发明授权
US06414273B1 Glow plug control apparatus, glow plug, and method of detecting ions in engine combustion chamber
有权
辉光插头控制装置，电热塞，以及检测发动机燃烧室中的离子的方法
- 专利标题： Glow plug control apparatus, glow plug, and method of detecting ions in engine combustion chamber
- 专利标题（中）： 辉光插头控制装置，电热塞，以及检测发动机燃烧室中的离子的方法
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申请号： US09813931申请日： 2001-03-22
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公开(公告)号： US06414273B1公开(公告)日： 2002-07-02
- 发明人: Masato Taniguchi , Masakazu Nagasawa , Hiroyuki Suzuki
- 申请人： Masato Taniguchi , Masakazu Nagasawa , Hiroyuki Suzuki
- 优先权： JP2000-079844 20000322; JP2001-058157 20010302
- 主分类号： F23Q700
- IPC分类号： F23Q700
摘要：
In a glow plug controller, a glow plug 10 fixed to an engine 30 comprises a heater 4 and a ceramic substrate 2 having an exposed portion 2d which is exposed to the interior of a combustion chamber 32. A glow plug control apparatus 100 causes ECU 105 to control the energization of the heater 4 of the glow plug 10 to keep the surface temperature Ts of the exposed portion 2d to not lower than 500° C. Further, ionic current Ii is measured using the glow plug 10. Switches 102 and 103 switch from the energization of the glow plug to the detection of ionic current or vice versa in response to a command signal from ECU 105.
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