A control unit with a built-in computer monitors the pressure of a working fluid outputted from a trailer control valve for controlling a brake of a trailer in conjunction with a brake of a tractor when the brake of the tractor is released. The control unit determines that the trailer is coupled to the tractor when the time required for the pressure of the working fluid to decrease to a predetermined pressure is a predetermined time or longer, and determines that the trailer is not coupled to the tractor when the time is shorter than the predetermined time.


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    Titel :

    Trailer coupling determination device and trailer coupling determination method


    Beteiligte:

    Erscheinungsdatum :

    2015-07-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B62D MOTOR VEHICLES , Motorfahrzeuge



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