Hego sensor without characteristic shift down

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Patent

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Details

204424, 204421, G01N 2726

Patent

active

055318797

ABSTRACT:
A non-catalytic metal is used as an inner electrode of a heated exhaust gas oxygen sensor to eliminate the negative shift produced in the sensor emf when rich exhaust leaks into the reference compartment.

REFERENCES:
patent: 4481303 (1984-11-01), McIntyre et al.
patent: 4828673 (1989-05-01), Maeda
patent: 5271821 (1993-12-01), Ogasawara et al.

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