Combustibles sensor

Details Combustibles sensor Combustibles sensor

1973-03-27

1977-01-25

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, 324 30R, 324 29, G01N 2746

Patent

active

040050017

ABSTRACT:
A gaseous mixture of oxygen and fuel (combustibles) is supplied to first and second electrodes disposed on opposite surfaces of an oxygen ion conductive solid electrolyte member wherein the electrodes are composed of different materials each exhibiting a different catalytic action on the gaseous mixture at a given temperature. The difference in oxygen potentials established at the respective electrodes as a result of the dissimilar catalytic action produces oxygen ion conductivity in the solid electrolyte cell which produces an electrical signal the magnitude of which is indicative of the combustible present in the mixture, i.e., methane, hydrogen, carbon monoxide, etc.

REFERENCES:
patent: 3400054 (1968-09-01), Ruka et al.
patent: 3558280 (1971-01-01), Panson et al.
patent: 3698955 (1972-10-01), Lilly et al.
patent: 3719564 (1973-03-01), Lilly et al.

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