The invention discloses a three-gear change-over switch for a relay valve. The three-gear change-over switch for the relay valve comprises an upper cover body, a lower base body and a change-over valve installed between the upper cover body and the lower base body, and a first groove and a second groove in the change-over valve are in transformation relation with air holes in a cylindrical stand. According to the three-gear change-over switch for the relay valve, the two air outlets can be both closed or any one air outlet can be closed, and thus control over the three-stage relay valve is achieved; the three-gear change-over switch can be used under the condition that a vehicle is in a heavy load state or a standard load state or an unloaded state.


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    Titel :

    Three-gear change-over switch for relay valve


    Beteiligte:
    TIAN QINGFENG (Autor:in)

    Erscheinungsdatum :

    20.05.2015


    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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