Offset and slow response diagnostic methods for NOx sensors in vehicle exhaust treatment applications
US8930121B2 · kind B2 · utility
13Cited by
1References
12Claims
0Family size
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Key dates
| Filing date | Apr 7, 2011 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Oct 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method that includes in-vehicle systems and practices for determining whether a NOx sensor in an exhaust stream is performing properly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.