Apparatus for observing combustion conditions in a gas turbine engine
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United States of America Patent
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Feb 3, 2009
Grant Date -
Jan 5, 2006
app pub date -
Aug 23, 2005
filing date -
May 7, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A fuel injector for a gas turbine combustor is disclosed which includes a feed arm having a flange for mounting the injector within the combustor and a fuel nozzle depending from the feed arm for injecting fuel into the combustor for combustion. An optical sensor array is operatively associated with the fuel nozzle for observing combustor flame characteristics. The optical sensor array includes a plurality of sapphire rods positioned to be close enough to the combustor flame to oxidize soot deposits thereon.
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