A battery cover to be disposed in an engine room includes a cover wall configured to cover a side surface of a battery. A sound absorbing surface is provided on the cover wall. The sound absorbing surface includes a first sound absorbing layer and a second sound absorbing layer that are stacked in a thickness direction. The first sound absorbing layer is made of a first sound absorbing material for a first frequency band. The second sound absorbing layer is made of a second sound absorbing material for a second frequency band lower than the first frequency band.
BATTERY COVER
06.03.2025
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
BATTERY COVER, PRECURSOR OF BATTERY COVER AND METHOD FOR ASSEMBLING BATTERY COVER
Europäisches Patentamt | 2023
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