Aspects of the present disclosure generally relate to an SMA actuator that includes a cooling device disposed within a torque tube. In one aspect, the cooling device includes a sliding sleeve, an expandable sleeve, and plurality of cooling fins coupled to the expandable sleeve. Axial movement of the sliding sleeve relative to the expandable sleeve facilitates radial expansion of the expandable sleeve and urges the cooling fins into contact with the torque tube. The cooling fins function as heat sinks when in contact with the torque tube to facilitate the removal of heat from the torque tube to increase the cooling rate of the torque tube. During heating of the torque tube, the cooling fins may be spaced apart from the torque tube to reduce the thermal mass that is heated, thus increasing the heating rate of the torque tube.


    Access

    Download


    Export, share and cite



    Title :

    Integrated high thermal conductive fiber as cooling fin for SMA actuator with expandable sleeve



    Publication date :

    2017-05-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / F03G Feder-, Gewichts-, Trägheits- oder ähnliche Kraftmaschinen , SPRING, WEIGHT, INERTIA, OR LIKE MOTORS / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION



    INTEGRATED HIGH THERMAL CONDUCTIVE FIBER AS COOLING FIN FOR SMA ACTUATOR WITH EXPANDABLE SLEEVE

    APDALHALIEM SAHRUDINE / SHOME MOUSHUMI / MEREDITH KIMBERLY D et al. | European Patent Office | 2019

    Free access

    INTEGRATED HIGH THERMAL CONDUCTIVE FIBER AS COOLING FIN FOR SMA ACTUATOR WITH EXPANDABLE SLEEVE

    APDALHALIEM SAHRUDINE / SHOME MOUSHUMI / MEREDITH KIMBERLY D et al. | European Patent Office | 2021

    Free access

    INTEGRATED HIGH THERMAL CONDUCTIVE FIBER AS COOLING FIN FOR SMA ACTUATOR WITH EXPANDABLE SLEEVE

    APDALHALIEM SAHRUDINE / SHOME MOUSHUMI / MEREDITH KIMBERLY D et al. | European Patent Office | 2016

    Free access

    MOISTURE WICKING EXPANDABLE SLEEVE

    MCINTOSH DARREN CARL | European Patent Office | 2021

    Free access