发明申请
- 专利标题: SPARK PLUG
- 专利标题(中): SPARK插头
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申请号: US13580170申请日: 2010-09-28
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公开(公告)号: US20120306346A1公开(公告)日: 2012-12-06
- 发明人: Jiro Kyuno , Akira Suzuki
- 申请人: Jiro Kyuno , Akira Suzuki
- 优先权: JP2010-041755 20100226
- 国际申请: PCT/JP2010/005809 WO 20100928
- 主分类号: H01T13/20
- IPC分类号: H01T13/20
摘要:
A spark plug having a metal shell, the metal shell having a tool engagement portion, a trunk portion and a cylindrical groove disposed between the tool engagement portion and the trunk portion, wherein the following relationship is satisfied: Z1
公开/授权文献
- US08624474B2 Spark plug 公开/授权日:2014-01-07
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