Oxygen sensor devoid of catalytic oxidation activity
US3941673A · kind A · utility
13Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1974 |
| Grant date | Mar 2, 1976 |
| Priority date | — |
| Expiry date | Aug 5, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4075
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electrode of an oxygen sensor of the concentration cell type is made of a material such as Au or a Pt/Pb/S mixture, which material is devoid of catalytic oxidizing effect on CO and HC in an engine exhaust gas, so that the EMF characteristics depend on actual O.sub.2 concentrations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.