| 发明名称 |
Method of pilot injection control |
| 摘要 |
Various methods and systems are provided for adjusting a pilot injection during initial engine operation from vehicle manufacture. In one example, a method comprises delivering a first proportion of fuel as the pilot injection, and only decreasing the first proportion of fuel responsive to learning an injector flow characteristic. |
| 申请公布号 |
US9599062(B2) |
申请公布日期 |
2017.03.21 |
| 申请号 |
US201414444766 |
申请日期 |
2014.07.28 |
| 申请人 |
Ford Global Technologies, LLC |
发明人 |
Van Nieuwstadt Michiel J.;Fulton Brien Lloyd;Oakley Aaron John |
| 分类号 |
F02D41/40;F02D41/24 |
主分类号 |
F02D41/40 |
| 代理机构 |
|
代理人 |
Voutyras Julia;Russell John D.;McCoy B. Anna |
| 主权项 |
1. A method for an engine in a vehicle, comprising:
during initial engine operation from vehicle manufacture,
delivering a first proportion of fuel as a first pilot injection and a second pilot injection in a single engine stroke; andonly decreasing the first proportion of fuel responsive to detecting an injector flow characteristic, where decreasing the first proportion of fuel includes decreasing each of the first pilot injection and the second pilot injection. |
| 地址 |
Dearborn MI US |
