Plug-in hybrid EVAP valve management to reduce valve cycling
US8447494B2 · kind B2 · utility
4Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2009 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Mar 23, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control module for an engine of a vehicle includes a mode determination module that determines whether the vehicle is in a fuel-saving mode based on an acceleration of the vehicle. A diurnal control valve (DCV) control module selectively closes a DCV a predetermined time after at least one of determining that the vehicle is in the fuel-saving mode and determining that the engine is stopped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.