A hydraulic control device of a forklift truck includes a first hydraulic cylinder, a first instructing member, a second hydraulic cylinder, a second instructing member, a hydraulic pump, an electric motor, a first oil passage, a lowering control valve, a second oil passage that is branched from the first oil passage at a junction, a flow control valve, a first pilot passage through which pressure in the first oil passage at a position between the first hydraulic cylinder and the lowering control valve is applied to a first accommodating chamber of the flow control valve as the pressure upstream of the lowering control valve, and a second pilot passage through which pressure in the first oil passage at a position between the lowering control valve and the hydraulic pump is applied to a second accommodating chamber of the flow control valve as the pressure downstream of the lowering control valve.


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    Titel :

    Hydraulic control device of forklift truck


    Beteiligte:
    UEDA YUKI (Autor:in) / YOKOMACHI NAOYA (Autor:in) / MATSUO TSUTOMU (Autor:in) / UNO TAKASHI (Autor:in)

    Erscheinungsdatum :

    2019-07-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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