A final drive assembly is driven by an electric motor 12, 14, 16, 18 and includes a park and service brake arrangement including a shared disc brake pack 84 that is compressed by a preload exerted by a compression spring arrangement 106 defined by a stack of Belleville springs for establishing an engaged park brake condition in the absence of pressurized brake actuating fluid being routed to a park brake piston 102. An electrical control is provided for computing disc brake pack wear based on a stored load curve of the stack of Belleville springs containing information correlating preload amounts to various compressed heights of the stack of Belleville springs, and on the magnitude of a drive signal sent to the electric motor 12, 14, 16, 18 for causing sufficient drive torque to be developed for causing the rotor discs 86 of the engaged disc brake pack 84 to slip relative to the stator discs 92.


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    Titel :

    Measuring brake wear


    Weitere Titelangaben:

    Messung der Bremsenabnutzung
    Mesure de l'usure de freins


    Beteiligte:
    ANDERSON ERIC R (Autor:in) / PFOHL KEVIN L (Autor:in) / BESLER MARK J (Autor:in)

    Erscheinungsdatum :

    18.12.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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