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    • 72. 发明公开
    • TIRE AND RIM ASSEMBLY
    • REIFEN- UND FELGENANORDNUNG
    • EP2213478A1
    • 2010-08-04
    • EP08851039.1
    • 2008-11-06
    • Bridgestone Corporation
    • ISHIHARA, Taiga
    • B60C5/00B60B21/12
    • B60C19/00B60B21/12B60C19/002Y10T152/10495
    • The present invention provides an assembly of a tire and a rim, which assembly has on the tire inner cavity side thereof a sound absorbing member capable of effectively suppressing cavity resonance and reducing road noise, while suppressing increase in weight of the tire and increase in volume of the sound absorbing member. In this assembly of a tire and a rim, the sound absorbing member is mounted on the inner cavity side of the tire as a sound absorbing layer for suppressing cavity resonance inside the tire. The sound absorbing member is unwoven cloth made of plural fibers, and the average distance d between fibers constituting the unwoven cloth is within the range of 0.50δ to 4.00δ.
    • 本发明提供一种轮胎和轮辋的组件,该组件在轮胎内腔侧具有能够有效地抑制腔共振并减少道路噪声的吸音构件,同时抑制轮胎的重量增加和体积增加 的吸声构件。 在轮胎和轮辋的组装中,吸音构件安装在轮胎的内腔侧,作为用于抑制轮胎内的腔共振的吸音层。 吸声构件是由多根纤维制成的无纺布,构成无纺布的纤维之间的平均距离d在0.50〜4.00的范围内。
    • 80. 发明公开
    • RIM WHEEL, AND TIRE-RIM ASSEMBLY
    • FELGENRAD UND REIFENFELGENANORDNUNG
    • EP1428686A1
    • 2004-06-16
    • EP02800013.1
    • 2002-05-20
    • BRIDGESTONE CORPORATION
    • MORINAGA, Hiroshi, c/o Bridgestone CorporationYOKOTA, Hidetoshi, c/o Bridgestone Corporation
    • B60B21/12
    • B60B3/02B60B21/023B60B21/12B60C17/04B60C19/00B60C19/002
    • A purpose of the present invention is to provide a rim wheel and a tire rim assembly which are capable of effectively reducing cavity resonance of a tire, and accordingly, enhancing quietness and riding comfort.
      A plurality of cap members 20 is arranged on an outer circumferential surface of a rim 16 in a circumferential direction thereof, diaphragms are disposed inwardly of each cap member 20, and a plurality of sub-air chambers 32 is formed between the rim 16 and the cap members 20 in a rim circumferential direction.
      The tire main air chamber 18 is connected to the sub-air chambers 32 through communicating holes 24 formed on the cap members 20. The sub-air chambers 32 and the communicating holes 24 constitute a Helmholtz resonance noise absorber that can absorb vibration with specified frequencies.
      Further, since the sub-air chamber 32 is not formed in a continuous annular shape in a tire circumferential direction, occurrence of cavity resonance can be suppressed and a substantial reduction in noise can be secured.
    • 本发明的目的是提供一种能够有效地减少轮胎的腔共振的轮辋轮和轮辋组件,从而提高安静性和乘坐舒适性。 多个盖构件20沿其圆周方向布置在边缘16的外周表面上,隔膜设置在每个盖构件20的内侧,并且多个副空气室32形成在 边缘16和盖构件20处于边缘周向。 轮胎主空气室18通过形成在盖构件20上的连通孔24连接到副空气室32.副空气室32和连通孔24构成可吸收的亥姆霍兹共振噪声吸收体 具有指定频率的振动。 此外,由于副气室32在轮胎周向上未形成为连续的环状,因此可以抑制空腔共振的发生,能够确实显着降低噪音。