Automotive exhaust aftertreatment system with multi-reductant injection and doser controls
US10876454B2 · kind B2 · utility
1Cited by
9References
15Claims
0Family size
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Key dates
| Filing date | Nov 8, 2018 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Jan 11, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An automotive exhaust aftertreatment system for reducing effluents, such as nitrous oxides (NOx), in exhaust gasses passing through the system. The automotive exhaust aftertreatment system includes a dosing unit configured to inject primary and secondary reductant fluids into exhaust gasses based on various strategies to optimize operation of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.