发明名称 |
Mass fraction burned and pressure estimation through spark plug ion sensing |
摘要 |
Mass fraction burned in a cylinder of an internal combustion engine is determined by measuring an ion signal across a gap of a spark plug and identifying an inflection point of the ion signal. The mass fraction burned is determined using an expression that includes a constant. A value for the constant is determined using the inflection point of the ion signal, and the mass fraction burned is determined using the expression and the constant.
|
申请公布号 |
US6089077(A) |
申请公布日期 |
2000.07.18 |
申请号 |
US19970883346 |
申请日期 |
1997.06.26 |
申请人 |
COOPER AUTOMOTIVE PRODUCTS, INC. |
发明人 |
DANIELS, CHAO FU |
分类号 |
F02D35/02;F02D41/14;G01L23/22;G01M15/04;(IPC1-7):G01M15/00 |
主分类号 |
F02D35/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|