| 发明名称 |
METHOD FOR DETERMINING VALVE DEGRADATION |
| 摘要 |
A method for determining degraded valve operation. According to the method, valve degradation can be determined from the duration of a spark event. This method allows for the determination of both intake and exhaust valve degradation.
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| 申请公布号 |
US2009066337(A1) |
申请公布日期 |
2009.03.12 |
| 申请号 |
US20070851424 |
申请日期 |
2007.09.07 |
| 申请人 |
GIBSON ALEX O'CONNOR;DOERING JEFFREY ALLEN;MORROW JR NELSON WILLIAM;MCCOY JAMES DONALD;CZEKALA MICHAEL DAMIAN |
发明人 |
GIBSON ALEX O'CONNOR;DOERING JEFFREY ALLEN;MORROW, JR. NELSON WILLIAM;MCCOY JAMES DONALD;CZEKALA MICHAEL DAMIAN |
| 分类号 |
F02P17/12;G01M15/04;G06F19/00 |
主分类号 |
F02P17/12 |
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