Assembly for reducing noise in turbofan engines
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United States of America Patent
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Oct 26, 2010
Grant Date -
Dec 18, 2008
app pub date -
Jan 20, 2005
filing date -
Mar 17, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An assembly is provided for reducing the noise that is generated in the heating gas zone by turbofan engines. The assembly consists of an acoustically absorbent cladding in the heating gas flow channel of the turbofan engine. The cladding includes a plurality of neighboring cavities, into each of which four horns extends. The mouths of the horns are fixed to a perforated cover sheet. The cover sheet forms one wall of the heating gas flow channel.
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