Closed trapped vortex cavity pilot for a gas turbine engine augmentor
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United States of America Patent
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Jul 7, 2020
Grant Date -
Oct 5, 2017
app pub date -
Mar 30, 2016
filing date -
Mar 30, 2016
priority date (Note) -
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Abstract
A closed trapped vortex apparatus includes: a tubular structure having a structural wall, the structural wall forming a cavity within the tubular structure, the structural wall having a lower boundary wall forming a boundary between the cavity and a core flow passage; at least one driver hole passing through the structural wall; an ignition source communicating with the cavity; a fuel source communicating with the cavity; and a plurality of flame tubes extending through the lower boundary wall of the tubular structure at preselected locations so as to provide communication between the cavity and the core flow passage.
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