Integrally damped composite aircraft floor panels
US11052987B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Feb 8, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/40
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sound-damping panel. The sound-damping panel includes a first face sheet. The sound-damping panel also includes a core connected to the first face sheet. The core has a honeycomb structure. Walls of the honeycomb structure are embedded with a viscoelastic material configured to dampen sound in a pre-selected frequency range. The sound-damping panel also includes a second face sheet connected to the core, the second face sheet opposite the first face sheet relative to the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.