发明名称 |
METHOD TO DIAGNOSE A FAILURE OF AN OPCJ VALVE OF AN INTERNAL COMBUSTION ENGINE |
摘要 |
A method is provided to diagnose a failure of an OPCJ valve of an internal combustion engine. The OPCJ valve is located in an auxiliary line connecting an engine lubrication line to at least an oil jet for squirting lubricating oil from the engine lubrication line towards a piston surface. The method provides for monitoring the pressure variation in the engine lubrication line due to a switching signal sent to the OPCJ valve.
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申请公布号 |
US2011224883(A1) |
申请公布日期 |
2011.09.15 |
申请号 |
US201113043144 |
申请日期 |
2011.03.08 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS LLC |
发明人 |
BRUNO MORENA;DONNA DAVIDE;ARGOLINI ROBERTO |
分类号 |
F02D29/00;G01M15/09;G06F15/00 |
主分类号 |
F02D29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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