A retainer for securing the outer air seal assembly of a turbine rotor stage in a locked position. The outer air seal is suspended from the turbine casing over the rotor stage and is locked to the casing by annular segmented locking keys. A series of circumferentially spaced seats are located upon the front face of the locking key segments with the outer surfaces of the seats describing a circle approximating a first diameter. A split ring retainer is slidably carried in a radially disposed groove and is arranged to secure the key segments in a locked position. A series of lugs extend inwardly from the inside wall of the ring. The lugs are circumferentially spaced about the ring with the inner surface of the lugs approximating a circle having a second diameter that is less that of the first diameter approximated by the seats. The lugs are spaced so that each lug can be seated upon a seat to flex the ring outwardly in a radial direction and thus secure the key segment in a locking position.


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    Titel :

    Split Ring Retainer for Turbine Outer Air Seal


    Beteiligte:
    S. W. Trinks (Autor:in) / S. G. Lemieux (Autor:in) / G. E. Reinhardt (Autor:in)

    Erscheinungsdatum :

    2005


    Format / Umfang :

    8 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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