Electrochemical oxygen sensor

Details Electrochemical oxygen sensor Electrochemical oxygen sensor

1985-03-08

1986-05-27

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204428, 338 34, G01N 2704, G01N 2758

Patent

active

045914222

ABSTRACT:
An oxygen sensor includes a planar oxygen sensing element having an oxygen detecting portion located in the vicinity of one end thereof, and a protective covering encloses the sensing element to protect the detecting portion in particular. The detecting portion has an oxygen detecting member exposed to a measurement gas. The sensing element has opposite primary surfaces having a larger area than other surfaces thereof, and the detecting member is disposed on the side of one of the primary surfaces. The protective covering has apertures for allowing the measurement gas to flow through a wall of the protective covering so that the detecting member is exposed to the measurement gas. The apertures are formed through a part of the wall of the protective covering which does not face the above-indicated one primary surface of the planar sensing element.

REFERENCES:
patent: 4098653 (1978-07-01), Kita et al.
patent: 4184934 (1980-01-01), Bode et al.
patent: 4415878 (1983-11-01), Novak
patent: 4479866 (1984-10-01), Sone et al.

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