Acoustically attenuating sandwich panel constructions
US9290274B2 · kind B2 · utility
19Cited by
40References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2014 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jun 2, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/96
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aircraft engine assembly comprising a nacelle configured to surround the aircraft engine having an inlet open to ambient air and an annular acoustic panel provided within the nacelle. Sound emitted from the aircraft engine is attenuated by the annular acoustic panel. The annular acoustic panel comprises an open framework, made from a first material, forming a plurality of cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.