Limiting electric current type oxygen concentration detector app

Details Limiting electric current type oxygen concentration detector app Limiting electric current type oxygen concentration detector app

1982-05-24

1984-09-18

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204425, 204426, 204 1T, 204429, G01N 2756, G01N 2758, G01N 2730

Patent

active

044722621

ABSTRACT:
An oxygen concentration detector provided with an oxygen concentration sensor further provided with an oxygen ionic conductor, a cathode placed on one surface of the oxygen ionic conductor, an anode placed on the other surface of the oxygen ionic conductor, and a layer convering the cathode for regulating the diffusion of oxygen gas toward the cathode. Temperature compensation is applied to the output of the detector which is inherently influenced by the temperature of the sensor. More specifically, an oxygen concentration detector is provided with the foregoing oxygen concentration sensor, and voltage or current is alternatively supplied to the sensor to measure a limiting current of the sensor and internal resistance of the sensor, and the current or the voltage produced by the foregoing application of voltage or current, and a temperature compensation is applied to the detected magnitude of limiting current according to the internal resistance of the sensor.

REFERENCES:
patent: 4187806 (1980-02-01), Schnurle et al.
patent: 4207159 (1980-06-01), Kimura et al.
patent: 4245314 (1981-01-01), Henrich et al.
patent: 4263652 (1981-04-01), Henrich
patent: 4263883 (1981-04-01), Treible et al.
patent: 4365604 (1982-12-01), Sone
patent: 4366039 (1982-12-01), Uchida et al.
patent: 4376026 (1983-03-01), Hoffman et al.
patent: 4391691 (1983-07-01), Linder et al.

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