A failsafe electro-mechanical actuator, the actuator having: an output shaft having a first and second ends spaced apart from each other along a shaft axis, and outwardly facing helical grooves formed along the first end; a motor shaft surrounding the output shaft; a harmonic drive between the motor and output shafts that transfers motion between these shafts in a first mode of operation; ball bearings seated at the first end of the motor shaft and project inwardly from the motor shaft; in the first mode of operation: the ball bearings are disengaged from the output shaft and the output shaft rotates with the motor shaft, and in a second mode of operation, the motor shaft axially moves toward the first end of the output shaft; the motor shaft is rotationally fixed; and the ball bearings engage the helical grooves in the output shaft, whereby the output shaft rotates.


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    Titel :

    FAILSAFE ELECTRO-MECHANICAL ACTUATOR


    Beteiligte:

    Erscheinungsdatum :

    2024-05-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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