CN101585300B - An acoustic absorbent attached to a tyre - Google Patents
An acoustic absorbent attached to a tyre Download PDFInfo
- Publication number
- CN101585300B CN101585300B CN2008101801798A CN200810180179A CN101585300B CN 101585300 B CN101585300 B CN 101585300B CN 2008101801798 A CN2008101801798 A CN 2008101801798A CN 200810180179 A CN200810180179 A CN 200810180179A CN 101585300 B CN101585300 B CN 101585300B
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- CN
- China
- Prior art keywords
- tire
- absorbent
- acoustic
- attached
- tyre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
Abstract
The invention provides an apparatus with a semi-cylindrical acoustic absorbent that has a hollow part which is attached inside a tyre positive hole for reducing resonance noise in a car tyre positive hole. The acoustic absorbent attached to the tyre is provided with a semi-cylindrical structure that made of polyurethane foam material for breaking resonance in the tyre positive hole; the above semi-cylindrical structure is attached to tyre internal room after the tyre is made, and the semi-cylindrical structure is provided with a hollow part.
Description
Technical field
The present invention relates to a kind of for reduce in the automobile tyre hole the sympathetic response noise and attached to the device of the semicircle tubular acoustic(al)absorbent in the hole of tire.
Background technology
The sonorant that occurs in the tire hole is that recently, vehicle and tiremaker improve day by day to the care of this noise from the noise of the inside generation of tire.Because this noise takes place as the sound with sharp-pointed crest in the compartment, bring unplessantness displeasure and reduce the reason of sense by bus so it becomes to chaufeur.Along with low flattening of the specification that will be installed in the tire on the vehicle and tire upgrading, the sympathetic response noise of this tire appears in one's mind out as prior problem.
In order to reduce the sympathetic response noise of this tire, disclose in the past in the inside face of tire and be provided with the technology (Korean Patent discloses 2006-0125502 number) of special cavernous body, on the wheel rim of the inside of tire or wheel, ring bodies be set so that the technology (Korean Patent disclose 2005-0102110 number) of inner space distortion or adhere to infantees etc. to reduce technology by the noise of the sympathetic response generation in tire hole at wheel surface with sound absorption qualities.
But, the inside of tire be provided with special cavernous body with sound absorption qualities or impurity attached to wheel surface on the time, not only can be because of after tire or wheel manufacturing, appending other operations and the increase expense, and be not easy tire or the wheel that depository is made.
In addition, attached to circumference on the whole the time, rolling resistance (RR:Rolling Resistance) performance that causes because of the weight increase low.
In addition, disclose inside, dispose the spherical acoustic(al)absorbent of 40～100mm, be positioned at the inside of tire and reduce the technology (a day disclosure is speciallyyed permit 2002-240507 number) of the sympathetic response noise of tire in the mode that is not fixed at tire as additive method.This technology of going into spherical acoustic(al)absorbent in the hole of tire interpolation is useful to the common PCR specification, and does not use bonding way in order to prevent heating.
But, tire size hangs down flattening and causes the inner space to dwindle recently, uses spherical acoustic(al)absorbent to become very difficult, when the state that is not fixed in inside tires rotates down, might make the alteration of form of globoid because of centnifugal force, the low and imbalance problem of tyre evenness perhaps takes place.
Summary of the invention
So, the object of the present invention is to provide a kind of easy manufacturing, do not have the excessive burden of manufacturing expense, keeping is not difficult, do not hinder tyre evenness and reduce the excellent acoustic(al)absorbent that is attached to tire of effect of the noise that the sympathetic response of tire produces.
In order to realize above-mentioned purpose, the acoustic(al)absorbent that is attached to tire of the present invention is characterised in that, the barrel-contoured structure of semicircle with polyurathamc material of the sympathetic response that is used for interdicting the tire hole, the barrel-contoured tire that is configured in of above-mentioned semicircle is made the inner space of back attached to tire, and the barrel-contoured structure of above-mentioned semicircle has hollow bulb, one side of above-mentioned acoustic(al)absorbent is formed with plat part, and the outside face of above-mentioned plat part is formed with adhesive layer.
Particularly, acoustic(al)absorbent of the present invention, preferred radius D is equivalent to 60～70% of tire height H, and length L is equivalent to 70～80% of tread of tyre width W, and preferred density is 30～40kg/cm
3
Description of drawings
Fig. 1 is the block diagram of an example of the expression acoustic(al)absorbent that is attached to tire of the present invention.
Fig. 2 is the instruction diagram that is provided with the state of acoustic(al)absorbent on tire.
Fig. 3 is the corresponding noise reduction of the ratio illustration table that accounts for the inside face of tire with acoustic(al)absorbent.
Fig. 4 is the sympathetic response noise and the contrast table of having implemented the sympathetic response noise of tire of the present invention of tire in the past.
The specific embodiment
Below, will further describe the present invention based on accompanying drawing.
The present invention is following a kind of technical scheme, that is: with mounting of tyre to wheel the time, by with on the acoustic(al)absorbent of the barrel-contoured polyurathamc material of semicircle the wheel rim attached to the inwall of the tyre surface side in the inside tires space or tire, thereby the blocking sympathetic response reduces the technical scheme of the noise of tire, and Fig. 1 has represented the block diagram of an example of the acoustic(al)absorbent that is attached to tire of the present invention.
Semicircle tubular acoustic(al)absorbent 10 of the present invention shown in Figure 1 is the semicircular cylinder columnar structure that integral body has hollow bulb 11, is formed with plat part 13 on the side, and above-mentioned plat part 13 has the adhesive layer 12 that can adhere to the double faced adhesive tape stick.
In above-mentioned structure, plat part 13 is the parts that are used to increase the payload space of adhesive layer 12, can adhere to double-faced adhesive tape at above-mentioned adhesive layer 12.When being bonded in double-faced adhesive tape on the above-mentioned adhesive layer 12, when taking off protective tapes, as shown in Figure 2, can be easily on the wheel rim 21 attached to the inwall of tire 20 or wheel on the Width with this acoustic(al)absorbent 10.Consider the rising of the internal temperature of main tire, the preferred this double-faced adhesive tape that uses on adhesive layer 12 uses the adhesive tape with the above resistance to effect of heat of 100 (Heat resistance).
With regard to the size of semicircle tubular acoustic(al)absorbent 10 of the present invention, as shown in Figure 2, preferred radius D be set at tire 20 height H 60～70%, preferred length L be set at tire 20 tread width W 70～80%.
When semicircle tubular acoustic(al)absorbent of the present invention is applicable to tire, as shown in Figure 3,, the sympathetic response noise is reduced more than the 3dB at 50% when above of the internal area that accounts for tire, reduce thereby obtain the actv. noise.
In addition, the polyurathamc of semicircle tubular acoustic(al)absorbent is 30～40kg/cm according to the aspect preferred density of sound-absorbing effect and quality
3
According to the present invention, reduction effect for the sympathetic response noise that enlarges tire, also can adhere to the semicircle tubular acoustic(al)absorbent more than 2 in the inside of a tire, at this moment, preferably each acoustic(al)absorbent is the benchmark balanced configuration at the rim surface of the inwall of tire or wheel with the center of tire.
Semicircle tubular acoustic(al)absorbent of the present invention is made extremely easily; need not increase the manufacturing expense of tire or wheel; in the time of on being arranged on tire; to take off attached to the lip-deep protective tapes of the double-faced adhesive tape of acoustic(al)absorbent, then on the wheel rim attached to the inwall of tire or wheel, not only simply but also easy; so be not difficult keeping tire and wheel; and can interdict the sympathetic response of tire, greatly reduce noise, can be described as a kind of extremely simple useful noise reducing method.
Particularly, acoustic(al)absorbent weight of the present invention is about 10～15g, therefore needn't worry to increase the weight of a lot of tires and wheel, and then also can not damage homogeneity, has the effect that the sympathetic response noise is reduced.
With acoustic(al)absorbent of the present invention (embodiment: height 70mm, length 130mm, thickness 15mm) be arranged on the applicant company goods, be on the tire of R245/45R19 specification, on the inwall attached to each tread of tyre side, implement real vehicle evaluations of travelling, from the noise analysis result of driver's seat position finding, such shown in the table of Fig. 4, can determine that when the sympathetic response noise was 205Hz, the size of sympathetic response noise had reduced about 5.2dB.
In addition, the evaluation result of homogeneity (uniformity), with adhere to before not have very big difference, obviously semicircle tubular acoustic(al)absorbent adheres to harmonic wave (Harmonic) vibration component reduction in the time of can not making the tire rotation.
Claims (3)
1. acoustic(al)absorbent that is attached to tire, it is the acoustic(al)absorbent that is attached to tire that the inner space that is attached to tire after tire is made is used for interdicting the sympathetic response in tire hole, it is characterized in that, above-mentioned acoustic(al)absorbent has the barrel-contoured structure of semicircle of polyurathamc material, and the barrel-contoured structure of above-mentioned semicircle has hollow bulb
Side at above-mentioned acoustic(al)absorbent is formed with plat part, and is formed with adhesive layer at the outside face of above-mentioned plat part.
2. the acoustic(al)absorbent that is attached to tire according to claim 1 is characterized in that,
The radius of above-mentioned acoustic(al)absorbent (D) is equivalent to 60～70% of tire height (H), and the length of above-mentioned acoustic(al)absorbent (L) is equivalent to 70～80% of tread of tyre width (W).
3. the acoustic(al)absorbent that is attached to tire according to claim 1 is characterized in that the density of above-mentioned acoustic(al)absorbent is 30～40kg/cm
3
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080046962A KR20090120911A (en) | 2008-05-21 | 2008-05-21 | Method for improving noise effect of the vehicle tire |
| KR1020080046962 | 2008-05-21 | ||
| KR10-2008-0046962 | 2008-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101585300A CN101585300A (en) | 2009-11-25 |
| CN101585300B true CN101585300B (en) | 2011-08-31 |
Family
ID=41369805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101801798A Expired - Fee Related CN101585300B (en) | 2008-05-21 | 2008-11-28 | An acoustic absorbent attached to a tyre |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20090120911A (en) |
| CN (1) | CN101585300B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6294184B2 (en) * | 2014-08-01 | 2018-03-14 | 東洋ゴム工業株式会社 | Pneumatic tire |
| KR20180048315A (en) | 2016-11-02 | 2018-05-10 | 기아자동차주식회사 | Tire for reducing cavity noise |
| TWI741200B (en) * | 2018-07-20 | 2021-10-01 | 正新橡膠工業股份有限公司 | Tire noise reduction device |
| JP7082027B2 (en) | 2018-10-16 | 2022-06-07 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Pneumatic tires |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029120A1 (en) * | 1979-11-16 | 1981-05-27 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Arrangement for reducing tyre noises |
| EP0663306B1 (en) * | 1994-01-14 | 1998-09-23 | Continental Aktiengesellschaft | Motor vehicle wheel |
| EP0911185A2 (en) * | 1997-10-22 | 1999-04-28 | Continental Aktiengesellschaft | Motor-vehicle wheel with a tyre mounted on a rim and a sound-absorbing device, and method of manufacturing such a device |
| EP0956980A2 (en) * | 1998-05-08 | 1999-11-17 | Continental Aktiengesellschaft | Motor-vehicle wheel |
| CN1826235A (en) * | 2003-08-04 | 2006-08-30 | 横滨橡胶株式会社 | Low noise pneumatic tire |
-
2008
- 2008-05-21 KR KR1020080046962A patent/KR20090120911A/en active Search and Examination
- 2008-11-28 CN CN2008101801798A patent/CN101585300B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029120A1 (en) * | 1979-11-16 | 1981-05-27 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Arrangement for reducing tyre noises |
| EP0663306B1 (en) * | 1994-01-14 | 1998-09-23 | Continental Aktiengesellschaft | Motor vehicle wheel |
| EP0911185A2 (en) * | 1997-10-22 | 1999-04-28 | Continental Aktiengesellschaft | Motor-vehicle wheel with a tyre mounted on a rim and a sound-absorbing device, and method of manufacturing such a device |
| EP0956980A2 (en) * | 1998-05-08 | 1999-11-17 | Continental Aktiengesellschaft | Motor-vehicle wheel |
| CN1826235A (en) * | 2003-08-04 | 2006-08-30 | 横滨橡胶株式会社 | Low noise pneumatic tire |
Non-Patent Citations (2)
| Title |
|---|
| JP昭63-291708A 1988.11.29 |
| JP特开2002-178727A 2002.06.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101585300A (en) | 2009-11-25 |
| KR20090120911A (en) | 2009-11-25 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20110831 Termination date: 20141128 |
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