Acoustic panel with corrugated baffles and septums
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United States of America Patent
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Jul 11, 2017
Grant Date -
N/A
app pub date -
Apr 15, 2016
filing date -
Apr 15, 2016
priority date (Note) -
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Abstract
A panel for attenuating noise includes a core, which forms a plurality of cavities vertically between a perforated first skin and a second skin. The core includes an array of corrugations that include a first baffle, a second baffle and a first septum. The cavities include a first cavity that is formed longitudinally between the first baffle and the second baffle and is fluidly coupled with perforations in the first skin. The first septum extends from the first skin and the first baffle to the second skin and the second baffle, and divides the first cavity into fluidly coupled sub-cavities. The first baffle includes a lateral array of baffle ribs. The first septum includes a lateral array of septum ribs that are laterally offset from the baffle ribs.
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