Methods and systems for control of an emission system with more than one SCR region
US8516798B2 · kind B2 · utility
11Cited by
21References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2009 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Oct 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Methods and systems for controlling an emission control system of a vehicle having a first SCR region upstream of a second SCR region are provided herein. One exemplary method includes, in a first mode: adjusting an amount of reductant injected upstream of a first SCR region based on a condition of the first SCR region. The method may also include, in a second mode: adjusting the amount of reductant injected upstream of the first SCR region based on a condition of the second SCR region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.