Apparatus for evaluating the performance of an internal combusti

Details Apparatus for evaluating the performance of an internal combusti Apparatus for evaluating the performance of an internal combusti

1980-04-15

1982-05-04

Nusbaum, Mark E.

Boots, shoes, and leggings

324378, 73 23, 73116, 123198F, G01L 2500, F02D 1700

Patent

active

043285465

ABSTRACT:
An improved automated engine diagnosing device employing a digital data processor and a cathode ray tube monitor for displaying individual engine cylinder numbers in separate association with correlated values of exhaust gas emissions pollutants. Engine timing data associated with the time of firing of individual cylinders of the engine being tested synchronizes select cylinder firing inhibition for orderly accumulating gas emissions data generated from an exhaust probe placed in the tail pipe of the automobile under test. An automatic sequential firing inhibition and a manually selectable firing inhibition permits dual modes of data acquisition for developing pollutant data to be utilized by the processor for generating the analysis display on the cathode ray tube monitor.

REFERENCES:
patent: 3788129 (1974-01-01), Trussell
patent: 3940977 (1976-03-01), Voross et al.
patent: 3998095 (1976-12-01), Tinkham et al.
patent: 4125894 (1978-11-01), Cashet et al.
patent: 4143635 (1979-03-01), Iizuka et al.

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