WO2005072991A1 - タイヤ空洞共鳴抑制装置及び空気入りタイヤ - Google Patents
タイヤ空洞共鳴抑制装置及び空気入りタイヤ Download PDFInfo
- Publication number
- WO2005072991A1 WO2005072991A1 PCT/JP2005/001233 JP2005001233W WO2005072991A1 WO 2005072991 A1 WO2005072991 A1 WO 2005072991A1 JP 2005001233 W JP2005001233 W JP 2005001233W WO 2005072991 A1 WO2005072991 A1 WO 2005072991A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- sectional area
- cross
- cavity resonance
- tire cavity
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10036—Cushion and pneumatic combined
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10036—Cushion and pneumatic combined
- Y10T152/10054—Enclosed cushion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
Definitions
- the present invention relates to a tire cavity resonance suppression device and a pneumatic tire, and more particularly, to a tire cavity resonance suppression device configured to improve tire vibration and a pneumatic tire equipped with the tire cavity resonance suppression device.
- a tire cavity resonance suppression device configured to improve tire vibration and a pneumatic tire equipped with the tire cavity resonance suppression device.
- a cavity resonance phenomenon occurring in a closed tire cavity formed between a rim of a wheel and a pneumatic tire mounted on the rim is a major factor in tire noise.
- the cavity resonance phenomenon is involved in the noise that is constantly heard around 250 Hz while driving and the impact sound that occurs when crossing a road joint.
- a sound absorbing material is arranged in a tire cavity to absorb a resonance sound, or a shield plate is provided on a rim so as to partition the tire cavity. It has been proposed to be worn.
- the sound absorbing material does not fundamentally suppress the occurrence of cavity resonance, the sound absorbing material that can be practically mounted inside the tire cannot sufficiently obtain the noise reduction effect.
- a shielding plate is attached to the rim, the rim assembly will deteriorate.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-113902
- Patent Document 2 Japanese Unexamined Patent Publication No. 2003-226104
- a tire cavity resonance suppressing apparatus of the present invention that achieves the above object is a tire cavity resonance suppressing apparatus mounted on an inner surface of a tread portion facing a cavity of a pneumatic tire, wherein a tire meridian cross section of the cavity is provided. And a ring-shaped elastic fixing member for fixing the cross-sectional area changing member to the inner surface of the tread portion, wherein the elastic fixing member is a cross-sectional area changing member. And an unattached portion to which the cross-sectional area changing member is not attached, wherein the mass of the elastic fixing member is heavier at the non-attached portion than at the attached portion.
- Another tire cavity resonance suppression device of the present invention is a tire cavity resonance suppression device mounted on an inner surface of a tread portion facing a cavity portion of a pneumatic tire, wherein the cavity portion has a tire meridian section.
- a cross-sectional area changing member for changing the cross-sectional area; and a ring-shaped elastic fixing member for fixing the cross-sectional area changing member to the inner surface of the tread portion, wherein the cross-sectional area changing member attached to the elastic fixing member is provided.
- a hole is formed in the member
- Still another tire cavity resonance suppression device of the present invention is a tire cavity resonance suppression device mounted on an inner surface of a tread portion facing a cavity of a pneumatic tire, wherein a tire meridian of the cavity is provided.
- Still another tire cavity resonance suppressing device of the present invention is mounted on an inner surface of a tread portion facing a cavity of a pneumatic tire, and is configured to be capable of changing a cross-sectional area of the cavity in a tire meridian section.
- a tire cavity resonance suppressor provided with a cross-sectional area changing member having a maximum mass Ma in a region formed when the tire cavity resonance suppression device is arbitrarily divided into 36 equal parts along one circumferential direction.
- the mass ratio Ma / Mb in the region of the region and the minimum mass Mb is set to 1-10.
- a pneumatic tire according to the present invention is provided with any one of the above tire cavity resonance suppression devices.
- the mass distribution of the pneumatic tire equipped with the tire cavity resonance suppression device can be made more uniform on the circumference than before, so that tire vibration generated during vehicle running is improved. It becomes possible. Since the cross-sectional area of the cross-sectional area changing member which affects the cavity resonance suppression is not changed, the cavity resonance suppression effect is not impaired.
- FIG. 1 is a tire meridian sectional view showing one embodiment of a pneumatic tire equipped with a tire cavity resonance suppressing device of the present invention.
- FIG. 2 is a side view of the tire cavity resonance suppressing device of FIG. 1.
- FIG. 3 is a partially enlarged view of the tire cavity resonance suppressing device of FIG. 2.
- FIG. 4 is a partially enlarged view of another embodiment of the tire cavity resonance suppressing device of the present invention as viewed from the inner peripheral side.
- FIG. 5 is a partially enlarged view of still another embodiment of the tire cavity resonance suppressing device of the present invention as viewed from the inner peripheral side.
- FIG. 6 is a partially enlarged view of still another embodiment of the tire cavity resonance suppression device of the present invention as viewed from the inner peripheral side.
- FIG. 7 is a partially enlarged side view showing still another embodiment of the tire cavity resonance suppression device of the present invention.
- FIG. 1 shows an embodiment of a pneumatic tire equipped with the tire cavity resonance suppressing device of the present invention
- 1 shows a tire cavity resonance suppressing device
- 10 shows a tire 20 mounted on a rim 21 of a wheel 20. It is a pneumatic tire.
- the pneumatic tire 10 includes a tread portion 11, left and right bead portions 12, and left and right sidewall portions 13 connecting the tread portion 11 and the bead portion 12 to each other.
- the space surrounded by the tire inner surface 14 is a cavity 15, and the pneumatic tire 10 is attached to the wheel 20 so that the cavity 15 is sealed by the rim 21.
- a carcass layer extends between the left and right bead portions 12 inside the tire, and a plurality of belt layers are provided on the outer peripheral side of the carcass layer of the tread portion 11.
- a bead core is provided on each of the left and right bead portions 12, and both ends of the carcass layer are folded around the bead core from the inside of the tire to the outside.
- the tire cavity resonance suppression device 1 is mounted on the inner surface 14a of the tread portion 11 facing the cavity 15 of the pneumatic tire 10, and changes the cross-sectional area of the cavity 15 in the meridian cross section of the tire.
- a member 2 and a ring-shaped elastic fixing member 3 for fixing the cross-sectional area changing member 2 to the inner surface 14a of the tread portion 11 are provided.
- the cross-sectional area changing member 2 has a constant thickness as shown in FIG. 2, and is attached to two opposing positions on the outer peripheral surface 3 a of the elastic fixing member 3.
- the cross-sectional area changing members 2 are not limited to the two places shown in the figure, and may be arranged at more than two places. Preferably, they are arranged at equal intervals in two to four places.
- the material forming the cross-sectional area changing member 2 is not particularly limited as long as the material can change the cross-sectional area. From the viewpoint of weight reduction, a material having a low specific gravity is preferably used. For example, a foamed resin can be preferably used. Preferably, the cross-sectional area changing member 2 is made of a sponge made of a foamed resin or the like.
- the elastic fixing member 3 is formed by forming a band-shaped band body made of an elastic body into a ring shape, and the both ends 3 b are fastened by a pair of fastening bands 4.
- the tire cavity resonance suppressing device 1 is mounted on the inner surface 14 a of the tread portion 11 by the elastic force of the elastic fixing member 3.
- the elastic fixing member 3 has a mounting part 3X to which the cross-sectional area changing member 2 is mounted, and a non-mounting part 3Y to which the cross-sectional area changing member 2 is not mounted. As shown in FIG. Is thicker than the thickness of the mounting portion 3X, so that the mass of the elastic fixing member 3 is heavier at the non-mounting portion 3Y than at the mounting portion 3X.
- a metal such as stainless steel or a resin such as a nylon resin or a polypropylene resin can be preferably exemplified as long as the material can provide the elasticity that can be attached.
- FIG. 4 and 5 may be used instead of the configuration shown in FIG.
- FIG. 4 shows that the width of the elastic fixing member 3 is wider at the non-mounting portion 3Y than at the mounting portion 3X
- FIG. 5 shows that the plurality of through-holes 5 penetrate only the mounting portion 3X of the elastic fixing member 3 in a predetermined manner. It is formed along the circumferential direction at intervals. The thickness of the elastic fixing member 3 shown in FIGS. 4 and 5 is constant.
- the cross-sectional area of the cavity 15 at the tire meridian cross section changes in the tire circumferential direction by the cross-sectional area changing member 2, and the cavity resonance frequency is reduced. It changes every moment as the tire rotates and the time to resonate at the same frequency is shortened. Therefore, the noise caused by cavity resonance of about 200-250Hz, which has been a problem in the past, can be effectively reduced.
- the mass of the elastic fixing member 3 heavier at the non-mounting portion 3Y than at the mounting portion 3X to which the cross-sectional area changing member 2 is mounted, the mass distribution of the tire cavity resonance suppression device 1 can be made more uniform on the circumference than before. Can be. Therefore, in the pneumatic tire 1 having the tire cavity resonance suppression device 1, it is possible to improve the tire vibration generated when the vehicle runs.
- FIG. 6 shows a main part of another embodiment of the tire cavity resonance suppressing device of the present invention.
- the tire cavity resonance suppressing device 1A is different from the tire cavity resonance suppressing device 1 of FIG. While the thickness of the ring-shaped elastic fixing member 3 is kept constant, a plurality of holes 6 are formed in the inner peripheral surface 2a of the cross-sectional area changing member 2, thereby reducing the weight of the cross-sectional area changing member 2.
- the mass distribution of the tire cavity resonance suppressor 1A is made to be more uniform on the circumference than before.
- the hole 6 may or may not penetrate from the inner peripheral surface 2a to the outer peripheral surface 2b (see FIG. 2).
- the hole 6 is formed in the inner peripheral surface 2a as shown in the figure, and the cavity 6 is further suppressed by using the hole 6 which is formed so that the opening 6a faces the cavity 15. That can be S.
- FIG. 7 shows a main part of still another embodiment of the tire cavity resonance suppressing device of the present invention.
- the tire cavity resonance suppressing device 1B is the same as the tire cavity resonance suppressing device 1 of FIG.
- the mass distribution of the tire cavity resonance suppressor 1B is more uniform around the circumference than before. I am trying to.
- the mass adjusting member 7 a conventionally known material can be used as long as the mass can be adjusted. More preferably, a member having a density (kg / m 3 ) of at least 5 times the apparent density of the cross-sectional area changing member 2 is preferably formed. For example, rubber is preferably used from the viewpoint of mass and durability. You can S.
- the upper limit of the density of the members constituting the mass adjusting member 7 is not particularly limited, and the larger the density, the better the thickness of the mass adjusting member 7 can be reduced.
- the mass adjustment member 7 is provided on at least one surface of the non-attached portion 3Y (the outer peripheral surface 3a is illustrated in the figure) continuously along the entire length of the non-attached portion 3Y with a uniform thickness along the circumferential direction. This is preferable for making the mass distribution of the cavity resonance suppressing device 1B more uniform.
- FIGS. 3, 4, 5, 6, and 7 may be appropriately combined.
- the tire cavity resonance suppressors 1, 1 A, and 1 B described above are arbitrarily extended over one circumference along the circumferential direction of the ring-shaped elastic fixing member 3 as partially shown in FIG.
- the mass ratio Ma / Mb in the area Na of the maximum mass Ma (kg) and the area Nb of the minimum mass Mb (kg) in the area N is 11 Force to be in the range of 10 Good for effectively improving tire vibration.
- the cross-sectional area changing member 2 for changing the cross-sectional area of the tire cavity portion 15 in the tire meridian cross section, and the ring-shaped member for fixing it to the inner surface 14a of the tread portion 11
- the tire cavity resonance suppressors 1, 1A, and IB having the elastic fixing member 3 have been described, the present invention is not limited thereto, and the cavity 15 may be formed by making the inner peripheral surface wavy or uneven.
- An annular cross-sectional area changing member having a variable cross-sectional area is provided, and the annular cross-sectional area changing member is fixed to the inner surface 14a of the tread portion 11 by an adhesive or the like without using the elastic fixing member 3.
- a tire cavity resonance suppressing device may be used. As described above, even in the case of the tire cavity resonance suppressing device having the annular cross-sectional area changing member, the tire vibration can be improved by setting the mass ratio MaZMb in the above-described range.
- the tire cavity resonance suppression device (Example) of the present invention provided with a mass adjusting member, used for a pneumatic tire having a tire size of 205 / 65R15, and a tire cavity without a mass adjusting member.
- a sound suppression device (comparative example) was manufactured.
- Each tire cavity resonance suppression device together, foamed resin or Ranaru sponge (cross-sectional area 6. 0 X 10- 3 m 2) Density 50 kg / m 3 to the cross-sectional area changing member, density 900 kg / m to elastic fixing member band body consisting of three of polypropylene resin (cross-sectional area 2. 0 X 10- 5 m 2) was used, provided as in FIG. 2 in two places to the cross-sectional area changing member elastic fixing member.
- Mass adjusting member may use the rubber of density 1300 kg / m 3, the cross-sectional area 1. is a 2 X 10- 5 m 2. Table 1 shows the mass ratio MaZMb of each tire cavity resonance suppressor.
- Each tire cavity resonance suppression device is mounted on a pneumatic tire of a tire size of 205 / 65R15, and the pneumatic tire is assembled on a rim of a rim size of 15 X 6 1 / 2JJ, and the air pressure is set to 220 kPa, and the It was mounted on a 2500cc passenger car.
- An evaluation test of the cavity resonance and vibration of the tire was performed by the following method, and the results shown in Table 1 were obtained.
- Table 1 shows that the present invention can improve tire vibration while maintaining the cavity resonance suppressing effect.
- the tire cavity resonance suppressing device of the present invention having the above-described excellent effects can be used very effectively as a device for reducing tire noise caused by a cavity of a pneumatic tire.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/584,665 US7681611B2 (en) | 2004-01-29 | 2005-01-28 | Tire cavity resonance restricting device and pneumatic tire |
DE112005000209.8T DE112005000209B4 (de) | 2004-01-29 | 2005-01-28 | Reifenkavitätsresonanzbeschränkungsvorrichtung und Luftreifen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-020677 | 2004-01-29 | ||
JP2004020677A JP4360468B2 (ja) | 2004-01-29 | 2004-01-29 | タイヤ空洞共鳴抑制装置及び空気入りタイヤ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005072991A1 true WO2005072991A1 (ja) | 2005-08-11 |
Family
ID=34823757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001233 WO2005072991A1 (ja) | 2004-01-29 | 2005-01-28 | タイヤ空洞共鳴抑制装置及び空気入りタイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7681611B2 (ja) |
JP (1) | JP4360468B2 (ja) |
CN (4) | CN101445021B (ja) |
DE (1) | DE112005000209B4 (ja) |
WO (1) | WO2005072991A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008038629A1 (fr) * | 2006-09-26 | 2008-04-03 | The Yokohama Rubber Co., Ltd. | Dispositif de réduction du bruit de pneu et pneu |
US8387670B2 (en) | 2006-09-26 | 2013-03-05 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2895312B1 (fr) * | 2005-12-23 | 2009-11-27 | Michelin Soc Tech | Chambre mousse de grande dimension pour pneumatique. |
JP4522958B2 (ja) * | 2006-03-09 | 2010-08-11 | 横浜ゴム株式会社 | タイヤ騒音低減装置及び空気入りタイヤ |
US20100071820A1 (en) * | 2008-09-24 | 2010-03-25 | Bridgestone Americas Tire Operations, Llc | Tire and noise reducer |
JP4983876B2 (ja) * | 2009-09-11 | 2012-07-25 | 横浜ゴム株式会社 | タイヤ騒音低減装置及びそれを備えた空気入りタイヤ |
US20120325383A1 (en) * | 2011-06-24 | 2012-12-27 | Gm Global Technolofgy Operations Llc | Acoustical core for absorbing noise within a tire interior cavity |
US9302537B2 (en) | 2013-08-16 | 2016-04-05 | GM Global Technology Operations LLC | Noise suppression device for a wheel assembly |
US9090128B2 (en) | 2013-08-16 | 2015-07-28 | GM Global Technology Operations LLC | Wheel assembly for a vehicle and a method of manufacturing the wheel assembly |
JP6318515B2 (ja) * | 2013-09-24 | 2018-05-09 | 横浜ゴム株式会社 | 空気入りタイヤおよびその製造方法 |
JP6619343B2 (ja) | 2014-09-12 | 2019-12-11 | 株式会社ブリヂストン | 空気入りタイヤ |
EP3793846A4 (en) | 2018-05-15 | 2022-01-19 | Bridgestone Americas Tire Operations, LLC | PNEUMATIC WITH MULTILAYER INSERT |
CN115416433B (zh) * | 2022-09-09 | 2024-01-19 | 东风汽车集团股份有限公司 | 一种离心摆式的穿孔吸声轮胎及设计方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120509A (ja) * | 2000-10-13 | 2002-04-23 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2002085648A1 (en) * | 2001-04-19 | 2002-10-31 | Societe De Technologie Michelin | Device for attenuating cavity noise in a tire and wheel |
JP2003226104A (ja) * | 2002-02-05 | 2003-08-12 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びタイヤ空洞共鳴抑制装置 |
JP2004291905A (ja) * | 2003-03-28 | 2004-10-21 | Honda Motor Co Ltd | 車両用車輪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3695255B2 (ja) * | 1999-10-15 | 2005-09-14 | 三菱自動車工業株式会社 | 車両の車輪構造 |
JP3612059B2 (ja) * | 2002-03-05 | 2005-01-19 | 住友ゴム工業株式会社 | 空気入りタイヤとリムの組立体 |
WO2005012005A1 (ja) * | 2003-08-04 | 2005-02-10 | The Yokohama Rubber Co., Ltd. | 低騒音空気入りタイヤ |
-
2004
- 2004-01-29 JP JP2004020677A patent/JP4360468B2/ja not_active Expired - Lifetime
-
2005
- 2005-01-28 US US10/584,665 patent/US7681611B2/en active Active
- 2005-01-28 CN CN200810166368.XA patent/CN101445021B/zh active Active
- 2005-01-28 DE DE112005000209.8T patent/DE112005000209B4/de active Active
- 2005-01-28 CN CN200810166367.5A patent/CN101428529A/zh active Pending
- 2005-01-28 CN CN200810166369.4A patent/CN101407158A/zh active Pending
- 2005-01-28 WO PCT/JP2005/001233 patent/WO2005072991A1/ja active Application Filing
- 2005-01-28 CN CN200580003353.6A patent/CN100475559C/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120509A (ja) * | 2000-10-13 | 2002-04-23 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2002085648A1 (en) * | 2001-04-19 | 2002-10-31 | Societe De Technologie Michelin | Device for attenuating cavity noise in a tire and wheel |
JP2003226104A (ja) * | 2002-02-05 | 2003-08-12 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びタイヤ空洞共鳴抑制装置 |
JP2004291905A (ja) * | 2003-03-28 | 2004-10-21 | Honda Motor Co Ltd | 車両用車輪 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008038629A1 (fr) * | 2006-09-26 | 2008-04-03 | The Yokohama Rubber Co., Ltd. | Dispositif de réduction du bruit de pneu et pneu |
JPWO2008038629A1 (ja) * | 2006-09-26 | 2010-01-28 | 横浜ゴム株式会社 | タイヤ騒音低減装置及び空気入りタイヤ |
US8365782B2 (en) | 2006-09-26 | 2013-02-05 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
US8387670B2 (en) | 2006-09-26 | 2013-03-05 | The Yokohama Rubber Co., Ltd. | Tire noise reduction device and pneumatic tire |
Also Published As
Publication number | Publication date |
---|---|
DE112005000209T5 (de) | 2007-01-04 |
DE112005000209B4 (de) | 2016-05-12 |
CN101445021B (zh) | 2010-12-22 |
CN101428529A (zh) | 2009-05-13 |
US7681611B2 (en) | 2010-03-23 |
CN101407158A (zh) | 2009-04-15 |
CN100475559C (zh) | 2009-04-08 |
CN1914052A (zh) | 2007-02-14 |
CN101445021A (zh) | 2009-06-03 |
JP4360468B2 (ja) | 2009-11-11 |
JP2005212577A (ja) | 2005-08-11 |
US20090139620A1 (en) | 2009-06-04 |
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