AIRCRAFT PROPULSION SYSTEM ASSEMBLY INCLUDING ONE OR MORE ACOUSTIC PANELS
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United States of America Patent
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Issued Date -
Nov 7, 2019
app pub date -
May 2, 2018
filing date -
May 2, 2018
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Abstract
An assembly is provided for an aircraft propulsion system. This assembly includes a first acoustic panel and a second acoustic panel. The first acoustic panel includes a first perforated skin, a first non-perforated skin and a first cellular core arranged between and connected to the first perforated skin and the first non-perforated skin. The first perforated skin is configured with a plurality of first perforations. A first of the first perforations has a first width. A second acoustic panel includes a second perforated skin, a second non-perforated skin and a second cellular core arranged between and connected to the second perforated skin and the second non-perforated skin. The second perforated skin is configured with a plurality of second perforations. A first of the second perforations has a second width that is smaller than the first width.
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