To reduce air column resonance of a hollow body, in which an annular space is formed, sufficiently.SOLUTION: A hollow structure has: a hollow body formed with an annular first space; and one or more resonators in each of which an elongated second space having a pair of openings, which is open to the first space, at both ends is formed. A ratio of a length of a center line in the second space to a length of a center line in the first space ranges from 0.45 to 0.55. The second space has a portion which bends or curves.SELECTED DRAWING: Figure 3

    【課題】環状の空間が形成される中空体の気柱共鳴を十分に低減する。【解決手段】中空構造体は、環状の第1空間が形成される中空体と、第1空間内に向けて開口する1対の開口部を両端とする長尺状の第2空間が形成される1以上の共鳴器と、を有し、第1空間における中心線の長さに対する第2空間における中心線の長さの比は、0.45以上0.55以下の範囲内であり、第2空間は、屈曲または湾曲する部分を有する。【選択図】図3


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    Title :

    HOLLOW STRUCTURE AND RESONANCE REDUCTION BODY


    Additional title:

    中空構造体および共鳴音低減体


    Contributors:

    Publication date :

    2022-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60C VEHICLE TYRES , Fahrzeugreifen



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