A hydraulic oil supply device for an industrial vehicle comprises a first hydraulic oil tank that stores hydraulic oil, a second hydraulic oil tank that stores hydraulic oil, an upper communication pipe through which the upper part of the first hydraulic oil tank and the upper part of the second hydraulic oil tank communicate, a lower communication pipe through which the lower part of the first hydraulic oil tank and the lower part of the second hydraulic oil tank communicate, a first hydraulic oil pipe through which the first hydraulic oil tank and a hydraulic oil supply target supplied with hydraulic oil communicate and which has a suction port in the first hydraulic oil tank, a second hydraulic oil pipe through which the second hydraulic oil tank and the hydraulic oil supply target communicate and which has a discharge port in the second hydraulic oil tank, and a hydraulic oil pump that pumps hydraulic oil from the first hydraulic oil tank. The second hydraulic oil tank is an airtight tank sealed from outside air, the upper communication pipe has a first open end provided in the first hydraulic oil tank and a second open end provided in the second hydraulic oil tank, the opening height of the first open end is above the opening height of the suction port, and the opening height of the second open end is above the opening height of the discharge port.


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    Title :

    HYDRAULIC OIL SUPPLY DEVICE FOR INDUSTRIAL VEHICLE


    Contributors:

    Publication date :

    2024-07-11


    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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