Oxygen sensor with a sintered reference source of oxygen
US4155828A · kind A · utility
8Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1977 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Aug 25, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4076
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An oxygen sensor comprises a solid electrolyte having one surface covered with a porous metallic film and the other surface on which a sinter of a metal and an oxide of the metal is disposed. Electromotive force (EMF) is developed between the film and the sinter during its use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.