Tunable acoustic absorption system for an aircraft cabin
US7410126B2 · kind B2 · utility
4Cited by
31References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2004 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Jan 9, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C1/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.