Convergent divergent nozzle with interlocking divergent flaps
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United States of America Patent
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Dec 1, 2009
Grant Date -
Oct 11, 2007
app pub date -
Sep 20, 2005
filing date -
Sep 20, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A nozzle system includes a multitude of circumferentially distributed convergent flaps, divergent flaps and inter-flap seals which circumscribe an engine centerline and define the radial outer boundary of an exhaust gas path. Each divergent flap includes longitudinal sides having a set of extension which are located at different longitudinal stations such that the extensions on adjacent divergent flaps interfit when the nozzle is in a minimum dilated position yet provide support for the intermediate flap seal when the nozzle is in a maximum dilated position to thereby provide a relative increase in the nozzle area ratio range.
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