An object of the present invention is to provide a rotor blade which is excellent in lightweight, stiffness, fatigue characteristics, and dimensional accuracy, and especially excellent in fatigue characteristics, that is, durability, and a main object of the present invention is to provide a rotor blade including at least: a component [A] described below constituting a skin which is a surface layer of the rotor blade; and a component [B] described below constituting a core which is an interior of the skin, wherein the component [B] is enclosed in the component [A] at least in a cross-section taken at the center of the distance between a central axis at the time of rotation and a tip of the rotor blade:Component [A]: a continuous fiber base material including continuous reinforcing fibers and a matrix resin;Component [B]: a porous body including reinforcing fibers and a resin, the reinforcing fiber having a mass mean fiber length of 1 mm or more and 15 mm or less and forming voids by bonding through the resin.


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    Titel :

    ROTARY WING


    Weitere Titelangaben:

    DREHFLÜGEL
    VOILURE TOURNANTE


    Beteiligte:
    MITSUTSUJI YUKI (Autor:in) / HASEGAWA WATARU (Autor:in) / HIRANO NORIYUKI (Autor:in)

    Erscheinungsdatum :

    11.12.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / F03D Windkraftmaschinen , WIND MOTORS



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