Exhaust gas post-treatment device
US11555432B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2021 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Nov 30, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A device for the post-treatment of the exhaust gas of an internal combustion engine comprises a conduit defining a passage for the flow of the exhaust gas and, from upstream to downstream of the conduit, an injector arranged to inject a reducing agent into the flow passage, and a purifying member. The injector is heated to heat the reducing agent prior to injection. The device further comprises a heating element arranged between the injector and the purifying member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.