Model based method for selective catalyst reducer urea dosing strategy
US8474248B2 · kind B2 · utility
6Cited by
6References
8Claims
0Family size
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Key dates
| Filing date | May 6, 2009 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Sep 4, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method to control NH3 slippage and NOx conversion in an electronic controlled internal combustion engine exhaust system equipped with a selective catalyst reducer, a diesel particulate filter, a diesel oxidation catalyst and a urea doser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.