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    • 5. 发明授权
    • Engine rotation information detection device
    • 发动机旋转信息检测装置
    • US07032440B2
    • 2006-04-25
    • US11006104
    • 2004-12-07
    • Kazuyoshi KishibataYuichi KitagawaHiroyasu Sato
    • Kazuyoshi KishibataYuichi KitagawaHiroyasu Sato
    • G01M15/00
    • F02D41/009G01D5/2013G01D5/2457G01P3/488G01P3/489
    • An engine rotation information detection device including: a generator that rotates in synchronization with an engine to output an AC voltage; a pulse signal generator that detects reluctors of a rotor having many reluctors and one reluctor missing portion to generate a pulse; counting means that counts the number of detections of a zero point of a waveform of the AC voltage in each detection section, the detection section being a section between a crank angle position where the pulse signal generator detects an edge of each reluctor and a crank angle position where the pulse signal generator detects a next reluctor; and reference crank angle position identification means that specifies a detection section including the reluctor missing portion from a count value counted by the counting means and identifies a pulse generated at a reference crank angle position based on the specified detection section.
    • 一种发动机旋转信息检测装置,包括:与发动机同步旋转的发电机,输出交流电压; 脉冲信号发生器,其检测具有多个重新排列的转子和一个反射器缺失部分的转子,以产生脉冲; 计数装置对每个检测部分中的交流电压波形的零点的检测次数进行计数,检测部分是脉冲信号发生器检测到每个反相器的边缘的曲柄角位置与曲轴角度 脉冲信号发生器检测到下一个反相器的位置; 以及参考曲柄角位置识别装置,其从由计数装置计数的计数值中指定包括所述去磁头缺失部分的检测部分,并且基于所述指定的检测部分识别在基准曲柄角位置产生的脉冲。