Method and means for temperature compensation in exhaust gas sen

Details Method and means for temperature compensation in exhaust gas sen Method and means for temperature compensation in exhaust gas sen

1978-05-31

1979-04-24

Ciarlante, Anthony V.

Measuring and testing

Gas analysis

By vibration

123 32EA, G01N 2746

Patent

active

041505620

ABSTRACT:
This specification discloses an apparatus and method for sensing the composition of an engine exhaust gas wherein a signal for compensating for the temperature dependence of the apparatus is derived from engine speed. That is, the output of an exhaust gas sensor is measured with respect to a reference value which is a function of engine speed. The reference value includes the sum of a constant biasing voltage and a voltage representing engine speed.

REFERENCES:
patent: 3868846 (1975-03-01), Kushida et al.
patent: 3915135 (1975-10-01), Kushida et al.
patent: 3933028 (1976-01-01), Laud et al.
patent: 3946198 (1976-03-01), Foote
patent: 4028642 (1977-06-01), Kushida et al.

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