Method of operating an oxygen probe having an internal reference

Details Method of operating an oxygen probe having an internal reference Method of operating an oxygen probe having an internal reference

1994-09-30

1996-02-27

Tung, T.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For oxygen or oxygen containing compound

204425, 204426, 204427, G01N 27407

Patent

active

054945577

ABSTRACT:
The invention is directed to a method of operating an exhaust-gas probe having a pumped reference atmosphere in a relatively closed volume. In this method, the oxygen ion current, which carries the pump current Ip to the reference atmosphere, is temporarily increased under specific conditions. In this way, an adulteration of the reference atmosphere can be more rapidly eliminated. This adulteration can occur because of fuel particles which diffuse in.

REFERENCES:
patent: 4440621 (1984-04-01), Kitahara et al.
patent: 4502939 (1985-03-01), Holfelder et al.
patent: 4615787 (1986-10-01), Yamada et al.
patent: 4702816 (1987-10-01), Hashimoto et al.
patent: 4818362 (1989-04-01), Asakura et al.

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