A mast spacer provided between a mast bearing and a mast nut in a main shaft of a helicopter, has a cylindrical spacer body. A first end of the mast spacer is a bearing contact end which is fittable to an inner race of the mast bearing. For example, the bearing contact end is provided with bearing projections which are fittable to recesses provided in the inner race of the mast bearing. The spacer body is provided with slits, for example, a spiral slits penetrating its side wall. The slits have a linear shape crossing an axial direction of the cylindrical spacer body.


    Access

    Download


    Export, share and cite



    Title :

    Mast space of helicopter, driving power transmission device of helicopter including mast spacer, and helicopter


    Contributors:

    Publication date :

    2019-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16C SHAFTS , Wellen / B64C AEROPLANES , Flugzeuge



    MAST SPACER OF HELICOPTER, DRIVING POWER TRANSMISSION DEVICE OF HELICOPTER INCLUDING MAST SPACER, AND HELICOPTER

    YAMAUCHI TOMOHIRO / OKADA HISASHI | European Patent Office | 2018

    Free access

    HELICOPTER MAST SPACER, HELICOPTER POWER TRANSMISSION SYSTEM EQUIPPED WITH SAME, AND HELICOPTER

    YAMAUCHI TOMOHIRO / OKADA HISASHI | European Patent Office | 2020

    Free access

    HELICOPTER MAST SPACER, HELICOPTER POWER TRANSMISSION SYSTEM EQUIPPED WITH SAME, AND HELICOPTER

    YAMAUCHI TOMOHIRO / OKADA HISASHI | European Patent Office | 2017

    Free access

    MAST SPACER OF HELICOPTER, HELICOPTER POWER TRANSMISSION DEVICE EQUIPPED WITH THE SAME, AND HELICOPTER

    YAMAUCHI TOMOHIRO / OKADA HISASHI | European Patent Office | 2017

    Free access