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    • 1. 发明授权
    • Device having pyrotechnically adjustable rigidity for absorbing crash energy and method for adjusting the rigidity
    • 具有用于吸收碰撞能量的具有烟火可调刚度的装置和用于调节刚度的方法
    • US08762008B2
    • 2014-06-24
    • US13454885
    • 2012-04-24
    • Reiner MarchthalerThomas FriedrichAchim Moritz
    • Reiner MarchthalerThomas FriedrichAchim Moritz
    • B60R22/00
    • B60R19/34F16F7/125
    • A device having an adjustable rigidity for absorbing crash energy, includes: a housing for accommodating and deforming a deformation element when the deformation element is moved in a forward motion direction due to the crash energy; a disengageable die situated in the housing for accommodating and deforming the deformation element; a supporting device situated in the housing and configured to support, in a first position, the disengageable die against a radial force of the deformation element acting in a transverse direction to the forward motion direction, and (ii) release, in a second position, the disengageable die for a motion for disengagement due to the radial force; and a pyrotechnic actuator moving the supporting device from the first position into the second position, to adjust the rigidity of the device.
    • 具有用于吸收碰撞能量的刚性可调的装置包括:当变形元件由于碰撞能量沿向前运动方向移动时,用于容纳和变形变形元件的壳体; 位于所述壳体中的用于容纳和变形所述变形元件的可脱开模具; 支撑装置,位于所述壳体中并且构造成在第一位置中支撑所述可脱离模具抵抗所述变形元件在朝向所述向前运动方向的横向方向上作用的径向力,以及(ii)在第二位置, 用于由于径向力而分离的运动的可脱开模具; 以及将支撑装置从第一位置移动到第二位置的烟火执行器,以调节装置的刚性。