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    • 1. 发明申请
    • HOOD LIFT MECHANISMS UTILIZING ACTIVE MATERIALS AND METHODS OF USE
    • 使用活性材料的HOOD提升机制及其使用方法
    • WO2006017487A2
    • 2006-02-16
    • PCT/US2005027391
    • 2005-08-01
    • GEN MOTORS CORPUNIV MICHIGAN
    • BREI DIANNREDMOND JOHNWILMOT NATHAN ABROWNE ALAN LJOHNSON NANCY LJONES GARY L
    • B60R25/10
    • E05B77/08B60R21/38C08L2201/12E05B47/0009E05F15/60E05F15/72E05Y2201/43E05Y2800/67E05Y2900/536
    • A hood lift mechanism for reversibly increasing the energy absorption capability at appropriate force levels of a vehicle hood includes a vehicle hood; an active material in operative communication with the vehicle hood, wherein the active material comprises a shape memory alloy, a ferromagnetic shape memory alloy, a shape memory polymer, a magnetorheological fluid, an electroactive polymer, a magnetorheological elastomer, an electrorheological fluid, a piezoelectric material, an ionic polymer metal composite, or combinations comprising at least one of the foregoing active materials; and an activation device in operative communication with the active material, wherein the activation device is operable to selectively apply an activation signal to the active material and effect a reversible change in a property of the active material, wherein the reversible change results in an increased clearance distance between the vehicle hood and an underlying component.
    • 一种用于在适当的车辆罩的能级可逆地增加能量吸收能力的罩提升机构包括车罩; 活动材料,其与所述车辆罩相连动地进行操作,其中所述活性材料包括形状记忆合金,铁磁形状记忆合金,形状记忆聚合物,磁流变流体,电活性聚合物,磁流变弹性体,电流变流体,压电 材料,离子聚合物金属复合材料或包含至少一种前述活性材料的组合; 以及与所述活性材料可操作地连通的激活装置,其中所述激活装置可操作以选择性地将活化信号施加到所述活性材料并且实现所述活性材料的性质的可逆变化,其中所述可逆变化导致增加的间隙 车辆罩与底层部件之间的距离。