A mounting system is provided for mounting a blade (70) to a rotor body. The system has a pitch control mechanism including an anchor (76) and a pitch change rod (75) extending radially outwardly from the anchor to join to a base of the blade. The pitch control mechanism further includes a torque-transmitting formation (77a,77b) such that pitch-varying torque can be transmitted to the blade while allowing relative radial movement between the blade and the anchor. The system further has a primary bearing formation (80a,80b) which transmits blade centrifugal loads to the rotor body. The system further has a secondary bearing formation (81) which transmits pitch change mechanism centrifugal loads to the rotor body while accommodating rotation of the anchor and the rod during variation of the blade pitch. The mounting system further has a back-up retention formation (79a,79b) which, on failure of the primary bearing formation leading to outward radial movement of the blade relative to the anchor, activates to divert blade centrifugal loads through the secondary bearing formation to the rotor body.


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    Titel :

    Blade mounting system


    Weitere Titelangaben:

    Montagesystem einer Schaufel
    Système d'assemblage d'une aube



    Erscheinungsdatum :

    28.02.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / F02K JET-PROPULSION PLANTS , Strahltriebwerke / B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES



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