Structural single degree of freedom acoustic liner
US11674475B2 · kind B2 · utility
1Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2019 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Oct 15, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present disclosure provides a co-bonded acoustic liner, including a honeycomb core with cells therein, a thermoset-based plastic septa material co-bonded to a top face of the honeycomb core; a facesheet with perforations to enable airflow, co-bonded to the thermoset-based plastic septa material; and an optional backside skin positioned under the honeycomb core, co-bonded to the bottom face of the honeycomb core, wherein the liner supports a single degree of freedom acoustic structure. The disclosure further provides methods of preparing and using such co-bonded acoustic liners.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.