发明名称 |
ENGINE AND EXHAUST HEATING |
摘要 |
A method for controlling a vehicle engine having a plurality of cylinders is provided. The method comprises: during engine idling, advancing spark timing of at least one cylinder to before a peak torque timing, and retarding spark timing from the advanced timing toward the peak torque timing in response to decreased engine speed to maintain idling speed.
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申请公布号 |
US2011226215(A1) |
申请公布日期 |
2011.09.22 |
申请号 |
US201113149410 |
申请日期 |
2011.05.31 |
申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
PURSIFULL ROSS DYKSTRA;SURNILLA GOPICHANDRA;TRASK NATE |
分类号 |
F02P5/15 |
主分类号 |
F02P5/15 |
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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