EGR detection via humidity detection
US7715976B1 · kind B1 · utility
46Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2009 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Apr 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Various systems and methods are described for controlling an engine in a vehicle which includes an exhaust passage and an exhaust gas recirculation system. One example method comprises adjusting an engine operating parameter based on an exhaust gas recirculation amount, the exhaust gas recirculation amount based on a first humidity and a second humidity, the first humidity generated from a first humidity sensor at a first location and the second humidity generated from a second humidity sensor located in the exhaust passage of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.