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    • 7. 发明专利
    • Rotational torque detecting device
    • 旋转扭矩检测装置
    • JP2010112817A
    • 2010-05-20
    • JP2008285126
    • 2008-11-06
    • Panasonic Corpパナソニック株式会社
    • HIROSE MUNETO
    • G01L3/10B62D5/00
    • PROBLEM TO BE SOLVED: To provide a rotational torque detecting device capable of precisely and surely detecting a rotational torque, the rotational torque detecting device being used for mainly detecting a rotational torque of a steering of a vehicle. SOLUTION: A first magnetic material 15 is fixed to a first rotational body 11 rotating in association with a steering and a second magnetic material 16 is fixed to a second rotational body 12. A magnet 18 is rotatably and elastically contacted with the first magnetic material 15 and the second magnetic material 16. An intensity or orientation of magnetism of the magnet 18 that rotates in association with rotation of the first rotational body 11 is detected by a magnetism detection element 21 via the first magnetic material 15 and the second magnetic material 16 so as to detect the rotational torque. Accordingly, it is possible to achieve the rotational torque detecting device that can detect a precise and accurate rotational torque with less detection error. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种能够精确且可靠地检测转矩的旋转力矩检测装置,该转矩检测装置主要用于检测车辆转向的转矩。 解决方案:第一磁性材料15固定到与转向相关联地旋转的第一旋转体11,并且第二磁性材料16固定到第二旋转体12.磁体18可旋转地弹性地接触第一旋转体11。 磁性材料15和第二磁性材料16.通过第一磁性材料15和第二磁性体15的磁性检测元件21检测与第一旋转体11的旋转相关联地旋转的磁体18的磁性的强度或取向 材料16,以便检测旋转扭矩。 因此,可以实现能够以更少的检测误差检测精确且精确的转矩的旋转力矩检测装置。 版权所有(C)2010,JPO&INPIT