| 摘要 |
A spark plug capable of removing the remaining electric charges is proposed. The spark plug can be installed in a vehicle and has an insulating body, a center electrode, a conductive housing and a conductive wire. The center electrode is passed through the insulating body. The conductive housing is disposed outside the insulating body. One end of the conductive wire is connected to the conductive housing and the other end of the conductive wire is fixed on a negative electrode of a battery of the vehicle. Since the electric charges remaining in the spark plug can be removed by the conductive wire after the high-voltage current sent from the ignition system induces the sparks, the present invention can avoid the damage of the spark plug to keep the spark plug in good status, maintain the efficiency of the engine, and make the car safer in usage.
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