To provide a pneumatic radial tire for a passenger vehicle, capable of improving silent performance thereof while curbing degradation of a ground contact shape when a camber angle is changed.SOLUTION: A pneumatic radial tire for a passenger vehicle has: a cross-sectional width SW and an outer diameter OD which satisfy a predetermined relation; only one circumferential main groove which is extended on a tread in a tire circumferential direction and is provided on a one-half side in a tread width direction, with an equatorial plane of the tire as a boundary, corresponding to an inner side of the vehicle when the tire is mounted thereon; and a predetermined falling height (or a relation with a ground contact length or a relation with a tread gauge).SELECTED DRAWING: Figure 2

    【課題】本発明は、キャンバ角の変化時に接地形状の悪化を抑制しつつ、タイヤの静音性を向上させることのできる、乗用車用空気入りラジアルタイヤを提供することを目的とする。【解決手段】本発明の乗用車用空気入りラジアルタイヤは、タイヤの断面幅SWとタイヤの外径ODとが所定の関係を満たし、トレッドの踏面に、タイヤ周方向に延びる周方向主溝を1本のみ有し、前記周方向主溝は、車両装着時内側である、タイヤ赤道面を境界とするトレッド幅方向の一方側の半部に設けられている。そして、落ち高(あるいは、接地長の関係、あるいはトレッドのゲージの関係)を所定のものとしている。【選択図】図2


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    Title :

    PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE


    Additional title:

    乗用車用空気入りラジアルタイヤ


    Contributors:

    Publication date :

    2023-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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