A dash silencer has a lamination structure of a first layer, an intermediate layer, and a second layer. The intermediate layer is formed as a non-air permeable thin-membrane layer. The second layer is formed as a perforated layer having a plurality of opening portions.
Soundproof body for motor vehicles and silencer for motor vehicles
2017-04-11
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
SOUNDPROOF BODY FOR MOTOR VEHICLES AND SILENCER FOR MOTOR VEHICLES
European Patent Office | 2016
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