Work on the construction of a hybrid drive for a city bus has led to a solution in which hydro-pneumatic energy accumulators and a variable-speed transmission with a parallel power flow are used. In the controllable part of the variable-speed transmission there is a hydrostatic transmission operating in four quarters of the power field, owing to which it is possible to transfer energy to and from the vehicle wheels through the variable-speed transmission. A change in the direction of an energy flow results in a change in the value of pressure in the operating conduits of the hydrostatic transmission from suction to force. Die hydro-pneumatic accumulators were connected to the operating system by means of a system of logic valves controlling the flow and pressure, irrespective of the fact which operating conduit is a pressure conduit at a given moment.


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    Titel :

    The drive and control system for a prototype variable-speed transmission and hydropneumatic energy accumulators


    Weitere Titelangaben:

    Das Antriebs- und Steuerungssystem eines drehzahlveränderlichen Fahrzeuggetriebes und eines hydropneumatischen Akkumulators


    Beteiligte:
    Pawelski, Z. (Autor:in)


    Erscheinungsdatum :

    1998


    Format / Umfang :

    10 Seiten, 5 Bilder, 4 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch








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