- 专利标题： SPARK PLUG WITH IMPROVED TIGHTNESS
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申请号： US16493030申请日： 2018-03-14
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公开(公告)号： US20200014176A1公开(公告)日： 2020-01-09
- 发明人: Chris Schimmel , Ugur Yilmaz
- 申请人： Robert Bosch GmbH
- 优先权： DE102017205828.5 20170405
- 国际申请： PCT/EP2018/056350 WO 20180314
- 主分类号： H01T13/36
- IPC分类号： H01T13/36
摘要：
A spark plug includes an insulator, a housing, and a deformable sealing washer disposed between the insulator and the housing, the insulator having an annular full-perimeter shoulder against which the sealing washer rests, and the shoulder having a radius in a range of between 0.20 mm and 0.60 mm.
公开/授权文献
- US10916921B2 Spark plug with improved tightness 公开/授权日：2021-02-09
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