Aeronautics and astronautics – Aircraft structure
Reexamination Certificate
2004-12-20
2008-08-12
Collins, Timothy D. (Department: 3643)
Aeronautics and astronautics
Aircraft structure
C244S119000
Reexamination Certificate
active
07410126
ABSTRACT:
A tunable acoustic absorption system according to the present invention includes an airframe batting area; a primary soundproofing blanket area; an interior trim panel area; and a hard trim area, which are layered over an aircraft outer skin. Specifically tailoring or “tuning” materials within each area to the particular aircraft acoustic signature achieves significant increases in acoustic absorption achieved over conventional generic sound treatments.
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Carlson & Gaskey & Olds
Collins Timothy D.
Sikorsky Aircraft Corporation
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