Method for fuel vapor canister purging
US8443787B2 · kind B2 · utility
10Cited by
15References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2012 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jan 18, 2032 |
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.