Noise insulation structure
    2.
    发明授权
    Noise insulation structure 失效
    隔音结构

    公开(公告)号:US06685250B2

    公开(公告)日:2004-02-03

    申请号:US10261384

    申请日:2002-09-30

    IPC分类号: B62D3300

    摘要: A vehicle floor structure having a noise insulation structure with a two-way freedom system is provided. The two-way freedom system noise insulation structure is comprised of a lower mass layer and a urethane layer beneath the same, and an upper mass layer and a low resilient material layer beneath the same and made of fibrous material layer or low resilient urethane layer.

    摘要翻译: 提供具有双向自由度系统的隔音结构的车辆地板结构。 双向自由度系统噪声隔离结构由下层质量层和下面的氨基甲酸酯层组成,上层质量层和低弹性材料层由纤维材料层或低弹性聚氨酯层构成。