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    • 12. 发明授权
    • FESTSTELLBREMSE UND VERFAHREN ZUM BETREIBEN DERSELBEN
    • EP2214944B1
    • 2011-08-31
    • EP08842914.7
    • 2008-10-23
    • Continental Teves AG & Co. oHG
    • MARON, ChristofSCHUMANN, MarcusATTALLAH, FaouziSCHNEIDER, Heinz-Anton
    • B60T13/74B60T17/22
    • B60T13/588B60T13/746B60T17/221
    • The invention relates to a parking brake with an actuator (5), wherein the actuator (5) is driven by a d.c. motor (28), which can be operated in two directions and moves at least one brake jaw for applying or releasing the parking brake in the direction of or away from a rotating element over a self-locking transmission (24) of the actuator (5). Furthermore, a control unit (10) is provided for controlling or regulating the movement of the d.c. motor. The parking brake is constructed in such a manner that, when it is applied or released, usually a guide point of the brake shoe at the rotating element is exceeded. In order to be able to increase the accuracy and reliability of adjusting the force for applying the parking brake or the air space when releasing the parking brake, the control unit (10) determines the guide point by forming the first derivative with respect to time of the electric current, taken up by the d.c. motor when the parking brake is applied. In addition, an appropriate method for operating such a parking brake is described.
    • 本发明涉及一种具有致动器(5)的驻车制动器,其中致动器(5)由直流电机驱动。 电动机28可以在两个方向上操作并且移动至少一个制动钳,用于通过致动器5的自锁传动装置24在朝向或远离旋转元件的方向上施加或释放驻车制动器, )。 此外,提供控制单元(10),用于控制或调节直流电机的运动。 发动机。 驻车制动器以这样的方式构造,即,当它被施加或释放时,通常超过在旋转元件处的制动蹄的引导点。 为了在释放驻车制动器时能够提高调节用于施加驻车制动器或空气空间的力的准确性和可靠性,控制单元(10)通过形成关于时间的一阶导数来确定导向点 电流,由直流电占用 当停车制动器被应用时电机。 另外,描述用于操作这种停车制动器的适当方法。