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    • 3. 发明授权
    • Ignition system for internal combustion engines
    • 内燃机点火系统
    • US4638785A
    • 1987-01-27
    • US827167
    • 1986-02-07
    • Takeshi MatsuiShunichi TakedaTomoatsu Makino
    • Takeshi MatsuiShunichi TakedaTomoatsu Makino
    • F02P3/045F02P3/05F02P5/08
    • F02P3/0453
    • An ignition system for an internal combustion engine is disclosed. The ignition system includes a timing signal detector responsive to the rotation speed of an engine to generate a pulse signal including a leading edge and a trailing edge corresponding to the ignition timing and having a predetermined duty cycle, a triangular wave generator for generating a triangular wave voltage synchronized with the trailing edge of the pulse signal, a voltage storing circuit for storing the voltage level of the triangular wave voltage in synchronism with the leading edge of the pulse signal, a voltage divider for dividing the stored voltage in the voltage storing circuit to generate a reference voltage, a comparator for comparing the reference voltage and the triangular wave voltage to detect a difference therebetween, a charging and discharging controller for correcting the stored voltage in the voltage storing circuit so as to reduce to zero the difference at the leading edge of the pulse signal, a threshold voltage generator for generating a threshold voltage which is offset from the stored voltage by an amount corresponding to the desired dwell time of an ignition coil, and an energization controller for controlling the dwell time of the ignition coil in accordance with the result of a comparison between the threshold voltage and the triangular wave voltage.
    • 公开了一种用于内燃机的点火系统。 点火系统包括响应于发动机的转速的定时信号检测器,以产生包括对应于点火正时的前沿和后沿并具有预定占空比的脉冲信号,用于产生三角波的三角波发生器 电压与脉冲信号的后沿同步;电压存储电路,用于与脉冲信号的前沿同步地存储三角波电压的电压电平;分压器,用于将存储电压中的存储电压分压到 产生参考电压,比较器,用于比较参考电压和三角波电压以检测它们之间的差;充放电控制器,用于校正电压存储电路中存储的电压,以便将前沿上的差减小到零 脉冲信号的阈值电压发生器,用于产生阈值电压w 从存储电压偏移与点火线圈的期望停留时间相对应的量,以及用于根据阈值电压和三角波之间的比较的结果来控制点火线圈的停留时间的通电控制器 电压。
    • 10. 发明授权
    • Ignition apparatus for internal combustion engine
    • 内燃机点火装置
    • US07107977B2
    • 2006-09-19
    • US11347281
    • 2006-02-06
    • Masami KojimaShunichi TakedaKoukichi YamadaAtushi Moriyama
    • Masami KojimaShunichi TakedaKoukichi YamadaAtushi Moriyama
    • F02P3/055H01F38/12
    • F02P3/0435H01F27/022H01F27/04H01F27/40H01F38/12
    • An ignition apparatus for an internal combustion engine, which is controlled by a control unit, includes a connector, an ignition coil assembly, an igniter and a capacitor. The connector is electrically connected with the control unit, and includes an input terminal, which is electrically connected with the control unit to receive an ignition signal outputted by the control unit. The connector also includes a ground terminal, which is connected with a ground. The igniter includes a switching device that switches a coil current supplied to the ignition coil assembly based on the ignition signal received from the control unit through the connector. The igniter also includes a Zener diode that serves as a protection element of the switching device. The capacitor is provided in parallel with the Zener diode between the input terminal and the ground terminal to form a parallel circuit.
    • 由控制单元控制的用于内燃机的点火装置包括连接器,点火线圈组件,点火器和电容器。 连接器与控制单元电连接,并且包括输入端子,其与控制单元电连接以接收由控制单元输出的点火信号。 该连接器还包括一个接地端子,与地面连接。 点火器包括开关装置,其基于通过连接器从控制单元接收的点火信号来切换提供给点火线圈组件的线圈电流。 点火器还包括用作开关装置的保护元件的齐纳二极管。 电容器与输入端子和接地端子之间的齐纳二极管并联提供以形成并联电路。