Acoustic liner and methods of constructing an acoustic liner
US10971128B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2015 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | Dec 28, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An acoustic liner (20) with perforation (30) and method of constructing (100) an acoustic liner including forming perforations in the facing sheet by grit blasting (104) the facing sheet and mounting (106) the facing sheet to one side of a support layer having a set of partitioned cavities wherein the facing sheet closes an open face of the cavities except for the perforations to form a set of acoustic resonator cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.