Acoustic treatment panel comprising a porous acoustically resistive structure comprising connecting canals
US11027817B2 · kind B2 · utility
3Cited by
2References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Sep 21, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An acoustic treatment panel including a porous acoustically resistive structure which includes at least one external layer which is in contact with the external environment and which has through holes, internal strips including several openings which communicate with the inside of the cells of the panel and connecting canals, interposed between the external layer and the internal strips, which ensure that the floor-section openings communicate with at least one through hole of the external layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.