Ceramic oxygen probe

Details Ceramic oxygen probe Ceramic oxygen probe

1972-04-14

1977-09-06

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, 264 61, G01N 2746

Patent

active

040466612

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.

REFERENCES:
patent: 3464008 (1969-08-01), Meysson et al.
patent: 3616407 (1971-10-01), Engell et al.
patent: 3619381 (1971-11-01), Fitterer
patent: 3723279 (1973-03-01), Fruehan et al.

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