A controller for controlling a vacuum generator in a vacuum system for transportation of objects, which vacuum system comprises a vacuum generator driven by a compressed air flow via a first on/off valve, to supply vacuum to a vacuum gripper, the vacuum system comprises a second valve arranged to supply compressed air into the vacuum system; a pressure sensor for monitoring a system-pressure inside a vacuum chamber; and the controller that is arranged to communicate with the first on/off valve, the second valve and the pressure sensor; and when the on/off valve is not flowing air to the vacuum generator, and the controller indicates a state of no vacuum generation, and if a fluctuation from a pressure-equilibrium to a negative time-derivative of the system-pressure is detected, the controller is arranged to activate the second valve, allowing compressed air to flow into the vacuum-chamber for compensation to re-establish the pressure-equilibrium.


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    Titel :

    Controlling a vacuum system comprising a vacuum generator


    Beteiligte:
    WIGREN GUSTAF (Autor:in) / ENGBORG PETER (Autor:in)

    Erscheinungsdatum :

    28.08.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / B25J Manipulatoren , MANIPULATORS / B66C Krane , CRANES



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