Pilot fuel injector for mixer assembly of a high pressure gas turbine engine
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United States of America Patent
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Feb 1, 2011
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N/A
app pub date -
Dec 20, 2005
filing date -
Dec 20, 2005
priority date (Note) -
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Abstract
A mixer assembly for a gas turbine engine, including: a primary fuel injector having a central axis for injecting a primary fuel spray into a primary air stream, wherein fuel is provided at a desired rate and droplets of the fuel spray are within a desired size range; a secondary fuel injector positioned radially outwardly of the primary fuel injector for injecting a secondary fuel spray into a secondary air stream spaced radially outwardly of and surrounding the primary air stream; and, a primary air jet positioned between the primary fuel injector and the secondary fuel injector to direct a portion of an incoming air stream between the primary air stream and the secondary air stream.
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