Patent ID: 8475162

Claim:
A method of operating a cooking appliance, comprising: receiving a user-input signal corresponding to a user-desired quantity of heat to be delivered by a gas burner to a cooking surface, identifying a burner rating of the gas burner, setting a target pressure at which to supply gas to the gas burner based on the user-input signal and the burner rating, selecting an operation mode from a number of operation modes based on the target pressure, and operating a gas control system to supply gas to the gas burner in accordance with the selected operation mode, wherein operating the gas control system further comprising the steps of: supplying gas to the gas burner, igniting gas in the gas burner to produce a controlled flame, measuring the pressure of the gas supplied to the gas burner, suspending the supply of gas after a predefined time interval, determining an average quantity of heat delivered to the cooking surface during the predefined time interval based on the measured pressure of the gas and the burner rating, and calculating a duration for which the supply of gas is to be suspended.