Systems and methods for stopping and starting an engine with dedicated EGR
US9284920B2 · kind B2 · utility
10Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2014 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Jun 19, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Methods and systems are provided for operating an engine including a DEGR system during start-stop and DFSO conditions. In one example, the DEGR cylinder may be deactivated prior to deactivating the non-DEGR cylinder group and stopping the engine, to purge EGR from the intake system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.