| 摘要 |
PCT No. PCT/EP97/05950 Sec. 371 Date Jul. 2, 1999 Sec. 102(e) Date Jul. 2, 1999 PCT Filed Oct. 28, 1997 PCT Pub. No. WO98/19066 PCT Pub. Date May 7, 1998An electric ignition device for an internal combustion engine having a primary and a secondary circuit coupled together by a transformer. The secondary circuit includes a spark gap. The primary circuit includes a capacitor that can be discharged. The voltage discharged by the capacitor is coupled by the transformer to the secondary circuit where it produces an ignition spark across the spark gap. The primary circuit is a resonant circuit that is repeatedly excited keeping the ignition spark burning as an arc. Current or voltage in the secondary circuit are detected to control the energy introduced into the spark gap.
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