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    • 8. 发明授权
    • Ignition system for internal combustion engines
    • 内燃机点火系统
    • US4030468A
    • 1977-06-21
    • US667952
    • 1976-03-18
    • Noboru SugiuraYasunori MoriSeiji Suda
    • Noboru SugiuraYasunori MoriSeiji Suda
    • F02P3/04F02P3/045F02P3/05F02P1/00
    • F02P3/0453F02P3/051
    • In an ignition system wherein an ignition timing signal generated in synchronism with the engine rotation is detected by a detecting transistor and a base current of a power transistor adapted to control a primary current of an ignition coil is controlled by the detected ignition timing signal thereby to generate a high voltage across a secondary side of the ignition coil; the primary current of the ignition coil is controlled by the power transistor not to exceed a predetermined value, a time interval during which the primary current of the ignition coil is restricted to the predetermined value is detected by a change in collector voltage of the power transistor, i.e. an output thereof, and a conduction starting point for the primary current of ignition coil is controlled by the output of the power transistor.
    • 在其中通过检测晶体管检测与发动机旋转同步产生的点火正时信号的点火系统中,并且通过检测到的点火定时信号来控制适于控制点火线圈的初级电流的功率晶体管的基极电流,由此, 在点火线圈的二次侧产生高电压; 点火线圈的初级电流由功率晶体管控制,不超过预定值,点火线圈的初级电流被限制在预定值的时间间隔通过功率晶体管的集电极电压的变化来检测 ,即其输出,并且用于点火线圈的初级电流的导通起始点由功率晶体管的输出控制。