Low noise tire

阅读:960发布:2020-11-03

专利汇可以提供Low noise tire专利检索,专利查询,专利分析的服务。并且PURPOSE:To achieve low noise in a radial tire with block patterns by tilting a shoulder lateral groove and a central groove at a preset angle for arrangement and specifying the tilt angle at the stepping-in and jumping-out side on the side wall of each lateral groove. CONSTITUTION:A shoulder lateral groove 2(M) located at the left side allows and angle alpha to be set to 10-35 deg. for a level line A in parallel to the rotary axis of a tire from a tread end T(M). In addition, the tilt angle theta1 of the stepping-in side E1 of the side wall is made smaller than that theta2 of the jumping- out side. In other words, theta1 is 85-100 deg. and theta2 is 94-140 deg.. A central lateral groove 3M allows and angle beta to be set to -10-35 deg. for a level line B in paral lel to the tire rotary axis from a longitudinal main groove G2. the stepping-in side tilt angle theta3 of the side wall is made larger than the jumpint-out side tilt angle theta4. In other words, theta3 is 94-140 deg. and theta4 is 85-100 deg.. As a result of this structure, an air pumping noise and an impacting noise can be reduced.,下面是Low noise tire专利的具体信息内容。

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