Noise suppression louver having horizontal and vertical slats
US6273213A · kind A · utility
7Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1999 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Dec 17, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A noise suppression louver for an enclosure, in particular, an apparatus for suppressing sound at the openings which allow air to enter or exit an internal combustion engine enclosure. The louver comprises a matrix of intersecting horizontal and vertical passive sound absorptive slats.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.