Spark Plug of an Internal Combustion Engine

摘要: The present invention relates to a spark plug of an internal combustion engine. engine the comprises: housing with screw predetermined length formed on outer-lower side housing; insulator mounted in hollow housing, while insulating and covering terminal stick buried at center central electrode extending from lower end exposed outside insulator; ground lower-inner as counterpart electrode; primary chamber forming cell, which has arranged inside opening making joint opening, external outer peripheral surface fasten chamber, least one ejection end; is defined between cell accommodate electrodes varying volume that controlled by screw-joint wherein openings are comprised main two sub-ejection along circumferential direction around being tilted form swirling flame coming out chamber.