Oxygen sensor assembly

Details Oxygen sensor assembly Oxygen sensor assembly

1985-12-09

1987-07-28

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204427, G01N 2746

Patent

active

046830499

ABSTRACT:
An oxygen sensor comprising an oxygen sensing unit sensitive to oxygen in an oxygen-containing gas and operative to produce an electric signal variable with the concentration of oxygen in the oxygen-containing gas when contacted by a stream of the gas, and a dual-shell housing structure comprising an outer shell and an inner shell enclosed within the outer shell and spaced apart inwardly from the outer shell to form a first chamber therebetween, the inner shell having defined therein a second chamber having the oxygen sensing unit fixedly held in position therewithin, the outer shell being formed with at least one port open to the first chamber and the inner shell being formed with at least one port open to the first and second chambers, the port in one of the outer and inner shells being out of alignment with the port in the other shell in a direction substantially perpendicular to the longitudinal measurement of the sensing unit and passing through a predetermined point of the sensing unit.

REFERENCES:
patent: 4476008 (1984-10-01), Sano et al.

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