发明名称 |
VARIABLE OIL PUMP DIAGNOSTIC |
摘要 |
Embodiments for indicating degradation of a piston-cooling jet system are provided. In one example, an engine method comprises indicating degradation of a piston-cooling jet system in response to a relationship between engine speed and oil pressure at maximum oil pump displacement conditions. In this way, engine operation may be adjusted in response to an indicated degradation.
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申请公布号 |
US2013192545(A1) |
申请公布日期 |
2013.08.01 |
申请号 |
US201213362908 |
申请日期 |
2012.01.31 |
申请人 |
BIDNER DAVID KARL;ROLLINGER JOHN ERIC;SMILEY JOHN;BADILLO ED;FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
BIDNER DAVID KARL;ROLLINGER JOHN ERIC;SMILEY JOHN;BADILLO ED |
分类号 |
F01P3/06;F01M1/04 |
主分类号 |
F01P3/06 |
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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