Automotive exhaust aftertreatment system having onboard ammonia reactor with heated doser
US10767529B2 · kind B2 · utility
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Key dates
| Filing date | Nov 8, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Nov 17, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An automotive exhaust aftertreatment system includes an onboard ammonium carbamate reactor. The onboard ammonium carbamate reactor is coupled to a diesel emission fluid reservoir also included in the system and is configured to generate aqueous ammonium carbamate solution from diesel emission fluid. A doser configured to inject the generated aqueous ammonium carbamate solution has integrated heating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.