Methods and systems for regeneration of an exhaust aftertreatment device
US10920695B1 · kind B1 · utility
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Key dates
| Filing date | Sep 5, 2019 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Sep 5, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Methods and systems are provided for regenerating an aftertreatment device of a vehicle. In one example, a method may include adjusting conditions of the regeneration in response to a stickiness of the exhaust valve. Adjusting conditions may include adjusting an air/fuel ratio and/or a post-injection amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.