Conveyor oven having an energy management system for a modulated gas flow
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United States of America Patent
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Nov 19, 2002
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N/A
app pub date -
Jun 18, 2001
filing date -
Nov 17, 2000
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Abstract
A conveyor oven has a modulating gas valve which raises and lowers the thermal output of a burner that heats the oven. A bypass line passes a minimum amount of gas to prevent the burner from completely shutting down during periods while the oven remains above a threshold demand for more heat. Electrical isolation is provided between temperature controlling devices to prevent an electrical feed back which might otherwise prevent a complete shut down of the oven during hazardous conditions.
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