Lofty thermoset felt for noise attenuation
US11198402B2 · kind B2 · utility
0Cited by
10References
18Claims
0Family size
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Key dates
| Filing date | Jan 19, 2017 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Jun 23, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/162
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Sound absorbing liner for the engine bay of a vehicle comprising at least one fibrous layer consisting of fibers and a thermoset binder thermally moulded to form the liner characterised in that the fibers comprises thermoplastic side by side bicomponent fibers and wherein the sides differ such that the fiber has a frizzy or curved shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.