A rotor system (100) includes a yoke (102), a plurality of blade grip assemblies (112) and a plurality of centrifugal force bearings (122) coupling the blade grip assemblies (112) with the yoke (102). A plurality of rotor blades (104) are coupled to the blade grip assemblies (112) such that each rotor blade (104) has a coincident hinge (126) and such that each rotor blade (104) has three independent degrees of freedom including blade pitch about a pitch change axis (128), blade flap about a flapping axis (130) and lead-lag about a lead-lag axis (132). A blade-to-blade damping ring (134) includes a plurality of damper anchors (136) each coupled to one of the blade grip assemblies (112) along the respective pitch change axis (128) and a plurality of lead-lag dampers (148) each coupled between adjacent damper anchors (136). During blade pitch operations, each blade grip assembly (112) is operable to rotate relative to the respective damper anchor (136), such that the blade-to-blade damping ring (134) is operable to provide pitch independent lead-lag damping.


    Access

    Download


    Export, share and cite



    Title :

    ARTICULATED ROTOR SYSTEMS WITH BLADE-TO-BLADE DAMPING


    Additional title:

    GELENKIGE ROTORSYSTEME MIT ROTORBLATT-ZU-BLATT DÄMPFUNG
    SYSTÈMES DE ROTOR ARTICULÉS À AMORTISSEMENT INTER-PALE


    Contributors:

    Publication date :

    2020-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



    Articulated rotor systems with blade-to-blade damping

    HALDEMAN ANDREW PAUL / HAMPTON DALTON T / STAMPS FRANK BRADLEY | European Patent Office | 2020

    Free access

    Articulated Rotor Systems with Blade-to-Blade Damping

    HALDEMAN ANDREW PAUL / HAMPTON DALTON T / STAMPS FRANK BRADLEY | European Patent Office | 2019

    Free access

    METHOD OF STABILIZING ARTICULATED ROTOR BLADE

    BREON JOSHUA A / PARSONS ERIC S / SUTTON CHRISTOPHER M et al. | European Patent Office | 2024

    Free access

    METHOD OF STABILIZING ARTICULATED ROTOR BLADE

    BREON JOSHUA A / PARSONS ERIC S / SUTTON CHRISTOPHER M et al. | European Patent Office | 2024

    Free access

    METHOD OF STABILIZING ARTICULATED ROTOR BLADE

    BREON JOSHUA A / PARSONS ERIC S / SUTTON CHRISTOPHER M et al. | European Patent Office | 2025

    Free access