High area ratio, variable entrance geometry compressor diffuser
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United States of America Patent
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-
Mar 4, 1986
Issued Date -
N/A
app pub date -
Feb 6, 1984
filing date -
Nov 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Aerodynamically tapered spike is positioned for controlled axial movement in the conical portion of a composite gas turbine engine diffuser controlling engine air mass flow rate by adjusting diffuser area ratio. Also, a straight pipe transition diffuser portion is positioned between the conical portion and a flat plate diffuser portion to flatten the velocity profile.
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