| 发明名称 |
SYSTEM AND METHOD FOR DETERMINING VALVE OPERATION |
| 摘要 |
Systems and methods for determining operation of a cylinder deactivating/reactivating device are disclosed. In one example, degradation of the cylinder deactivating/reactivating device is based on intake manifold oxygen concentration. |
| 申请公布号 |
US2014360477(A1) |
申请公布日期 |
2014.12.11 |
| 申请号 |
US201313910836 |
申请日期 |
2013.06.05 |
| 申请人 |
Ford Global Technologies, LLC |
发明人 |
Doering Jeffrey Allen;Glugla Chris Paul;Uhrich Michael James |
| 分类号 |
F02D41/14;F02D41/00 |
主分类号 |
F02D41/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An engine operating method, comprising:
commanding reactivation of a cylinder that is deactivated; and adjusting engine operation in response to an oxygen concentration in an engine intake manifold being less than a threshold oxygen concentration, the oxygen concentration present within a predetermined duration after commanding reactivation of the cylinder. |
| 地址 |
Dearborn MI US |
