Oxygen sensor devoid of catalytic oxidation activity

Details Oxygen sensor devoid of catalytic oxidation activity Oxygen sensor devoid of catalytic oxidation activity

1974-08-05

1976-03-02

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

75172R, 427125, G01N 2730, G01N 2746

Patent

active

039416739

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.

REFERENCES:
patent: 3216911 (1965-11-01), Kronenberg
patent: 3481855 (1969-12-01), Kolodney et al.
patent: 3597345 (1971-08-01), Hickham et al.
patent: 3768259 (1973-10-01), Carnahan et al.
patent: 3791953 (1974-02-01), Minushkin et al.
patent: 3819500 (1974-06-01), VanEsdonk et al.

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