The hydrostatic transmission in working and transport vehicles, e.g. wheel loaders, graders and fork-lift trucks has the task of transferring and converting the power of the combustion engine onto the wheels of the vehicle in an optimal manner.This paper describes control and regulating systems of hydrostatic transmissions in closed loop with automatic torque conversion and power limitation. The driving operation is similar to that of an automobile with automatic transmission, with speed signal via the accelerator and an electrically operated switch for selection of forward or reverse. By the use of infinitely variable displacement pumps and motors, a greater speed range is achievable. The acceleration, production rate and fuel consumption can be optimized for any engine power output by carefully matching the control and engine characteristics. This can be achieved either by hydraulic or electronic control systems.A vehicle with large drive speed conversion range is possible by combining an automotive type hydrostatic transmission system with a mechanical power shift transmission.Development ideas for hydrostatic transmissions with energy regeneration also will be presented.


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    Titel :

    Hydrostatic Transmissions and Controls for Wheeled Vehicles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Mueller, Heinz (Autor:in)

    Kongress:

    1984 SAE International Off-Highway and Powerplant Congress and Exposition ; 1984



    Erscheinungsdatum :

    01.09.1984




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Hydrostatic Transmissions and Controls for Wheeled Vehicles

    Mueller,H. / Mannesmann Rexroth Hydromatik | Kraftfahrwesen | 1984


    Mechanical Controls for Vehicles With Hydrostatic Transmissions

    Houk, Richard D. | SAE Technical Papers | 1969



    Hydrostatic transmissions for vehicles

    Bowers, E.H. | Engineering Index Backfile | 1959


    Hydrostatic transmissions for vehicles

    Bowers, E.H. | Engineering Index Backfile | 1960