| 发明名称 |
Fuel pump prime activated by door sensor |
| 摘要 |
An engine control system includes a fuel system including a first fuel pump in fluid communication with a fuel tank and a second fuel pump in fluid communication with the first fuel pump. A pump control module selectively turns on the first fuel pump when a door opens before an engine is started, the engine is not cranking and a rail pressure of the first fuel pump is less than a predetermined rail pressure. |
| 申请公布号 |
US9228516(B2) |
申请公布日期 |
2016.01.05 |
| 申请号 |
US201213602628 |
申请日期 |
2012.09.04 |
| 申请人 |
GM Global Technology Operations LLC |
发明人 |
Kwapis Dean R.;Hattar Rafat F.;El-Jaroudi Maher;Braman Timothy J. |
| 分类号 |
F02D41/06;F02M37/20;F02D41/38;F02D33/00;F02D41/30;F02D13/02;F02B75/12 |
主分类号 |
F02D41/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An engine control system, comprising:
a fuel system including:
a first fuel pump in fluid communication with a fuel tank; anda second fuel pump in fluid communication with the first fuel pump; and a pump control module that selectively turns on the first fuel pump when a door opens before an engine is started, the engine is not cranking and a rail pressure of the first fuel pump is less than a predetermined rail pressure. |
| 地址 |
Detroit MI US |
