Invention Application
US20010032452A1 System and method for sensor control of the fuel-air ratio in a burner 有权
用于传感器控制燃烧器中燃料 - 空气比的系统和方法

System and method for sensor control of the fuel-air ratio in a burner
Abstract:
A method for controlling the fuel-air ratio of a burner having a blower responsive to a blower drive signal for injecting air into the burner. The method is based at least on the concentration of a gas in an exhaust gas product of a combustion chamber of the burner and includes measuring the gas concentration in the exhaust gas product, deriving a gas concentration signal from the measured gas concentration, determining the fuel-air ratio from the gas concentration signal and the sign of the derivative of the gas concentration signal with respect to the blower drive signal, and controlling the fuel-air ratio by adjusting the air flow rate into the burner. The burner may be, for example, in a Stirling cycle engine.
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