Oxygen sensor
US4126532A · kind A · utility
17Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1977 |
| Grant date | Nov 21, 1978 |
| Priority date | — |
| Expiry date | Sep 21, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4071
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A first layer of a metal/metal oxide sinter which acts as a reference source of oxygen is affixed on a flat surface of a base member, a second layer of solid electrolyte is affixed on the first layer and a third layer of metal is affixed on the second layer so that upon exposure of the third layer to exhaust gases or the like, an EMF (electromotive force) is developed between the first and third layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.