mar 25, 2009
filing date -
Mar 26, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A signal conditioner for use with a controller and a burner receives an input signal from the controller. A conversion circuit generates a primary output signal corresponding to the input signal to control the burner. The signal conditioner also includes a delay circuit. The delay circuit overrides the primary output signal generated by the conversion circuit and substitutes a delay signal to the burner at a predetermined level for a predetermined time. The signal conditioner may also include a temperature override circuit, which receives a temperature of air from the burner. If the temperature is above or below established limits, the temperature override circuit substitutes a temperature override signal to the burner.
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