Acoustic attenuation panel for a turbojet engine nacelle
US10634059B2 · kind B2 · utility
7Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2017 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Mar 3, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An acoustic attenuation panel for a turbojet engine nacelle is provided by the present disclosure. The panel includes at least one alveolar core disposed between at least one internal skin and at least one external skin. In one form, the alveolar core includes a plurality of alveoli having a helical-shaped cavity along an axis in a direction normal to at least one internal skin and at least one external skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.