Methods and systems for NOx offset diagnostic
US11434841B2 · kind B2 · utility
0Cited by
5References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D41/0275
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Methods and systems are provided for a NOx sensor. In one example, a method includes heating a NOx sensor during a vehicle off in response to a cumulative heat energy applied to the NOx.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.