An excavator according to an embodiment of the present invention includes a lower travelling body (1); an upper turning body (3) mounted on the lower travelling body (1); a main pump (14)installed in the upper turning body (3); a travelling hydraulic motor (20) that is a variable displacement type motor configured to move the lower travelling body (1) by being driven by hydraulic oil discharged by the main pump (14); and a controller (30) configured to control a motor capacity of the travelling hydraulic motor (20) so as to be switchable between a plurality of levels. The controller (30) switches the motor capacity of the travelling hydraulic motor (20) to a low rotation setting upon detecting that an operation for changing a travelling direction of the lower travelling body (1) is performed.


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    Titel :

    EXCAVATOR AND METHOD FOR CONTROLLING EXCAVATOR


    Weitere Titelangaben:

    BAGGER UND VERFAHREN ZUR STEUERUNG DES BAGGERS
    EXCAVATRICE ET PROCÉDÉ DE COMMANDE D'UNE EXCAVATRICE


    Beteiligte:
    MAEDA NORIO (Autor:in) / MAKINO MASAKI (Autor:in) / TANAKA TAKUMI (Autor:in)

    Erscheinungsdatum :

    2023-08-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / E02F Baggern , DREDGING / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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