The invention refers to a compressed air system (100) for a motor vehicle with an air supply system (200), comprising: - an electric drive motor (8), which can be controlled for variable speed, - an air compressor (9) coupled to be driven by the electric drive motor (8), - an electric power supply (6) for supplying electric power to the electric drive motor (8), - at least one air reservoir (11) connected with said air compressor (9) to receive air from the air compressor (9), - an air utilization system (300) connected to said at least one air reservoir (11) to receive air from said at least one air reservoir (11), - a controller (7) to control the speed of the electric drive motor (8). According to the invention, the controller (7) controls the electric drive motor (8) to determine the speed of the electric drive motor (8) in a way that during filling of the air reservoir (11), when the pressure level in the air reservoir (11) passes a setpoint that is between a minimum level and a higher cut off pressure level, the controller changes the compressor speed so that specific power consumption per unit mass of air compressed is decreased.


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    Titel :

    Compressed air system for a motor vehicle


    Weitere Titelangaben:

    Druckluftsystem für ein Motorfahrzeug
    Système à air comprimé pour véhicule automobile


    Beteiligte:
    ADLER TAMAS (Autor:in) / NEMETH HUBA (Autor:in)

    Erscheinungsdatum :

    20.09.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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