| 发明名称 |
Method for Adjusting Engine Air-Fuel Ratio |
| 摘要 |
A method for adjusting an air-fuel ratio of an engine is disclosed. In one example, the engine air-fuel ratio is adjusted in response to a duty cycle and frequency of a post catalyst oxygen sensor. The method may improve catalyst efficiency.
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| 申请公布号 |
US2011213547(A1) |
申请公布日期 |
2011.09.01 |
| 申请号 |
US201113083101 |
申请日期 |
2011.04.08 |
| 申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
REED DENNIS CRAIG;ANDERSON BRUCE COLBY |
| 分类号 |
F02D41/30;F02D41/26 |
主分类号 |
F02D41/30 |
| 代理机构 |
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