Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate
2008-01-07
2011-12-20
Luks, Jeremy (Department: 2832)
Acoustics
Sound-modifying means
Sound absorbing panels
Reexamination Certificate
active
08079443
ABSTRACT:
A trim panel for an aircraft interior includes a first sound attenuating layer, a structural layer and a second sound attenuating layer. The structural layer is coupled to the exterior sound attenuating layer, and has an exterior side and an opposite interior side. The structural layer defines a plurality of passages that open to both the exterior side and the interior side so as to minimize radiation of noise due to a hydrodynamic shortcut created by each of the passages across the structural layer. The second sound attenuating layer is coupled to the structural layer and has a high sound absorption characteristic. The second sound attenuating layer is configured to be disposed adjacent to the aircraft interior.
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Bockhop Bryan W.
Bockhop & Associates LLC
Luks Jeremy
Pelzer Acoustic Products GmbH
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