- 专利标题： Ceramic heater, glow plug, method of manufacturing ceramic heater and method of manufacturing glow plug
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申请号： US14325846申请日： 2014-07-08
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公开(公告)号： US09655170B2公开(公告)日： 2017-05-16
- 发明人: Yoshihito Ikai , Ryo Suzuki , Yutaka Sekiguchi
- 申请人： NGK Spark Plug Co., Ltd.
- 申请人地址： JP Aichi
- 专利权人： NGK SPARK PLUG CO., LTD.
- 当前专利权人： NGK SPARK PLUG CO., LTD.
- 当前专利权人地址： JP Aichi
- 代理机构： Kusner & Jaffe
- 优先权： JP2013-143421 20130709
- 主分类号： B23B11/00
- IPC分类号： B23B11/00 ; F23Q7/00 ; H05B3/18 ; H05B3/48 ; B28B11/00
摘要：
A ceramic heater wherein in at least one cross section of the ceramic heater orthogonal to the axial direction, a first resistor cross section has no protrusion on a first inner portion of the contour of a first resistor cross section, and has two or more protrusions on a first outer portion of the contour of the first resistor cross section and a method of manufacturing the ceramic heater.
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