It is described a metamaterial sound insulation device, with improved efficiency in dampening sound transmission across it compared to a traditional sound insulation device having comparable size and weight. The device is especially adapted for sound insulation in the automotive field.
METAMATERIAL SOUND INSULATION DEVICE
2023-03-09
Patent
Electronic Resource
English
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
Acoustic metamaterial sound insulation mechanism and sound insulation cover thereof
European Patent Office | 2024
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