发明名称 |
Tire noise reducing system |
摘要 |
A tire noise reducing system comprises a wheel rim, a pneumatic tire to be mounted on the wheel rim and a noise damper to be disposed in an annular tire cavity enclosed by the wheel rim and the pneumatic tire mounted thereon, wherein the noise damper is made of a multi-cellular material whose volume S2 is in a range of not less than 0.4% of the volume S1 of said annular tire cavity. Preferably, the specific gravity of the damper is set in a range of from 0.005 to 0.06.
|
申请公布号 |
US6729373(B2) |
申请公布日期 |
2004.05.04 |
申请号 |
US20010941565 |
申请日期 |
2001.08.30 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
YUKAWA NAOKI;NAKAJIMA TOKUZO;NISHIKAWA MASAMI;AOKI CHIEKO;SUGIHARA HIDEAKI |
分类号 |
B60B21/12;B60C19/00;(IPC1-7):B60C5/00 |
主分类号 |
B60B21/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|