Air/fuel ratio measuring device

Details Air/fuel ratio measuring device Air/fuel ratio measuring device

1985-11-27

1987-08-18

Levy, Stewart J.

Measuring and testing

Gas analysis

Gas chromatography

73116, G01N 2712, G01M 1500

Patent

active

046868461

ABSTRACT:
An air-fuel ratio measuring device in which an exhaust gas suction pipe with a throttle nozzle and a dilution air pipe are joined with each other at a surge tank to which a suction pump is connected and two capillary tubes are branched from the two pipes on the upstream side of the surge tank, respectively. Further, a mixture pipe is extended from a joining point of the two capillary tubes. This device is simple in structure and makes it possible to accurately measure the air-fuel ratio.

REFERENCES:
patent: 4555931 (1985-12-01), Amimoto et al.

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