SYSTEMS AND METHODS FOR CONTROLLING A HEAT TRANSFER SYSTEM
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United States of America
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Issued Date -
Mar 3, 2022
app pub date -
Sep 2, 2020
filing date -
Sep 2, 2020
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Abstract
A flame sensing system, a flame sensing unit, and a method for sensing a flame are described. The flame sensing system includes a flame sense probe and a power regulating device. The power regulating device is configured to generate a regulated voltage from an input voltage received from a power source and to output the regulated voltage to the flame sense probe such that a flame current along a flame can be measured. The flame sensing system also includes a flame current detector to measure the flame current and generate an output voltage corresponding to the flame current, and a first level detector to generate a flame strength output signal based on the output voltage, where the flame strength output signal is indicative of a strength of a flame.
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