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Systems and methods for detecting a flame in a fuel nozzle of a gas turbine

United States Patent

May 7, 2013
View the Complete Patent at the US Patent & Trademark Office
A system may detect a flame about a fuel nozzle of a gas turbine. The gas turbine may have a compressor and a combustor. The system may include a first pressure sensor, a second pressure sensor, and a transducer. The first pressure sensor may detect a first pressure upstream of the fuel nozzle. The second pressure sensor may detect a second pressure downstream of the fuel nozzle. The transducer may be operable to detect a pressure difference between the first pressure sensor and the second pressure sensor.
Kraemer; Gilbert Otto (Greer, SC), Storey; James Michael (Houston, TX), Lipinski; John (Simpsonville, SC), Mestroni; Julio Enrique (Marietta, GA), Williamson; David Lee (Greer, SC), Marshall; Jason Randolph (Moore, SC), Krull; Anthony (Anderson, SC)
General Electric Company (Schenectady, NY)
12/ 350,626
January 8, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with support of the United States government under Contract No. DE-FC26-05NT42643 awarded by the U.S. Department of Energy. The United States government may have certain rights in this invention.