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    • 40. 发明授权
    • Double coil ignition system for an internal combustion engine
    • 用于内燃机的双线圈点火系统
    • US5265580A
    • 1993-11-30
    • US934735
    • 1992-09-30
    • Manfred VogelWerner Herden
    • Manfred VogelWerner Herden
    • F02P3/04F02P7/03F02P9/00F02P15/00F02P15/08F02P3/12
    • F02P9/002F02P15/08
    • The ignition system for an internal combustion engine includes an ignition coil having a primary coil and a secondary coil; a plurality of semiconductor switching elements connected with the secondary coil which change abruptly from a blocking state to a conducting state at a predetermined breakdown voltage corresponding to an ignition voltage, each of the semiconductor switching elements including at least one breakdown diode; an ignition line connected electrically to a higher voltage end of the secondary coil and another ignition line connected electrically to a lower voltage end of the secondary coil, each of the ignition lines being connected via one of the semiconductor switching elements to a spark plug and being of different length, wherein the semiconductor switching element in the one line has a different breakdown voltage than the semiconductor switching element in the other line. Advantageously the shorter ignition line contains the semiconductor switching element with the higher breakdown voltage so that an increased steepening effect can be achieved for the ignition voltages applied to the spark plugs.
    • PCT No.PCT / DE91 / 00444 Sec。 371日期:1992年9月30日 102(e)日期1992年9月30日PCT提交1991年5月27日PCT公布。 出版物WO92 / 00454 1992年1月9日。内燃机的点火系统包括具有初级线圈和次级线圈的点火线圈; 与次级线圈连接的多个半导体开关元件,其以对应于点火电压的预定击穿电压从阻塞状态突然变为导通状态,每个半导体开关元件包括至少一个击穿二极管; 电连接到次级线圈的较高电压端的点火线和与次级线圈的较低电压端电连接的另一个点火线,每个点火线通过半导体开关元件之一连接到火花塞,并且 其中一条线路中的半导体开关元件具有与另一条线路中的半导体开关元件不同的击穿电压。 有利地,较短的点火线包含具有较高击穿电压的半导体开关元件,使得对于施加到火花塞的点火电压可以实现增加的陡峭效应。