S-shaped jet engine inlet diffuser
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United States of America Patent
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-
Feb 5, 1991
Issued Date -
N/A
app pub date -
Oct 13, 1989
filing date -
Apr 7, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A horizontal inlet section of a jet engine diffuser extends to a transitional curved section which, in turn, extends to a horizontal outlet section offset from the horizontal inlet section to shield observation of infrared and microwave signals from a downstream jet engine. A vane between the inlet and transitional curved sections further shields the observable signals and deflects inlet airflow against the interior wall of the diffuser for minimizing separation of boundary layer airflow from the wall. A backward facing slot is formed in the wall transversely adjacent the vane for effecting low energy boundary airflow to further minimize boundary layer airflow separation.
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