| 摘要 |
PROBLEM TO BE SOLVED: To improve the motion performance of the tire by setting the angle of a partition wall suitable to the position for mounting to a vehicle in a pneumatic tire having three air chambers. SOLUTION: When assuming a first sub air chamber 31 side to be an angleα, and a second sub air chamber 32 side to be an angleβin the angle formed by the straight line WL connecting the center of a base part 20 and the center of the inside bead part 24 extending from the base part 20, and the rim base line BLI of the inside bead part 24 in the outside of a tire width direction, the angles are set to beα>β. The lateral force F from the second sub air chamber 32 side toward the first sub air chamber 31 side can be generated by making the distribution of ground contact pressure be asymmetrical. The lateral force F is generated from the outside of the tire mounted to the vehicle toward the inside and the operation stability of the vehicle becomes very excellent by making the first sub air chamber 31 be the inside of the tire mounted to the vehicle, and making the second sub air chamber 32 be the outside of the tire mounted to the vehicle. COPYRIGHT: (C)2007,JPO&INPIT
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