Tire noise reducing system
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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Abstract
The present invention relates to 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.
45 Citations
14 Claims
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1. A tire noise reducing system comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A pneumatic tire comprising:
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a tread portion, a pair of bead portions, a pair of sidewall portions extending between the tread portion and the bead portions, and a noise damper fixed to an inner surface of the tread portion, wherein the noise damper is made of 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. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification