| 主权项 |
1. A vulcanized pneumatic tire comprising a plurality of turbulence generation ridges which extend on a surface of a tire side portion in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction,
the surface on the tire side portion including a maximum width position and narrower width portions provided radially inside of and radially outside of the maximum width position; the maximum width position being a position of the surface on the tire side portion that is farthest in a horizontal direction from a tire equatorial plane; wherein a relationship Si>So is satisfied where Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of the maximum width position of the pneumatic tire and So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position, and wherein Si and So are both non-zero, wherein the number of the turbulence generation ridges located at the inner side, in the tire-radial direction, of the tire maximum width position is larger than the number of the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position, wherein the turbulence generation ridges located at the inner side, in the tire-radial direction, of the tire maximum width position are equidistantly arranged in the tire-circumferential direction, wherein the turbulence generation ridges located at the inner side in the tire-radial direction, of the tire maximum width position satisfy 1.0≦p/h≦50.0, where h is a maximum height of each of the turbulence generation ridges from the surface of the tire side portion located at the inner side in the tire-radial direction, of the tire maximum width position, and p is a pitch between positions of each adjacent two of the turbulence generation ridges, located at the inner side, in the tire-radial direction, of the tire maximum width position, the positions each being a point having the maximum height h; and a maximum height of each of the turbulence generation ridges from the surface of the tire side portion located at the outer side is equal to the maximum height h; a pitch between the positions of each adjacent two of the turbulence generation ridges is constant in the outer side; wherein each of the turbulence generation ridges located at outer side is radially aligned with a respective turbulence generation ridge located at the inner side. |
