In-exhaust electrical element for NOx storage catalyst and SCR systems
US11401852B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Aug 20, 2019 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Aug 20, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust system comprising: a NOx storage catalyst; an electric heating element; and a NOx reduction catalyst wherein the heating element is located downstream of the NOx storage catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.