An electromagnetic device (10) for an elevator brake, an elevator brake and an elevator system are disclosed. The electromagnetic device is configured to be provided in the number of at least two in the elevator brake, and each of the electromagnetic devices includes: a fixed member (11), which is fixed relative to an elevator power device (30) and provided with at least one electromagnetic member for providing an electromagnetic force (F2) after being energized; a movable member (12), which is arranged between the fixed member and a friction member (20) of the elevator brake, and arranged to be movable relative to the fixed member; and a force supply member (14), which is arranged to provide a force (F1) in an opposite direction to the electromagnetic force to the movable member, so that when the elevator brake is in a first state, the movable member is driven by the force to move toward the friction member and bring the friction member into contact with the elevator power device to provide a braking force for stopping an elevator car, and when the elevator brake is in a second state, the electromagnetic force is provided to overcome the force to urge the movable member to move toward the fixed member so that the friction member is out of contact with the elevator power device.


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    Titel :

    ELECTROMAGNETIC DEVICE FOR ELEVATOR BRAKE, ELEVATOR BRAKE AND ELEVATOR SYSTEM


    Weitere Titelangaben:

    ELEKTROMAGNETISCHE VORRICHTUNG FÜR AUFZUGSBREMSE, AUFZUGSBREMSE UND AUFZUGSSYSTEM
    DISPOSITIF ÉLECTROMAGNÉTIQUE DE FREIN D'ASCENSEUR, FREIN D'ASCENSEUR ET SYSTÈME D'ASCENSEUR


    Beteiligte:
    GAO GUOCHEN (Autor:in) / SHEN YUWEI (Autor:in) / XI XIN (Autor:in)

    Erscheinungsdatum :

    2023-01-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS / B66B Aufzüge , ELEVATORS



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