发明名称 |
AIRBORNE-SOUND-ABSORBING ENGINE COMPARTMENT COVERING FOR MOTOR VEHICLES, IN PARTICULAR BONNET COVERING |
摘要 |
<p>An airborne sound-absorbing engine compartment lining for motor vehicles comprises an open-cell, air-permeable foam material layer made from plastic and having a front side and a rear side. The foam material layer is provided on its rear side with a fiber layer made from mineral fibers, the foam material layer having a thickness of less than 6 mm and a specific flow resistivity in the range from about 100 to 1,200 Ns/m<SUP>3</SUP>. The fiber layer has a thickness of more than 6 mm and a mass per unit area of less than 800 g/m<SUP>2</SUP>.</p> |
申请公布号 |
EP2026993(B1) |
申请公布日期 |
2010.09.29 |
申请号 |
EP20070729678 |
申请日期 |
2007.05.30 |
申请人 |
CARCOUSTICS TECHCONSULT GMBH |
发明人 |
EBBITT, GORDON;CARLSON, LARRY |
分类号 |
B60R13/08;B62D25/12;G10K11/168 |
主分类号 |
B60R13/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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