| 摘要 |
<p>The invention relates to a thin acoustic protection device (1) intended to be installed against a wall of an electric motor casing for a motor vehicle, said device being in the form of a complex comprising: a layer of compressible foam (2) comprising a first (3) and a second (4) face, each having an adhesive, said layer having a thickness in the range of 0.5 to 2 mm, a heavy layer (5) made of an elastomer material with an area density in the range of 3.5 to 7 kg/m2 and with a thickness in the range of 2 to 4 mm, said layer being associated with said first face.</p> |
