Noise attenuation in an engine nacelle
US11879395B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2022 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Apr 25, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/963
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Certain aspects of the present disclosure provide a nacelle for an engine, including a plurality of acoustic fairing assemblies disposed within an aft fan duct of the nacelle, wherein each acoustic fairing assembly of the plurality of acoustic fairing assemblies comprises: a fairing body comprising a plurality of acoustic cells; and a fairing face sheet comprising a plurality of perforations and configured to be attached to the fairing body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.