发明名称 |
Diagnostic method for variable compression ratio engine |
摘要 |
A diagnostic method for a motor vehicle having an internal combustion engine operable in a plurality of compression ratio operating states includes the steps of determining a change in idle air flow of the engine as the engine is operated in selected ones of the compression ratio operating states, and evaluating operation of the internal combustion engine based at least in part on the change in idle air flow.
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申请公布号 |
US6745619(B2) |
申请公布日期 |
2004.06.08 |
申请号 |
US20010003511 |
申请日期 |
2001.10.22 |
申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
CULLEN MICHAEL JOHN |
分类号 |
F02D45/00;F02B75/04;F02D15/00;F02D15/02;F02D29/00;F02D31/00;F02D41/08;F02D41/18;F02D41/20;F02D41/22;(IPC1-7):G01M15/00 |
主分类号 |
F02D45/00 |
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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