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    • 30. 发明授权
    • Method for continuously determining the tensile force F in a cable of a parking brake
    • 用于连续地确定驻车制动器的电缆中的拉力F的方法
    • US07994779B2
    • 2011-08-09
    • US12161782
    • 2007-01-12
    • Johannes AnteJuergen Ehret
    • Johannes AnteJuergen Ehret
    • G01R33/18
    • G01L5/103
    • Presented is a method for continuously determining the tensile force F in a cable of a parking brake that includes transmitting the tensile force F to a cable grommet coupled to a first end of an expandable intermediate part that includes a magnet and/or a magnetic sensor. The first end of the expandable intermediate part faces away from a drive spindle coupled to a second end of the expandable intermediate part. The method further includes changing the length of the expandable intermediate part in the direction of its longitudinal axis in response to the transmitted tensile force F, moving the magnet and the magnetic sensor relative to each other in response to the change in length, changing the signal voltage of the magnetic sensor in response to the relative movement between the magnet and the magnetic sensor, and determining the tensile force F from the respective signal voltage.
    • 提出了一种用于连续地确定驻车制动器的电缆中的拉力F的方法,其包括将拉力F传递到联接到包括磁体和/或磁传感器的可扩展中间部分的第一端的电缆索环。 可扩展中间部分的第一端面远离联接到可扩展中间部分的第二端的驱动轴。 该方法还包括响应于传递的拉力F,沿着其纵向轴线的方向改变可扩展中间部分的长度,使磁体和磁传感器相对于彼此相对于长度的变化而移动,改变信号 响应于磁体和磁性传感器之间的相对运动,并根据相应的信号电压确定拉伸力F,磁传感器的电压。