The need for accurate, high-resolution automobile fuel gauges is becoming incrasingly felt and this can best be fulfilled with modern developments of the capacitance-measuring technique used for aircraft fuel tanks. An inexpensive probe is described which can be used, with suitable circuitry, to give a 0.1 gallon resolution and accuracy, from which the influence of slosh and tilt is effectively eliminated. A low-cost measuring circuit is described, based on CMOS astable oscillators, which produces digital readings virtually immune to noise, voltage and temperature changes, and the effects of ageing. (Se)


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    Title :

    An alternative approach to automotive fuel gauging


    Additional title:

    Ein neues Verfahren zum Messen des Fuellstands im Tank von Kraftfahrzeugen


    Contributors:
    Huddart, J. (author)

    Published in:

    Publication date :

    1979


    Size :

    17 Seiten, 11 Bilder, 8 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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