The present invention provides a wheel resonator. With the wheel resonator adopted,the difference between the flow path cross-sectional area of a communication hole in design and the flow path cross-sectional area of a molded article due to unevenness in the wall thickness of a communication hole forming portion is minimized, and an excellent damping effect of resonance sound is realized. The wheel resonator is characterized by comprising a resonator main body and a communication hole; the resonator main body is installed on a wheel in a tire air chamber between the wheel and a tire, and forms a sub-air chamber; the communication hole is communicated with the sub-air chamber and the tire air chamber; the communication hole has a first cross-sectional area portion having a first flow path cross-sectional area; and a second cross-sectional area portion having a second flow path cross-sectional area; the first flow path cross-sectional area is smaller than the second flow path cross-sectional area.

    本发明提供能够将由于连通孔形成部的壁厚的不均而产生的设计上的连通孔的流路截面积与成形件的流路截面积之间的差距抑制得小并且共鸣音的衰减效果优异的车轮用共鸣器。本发明的车轮用共鸣器的特征在于,具有:共鸣器主体,其在处于车轮与轮胎之间的轮胎空气室内安装于所述车轮上,用于形成副气室;以及连通孔,其将所述副气室与所述轮胎空气室连通,所述连通孔具有:第一截面积部,其具有第一流路截面积;第二截面积部,其具有第二流路截面积,所述第一流路截面积比所述第二流路截面积小。


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    Titel :

    Wheel resonator and wheel


    Weitere Titelangaben:

    车轮用共鸣器及车轮


    Beteiligte:

    Erscheinungsdatum :

    2021-08-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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