Spark plug and method for production of a spark plug
    6.
    发明授权
    Spark plug and method for production of a spark plug 失效
    火花塞和火花塞的生产方法

    公开(公告)号:US07980908B2

    公开(公告)日:2011-07-19

    申请号:US12138343

    申请日:2008-06-12

    IPC分类号: H01T21/02

    CPC分类号: H01T13/38 H01T21/02

    摘要: The invention describes a spark plug having an outer electrode (12), a central electrode (10), an inner conductor (2) connected to the central electrode (10) and an insulator (3) enclosing the inner conductor (2). It is provided according to the invention that the insulator (3) is produced by extrusion. The invention further relates to a method for production of a spark plug of that kind.

    摘要翻译: 本发明描述了具有外电极(12),中心电极(10),连接到中心电极(10)的内导体(2)和封闭内导体(2)的绝缘体(3)的火花塞。 根据本发明提供绝缘子(3)通过挤压制造。 本发明还涉及一种用于生产这种火花塞的方法。

    SPARK PLUG AND METHOD FOR PRODUCTION OF A SPARK PLUG
    7.
    发明申请
    SPARK PLUG AND METHOD FOR PRODUCTION OF A SPARK PLUG 失效
    火花插头和生产火花塞的方法

    公开(公告)号:US20080309214A1

    公开(公告)日:2008-12-18

    申请号:US12138343

    申请日:2008-06-12

    IPC分类号: H01T13/38 H01T21/02

    CPC分类号: H01T13/38 H01T21/02

    摘要: The invention describes a spark plug having an outer electrode (12), a central electrode (10), an inner conductor (2) connected to the central electrode (10) and an insulator (3) enclosing the inner conductor (2). It is provided according to the invention that the insulator (3) is produced by extrusion. The invention further relates to a method for production of a spark plug of that kind.

    摘要翻译: 本发明描述了具有外电极(12),中心电极(10),连接到中心电极(10)的内导体(2)和封闭内导体(2)的绝缘体(3)的火花塞。 根据本发明提供绝缘子(3)通过挤压制造。 本发明还涉及一种用于生产这种火花塞的方法。

    Sintered material based on Si.sub.3 N.sub.4 and processes for its
production
    9.
    发明授权
    Sintered material based on Si.sub.3 N.sub.4 and processes for its production 失效
    基于Si3N4的烧结材料及其生产工艺

    公开(公告)号:US5362691A

    公开(公告)日:1994-11-08

    申请号:US995328

    申请日:1992-12-23

    CPC分类号: C04B35/584 Y10S264/64

    摘要: Si.sub.3 N.sub.4 -based sintered compositions containing MgO and optionally other sintering additives, which after sintering, has a flexural strength level at room temperatures of .gtoreq.800 MPa, measured by the four-point bending method, and a Weibull modulus of >15, is produced by mixing MgO, any additional sintering additives and Si.sub.3 N.sub.4 powder to form a mixture, calcining the mixture in an oxygen-free atmosphere to obtain a pre-synthesis mixture, and adding the pre-synthesis mixture to uncalcined Si.sub.3 N.sub.4 powder which is then sintered.

    摘要翻译: 含有MgO和任选的其它烧结添加剂的Si 3 N 4基烧结组合物,其在烧结后具有通过四点弯曲法测量的> / = 800MPa的室温下的挠曲强度水平,并且威布尔模量> 15。 通过混合MgO,任何另外的烧结添加剂和Si 3 N 4粉末形成混合物,在无氧气氛中煅烧混合物以获得预合成混合物,并将预合成混合物加入到未煅烧的Si 3 N 4粉末中,然后烧结。