Air inlet noise attenuation assembly
US9194293B2 · kind B2 · utility
3Cited by
46References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 2007 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Oct 4, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/963
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An air inlet assembly comprising an entrance region configured to receive an airflow, an exit region configured to output the airflow, and an attenuation region disposed between the entrance region and the exit region. The attenuation region has a cross section aspect ratio of at least about 5-to-1, and comprises acoustic absorbing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.