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    • 1. 发明授权
    • Ignition coil
    • 点火线圈
    • US07317370B2
    • 2008-01-08
    • US11707950
    • 2007-02-20
    • Kiyotoshi NakamotoYoshitaka Satoh
    • Kiyotoshi NakamotoYoshitaka Satoh
    • H01F27/02H01F38/12
    • H01F38/12H01F27/022H01F27/04H01F27/33H01F2038/122
    • An ignition coil includes a coil portion that has a primary coil, a secondary coil, and an outer core. The outer core is arranged on a radially outer side of both the primary coil and the secondary coil. A fitting member, which is in a substantially cylindrical shape, has an inner periphery via which the fitting member is fitted to the outer core. A connector case has a fit hole via which the connector case is fitted to an outer periphery of the fitting member. The connector case connects with an axial end of the coil portion via the fitting member. The fitting member includes an embedded member that is at least partially embedded in the fitting member. The embedded member is formed of a material that is different in Young's modulus from a material constructing the fitting member.
    • 点火线圈包括具有初级线圈,次级线圈和外芯的线圈部分。 外芯布置在初级线圈和次级线圈的径向外侧。 大致圆筒状的嵌合部件具有内周面,嵌合部件经由该内周嵌合于外芯。 连接器壳体具有配合孔,连接器壳体通过该配合孔装配到配件的外周。 连接器壳体经由配合构件与线圈部分的轴向端部连接。 装配构件包括至少部分地嵌入在装配构件中的嵌入构件。 嵌入构件由与构成配合构件的材料的杨氏模量不同的材料形成。