| 发明名称 |
METHODS AND SYSTEM FOR AN EVAPORATIVE EMISSIONS SYSTEM LEAK TEST USING AN EXTERNAL PRESSURE SOURCE |
| 摘要 |
Methods and systems are provided for conducting an evaporative emissions system leak test. In one example, at engine shut-down, pressure stored in a coolant degas bottle is applied to a fuel system in order to pressurize the system. In this way, pressure build-up in the degas bottle may be advantageously utilized to enable a leak test to be conducted. |
| 申请公布号 |
US2017016794(A1) |
申请公布日期 |
2017.01.19 |
| 申请号 |
US201514799742 |
申请日期 |
2015.07.15 |
| 申请人 |
Ford Global Technologies, LLC |
发明人 |
Dudar Aed M. |
| 分类号 |
G01M3/02 |
主分类号 |
G01M3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for an engine, comprising:
at engine shut-down, applying pressure stored in a coolant system degas bottle to a fuel system. |
| 地址 |
Dearborn MI US |
