Oxygen sensor

Details Oxygen sensor Oxygen sensor

1987-11-17

1989-06-13

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204412, 204426, G01N 2746

Patent

active

048390194

ABSTRACT:
A limited current type oxygen sensor comprises an oxygen ion conductive solid electrolyte, a detection element including a positive electrode and a negative electrode, and a heater element including a heater. The negative electrode is installed on one of the walls constituting a space communicating with a small hole for restricting the amount of oxygen to diffuse therethrough. The porous positive electrode and the heater are embedded in the oxygen ion conductive solid electrolyte layers.

REFERENCES:
patent: 4272331 (1981-06-01), Hetrick
patent: 4277323 (1981-07-01), Muller et al.
patent: 4400260 (1983-08-01), Stahl et al.
patent: 4505783 (1985-03-01), Mase et al.
patent: 4547281 (1985-10-01), Wang et al.
patent: 4570479 (1986-02-01), Sakurai et al.
patent: 4571285 (1986-02-01), Nakazawa et al.
patent: 4629549 (1986-12-01), Kojima et al.
patent: 4639305 (1987-01-01), Shibata et al.
patent: 4718999 (1988-01-01), Suzuki et al.

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