A propeller blade retention arrangement having a propeller blade comprising in radial sequence an aerofoil portion, a shank portion and a root portion. The root portion having first cross-sectional area close to the shank portion and second cross-sectional area at the end distal to the aerofoil portion, wherein the second cross-sectional area is greater than the first cross-sectional area. At least two cheeks each having an inner surface arranged to abut the root portion, an outer surface that is threaded and edge surfaces that abut another of the at least two cheeks; wherein the at least two cheeks are arranged to surround the root portion in circumferential abutment. A collar having a threaded inner surface arranged to threadingly engage the outer surfaces of the at least two cheeks.


    Access

    Download


    Export, share and cite



    Title :

    Propeller blade retention


    Contributors:

    Publication date :

    2017-11-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



    PROPELLER BLADE RETENTION

    PENTONY KEVIN | European Patent Office | 2015

    Free access

    PROPELLER BLADE RETENTION ASSEMBLY

    PAWAR RAJENDRA VISHWANATH / GANIGER RAVINDRA SHANKAR / PERIASAMY MURUGESAN et al. | European Patent Office | 2016

    Free access

    PROPELLER ASSEMBLIES AND PROPELLER BLADE RETENTION ASSEMBLY

    PAWAR RAJENDRA VISHWANATH / GANIGER RAVINDRA SHANKAR / PERIASAMY MURUGESAN et al. | European Patent Office | 2016

    Free access

    Propeller assemblies and propeller blade retention assembly

    PAWAR RAJENDRA VISHWANATH / GANIGER RAVINDRA SHANKAR / PERIASAMY MURUGESAN et al. | European Patent Office | 2018

    Free access

    PROPELLER ASSEMBLY AND PROPELLER BLADE RETENTION ASSEMBLY

    BURFORD DARYL JOHN | European Patent Office | 2018

    Free access