Measuring cell for determining oxygen concentrations in a gas mi

Details Measuring cell for determining oxygen concentrations in a gas mi Measuring cell for determining oxygen concentrations in a gas mi

1975-07-23

1977-01-04

Wolk, Morris O.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

23254E, 73 27R, 204195S, 324 71SN, 338325, 338328, 357 25, H01L 3100, GO1N 3100

Patent

active

040017567

ABSTRACT:
Measuring cell for determining oxygen concentrations in a gas mixture, which cell comprises two elements made of a semiconductive oxidic material which is doped so as to have n-type and p-type conductivity respectively and which are separated by a metal layer, the electric resistance of the said semiconductive oxide depending upon the oxygen pressure. The cell is used for carburation control in an internal combustion engine.

REFERENCES:
patent: 2711511 (1955-06-01), Pietenpol
patent: 2720573 (1955-10-01), Lundquist
patent: 2975362 (1961-03-01), Jacobson
patent: 3250966 (1966-05-01), Rose
patent: 3321681 (1967-05-01), Lauttman
patent: 3333324 (1967-08-01), Roswell et al.
patent: 3334248 (1967-08-01), Stratton
patent: 3428892 (1969-02-01), Meinhard
patent: 3558280 (1971-01-01), Panson et al.
patent: 3695848 (1972-10-01), Taguchi
patent: 3879985 (1975-04-01), Maslen

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