A method and brake monitoring device check a current functional state of a brake for an elevator installation traction sheave. The brake has a stationary part and a rotatable part rotationally fixedly coupled to the sheave. A braking mechanism has a displaceable braking element, a biasing mechanism and a release mechanism arranged on the stationary part. The biasing mechanism mechanically biases the braking element with an elastic biasing force toward a braking configuration. The release mechanism has an electrical actuator producing a force acting on the braking element and counteracting the elastic biasing force. The method includes: varying electrical power to the actuator; measuring a release power value that, when exceeded, causes the braking element to switch between the braking configuration and a released configuration; comparing the release power value with a predetermined reference power value; and determining the current functional state of the brake based the comparison result.


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    Titel :

    METHOD FOR CHECKING A PRESENT FUNCTIONAL STATE OF A BRAKE OF AN ELEVATOR INSTALLATION AND CORRESPONDINGLY CONFIGURED ELEVATOR INSTALLATION


    Beteiligte:

    Erscheinungsdatum :

    27.04.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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