Purge system for ethanol direct injection plus gas port fuel injection
US7428895B2 · kind B2 · utility
52Cited by
87References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2007 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Oct 24, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for managing vapors generated by a first and second reservoir onboard a vehicle traveling on the road, the method comprising of inducting vapors from the first and second reservoirs during engine operation and reducing flow of vapors from first the reservoir to second reservoir and from the second reservoir to the first reservoir, wherein said reducing includes restricting said flow of vapors from the first reservoir to the second reservoir and from the second reservoir to the first reservoir to prevent fuel vapors with different alcohol amounts from mixing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.