Oxygen concentration sensor with an improved electrical connecti

Details Oxygen concentration sensor with an improved electrical connecti Oxygen concentration sensor with an improved electrical connecti

1986-09-24

1989-03-07

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204412, 204425, G01N 2746

Patent

active

048103497

ABSTRACT:
An oxygen concentration sensor for electrically sensing oxygen concentration in a gaseous body, including an oxygen pump element, a sensor cell element whose operating voltage is relatively low, and a heater element for heating the sensor cell element. For the electrical connection, the oxygen concentration sensor is provided with a first connector having terminals connected to the oxygen pump element and the heater element whose operating voltages are relatively high, and a second connector discretely from the first connector and having only terminals connected to the sensor cell element so that leakage of the relatively high operating voltage to the terminals of the sensor cell element is prevented.

REFERENCES:
patent: 4505807 (1985-03-01), Yamada
patent: 4591421 (1986-05-01), Yamada et al.
patent: 4601809 (1986-07-01), Kitahara
patent: 4624770 (1986-11-01), Yamada
patent: 4629549 (1986-12-01), Kojima et al.
patent: 4642174 (1987-02-01), Shibata
patent: 4658790 (1987-04-01), Kitahara

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