In the never-ending quest of increased productivity, new methods of controlling gear and directional shifts in power-shift transmission-equipped vehicles are becoming desirable. Due to increased vehicle engine power, increased vehicle speeds, increased loads and shorter cycle times, currently used clutch shift modulation devices are not able to provide optimum clutch engagements under the variety of vehicle operational conditions encountered.This paper describes an electronic system developed for providing optimum clutch engagement control under any given vehicle operational condition. A description of clutch hardware, valving, torque and speed transducer, together with measuring and display devices monitoring vehicle performance, and representative test data are included.


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    Titel :

    Shift Modulation Electronic Controls Applied to Powershift Transmissions


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1981 SAE International Off-Highway and Powerplant Congress and Exposition ; 1981



    Erscheinungsdatum :

    01.09.1981




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Shift Modulation Electronic Controls Applied to Powershift Transmissions

    Spokas,R.B. / Sturges,F.D. / Borg Warner,Rockford Div.,US | Kraftfahrwesen | 1981


    Electric controls for powershift transmissions

    Black, R.L. / Schaefer, R.H. | Engineering Index Backfile | 1968



    Shift Modulation of Allison Automatic and Powershift Transmissions

    Harmon, K. B. / Schaefer, R. H. | SAE Technical Papers | 1973


    Electric Controls for Powershift Transmissions

    Schaefer, R. H. / Black, R. L. | SAE Technical Papers | 1968