KR20010001251A - Pneumatic tire having improved noise - Google Patents

Pneumatic tire having improved noise Download PDF

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Publication number
KR20010001251A
KR20010001251A KR1019990020346A KR19990020346A KR20010001251A KR 20010001251 A KR20010001251 A KR 20010001251A KR 1019990020346 A KR1019990020346 A KR 1019990020346A KR 19990020346 A KR19990020346 A KR 19990020346A KR 20010001251 A KR20010001251 A KR 20010001251A
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KR
South Korea
Prior art keywords
groove
noise
grooves
tire
present
Prior art date
Application number
KR1019990020346A
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Korean (ko)
Inventor
노동관
Original Assignee
조충환
한국타이어 주식회사
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Filing date
Publication date
Application filed by 조충환, 한국타이어 주식회사 filed Critical 조충환
Priority to KR1019990020346A priority Critical patent/KR20010001251A/en
Publication of KR20010001251A publication Critical patent/KR20010001251A/en

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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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • 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
    • 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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C2011/133—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising recesses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

PURPOSE: A pneumatic tire reducing a noise is provided to reduce a pumping noise resulted when the air compressed between a road and a tread surface rapidly discharges into the outside of a tire through lateral grooves formed in the shoulder part. CONSTITUTION: The frequency caused by the resonance is dispersed by forming irregularly spaces(20) between grooves(2) and furrows are formed on a bottom face(22) and a 12.side wall(21) of a groove, so that the noise level is lowered.

Description

소음 성능을 향상시킨 공기입 타이어 {Pneumatic tire having improved noise}Pneumatic tire having improved noise

본 발명은 소음 성능을 향상시킨 공기입 타이어에 관한 것으로서, 더욱 상세하게는 노면과 타이어의 트래드면과의 사이에서 압축된 공기가 숄더부에 형성되는 횡그루브를 통하여 타이어의 외측으로 급속하게 배출되면서 발생시키는 펌핑노이즈를 절감시킬 수 있게 하는 소음 성능을 향상시킨 공기입 타이어에 관한 것이다.The present invention relates to a pneumatic tire having improved noise performance, and more particularly, the compressed air between the road surface and the tread surface of the tire is rapidly discharged to the outside of the tire through a lateral groove formed in the shoulder portion The present invention relates to a pneumatic tire having improved noise performance that can reduce the pumping noise generated.

옛날에는 도로의 포장율이 낮고 더구나 고속도로가 없던 때에는 타이어의 소음이 그다지 문제되지 않아 트럭용에는 경제적인 러그 타입의 트레드 모양이 전성기를 이루었다. 지금에 이르러 도로의 포장율이 나아지고 차량 수도 증가됨에 따라 차량의 소음 공해가 큰 문제가 되고 있다.In the past, the pavement of roads was low, and even when there was no highway, the noise of tires was not so much a problem. As the road pavement improves and the number of vehicles increases, noise pollution of vehicles becomes a big problem.

이러한 타이어의 소음은 첨부된 도면 도 1 및 도 2 에 도시되는 바와 같이, 타이어의 트래드면(1)이 노면과 접하여지면서 그루브(2)가 하나의 공간(20)을 형성시키게 되면서 그루브(2)의 내부로 유입된 공기가 그루브(2)의 내부공간(20)에 의해 공명되고, 이 공기가 지면과 접촉되면서 눌려지는 그루브(2) 벽면(21)의 볼륨에 의해 압축되었다가 그루브(2)가 지면으로부터 이격될때 압축된 공기가 트래드(1)면에 형성된 종그루브와 횡그루브를 통하여 타이어의 측면 방향으로 급속하게 배출되면서 펌핑작용에 의해 발생되는 것이다.The noise of such a tire is as shown in FIGS. 1 and 2, while the groove 2 forms one space 20 while the tread surface 1 of the tire is in contact with the road surface. The air flowing into the inside of the groove is resonated by the internal space 20 of the groove 2, and the air is compressed by the volume of the wall surface 21 of the groove 2, which is pressed while contacting the ground, and then the groove 2 When the air is spaced apart from the ground, the compressed air is rapidly discharged in the lateral direction of the tire through the longitudinal grooves and the horizontal grooves formed on the tread 1 surface, and is generated by the pumping action.

본 발명은 전술한 문제점을 해결하기 위해 안출된 것으로서, 본 발명은 트래드면에 형성되는 그루브의 구조를 개량하여 그루브내에서의 공명현상과 에어펌핑에 의해 발생되는 소음의 크기와 주파수 특성을 변화시켜 소음을 절감시킬 수 있게 하는 소음 성능을 향상시킨 공기입 타이어를 제공함에 그 목적이 있다.The present invention has been made to solve the above-described problems, the present invention improves the structure of the groove formed on the tread surface to change the magnitude and frequency characteristics of the noise generated by the resonance and air pumping in the groove It is an object of the present invention to provide a pneumatic tire with improved noise performance, which makes it possible to reduce noise.

본 발명은 상기와 같은 목적을 달성하기 위하여 다음과 같이 구성된다. 즉, 본 발명은 타이어의 트래드면에 다수의 그루브가 형성되는 것에 있어서, 상기 그루브의 내부공간을 불규칙하게 형성시켜 공명에 의한 주파수를 분산시키고, 전체적인 소음의 음압레벨을 저하시킬 수 있게 구성되는 것에 특징을 둔 것이다.The present invention is configured as follows to achieve the above object. That is, in the present invention, a plurality of grooves are formed on the tread surface of the tire, and the internal spaces of the grooves are irregularly formed so as to disperse the frequency due to resonance and to reduce the sound pressure level of the overall noise. It is characteristic.

도 1 은 일반적인 공기입 타이어의 트래드부를 도시한 평면도1 is a plan view showing a tread portion of a general pneumatic tire

도 2 의 (A)(B)는 종래에 있어서의 타이어를 도시한 발췌 단면도와 그루브 공간을 도시한 사시도.Fig. 2 (A) and (B) are perspective views showing an excerpt sectional view and groove space showing a tire in the related art.

도 3 은 본 발명에 따른 그루브를 도시한 사시도3 is a perspective view showing a groove according to the present invention;

도 4 는 본 발명의 다른 실시 예를 도시한 사시도4 is a perspective view showing another embodiment of the present invention

도 5 는 본 발명의 또 다른 실시 예를 도시한 사시도5 is a perspective view showing another embodiment of the present invention

도 6 은 본 발명에 따른 타이어의 소음측정 결과를 나타낸 그리프6 is a gripping showing the noise measurement results of the tire according to the invention

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 실시 예를 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention;

첨부된 도면 도 3 은 본 발명에 따른 그루브를 도시한 사시도이다.3 is a perspective view showing a groove according to the present invention.

도 3 에 도시되는 바와 같이, 본 발명은 타이어의 트래드면(1)에 다수의 그루브(2)가 형성되는 것에 있어서, 상기 그루브(2)의 내부공간(20)을 불규칙하게 형성시켜 공명에 의한 주파수를 분산시키고, 전체적인 소음의 음압레벨을 저하시킬 수 있게 구성되는 것으로서, 내부공간(20)을 불규칙하게 형성시킴에 있어서는 그루브(2)의 바닥면(22)에 다수의 홈(23)을 형성시켜 구성되는 것이다.As shown in FIG. 3, in the present invention, a plurality of grooves 2 are formed on the tread surface 1 of the tire, and the internal space 20 of the grooves 2 is irregularly formed to cause resonance. It is configured to disperse the frequency and lower the sound pressure level of the overall noise. In forming the internal space 20 irregularly, a plurality of grooves 23 are formed in the bottom surface 22 of the groove 2. It is configured by.

상기 홈(23)의 깊이(d1)는 그루브깊이(D)의 10 내지 25%의 범위 내에서 형성시킨다.The depth d1 of the groove 23 is formed in the range of 10 to 25% of the groove depth D.

홈(23)의 깊이(d1)를 그루브 깊이(D)의 10% 이하로 형성시키는 경우에는 소음절감 효과가 명확하지 않으며, 25% 이상으로 형성시키는 경우에는 언더트래드에 손상을 끼칠 염려가 있다.When the depth d1 of the groove 23 is formed at 10% or less of the groove depth D, the noise reduction effect is not clear. When the depth d1 of the groove 23 is formed at 25% or more, there is a risk of damaging the underrad.

그리고 첨부된 도면 도 4 는 본 발명의 다른 실시 예를 도시한 사시도로써, 그루브(2)의 일측벽(21)에 홈(24)을 형성시켜 구성된 것이다.4 is a perspective view showing another embodiment of the present invention, in which a groove 24 is formed in one side wall 21 of the groove 2.

이때 상기 측벽(21)에 형성되는 홈(24)의 깊이(d2)는 그루브폭(W)의 30% 범위 내에서 형성시킨다.At this time, the depth d2 of the groove 24 formed in the side wall 21 is formed within 30% of the groove width W.

도 5 는 본 발명의 또 다른 실시 예를 도시한 사시도로써 그루브(2)의 바닥면(22)과 그루브의 측벽(21) 모두에 각각의 홈(23)(24)을 형성시켜 구성된 것이다.FIG. 5 is a perspective view illustrating another embodiment of the present invention, in which grooves 23 and 24 are formed on both the bottom surface 22 of the groove 2 and the side wall 21 of the groove.

이와 같이 구성되는 본 발명은 첨부된 도면 도 6 에 나타난 바와 같이, 타이어의 회전 주행에 의해 그루브가 지면과 접촉되어 형성되는 그루브(2) 공간(20)으로 인해 불가피하게 발생하는 일정 주파수 대역의 공명현상이 그루브(2)의 바닥면(22)과 측벽(21)에 형성된 각각의 홈(23)(24)에 의해 그 주파수 특성을 분산시켜 소음 레벨을 저하시킬 수 있게 된다.As described above, the present invention constituted as shown in FIG. 6 includes resonance of a predetermined frequency band inevitably caused by the groove 2 space 20 formed by contacting the ground with the groove by rotating the tire. The phenomenon is distributed by the respective grooves 23 and 24 formed in the bottom surface 22 and the side wall 21 of the groove 2, so that the noise level can be reduced.

본 발명은 전술한 실시 예에 한정되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수가 있다.The present invention is not limited to the above embodiments, and various modifications can be made within the scope allowed by the technical idea of the present invention.

이상에서와 같이 본 발명에 따르면 트래드면에 형성되는 그루브의 내부 공간에 소음의 주파수 대역을 변화시키는 홈을 형성시킴에 따라 그루브내에서의 공명현상과 에어펌핑에 의해 발생되는 소음의 크기와 주파수 특성을 변화시켜 소음을 절감시킬 수 있는 효과가 있는 것이다.As described above, according to the present invention, the size and frequency characteristics of the noise generated by the resonance phenomenon and the air pumping in the groove are formed by forming a groove for changing the frequency band of the noise in the internal space of the groove formed on the tread surface. The effect is to change the noise to reduce the noise.

Claims (1)

타이어의 트래드면(1)에 다수의 그루브(2)가 형성되는 것에 있어서, 상기 그루브(2)의 내부공간(20)을 불규칙하게 형성시켜 공명에 의한 주파수를 분산시키고, 전체적인 소음의 음압레벨을 저하시킬 수 있게 구성되는 것으로서, 그루브(2)의 바닥면(22)과 그루브의 측벽(21) 모두에 각각의 홈(23)(24)을 형성시켜 구성되는 것을 특징으로 하는 소음 성능을 향상시킨 공기입 타이어.In the formation of a plurality of grooves 2 on the tread surface 1 of the tire, the internal space 20 of the grooves 2 is irregularly formed to disperse the frequency due to resonance, and to reduce the sound pressure level of the overall noise. It is configured to be reduced, and each of the grooves 23 and 24 is formed on both the bottom surface 22 of the groove 2 and the side wall 21 of the groove, thereby improving the noise performance. Pneumatic tires.
KR1019990020346A 1999-06-03 1999-06-03 Pneumatic tire having improved noise KR20010001251A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100651601B1 (en) * 2005-12-15 2006-11-30 넥센타이어 주식회사 Method outputting tire pattern noise using aerodynamic mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238502A (en) * 1985-04-15 1986-10-23 Bridgestone Corp Tread used for recap
JPH01275203A (en) * 1988-04-28 1989-11-02 Yokohama Rubber Co Ltd:The Pneumatic tire
JPH04334606A (en) * 1991-05-09 1992-11-20 Bridgestone Corp Pneumatic tire
KR970015059A (en) * 1995-09-05 1997-04-28 홍건희 Low noise tire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238502A (en) * 1985-04-15 1986-10-23 Bridgestone Corp Tread used for recap
JPH01275203A (en) * 1988-04-28 1989-11-02 Yokohama Rubber Co Ltd:The Pneumatic tire
JPH04334606A (en) * 1991-05-09 1992-11-20 Bridgestone Corp Pneumatic tire
KR970015059A (en) * 1995-09-05 1997-04-28 홍건희 Low noise tire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100651601B1 (en) * 2005-12-15 2006-11-30 넥센타이어 주식회사 Method outputting tire pattern noise using aerodynamic mechanism

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