Oxygen sensor

Details Oxygen sensor Oxygen sensor

1989-05-25

1990-09-11

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204428, G01N 27417

Patent

active

049560727

ABSTRACT:
An oxygen sensor including a detection element with electrodes for detecting an oxygen partial pressure, a metal member for containing the detection element, and an insulation spacer for supporting the detection element. The oxygen sensor further includes an insulating layer for covering the surface of a recess defined by the detection element, the metal member, and the insulating spacer, thus preventing the deterioration of insulation between the electrodes of the detection element and the metal member. The oxygen sensor of this invention can accurately detect the oxygen partial pressure for a long time.

REFERENCES:
patent: 3909385 (1975-09-01), Spielberg et al.
patent: 4597849 (1986-07-01), Burkhardt et al.
patent: 4626337 (1986-12-01), Hotta et al.
patent: 4818364 (1989-04-01), Weber et al.

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