The invention relates to a propeller blade which comprises a hollow casing (1) forming an extrados (5) and an intrados (4) which extend from a blade shank to a free end in the direction of the span, and a framework which is arranged in the hollow casing (1) and comprises a box spar (8), having a plurality of soles (9a, 9b, 10a, 10b) in surface contact with the hollow casing (1) so as to provide structural support for the hollow casing (1), and at least two cavities (15, 16) which are spaced apart in the direction of the chord (25), wherein the propeller blade further comprises at least two reinforcing spars (6, 7) which extend between the framework and the hollow casing.


    Access

    Download


    Export, share and cite



    Title :

    Propeller blade with reinforcing spars and boxes, and propeller comprising at least one such blade


    Contributors:

    Publication date :

    2016-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES



    Propeller blade with reinforcing spars and boxes, and propeller comprising at least one such blade

    STANISLAS TUTAJ / BRUNO PETELLAZ | European Patent Office | 2018

    Free access

    PROPELLER AND PROPELLER BLADE

    CÍRUS RÓBERT / NYÍRI ATTILA / CÍRUS NORBERT | European Patent Office | 2024

    Free access

    PROPELLER AND PROPELLER BLADE

    NYIRI ATTILA / CIRUS ROBERT / CIRUS NORBERT | European Patent Office | 2021

    Free access

    Propeller and propeller blade

    NYIRI ATTILA / CIRUS ROBERT / CIRUS NORBERT | European Patent Office | 2024

    Free access

    PROPELLER BLADE

    AMAT PASCAL / PICOT OLIVIER | European Patent Office | 2024

    Free access