公开(公告)号：US06726289B2

公开(公告)日：2004-04-27

申请号：US10122326

申请日：2002-04-16

Applicant: Naoki Yukawa ,  Masami Nishikawa ,  Tokuzo Nakajima ,  Chieko Aoki ,  Hideaki Sugihara

Inventor： Naoki Yukawa ,  Masami Nishikawa ,  Tokuzo Nakajima ,  Chieko Aoki ,  Hideaki Sugihara

IPC: B60B1900

CPC classification number: B60C19/002 ,  B60B3/04 ,  B60B21/12 ,  B60C5/002

Abstract: A tire noise reducing system comprises a pneumatic tire, a wheel rim and a noise damper disposed in a cavity formed between the rim and tire when mounted as being surrounded by the tire and rim, the noise damper is made of a porous material having a specific gravity of from 0.005 to 0.06 and secured on a surface facing the cavity, the volume S2 of the noise damper is in a range of from 0.4 to 20.0% of the volume S1 of the cavity. Preferably, the noise damper is provided with an uneven surface or an outer layer for less sound reflection, and the shape index E of the noise damper is more than 1, and the ratio T/W of the thickness T to the width W of the damper is not less than 1.

Abstract translation: 轮胎噪声降低系统包括充气轮胎，轮辋和噪声阻尼器，其安装在轮胎和轮辋周围安装在轮辋和轮胎之间的空腔中时，噪音阻尼器由具有特定的 重力为0.005至0.06并固定在面向空腔的表面上，噪声阻尼器的体积S2在空腔体积S1的0.4至20.0％的范围内。 优选地，噪声阻尼器设置有不平坦的表面或外层，用于较少的声反射，并且噪声阻尼器的形状指数E大于1，并且厚度T与宽度W之比T / W 阻尼器不小于1。

公开(公告)号：US06729373B2

公开(公告)日：2004-05-04

申请号：US09941565

申请日：2001-08-30

Applicant: Naoki Yukawa ,  Tokuzo Nakajima ,  Masami Nishikawa ,  Chieko Aoki ,  Hideaki Sugihara

Inventor： Naoki Yukawa ,  Tokuzo Nakajima ,  Masami Nishikawa ,  Chieko Aoki ,  Hideaki Sugihara

IPC: B60C500

CPC classification number: B60B3/04 ,  B60B21/12 ,  B60C19/002 ,  Y10T152/10 ,  Y10T152/10495

Abstract: 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.

Abstract translation: 轮胎噪声降低系统包括轮辋，待安装在轮辋上的充气轮胎和噪声阻尼器，其设置在由轮辋围绕的环形轮胎空腔和安装在其上的充气轮胎上，其中制造噪声阻尼器 的多孔材料，其体积S2在不小于所述环形轮胎腔的体积S1的0.4％的范围内。 优选地，阻尼器的比重设定在0.005至0.06的范围内。

公开(公告)号：US06588469B2

公开(公告)日：2003-07-08

申请号：US09742111

申请日：2000-12-22

Applicant: Naoki Yukawa ,  Tokuzo Nakajima ,  Masami Nishikawa ,  Chieko Aoki ,  Hideaki Sugihara

Inventor： Naoki Yukawa ,  Tokuzo Nakajima ,  Masami Nishikawa ,  Chieko Aoki ,  Hideaki Sugihara

IPC: B60C500

CPC classification number: B60C19/00 ,  B60C19/002 ,  Y10T152/10054 ,  Y10T152/10495

Abstract: A tire noise reducing system includes a wheel rim, a pneumatic tire mounted on the wheel rim to form an annular tire hollow, and a resonance damper disposed in the annular tire hollow, wherein the damper is one of an annular elastic loose band disposed around the rim and a flexible slack strip having a certain length and fixed to the wheel rim at two points so that a portion between the fixed points slacks, whereby a loose portion of the loose band and the slack portion of the slack strip are risen by a centrifugal force during running to at least partially block the annular tire hollow.

Abstract translation: 轮胎噪声降低系统包括：轮辋，安装在轮辋上以形成环形轮胎中空部的充气轮胎和设置在所述环形轮胎中空部中的共鸣阻尼器，其中所述阻尼器是围绕所述环形轮胎 边缘和具有一定长度的柔性松弛条，并且在两个点处固定到轮缘，使得固定点之间的部分松弛，由此松弛带的松散部分和松弛带的松弛部分由离心机 运行期间的力至少部分地阻塞环形轮胎中空部。

公开(公告)号：US06755483B2

公开(公告)日：2004-06-29

申请号：US10390890

申请日：2003-03-19

Applicant: Naoki Yukawa ,  Masami Nishikawa ,  Tokuzo Nakajima ,  Chieko Aoki ,  Hideaki Sugihara

Inventor： Naoki Yukawa ,  Masami Nishikawa ,  Tokuzo Nakajima ,  Chieko Aoki ,  Hideaki Sugihara

IPC: B60B1900

CPC classification number: B60C19/002 ,  B60B3/04 ,  B60B21/12 ,  B60C5/002

Abstract: A tire noise reducing system includes a pneumatic tire, a wheel rim and a noise damper disposed in a cavity formed between the rim and tire the noise damper is made of a porous material having a specific gravity of from 0.005 to 0.06 and secured on a surface facing the cavity, the volume S2 of the noise damper is in a range of from 0.4 to 20.0% of the volume S1 of the cavity. Preferably, the noise damper is provided with an uneven surface or an outer layer for less sound reflection, and the shape index E of the noise damper is more than 1, and the ratio T/W of the thickness T to the width W of the damper is not less than 1.

Abstract translation: 轮胎噪音降低系统包括充气轮胎，轮辋和噪声阻尼器，其设置在形成在轮辋和轮胎之间的空腔中，噪音阻尼器由比重为0.005至0.06的多孔材料制成并固定在表面上 面对空腔，噪声阻尼器的体积S2在空腔体积S1的0.4至20.0％的范围内。 优选地，噪声阻尼器设置有不平坦的表面或外层，用于较少的声反射，并且噪声阻尼器的形状指数E大于1，并且厚度T与宽度W之比T / W 阻尼器不小于1。

公开(公告)号：US06581658B2

公开(公告)日：2003-06-24

申请号：US10020159

申请日：2001-12-18

Applicant: Tokuzo Nakajima ,  Hiroyuki Kobayashi ,  Naoki Yukawa ,  Masami Nishikawa

Inventor： Tokuzo Nakajima ,  Hiroyuki Kobayashi ,  Naoki Yukawa ,  Masami Nishikawa

IPC: B60C500

CPC classification number: G01M1/326 ,  B29D2030/0637 ,  B60C19/002 ,  B60C19/003 ,  Y10T152/10729

Abstract: A method for correcting dynamic unbalance of a pneumatic tire which comprises adhering a counter weight to an inner surface of the tire to reduce dynamic unbalance of the tire, wherein the counter weight is made of a material having a specific gravity in a range of from 0.016 to 0.21 such as a strip of a spongy material.