| 摘要 |
An ignition apparatus is provided with an ignition plug (101) including a first electrode (101a) that generates a high voltage by means of energy supplied by an ignition coil device (102), a second electrode (101b) that faces the first electrode (101a) through a first gap and causes in the first gap a spark discharge for igniting a fuel, and a third electrode (101c) that faces the first electrode through a second gap that is smaller than the first gap, and is connected with the second electrode (101b) by way of an electric conductor (302) having a predetermined resistance value; a control apparatus drives the ignition coil device (102) twice or more times in a single ignition process so that the ignition plug causes a spark discharge.
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