Patent ID: 8469019

Claim:
A cooking appliance, comprising: a cooking surface, a gas burner positioned below the cooking surface, the gas burner being operable to generate a quantity of heat at the cooking surface, and a gas valve comprising: (i) an outlet fluidly coupled to the gas burner, and (ii) a pressure sensor operable to measure the pressure of the gas supplied to the gas burner from the gas control valve and generate an electrical output signal indicative the measured pressure of the gas, wherein the gas valve is programmed to adjust a supply of gas to the gas burner based on the measured pressure, a target pressure and the burner rating, wherein the supply of gas is suspended after a predefined time interval to determine an average quantity of heat that is delivered to the cooking surface during the predefined time interval to calculate the suspended time interval, such that a user-desired quantity of heat is generated at the cooking surface.