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Tire noise reducing system

  • US 20050098251A1
  • Filed: 08/23/2004
  • Published: 05/12/2005
  • Est. Priority Date: 11/07/2003
  • Status: Active Grant
First Claim
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1. A tire noise reducing system comprising:

  • a pneumatic tire, a wheel rim on which the pneumatic tire is mounted, and a noise damper disposed in a cavity surrounded by an inner surface of the rim and an inner surface of the tire mounted thereon, wherein the noise damper has a volume V2 which is from 0.4 to 20% of the volume V1 of the cavity, and the noise damper 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.

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