Acoustic structure with increased bandwidth suppression
US8857566B2 · kind B2 · utility
3Cited by
9References
20Claims
0Family size
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Inventor
Key dates
| Filing date | Jan 17, 2014 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jan 17, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The bandwidth or acoustical range of a nacelle or other type of acoustic structure is increased by acoustically coupling honeycomb cells together to form pairs of acoustic cells that have an effective acoustic or resonator length that is up to twice that of either acoustic cell taken alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.