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    • 35. 发明授权
    • Sensor system for ascertaining a torque and for index detection
    • 用于确定扭矩和索引检测的传感器系统
    • US08490499B2
    • 2013-07-23
    • US12927571
    • 2010-11-17
    • Holger Behrens
    • Holger Behrens
    • G01L3/02
    • G01L3/104B62D6/10B62D15/0245
    • A torque sensor system having an index function and ascertaining a torque between an input shaft and an output shaft connected to each other via a torsion bar, includes: a magnetic unit having a magnetic pole wheel for generating a magnetic field, the magnetic unit being rigidly connected to one of the two shafts; a flux ring unit having a flux ring system for converting and conducting the magnetic flux generated by the magnetic unit, the flux ring unit being rigidly connected to the other shaft; and a sensor unit having at least one first magnetic field-sensitive sensor element for sensing changes in the magnetic flux through the flux ring system, the sensor unit being mounted in a stationary manner relative to the flux ring unit. The index function is implemented with the aid of an index magnet and a further magnetic field-sensitive sensor element.
    • 一种扭矩传感器系统,具有指标功能,并通过扭杆确定输入轴与输出轴之间的转矩,包括:具有用于产生磁场的磁极轮的磁性单元,磁性单元刚性地 连接到两个轴之一; 具有用于转换和传导由磁性单元产生的磁通的磁通环系的磁通环单元,所述磁通环单元刚性地连接到另一个轴; 以及传感器单元,其具有至少一个第一磁场敏感传感器元件,用于感测通过所述磁通环系统的磁通量的变化,所述传感器单元相对于所述磁通环单元以固定的方式安装。 索引函数借助于索引磁体和另外的磁场敏感传感器元件来实现。