Capacitive ignition system with ion-sensing and suppression of AC ringing

In order to reduce AC ringing of the secondary voltage after the spark event in a capacitive ignition system, which would influence ion-sensing, a secondary winding current (IR) flowing through the secondary winding (4) after the spark event is forced to flow through a forward-biased muting diode (D...

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Bibliographische Detailangaben
Hauptverfasser: DAVID LEPLEY, ARNO GSCHIRR, JOSEPH M. LEPLEY, STEVEN B. PIRKO
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:In order to reduce AC ringing of the secondary voltage after the spark event in a capacitive ignition system, which would influence ion-sensing, a secondary winding current (IR) flowing through the secondary winding (4) after the spark event is forced to flow through a forward-biased muting diode (D1) that is connected across the secondary winding (4). 本公开涉及具有离子感测和AC振铃抑制的电容性点火系统。为了减少在电容性点火系统中点火发动事件之后影响离子感测的次级电压的AC振铃,在点火发动事件之后流经次级绕组(4)的次级绕组电流(I)被迫使流经连接在次级绕组(4)两端的正向偏置的静噪二极管(D1)。