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公开(公告)号：US07370541B2
公开(公告)日：2008-05-13
申请号：US11290557
申请日：2005-12-01
申请人： Yoshitomo Tokumoto , Shunsuke Nakaura , Ken Fukuda
发明人： Yoshitomo Tokumoto , Shunsuke Nakaura , Ken Fukuda
IPC分类号： G01L3/10
摘要： A torque detecting apparatus detects torque applied upon a torsion bar of an electric power steering apparatus, as two sensors, which have ratiometric characteristics and have the same characteristics, simultaneously detect the amount of torsion of the torsion bar. With a gain of one of the two sensors set to the positive polarity and a gain of the other sensor set to the negative polarity, a control circuit calculates the torque applied upon the torsion bar by multiplying a difference between detection outputs from the two sensors by a predetermined coefficient. A torque detecting apparatus which is capable of detecting the torsional angle of a rotation shaft, namely, torque applied upon the rotation shaft easily and accurately using two sensors is thus realized.
摘要翻译： 扭矩检测装置检测施加在电动助力转向装置的扭杆上的扭矩，作为具有比例特性并具有相同特性的两个传感器同时检测扭杆的扭转量。 通过设置为正极性的两个传感器之一的增益和设置为负极性的另一个传感器的增益，控制电路通过将来自两个传感器的检测输出之间的差乘以扭矩条来计算扭矩 预定系数。 因此，可以实现能够使用两个传感器容易且准确地检测旋转轴的扭转角度即施加在旋转轴上的扭矩的扭矩检测装置。
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公开(公告)号：US5497667A
公开(公告)日：1996-03-12
申请号：US408998
申请日：1995-03-23
申请人： Shunsuke Nakaura
发明人： Shunsuke Nakaura
摘要： A torque detecting apparatus which includes two detection systems, each formed with a switching element, a sample hold circuit and an output circuit, to be alternately operated, thereby successively outputting, as a signal, torque detected by a torque detecting coil.
摘要翻译： 一种扭矩检测装置，包括两个检测系统，每个检测系统分别形成有开关元件，采样保持电路和输出电路，以交替地操作，由此连续地输出由转矩检测线圈检测的转矩。
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公开(公告)号：US20060117870A1
公开(公告)日：2006-06-08
申请号：US11290557
申请日：2005-12-01
申请人： Yoshitomo Tokumoto , Shunsuke Nakaura , Ken Fukuda
发明人： Yoshitomo Tokumoto , Shunsuke Nakaura , Ken Fukuda
IPC分类号： G01L3/10
摘要： A torque detecting apparatus detects torque applied upon a torsion bar of an electric power steering apparatus, as two sensors, which have ratiometric characteristics and have the same characteristics, simultaneously detect the amount of torsion of the torsion bar. With a gain of one of the two sensors set to the positive polarity and a gain of the other sensor set to the negative polarity, a control circuit calculates the torque applied upon the torsion bar by multiplying a difference between detection outputs from the two sensors by a predetermined coefficient. A torque detecting apparatus which is capable of detecting the torsional angle of a rotation shaft, namely, torque applied upon the rotation shaft easily and accurately using two sensors is thus realized.
摘要翻译： 扭矩检测装置检测施加在电动助力转向装置的扭杆上的扭矩，作为具有比例特性并具有相同特性的两个传感器同时检测扭杆的扭转量。 通过设置为正极性的两个传感器之一的增益和设置为负极性的另一个传感器的增益，控制电路通过将来自两个传感器的检测输出之间的差乘以扭矩条来计算扭矩 预定系数。 因此，可以实现能够使用两个传感器容易且准确地检测旋转轴的扭转角度即施加在旋转轴上的扭矩的扭矩检测装置。
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公开(公告)号：US06538546B2
公开(公告)日：2003-03-25
申请号：US09893410
申请日：2001-06-29
申请人： Yoichi Serino , Masayuki Yamamoto , Masaki Sugiyama , Hideaki Tsuchiya , Masakazu Moriyama , Shunsuke Nakaura , Norio Nakatani , Takahiro Sanada , Hidenobu Nagano
发明人： Yoichi Serino , Masayuki Yamamoto , Masaki Sugiyama , Hideaki Tsuchiya , Masakazu Moriyama , Shunsuke Nakaura , Norio Nakatani , Takahiro Sanada , Hidenobu Nagano
IPC分类号： H01F2702
CPC分类号： G01L5/221 , G01L3/104 , G01L3/105 , H01F27/022 , H01F27/245 , H01F27/327
摘要： In a magnetic core for a non-contact displacement sensor comprising a detecting coil, a coil receiving member and a terminal, the coil receiving member is comprised of a green compact made of insulated soft magnetic powder and an insulating layer covering the green compact, and an organic resin is filled in a closed space of the coil receiving member.
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