Temporary suspension of oxygen sensor monitoring during braking operations
US7801670B2 · kind B2 · utility
1Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2007 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
To avoid potentially erroneous results, monitoring the operation of an oxygen sensor of an internal combustion engine of a motor vehicle to detect a slow response of the oxygen sensor as indicative of an oxygen sensor fault is temporarily suspended in response to a brake operation transition of a braking system of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.