CPC F02B 19/12 (2013.01) [H01T 13/20 (2013.01); H01T 13/54 (2013.01)] | 4 Claims |
1. An ignition system for an internal combustion engine comprising:
a spark plug including a prechamber in which a spark gap is located; and
a plug cover covering the prechamber and including an ejection hole, which connects the prechamber to a main combustion chamber of the internal combustion engine, wherein
the ignition system is configured to apply a pre-discharge voltage that causes a pre-discharge across the spark gap during an intake stroke of the internal combustion engine; and
the internal combustion engine is configured to directly inject fuel into the main combustion chamber and to apply a pre-discharge voltage across the spark gap at a point in time before injecting the fuel.
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