| 发明名称 |
AIR INTAKE SYSTEM HYDROCARBON TRAP PURGING |
| 摘要 |
Methods and systems for passively purging a hydrocarbon trap in an engine intake in a vehicle are disclosed. In one example approach, a method comprises, in response to an ambient temperature decrease during an engine off condition while a fuel tank is sealed from atmosphere, delivering fuel stored in a hydrocarbon trap in an intake of the engine to a fuel vapor canister coupled to the fuel tank in an emission control system. |
| 申请公布号 |
US2014318506(A1) |
申请公布日期 |
2014.10.30 |
| 申请号 |
US201313874204 |
申请日期 |
2013.04.30 |
| 申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
Yang Dennis Seung-Man;Dudar Aed M.;Peters Mark W.;Jentz Robert Roy |
| 分类号 |
F02M25/08 |
主分类号 |
F02M25/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for a vehicle with an engine, comprising:
in response to an ambient temperature decrease during an engine off condition while a fuel tank is sealed from atmosphere, delivering fuel stored in a hydrocarbon trap in an intake of the engine to a fuel vapor canister coupled to the fuel tank in an emission control system. |
| 地址 |
Dearborn MI US |
