An array of discrete sound absorbers (20a, 20b) is attached to an inner surface (122) of an annular tread portion (12) of a pneumatic tire (10) or an annular rim surface (34) of a wheel rim (30) to reduce tire cavity noise. Each sound absorber (20a, 20b) includes a flexible sheet-like base material (54), a sheet-like screen material (52), and a sound absorbing material (56) disposed in a closed space formed by the sheet-like base material (54) and the sheet-like screen material (52).


    Access

    Download


    Export, share and cite



    Title :

    DISCRETE SOUND ABSORBERS FOR TIRE CAVITY NOISE REDUCTION


    Contributors:
    WU ZHEN (author) / GERDES RONALD W (author) / SHI TONGYANG (author) / LI YAO (author) / LU HUO YING (author)

    Publication date :

    2024-02-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



    DISCRETE SOUND ABSORBERS FOR TIRE CAVITY NOISE REDUCTION

    WU ZHEN / GERDES RONALD W / SHI TONGYANG et al. | European Patent Office | 2023

    Free access

    DISCRETE SOUND ABSORBERS FOR TIRE CAVITY NOISE REDUCTION

    WU ZHEN / GERDES RONALD W / SHI TONGYANG et al. | European Patent Office | 2022

    Free access

    CAVITY NOISE REDUCTION TIRE

    European Patent Office | 2018

    Free access

    CAVITY NOISE REDUCTION TIRE

    SEO BYEONG HO / PARK JU GEON / KANG CHANG HWAN et al. | European Patent Office | 2018

    Free access

    CAVITY NOISE REDUCTION TIRE

    European Patent Office | 2018

    Free access