The object of microwave diagnostics is to provide accurate, noninvasive measurements upon engine. This paper deals in particular with experiments performed upon the valves of a Buick V-6 engine. A microprocessor controlled data processing system is described that (1) collects and stores, in digital form, the microwave signal developed during several engine cycles (2) produces a very high resolution computer print out of the stored signal correlated with engine crank angle, and (3) outputs a printed analysis of every microwave resonance found in the signal. Exhaust valve motion produces a directly related shift in the crank angle position of a resonance. The magnitude of the shift in the TE111 mode resonance is 7 degrees for one cycle in the change of this valve. The maximum displacement of this valve into the cylinder is .200 inch. A displacement of .005 inch can be measured.


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    Titel :

    Microwave Diagnostics of Intake and Exhaust Valves


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Merlo, A. L. (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1983



    Erscheinungsdatum :

    1983-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Microwave diagnostics of intake and exhaust valves

    Merlo,A.L. / DI-AG NOSTIC Instrum.Res.,US | Kraftfahrwesen | 1983


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    Intake Air Shutoff Valves

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    AIR FLOW Through Intake Valves

    TAYLOR, C. F. / HUNTER, D. U. / TAYLOR, E. S. et al. | SAE Technical Papers | 1942