A hydraulic oil supply device for an industrial vehicle includes: a first hydraulic oil tank; a second hydraulic oil tank; an upper communication pipe; a lower communication pipe; a first hydraulic oil pipe configured to communicate the first hydraulic oil tank with a hydraulic oil supply target and to be provided with a suction port; a second hydraulic oil pipe configured to communicate the hydraulic oil supply target with the second hydraulic oil tank and to be provided with a discharge port; and a hydraulic oil pump. The second hydraulic oil tank is an airtight tank sealed hermetically against outside air. The upper communication pipe has a first open-end portion and a second open-end portion. The first open-end portion has an opening height higher than an opening height of the suction port. The second open-end portion has an opening height higher than an opening height of the discharge port.


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    Title :

    HYDRAULIC OIL SUPPLY DEVICE FOR INDUSTRIAL VEHICLE


    Contributors:

    Publication date :

    2025-03-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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