Micro-perforated acoustic liner

Details Micro-perforated acoustic liner Micro-perforated acoustic liner

2006-05-26

2009-06-02

Donels, Jeffrey (Department: 2837)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S286000, C181S296000, C428S116000

Reexamination Certificate

active

07540354

ABSTRACT:
An example liner assembly includes a backing plate that supports a cellular structure covered by a perforated face sheet including a plurality of openings. Each of the plurality of openings is of a size determined to provide desired acoustic performance.

REFERENCES:
patent: 4850093 (1989-07-01), Parente
patent: 5041323 (1991-08-01), Rose et al.
patent: 5912442 (1999-06-01), Nye et al.
patent: 6358590 (2002-03-01), Blair et al.
patent: 6609592 (2003-08-01), Wilson
patent: 6827180 (2004-12-01), Wilson

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