COMPUCHEK is a computer designed and programmed to test Cummins diesel engines without the use of a chassis or engine dynamometer, and to provide a fault diagnosis based on test data. This system is intended to provide the service shop with more accurate engine performance information in order to both make the proper repair more efficiently, and to assure the customer that his engine is functioning as it should. Cylinder performance tests are made possible through the use of a 'dual pole' flywheel ring gear sensor. This sensor measures the time interval required for one flywheel ring gear tooth to pass between the poles. This time interval is affected by the amount of torque each cylinder applies to the crankshaft as the engine revolves through its operating cycle. The computer is 'told' which cylinder it is seeing by the 'cycle event marker' which senses the movement of one of the intake valve rocker levers. Additionally, various engine pressures and temperatures are measured. The system compares the results of each test to specifications for the particular engine model being tested. The pass/fail pattern of the test is used to determine the most probable engine fault and give the service technician a specific repair message.


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    Titel :

    Computerized diagnostics for diesel engines


    Weitere Titelangaben:

    Rechnergestuetzte Diagnose bei Dieselmotoren


    Beteiligte:
    Kincaid, C.L. (Autor:in)


    Erscheinungsdatum :

    1985


    Format / Umfang :

    5 Seiten, 3 Bilder, 2 Tabellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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