Multi-path evaporative purge system for fuel combusting engine
US8191536B2 · kind B2 · utility
8Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2007 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/0836
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of operating the evaporative purge system for an engine of a vehicle propulsion system is provided. In one example, the method provides for charging and purging two fuel vapor canisters independently or at the same time. The method may provide for improved fuel vapor processing under some conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.