Acoustically diffusive auxilary power unit inlet doors
US9630723B2 · kind B2 · utility
0Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2015 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Jul 9, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D2033/0213
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inlet door for an auxiliary power unit includes a door body with opposed interior and exterior surfaces. The interior surface of the inlet door is curved to diffuse sound waves received by the interior surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.