Method for processing measured values from a nitrogen oxide sensor
US9678049B2 · kind B2 · utility
2Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2013 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Dec 21, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for processing measured values two nitrogen oxide sensors, one of which is arranged upstream of a nitrogen oxide reduction catalytic converter in the exhaust gas system of a motor vehicle and the other of which is arranged downstream of the nitrogen oxide reduction catalytic converter, involves recording and comparing measured values from the two nitrogen oxide sensors at least approximately at the same time. A sensitivity of the first nitrogen oxide sensor and/or of the second nitrogen oxide sensor is changed depending on the result of the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.