Ceramic oxygen probe
US4046661A · kind A · utility
8Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1972 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Apr 14, 1992 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/411
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A probe for use in measuring the oxygen concentration of fluids comprising a disc or pellet of solid electrolyte located at or near the end of a ceramic tube, and an electrode within the tube contacting the inner face of the pellet, characterized in that the ceramic tube is constructed of alumina, mullite or an aluminous porcelain containing at least 4 per cent by weight of free alumina and not more than 40 per cent by weight silica, and the electrolyte is sealed to the tube by a fusion weld.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.