The invention relates to a parking brake device having a bistable parking brake valve (1), at least one electrical solenoid valve device (25) controlled by an electronic control unit (52), a relay valve (31) and a spring applied brake (51) controlled by the relay valve (31), wherein the parking brake device holds stored in the electronic control unit (52) a multidimensional characteristic map, which controls the electric solenoid valve device (25) by means of an initial pulse (Pi) of predetermined duration (ti) upon change in a requested pressure setpoint (Psoll) for the spring applied brake (51). This duration (ti) is taken from the stored characteristic map. The characteristic map contains values for the duration (ti) according to the controlled desired pressure (Psoll) > a supply pressure (Pvorr) and an estimated actual pressure (Pist) or a difference pressure (delta P) which is the difference of an estimated pressure (Pist) and the desired pressure (Psoll). Thus a controlled pressure for the parking brake device is quickly achieved without a closed loop circuit.


    Access

    Download


    Export, share and cite



    Title :

    PARKBREMSEINRICHTUNG


    Additional title:

    PARKING BRAKE DEVICE
    SYSTÈME DE FREIN DE STATIONNEMENT


    Contributors:

    Publication date :

    2016-02-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



    Parkbremseinrichtung

    SCHNITTGER KARSTEN / MICHALSKI MAX | European Patent Office | 2021

    Free access

    PARKBREMSEINRICHTUNG

    SCHNITTGER KARSTEN / MICHALSKI MAX | European Patent Office | 2021

    Free access

    PARKBREMSEINRICHTUNG

    SCHNITTGER KARSTEN / MICHALSKI MAX | European Patent Office | 2023

    Free access

    Parkbremseinrichtung

    HERGES MICHAEL | European Patent Office | 2021

    Free access

    ELEKTRONISCHE PARKBREMSEINRICHTUNG UND VERFAHREN ZUM BETRIEB EINER ELEKTRONISCHEN PARKBREMSEINRICHTUNG

    NEMETH-NAGY DAVID / FUCHS ANDRAS | European Patent Office | 2020

    Free access