Soundproofing panel, in particular structural or lining panel for a rotorcraft
US6851515B2 · kind B2 · utility
15Cited by
6References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 18, 2001 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Jan 8, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention concerns a sound-proofing panel, in particular a rotorcraft structural or lining panel: the sound-proofing panel (1) comprises at least two opposite plates (2, 3, 5, 6) forming between them a closed internal space (4), and an aggregate (7) including at least solid elements (8) in contact and which fills entirely said internal space (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.