Temperature compensated plug-in type oxygen detector for exhaust

Measuring and testing – Gas analysis – By vibration

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338 34, G01N 2712

Patent

active

043229689

ABSTRACT:
A plug-in type oxygen detector for detecting oxygen contained in exhaust gas is disclosed which comprises a series connected, sintered N and P type oxide semiconductors which have temperature dependencies in the same direction and respond to a partial pressure of oxygen in exhaust gas, an output being derived from a common junction of the semiconductors.

REFERENCES:
patent: 4033169 (1977-07-01), Fujishiro et al.
patent: 4208786 (1980-06-01), Merchant et al.
patent: 4222026 (1980-09-01), Heiney et al.
patent: 4244918 (1981-01-01), Yasuda et al.
patent: 4277439 (1981-07-01), Yasuda et al.
patent: 4287751 (1981-09-01), Yasuda et al.

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