Reduced coking of fuel nozzles
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United States of America Patent
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-
Jan 17, 1989
Grant Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Feb 14, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Coking of the hot external face of fuel nozzles operating in the combustor of a gas turbine engine is reduced by controlling air discharging from the nozzle face in a manner to provide a recirculation zone spaced away from the nozzle face a distance effective to substantially reduce coking and yet maintain a stable flame front in the combustor.
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