| 摘要 |
The present invention relates to a tire noise reducing system comprising a pneumatic tire (2), a wheel rim (3) on which the pneumatic tire is mounted, and a noise damper (5) disposed in a cavity (4) surrounded by an inner surface of the rim (3) and an inner surface of the tire (2) mounted thereon, wherein the noise damper (5) has a volume V2 which is from 0.4 to 20% of the volume V1 of the cavity (4), and the noise damper (5) is made of a porous material having a hardness of from 10 to 80 N, a tensile strength of not less than 70 kPa and a specific gravity of from 0.014 to 0.026. <IMAGE> |
