| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a small ignition coil with high performance without increasing its manufacturing cost.SOLUTION: The ignition coil includes: a case body section housing a first ignition transformer Ta, a first switching element Qa, a second ignition transformer Tb and a second switching element Qb, and a case shaft section protruding toward an ignition plug from the case body section. A first regulation element Da that regulates a secondary current of the first ignition transformer not to flow in a reverse discharge direction and a second regulation element Db that regulates a secondary current of the second ignition transformer not to flow in a reverse discharge direction are arranged inside the case shaft section.</p> |
