One-piece engine inlet acoustic barrel
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United States of America Patent
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-
Dec 3, 1996
Issued Date -
N/A
app pub date -
May 18, 1995
filing date -
Dec 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acoustic liner jet engine inlet barrel is formed from a perforated permeable skin, a honeycomb core, and a solid facesheet, each of which is formed in a one-piece configuration such that at most only a narrow single fore-to-aft splice, or no splice at all, is present in the finished product. The acoustic modal content remains unaffected, thus preserving a high degree of liner effectiveness, increasing the total active acoustic area of the barrel while decreasing its weight, and increasing its durability.
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