Method and apparatus for detecting pneumatic pressure in an inte

Details Method and apparatus for detecting pneumatic pressure in an inte Method and apparatus for detecting pneumatic pressure in an inte

1981-12-22

1984-10-09

Myracle, Jerry W.

Measuring and testing

Vehicle drive train

Rear end

G01M 1500

Patent

active

044753810

ABSTRACT:
The absolute intake manifold pneumatic pressure and the atmospheric pressure are selectively detected by a single absolute pneumatic pressure sensor, and the relative intake manifold pneumatic pressure is calculated from the detected values. The detection of the atmospheric pressure by the sensor is carried out only when the engine is operated under a predetermined operating condition.

REFERENCES:
patent: 3645141 (1972-02-01), Moore et al.
patent: 4165650 (1979-08-01), Weissler
patent: 4204422 (1980-05-01), Inoue et al.
patent: 4377145 (1983-03-01), Nagaishi

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