| 发明名称 |
HYBRID VEHICLE FUEL SYSTEM LEAK DETECTION |
| 摘要 |
Methods and systems for fuel system leak detection in a hybrid electric vehicle using a fuel reservoir are disclosed. In one example approach, a method comprises, during an engine off condition, delivering fuel from a fuel tank into a reservoir while the fuel tank is vented to atmosphere, and sealing the fuel tank from atmosphere and indicating a leak based on pressure in the fuel tank. |
| 申请公布号 |
US2014316638(A1) |
申请公布日期 |
2014.10.23 |
| 申请号 |
US201313864938 |
申请日期 |
2013.04.17 |
| 申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
Dudar Aed M.;Peters Mark W.;Yang Dennis Seung-Man |
| 分类号 |
G07C5/00 |
主分类号 |
G07C5/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for a vehicle with an engine, comprising:
during an engine off condition, delivering fuel from a fuel tank into a reservoir while the fuel tank is vented to atmosphere; and sealing the fuel tank from atmosphere and indicating a leak based on pressure in the fuel tank. |
| 地址 |
Dearborn MI US |
