Tunable acoustic absorption system for an aircraft cabin

Details Tunable acoustic absorption system for an aircraft cabin Tunable acoustic absorption system for an aircraft cabin

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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