A pivot for an adjustable-pitch blade for a turbine engine fan hub, the pivot including a stud having coupling device for transmitting a twisting torque and an outside thread, a force-decoupling part positioned around the stud, provided with an outside thread, pressing transversely against the stud at its radially outer end, an outer rolling bearing having an inside ring mounted to press transversely against the force-decoupling part, an inner rolling bearing assembled around the force-decoupling part and held thereby, a pitch transmission ring provided with a coupling device co-operating, with the coupling device of the stud, a first clamping nut screwed onto the outside thread of the force-decoupling part in order to clamp the outer and inner rolling bearings around the fan hub, and a second clamping nut screwed onto the outside thread of the stud in order to provide clamping between the stud, the force-decoupling part, and the pitch transmission ring.


    Access

    Download


    Export, share and cite



    Title :

    Variable pitch blade pivot for a turbine engine fan hub



    Publication date :

    2020-08-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS



    VARIABLE PITCH BLADE PIVOT FOR A TURBINE ENGINE FAN HUB

    BELMONTE OLIVIER / JACQUEMARD CHRISTOPHE PAUL / MOUTON CLEMENTINE CHARLOTTE MARIE et al. | European Patent Office | 2019

    Free access

    VARIABLE PITCH BLADE HOLDER FOR GAS TURBINE ENGINE

    BAILEY PATRICK | European Patent Office | 2020

    Free access

    Aircraft gas turbine engine blade pitch change mechanism

    PEREZ LUIS MARIO CHAN | European Patent Office | 2021

    Free access

    Variable-pitch fan with low pitch of a turbine engine

    BORDONI NILS EDOUARD ROMAIN / BRAULT MICHEL GILBERT ROLAND / CUVILLIER ROMAIN GUILLAUME et al. | European Patent Office | 2019

    Free access

    Propeller blade pivot

    TAJAN SEBASTIEN / FABRE ADRIEN JACQUES PHILIPPE / JACQUEMARD CHRISTOPHE et al. | European Patent Office | 2018

    Free access