Gas detecting sensor

Details Gas detecting sensor Gas detecting sensor

1981-12-31

1984-04-17

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

73 27R, 422 98, H01L 700

Patent

active

044437811

ABSTRACT:
A compact and durable gas detecting sensor for detecting the partial pressure of oxygen gas in the exhaust gases of an internal combustion engine is disclosed. The sensor is provided with a sensing element made of ceramic material having an electrical characteristic which varies in response to variations in the partial pressure of oxygen gas, such as CoO, a base member made of electrically insulating ceramic material, such as alumina, and electrodes held by the base member. The sensing element is integrally fixed to the base member through an intermediate layer made of ceramic material which is non-reactive with the sensing element.

REFERENCES:
patent: 3933028 (1976-01-01), Laud et al.
patent: 4007435 (1977-02-01), Tien
patent: 4012709 (1977-03-01), Logothetis et al.
patent: 4314996 (1982-02-01), Sekado et al.
patent: 4333067 (1982-06-01), Kugimiya et al.
patent: 4338281 (1982-07-01), Treitinger

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