Exhaust aftertreatment system
US10526947B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Apr 12, 2018 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Apr 12, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present application provides an aftertreatment system for treating an exhaust stream of an engine. The aftertreatment system may include a selective catalyst reduction system positioned downstream of the engine, a secondary catalyst positioned downstream of the selective catalyst reduction system, a first gas sensor positioned between the engine and the selective catalyst reduction system, a second gas sensor positioned between the selective catalyst reduction system and the secondary catalyst, and a third gas sensor positioned downstream of the secondary catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.