System and method for diagnosing an exhaust gas sensor
US12196640B2 · kind B2 · utility
0Cited by
8References
19Claims
0Family size
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Key dates
| Filing date | Jun 27, 2022 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Aug 25, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M15/104
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and system for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one example, the method determines an estimate of an exhaust gas oxygen sensor time constant according to a correlation between a rate of change of a Lambda value and a system time constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.