发明授权
- 专利标题: Glow plug for diesel engines
- 专利标题(中): 柴油发动机发光插头
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申请号: US378391申请日: 1982-05-14
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公开(公告)号: US4426568A公开(公告)日: 1984-01-17
- 发明人: Yoji Kato , Shunzo Yamaguchi , Takeshi Fukazawa , Shinichi Saigo
- 申请人: Yoji Kato , Shunzo Yamaguchi , Takeshi Fukazawa , Shinichi Saigo
- 申请人地址: JPX Kariya
- 专利权人: Nippondenso Co., Ltd.
- 当前专利权人: Nippondenso Co., Ltd.
- 当前专利权人地址: JPX Kariya
- 优先权: JPX56-75765 19810521
- 主分类号: F02B3/06
- IPC分类号: F02B3/06 ; F23Q7/00 ; F23Q7/22
摘要:
A glow plug for preheating the combustion chamber of a diesel engine. The glow plug has a heat generating portion and a mounting portion. The heat generating portion is provided with a ceramic central electrode made of an electrically insulating material and provided with at least one spiral screw-thread groove formed in the outer peripheral surface thereof. A ceramic electric resistor serving as a heat generating member is disposed in the groove. The electric resistor is made of TiC or SiC with or without addition of Al.sub.2 O.sub.3.
公开/授权文献
- USD327435S Wristwatch 公开/授权日:1992-06-30