Method for fuel vapor canister purging
US8104454B2 · kind B2 · utility
5Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2010 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Jul 28, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of controlling fuel vapor purging in a hybrid electric vehicle capable of selectively operating an engine is disclosed. In one example, the method includes initiating purging in response to an amount of liquid fuel residing in a fuel tank of the hybrid electric vehicle and a duration since the previous fuel tank filling event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.