A proprotor system (100; 200; 300; 400) for tiltrotor aircraft (10) having a helicopter mode and an airplane mode. The proprotor system includes a hub (102; 202; 302; 404) and a plurality of proprotor blades (112; 212; 312; 402) coupled to the hub (102; 202; 302; 404) such that each proprotor blade (112; 212; 312; 402) is operable to independently flap relative to the hub and independently change pitch. In the airplane mode, the proprotor blades have a first in-plane frequency greater than 2.0/rev.


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    Title :

    PROPROTOR SYSTEMS FOR TILTROTOR AIRCRAFT


    Additional title:

    PROPROTORSYSTEME FÜR KIPPROTORFLUGZEUG
    SYSTÈMES DE ROTOR ORIENTABLE POUR AVION À ROTORS BASCULANTS



    Publication date :

    2021-03-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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