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Lean blowoff detection sensor

United States Patent

April 3, 2007
View the Complete Patent at the US Patent & Trademark Office
National Energy Technology Laboratory - Visit the Technology Transfer Website
Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored as a function of time are used to indicate incipient lean blowoff conditions.
Thornton; Jimmy (Morgantown, WV), Straub; Douglas L. (Morgantown, WV), Chorpening; Benjamin T. (Morgantown, WV), Huckaby; David (Morgantown, WV)
United States Department of Energy (Washington, DC)
10/ 865,037
June 10, 2004
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Agreement between National Energy Technology Laboratory and pursuant to the employer-employee relationship of the U.S. Department of Energy and the inventors.