The invention relates to a hub for an unducted propeller (14) having variable-pitch blades (18) of a turbine engine, comprising two parallel annular side walls (34) between which are arranged rings (36) which are distributed angularly in a regular manner around a longitudinal axis (A) of the hub, which are connected to the annular side walls (34), and which comprise compartments (26) receiving bearings (32) having radial axes (R) for guiding in rotation roots (30) of blades of said propeller, said rings (36) being connected in pairs by connection means (40) which are arranged between the annular side walls (34) and which comprise substantially radial reinforcing partitions (42, 44, 46), characterised in that at least some of said reinforcing partitions (42, 44, 46) are connected to said annular side walls (34).


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    Titel :

    Stiffened hub for unshrouded propeller



    Erscheinungsdatum :

    2019-12-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS



    STIFFENED HUB FOR UNSHROUDED PROPELLER

    TAJAN SEBASTIEN EMILE PHILIPPE / DERREZ CHARLES-HENRI MICHEL MARIE / HERAUVILLE CAROLINE ADELINE et al. | Europäisches Patentamt | 2017

    Freier Zugriff


    Unshrouded Impeller Technology Development Status

    A. R. Droege / R. W. Williams / R. Garcia | NTIS | 2000



    Comparison of unshrouded impeller analysis and experiment

    Williams, Robert / Skelley, Stephen / Chen, Wei-Chung et al. | AIAA | 2001