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Temperature detection in a gas turbine

United States Patent

December 18, 2012
View the Complete Patent at the US Patent & Trademark Office
A temperature detector includes a first metal and a second metal different from the first metal. The first metal includes a plurality of wires and the second metal includes a wire. The plurality of wires of the first metal are connected to the wire of the second metal in parallel junctions. Another temperature detector includes a plurality of resistance temperature detectors. The plurality of resistance temperature detectors are connected at a plurality of junctions. A method of detecting a temperature change of a component of a turbine includes providing a temperature detector include ing a first metal and a second metal different from the first metal connected to each other at a plurality of junctions in contact with the component; and detecting any voltage change at any junction.
Lacy; Benjamin (Greenville, SC), Kraemer; Gilbert (Greer, SC), Stevenson; Christian (Greenville, SC)
General Electric Company (Schenectady, NY)
12/ 568,348
September 28, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in this invention.