The present invention relates to a hydraulic steering system for a vehicle, in particular an industrial truck, comprising: a steering cylinder having two chambers and a hydraulic connection at each of the two chambers for activating a steering movement of at least one wheel of the vehicle; at least one hydraulic pump; at least one hydraulic tank for receiving hydraulic oil; and a steering block which comprises: two first hydraulic connections for connecting to the two hydraulic connections of the steering cylinder; at least two second hydraulic connections for supplying hydraulic oil from the hydraulic pump to the steering block and feeding the hydraulic oil back into the hydraulic tank; and a controllable valve assembly which receives control signals from a steering angle detection device and is designed to convey hydraulic oil to the steering cylinder on the basis of said control signals; the controllable valve assembly being further designed to be shiftable into at least one neutral position in which it allows a flow of hydraulic oil between the two chambers of the steering cylinder. The hydraulic steering system further comprises a pump device which is designed to stimulate the flow of hydraulic oil between the two chambers of the steering cylinder when the valve assembly is in the neutral position.


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    Titel :

    HYDRAULISCHES LENKSYSTEM


    Weitere Titelangaben:

    HYDRAULIC STEERING SYSTEM
    SYSTÈME DE DIRECTION HYDRAULIQUE


    Beteiligte:
    BERNAU RENÉ (Autor:in) / SEDLMAIER RAINER (Autor:in)

    Erscheinungsdatum :

    21.08.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Deutsch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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