To achieve run-flat durability and riding quality.SOLUTION: A tire rigidity variable device 50 includes: a rigidity variable member 60 which is disposed at a part of a side wall part 8 in a run flat tire 1 in which a side reinforcement rubber layer 40 is disposed at the side wall part 8; and a control unit 70 which provides energy to the rigidity variable member 60 to change rigidity of the rigidity variable member 60. The control unit 70 changes rigidity of the rigidity variable member 60 based on predetermined sensor output information.SELECTED DRAWING: Figure 4

    【課題】ランフラット耐久性と乗り心地とを両立すること。【解決手段】タイヤ剛性可変装置50に、サイドウォール部8にサイド補強ゴム層40が配置されるランフラットタイヤ1におけるサイドウォール部8の一部に配置される剛性可変部材60と、剛性可変部材60に対してエネルギーを付与することにより剛性可変部材60の剛性を変化させる制御部70と、を備え、制御部70は、所定のセンサ出力情報に基づいて剛性可変部材60の剛性を変化させる。【選択図】図4


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    Titel :

    TIRE RIGIDITY VARIABLE DEVICE AND RUN FLAT TIRE


    Weitere Titelangaben:

    タイヤ剛性可変装置及びランフラットタイヤ


    Beteiligte:

    Erscheinungsdatum :

    14.10.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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