Spark plug
    2.
    发明公开
    Spark plug 失效
    火花塞

    公开(公告)号:EP0302474A1

    公开(公告)日:1989-02-08

    申请号:EP88112648.6

    申请日:1988-08-03

    IPC分类号: H01T13/52 H01T13/46

    CPC分类号: H01T13/52 H01T13/467

    摘要: A spark plug for internal combustion engines includes a third electrode (4) in addition to a center electrode (1) and a ground electrode (2) which define a normal or main spark gap (S₁). Defined between the center electrode (1) and the third electrode (4) is an auxiliary gap (S₂) adjoining the normal gap (S₁) and adapted to produce a capacitive discharge at a voltage lower than that of the normal gap (S₁), and a discharge is induced across the normal gap (S₁) by the capacitive discharge across the auxiliary gap (S₂).

    摘要翻译: 用于内燃机的火花塞除了限定正常或主火花隙(S 1)的中心电极(1)和接地电极(2)之外,还包括第三电极(4)。 在中心电极(1)和第三电极(4)之间限定的是一个辅助间隙(S 2),该辅助间隙与常规间隙(S 1)相邻并适于产生电压低于正常间隙(S 1)的电容性放电, 并通过辅助间隙(S 2)上的电容放电在正常间隙(S 1)上感应放电。