发明名称 |
System and methods for assisted direct start control |
摘要 |
Systems and methods for assisted direct start control are provided. An example method varies engine torque, forward clutch engagement pressure, and wheel brake pressure during a vehicle launch responsive to longitudinal vehicle grade to improve launch performance. |
申请公布号 |
US9555792(B2) |
申请公布日期 |
2017.01.31 |
申请号 |
US201313922096 |
申请日期 |
2013.06.19 |
申请人 |
Ford Global Technologies, LLC |
发明人 |
Gibson Alex O'Connor;Huffmaster Roger Lyle |
分类号 |
B60W10/06;B60W10/184;B60W10/02;B60W10/10;B60W30/18;B60W30/192;F02D41/02;F02D41/06;F02N11/08 |
主分类号 |
B60W10/06 |
代理机构 |
Alleman Hall McCoy Russell & Tuttle LLP |
代理人 |
Voutyras Julia;Alleman Hall McCoy Russell & Tuttle LLP |
主权项 |
1. A method for a vehicle with an engine and wheel brakes, comprising:
during automatic re-start from an engine idle-stop condition,
starting the engine in a driving gear of an automatic transmission having a forward clutch, andadjusting respective extents of engine torque, transmission forward clutch engagement pressure, and wheel brake pressure responsive to engine speed and longitudinal grade of a surface on which the vehicle is disposed as compared to respective engine speed and grade thresholds to smoothly launch the vehicle from rest. |
地址 |
Dearborn MI US |