Acoustic baffle assembly
US7913814B2 · kind B2 · utility
5Cited by
23References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2009 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Mar 6, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24008
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expansion of the mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.