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    SEAT FOR A VEHICLE PROVIDING A TEMPERATURE-STABLE, RATE-SENSITIVE SUPPORT
    2.
    发明申请
    SEAT FOR A VEHICLE PROVIDING A TEMPERATURE-STABLE, RATE-SENSITIVE SUPPORT 审中-公开

    公开(公告)号：US20200148080A1

    公开(公告)日：2020-05-14

    申请号：US16184088

    申请日：2018-11-08

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Edward T. Kuczynski ,  Daniel W. Booth

    IPC分类号： B60N2/42 ,  A47C7/20 ,  B60N2/70

    摘要： A vehicle seat for a vehicle. The vehicle seat includes a first foam and a second foam. The first foam has a rate sensitivity as measured in accordance with a modified ISO 3886/1 standard which can accommodate a slow speed test with a static strain rate of about 0.001 second−1 and a high speed test with a dynamic strain rate of about 100 second−1 such that the dynamic versus static strain rate increases by at least 200%, and the first foam is temperature stable such that the glass transition temperature of the first foam is less than or equal to zero degrees Celsius and a change in tan delta of less than or equal to 35% from a median value measured over a temperature range of from about negative 20 degrees Celsius to about 60 degrees Celsius.