Method and apparatus for regenerating a nitrogen oxides absorber
US7249455B2 · kind B2 · utility
12Cited by
23References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Apr 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A diesel engine exhaust system includes a NOx absorber and a diesel fuel fired burner operated at an enriched fuel-to-air ratio to generate a sufficient quantity of CO and H2 for regenerating the NOx absorber. A method of operating a diesel exhaust system is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.