VARIABLE EXHAUST FAN FOR OVEN
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
Jul 18, 2022
filing date -
Jul 18, 2022
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Abstract
Various embodiments disclosed herein provide for a variable exhaust oven that can modify an exhaust rate of an exhaust fan of the oven based on the firing rate or burn rate of a burner of the oven while still complying with safety regulations. By reducing the exhaust rate of the variable exhaust oven when the burn rate decreases, the variable exhaust oven can save costs by reducing the thermal energy lost due to unnecessary removal of air from the oven, and can lower electrical costs by operating the exhaust fan at a lower speed. The burn rate of the burner is controlled based on a temperature within the variable exhaust oven. A flame safety controller, or other controller, of the variable exhaust oven can control the exhaust rate of the exhaust fan (fan speed and/or damper adjustment) based on the burn rate of the burner.
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