The advances made in recent years in the diagnosis of faults in the combustion engine thanks to a wide range of electronic devices for monitoring its operation are considered and the most commonly used basic device, the tachometer or revolution counter, is described. The primary tachometer activation pulses are derived from the terminals of the coil primary, shaped and used to trigger a monostable with fixed pulse duration and the voltage produced is integrated and used to trigger a galvanometer calibrated in revolutions per minute. The secondary tachometer pulses are derived via a magnetic sensor from a sparkplug conductor and this tachometer is independent of the number of cylinders. The control of prefiring and of the cam angle of the distributor is also discussed.


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    Titel :

    Electronic diagnosis in the car. I. (Electronic tachometer)


    Weitere Titelangaben:

    Elektronische Fahrzeugdiagnose, Teil 1
    Titel spanisch


    Beteiligte:
    Rivera, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1975


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Unbekannt




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