To improve effect for reducing cavernous resonance while reducing an amount of a porous resin foam.SOLUTION: A pneumatic tire 1 includes a sound suppressing body 20 made of a porous resin foam at a tire inner cavity surface 1S. The sound suppressing body 20 includes: a base part 21 extending in a radial direction at a distance from the tire inner cavity surface 1s; and a leg part 22 extending to the tire inner cavity surface 1s from both ends in the radial direction of the base part 21, at a tire meridian cross section. The leg part 22 has a width Wb that is 18 to 32% of a width Wa of the base part 21.SELECTED DRAWING: Figure 3
【課題】 孔質樹脂発泡体の量を減じながら空洞共鳴音の低減効果を高める。【解決手段】 空気入りタイヤ1のタイヤ内腔面1Sに多孔質樹脂発泡体からなる制音体20を具える。タイヤ子午断面において、制音体20は、タイヤ内腔面1sから距離を隔ててラジアル方向にのびる基部21と、この基部21のラジアル方向の両端部からタイヤ内腔面1sまでのびる脚部22とを含む。脚部22の幅Wbは、基部21の幅Waの18〜32%である。【選択図】図3
PNEUMATIC TIRE WITH SOUND SUPPRESSING BODY
制音体付き空気入りタイヤ
2020-03-26
Patent
Electronic Resource
Japanese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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