Acoustic liner for attenuating noise
US4296831A · kind A · utility
14Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1980 |
| Grant date | Oct 27, 1981 |
| Priority date | — |
| Expiry date | Apr 17, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/172
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An acoustic liner for attenuating noise comprises a backing face and a perforated facing sheet arranged over and spaced from the backing face, the perforated facing sheet being on non-uniform thickness in the direction of noise propagation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.