Dual active fuel management sequencing
US7757657B2 · kind B2 · utility
26Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2008 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Oct 9, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system includes a cylinder selection module and a valve deactivation module. The cylinder selection module selects cylinders of an engine for active fuel management. The valve deactivation module deactivates intake valves of selected cylinders of the engine before deactivating exhaust valves of the selected cylinders when an engine speed of the engine is less than or equal to a predetermined speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.