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1. 发明专利

JP2015059922A タイヤの接地面の解析方法、タイヤ特性予測方法及びプログラム审中-公开
标题翻译：轮胎接地面分析方法，轮胎性质预测方法及程序
公开(公告)号：JP2015059922A
公开(公告)日：2015-03-30
申请号：JP2013195955
申请日：2013-09-20
申请人：横浜ゴム株式会社 , Yokohama Rubber Co Ltd:The
发明人： MIYASHITA NAOSHI , SHINODA ZENICHIRO
IPC分类号： G01M17/02 , B60C19/00
摘要：【課題】タイヤの接地面の解析を接地面画像を用いて行うとき、短時間に接地面内のトレッド部の有するブロック剛性の情報を算出する。【解決手段】タイヤの接地面の解析を接地面画像を用いて行うとき、タイヤの接地面のデジタル画像である接地面画像を取得する。この後、取得した接地面画像を解析対象画像として用いて、前記解析対象画像のトレッド部の接地部分を表す実接地領域から、前記実接地領域の他にタイヤのトレッド部の溝の領域を含んだ総接地領域を決定する。この後、前記総接地領域において、前記解析対象画像の画素配列方向に直線状に延びる画素列で構成された複数の直線を用いて前記実接地領域を特定することにより、前記タイヤのトレッド部のブロック剛性の情報を算出する。【選択図】図3
摘要翻译：要解决的问题：为了在通过使用接地面图像分析轮胎的接地面时计算出在短时间内在地面中的胎面部的块刚度的信息。解决方案：分析接地面的接地面的方法通过使用接地面图像的轮胎包括以下步骤：获取作为轮胎的接地面的数字图像的接地面图像; 通过使用所获取的接地面图像作为分析对象图像，确定包括表示分析对象图像中的胎面部的接地部的实际接地面积和轮胎的胎面部的槽的面积的总接地面积除了实际接地面积外; 通过使用包括在分析对象图像中的像素排列方向上线性延伸的像素列的多条直线来指定总接地区域中的实际接地面积，以计算关于轮胎的胎面部分的块刚度的信息。

2. 发明专利

JP2012091733A Pneumatic tire 有权
标题翻译：气动轮胎
公开(公告)号：JP2012091733A
公开(公告)日：2012-05-17
申请号：JP2010242362
申请日：2010-10-28
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KUBOTA MASATAKE , SHINODA ZENICHIRO
IPC分类号： B60C11/00 , B60C11/01 , B60C11/04 , B60C11/13
摘要： PROBLEM TO BE SOLVED: To provide a pneumatic tire that improves abrasion resistance of the center area while maintaining abrasion resistance of the shoulder area under a high internal pressure.SOLUTION: In the pneumatic tire 1, an angle θ falls within the range of 0.025×β+1.0≤θ≤0.045×β+2.5; the ratio Rc/Rs between a curvature radius Rc of the center area and a curvature radius Rs of the shoulder area falls within the range of 10≤Rc/Rs≤50; and the ratio L/(TDW/2) between a reference development width L and a tread development half-width TDW/2 falls within the range of 0.2≤L/(TDW/2)≤0.7. Additionally, a maximum groove width dc of a groove formed in the center area and a maximum groove width ds of a groove formed in the shoulder area satisfy 1.2 [mm]≤dc/ds≤2.0 [mm].
摘要翻译：要解决的问题：提供一种在保持高内压下的肩部区域的耐磨性的同时提高中心区域的耐磨性的充气轮胎。解决方案：在充气轮胎1中，角度θ落在0.025×β+1.0≤θ≤0.045×β+ 2.5的范围内; 中心区域的曲率半径Rc与肩部区域的曲率半径Rs之间的比Rc / Rs落在10≤Rc/Rs≤50的范围内; 参考显影宽度L和胎面显影半宽度TDW / 2之间的比率L /（TDW / 2）落在0.2≤L/（TDW / 2）≤0.7的范围内。此外，形成在中心区域的槽的最大槽宽度dc和形成在肩部区域中的槽的最大槽宽度ds满足1.2 [mm]≤dc/ds≤2.0[mm]。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2005263070A Forming method of abraded tire model, computer program for formation of abraded tire model, performance prediction method of abraded tire and abraded tire model 有权
标题翻译：轮胎模型的形成方法，形成轮胎模型的计算机程序，轮胎轮胎和轮胎轮胎模型的性能预测方法
公开(公告)号：JP2005263070A
公开(公告)日：2005-09-29
申请号：JP2004080023
申请日：2004-03-19
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： SHINODA ZENICHIRO
IPC分类号： B60C19/00 , B60C11/24 , G06F17/50
摘要： PROBLEM TO BE SOLVED: To predict an abraded form of a tire and the performance of the abraded tire efficiently with high precision. SOLUTION: An initial tire model is firstly formed (step S101), and a representative service condition under which the abraded tire model to be formed is estimated to be experienced is set (step S102). Thereafter, the initial tire model is rolled and analyzed under this service condition (step S103), and frictional energy per unit area in a tread grounding area of the initial tire model is found (step S104). Then, an abraded quantity at an optional position on the tread surface of the initial tire model is set and an abraded quantity at the other position is decided from a percentage of frictional energy at an optional position and frictional energy at the other position on the tread surface. Thereafter, the abraded tire model is formed (step S109) by changing a tread shape by moving the tread surface by the decided abraded quantity (step S108). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：以高精度有效地预测轮胎的磨损形式和磨损轮胎的性能。首先形成初始轮胎模型（步骤S101），并且设定要预测要形成的磨损轮胎模型的代表性服务条件（步骤S102）。此后，在该服务条件下滚动和分析初始轮胎模型（步骤S103），并且找到初始轮胎模型的胎面接地区域中的每单位面积的摩擦能（步骤S104）。然后，设定在初始轮胎模型的胎面上的可选位置处的磨损量，并且在另一位置处的磨损量由可选位置处的摩擦能量的百分比和胎面上的另一位置处的摩擦能量决定表面。此后，通过使踏面移动确定的磨损量来改变胎面形状（步骤S108），形成磨损轮胎模型（步骤S109）（步骤S108）。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004034885A Tire with tread pattern, design method for tire with tread pattern, and manufacturing method for tire with tread pattern 有权
公开(公告)号：JP2004034885A
公开(公告)日：2004-02-05
申请号：JP2002197005
申请日：2002-07-05
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KOGURE TOMOHIKO , KUWAJIMA MASATOSHI , KATSURA NAOYUKI , SHINODA ZENICHIRO
IPC分类号： B60C11/03
摘要： PROBLEM TO BE SOLVED: To suppress pattern noise generated during the rolling of a tire with a tread pattern in which a plurality of kinds of pattern elements are arranged adjacent to each other along the whole periphery in the peripheral direction of the tire in at least a partial tire tread part to form a pattern design row. SOLUTION: When grounding length in grounding condition specified by JATMA is L, a position on the pattern design row D apart from a start end S i of the pattern element P i in the pattern design row D by distance equivalent to reference length L is a corresponding position X j , and the pattern element to which the corresponding position X j belongs is a corresponding pattern element P j , at least either of pitch lngth of the pattern element P i in the pattern design row D and arrangement order of the pattern element P i is adjusted so that the corresponding position X j approaches the vicinity of the center of the corresponding pattern element P j. COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2013237364A Simulation method for tire, computer program for simulation of tire, and simulation device for tire 有权
标题翻译：轮胎模拟方法，模拟轮胎的计算机程序，轮胎模拟装置
公开(公告)号：JP2013237364A
公开(公告)日：2013-11-28
申请号：JP2012111901
申请日：2012-05-15
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： SHINODA ZENICHIRO
IPC分类号： B60C19/00 , G01M17/02 , G06F17/50
摘要： PROBLEM TO BE SOLVED: To improve accuracy in simulation of a tire while easily modeling a tire.SOLUTION: A simulation device 50 for a tire creates a tire model by dividing a tire being a simulation object into a finite number of elements, sets a characteristic value of a model of a reinforcing cord that constitutes a model of a cord layer possessed by the tire model, and executes simulation through the use of the tire model on the basis of the set characteristic value. Upon setting the characteristic value, the simulation device obtains an object variable that corresponds to at least one of representative positions of the plurality of elements constituting the model of the reinforcing cord, on the basis of an approximation formula indicating the relationship between object variables corresponding to the characteristics of the reinforcing cord and positions in a tire width direction, and sets the obtained object variable as a characteristic in the representative position.
摘要翻译：要解决的问题：为了提高轮胎的模拟精度，同时容易地对轮胎建模。解决方案：轮胎的模拟装置50通过将模拟对象的轮胎分成有限数量的元素来形成轮胎模型，构成轮胎模型所具有的帘线层的型号的增强帘线的型号的值，并且基于设定的特性值，通过使用轮胎模型来执行模拟。在设置特征值时，仿真装置基于表示与对应于所述加强帘线的模型对应的对象变量之间的关系的近似式，获得对应于构成加强帘线的模型的多个要素的代表性位置中的至少一个的对象变量增强帘线的特性和轮胎宽度方向上的位置，并将获得的物体变量设定为代表性位置的特征。

6. 发明专利

JP2013216113A Pneumatic tire 有权
标题翻译：气动轮胎
公开(公告)号：JP2013216113A
公开(公告)日：2013-10-24
申请号：JP2012085505
申请日：2012-04-04
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KUBOTA MASATAKE , SHINODA ZENICHIRO
IPC分类号： B60C11/00 , B60C9/22
摘要： PROBLEM TO BE SOLVED: To improve wear resistance of a tread surface.SOLUTION: An intersection of extensions of a shoulder-side arc 21b and a side section arc 21d of a tread surface 21 is determined as a reference point P. An angle θ between a straight line A that connects the reference point with a center crown CC for an aspect ratio β, and a straight line B in the tire width direction, passing through the center crown, satisfies 0.02xβ+0.4≤θ≤0.035xβ+1.7. A relationship between a radius of curvature Rc of a central arc 21a and a radius of curvature Rs of the shoulder-side arc satisfies 12≤Rc/Rs≤30. A relationship between a reference development width L and a tread development width TDW from a tire equatorial plane CL to an inner end in the tire width direction of the shoulder-side arc satisfies 0.2≤L/(TDW/2)≤0.7. A belt reinforcement layer 8 that is formed radially outside of at least an outer end in both-tire width direction of a belt layer 7 and has a cord arranged along the tire peripheral direction is disposed within 10% of the tread development width TDW/2 on both lateral sides from a position where a normal line S of the tread surface passing through the reference point P crosses.
摘要翻译：要解决的问题：提高胎面表面的耐磨性。解决方案：胎面表面21的肩侧弧21b和侧部弧21d的延伸部的交点被确定为参考点P.角度＆在连接参考点的直线A与长宽比＆bgr的中心冠CC之间，通过中心冠的轮胎宽度方向上的直线B满足0.02x＆bgr +0.4≤＆Theta;≤0.035 x＆bgr; +1.7。中心弧21a的曲率半径Rc与肩侧弧的曲率半径Rs的关系满足12≤Rc/Rs≤30。从轮胎赤道面CL到胎肩侧弧的轮胎宽度方向的内端的基准展开宽度L和胎面展开宽度TDW之间的关系满足0.2≤L/（TDW / 2）≤0.7。在带束层7的两轮胎宽度方向的至少外侧的径向外侧形成有具有沿轮胎周向配置的帘线的带束层加强层8设置在胎面显影宽度TDW / 2的10％以内在通过基准点P的胎面表面的法线S交叉的位置的两侧。

7. 发明专利

JP2012091736A Pneumatic tire 有权
标题翻译：气动轮胎
公开(公告)号：JP2012091736A
公开(公告)日：2012-05-17
申请号：JP2010242365
申请日：2010-10-28
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： FUJII TAKASHI , SHINODA ZENICHIRO
IPC分类号： B60C11/03 , B60C11/00 , B60C11/04
CPC分类号： Y02T10/862
摘要： PROBLEM TO BE SOLVED: To reduce rolling resistance and improve center wear resistance and pass-by noise.SOLUTION: When an intersection between lines extended from a shoulder-side arc 21b and a side-part arc 21d is a reference point P, the following conditions are satisfied: 0.025×β+1.0≤θ≤0.045×β+2.5, wherein θ is an angle between a straight line A connecting the reference point and a center crown CC and a straight line B passing the center crown in a tire width direction, with respect to an aspect ratio β; 10≤Rc/Rs≤50, wherein Rc is a curvature radius Rc of a center-part arc 21a, and Rs is a curvature radius of the shoulder-side arc; 0.2≤L/(TDW/2)≤0.7, wherein L is a reference expansion width from a tire equatorial plane CL to an inner end of the shoulder-side arc in a tire width direction, and TDW is a tread expansion width; 12 [%]≤GR≤25 [%], wherein GR is a groove area ratio in a grounding region of a tread face; and GCR
摘要翻译：要解决的问题：降低滚动阻力，提高中心耐磨性和通过噪声。解决方案：当从肩侧弧21b和侧面弧21d延伸的线之间的交点是基准点P时，满足以下条件：0.025×β+1.0≤θ≤0.045×β+ 2.5 其中θ是相对于纵横比β，在连接基准点的直线A与中心冠CC之间的角度和通过轮胎宽度方向上的中心冠的直线B之间的角度; 10≤Rc/Rs≤50，其中Rc是中心部分弧21a的曲率半径Rc，Rs是肩侧弧的曲率半径; 0.2≤L/（TDW / 2）≤0.7，其中L是从轮胎赤道面CL到轮胎宽度方向上的胎肩侧弧的内端的参考膨胀宽度，TDW是胎面膨胀宽度; 12 [％]≤GR≤25[％]，其中GR是胎面的接地区域中的槽面积比; 和GCR

8. 发明专利

JP2011133272A Air leakproof performance simulation testing method for pneumatic tire, computer program for air leakproof performance simulation of pneumatic tire, and air leakproof performance simulation testing machine of pneumatic tire 有权
标题翻译：气动轮胎的空气泄漏性能模拟试验方法，气动轮胎空气泄漏性能模拟计算机程序和气动轮胎的空气泄漏性能模拟试验机
公开(公告)号：JP2011133272A
公开(公告)日：2011-07-07
申请号：JP2009291332
申请日：2009-12-22
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： MATSUDA ATSUSHI , SHINODA ZENICHIRO
IPC分类号： G01M17/02 , G01M3/00
摘要： PROBLEM TO BE SOLVED: To shorten the time required for air leakproof performance test of a pneumatic tire. SOLUTION: The air leakproof performance simulation testing method for pneumatic tire includes forming a finite element model which divides and expresses a pneumatic tire by two or more elements; calculating an air amount which transmits each element per time, based on an air transmission factor which indicates air permeability to each element, when air transmits each element of the finite element model extracting an air transmission amount AFLi per unit time which transmits each of two or more elements ELo, on the outer surface of the finite element model of the pneumatic tire among an information group of air amount per time which transmits each element; and computing an air transmission amount AFL per unit time which leaks from the outer surface, by summing the air transmission amount AFLi per unit time for all the elements ELo on the outer surface. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：缩短充气轮胎的防漏性能试验所需的时间。解决方案：充气轮胎的防漏性能模拟试验方法包括形成有限元模型，该模型用两个或多个元素分割充气轮胎，当空气传输每单位时间提取空气传输量AFLi的有限元模型的每个元素时，基于指示每个元件的透气度的空气传播系数来计算每次每次传送每个元件的空气量，在每个传送每个元件的每个时间的空气量的信息组中，更多的元件ELo在充气轮胎的有限元模型的外表面上; 并且计算从外表面泄漏的每单位时间的空气传输量AFL，通过将外表面上的所有元件ELo的每单位时间的空气传输量AFLi相加。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011106930A Method of displaying analysis information, computer program for displaying analysis information, and analysis information display device 审中-公开
标题翻译：显示分析信息的方法，用于显示分析信息的计算机程序和分析信息显示装置
公开(公告)号：JP2011106930A
公开(公告)日：2011-06-02
申请号：JP2009261355
申请日：2009-11-16
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KODAMA YUJI , SHINODA ZENICHIRO
IPC分类号： G01M17/02 , B60C19/00
摘要： PROBLEM TO BE SOLVED: To display an analysis result of a cross section of a structural body in an easy-to-understand manner in the analysis of the structural body by using a computer.
SOLUTION: First, a tire is divided into a plurality of elements formed of a plurality of nodal points so as to form a tire model (step ST1). Next, the analysis of the tire model is performed by using a computer (step ST2). A physical quantity to be displayed on a display means is set (step ST3). The computer performs the display processing of displaying the physical quantity on the display means (step ST4). In the display processing, the computer acquires a physical quantity of a cross section of the tire model to be displayed on the display means from an analysis model of which the analysis is completed. The computer transfers the acquired physical quantity to a transfer model formed from a meridional cross section shape of the tire model on the basis of a set transfer condition and displays the transfer model after the transferring on the display means.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过使用计算机在结构体的分析中以易于理解的方式显示结构体的横截面的分析结果。解决方案：首先，将轮胎分割成由多个节点形成的多个元件，以形成轮胎模型（步骤ST1）。接着，使用计算机进行轮胎模型的分析（步骤ST2）。设置要在显示装置上显示的物理量（步骤ST3）。计算机执行在显示装置上显示物理量的显示处理（步骤ST4）。在显示处理中，计算机从分析完成的分析模型中获取要在显示装置上显示的轮胎模型的横截面的物理量。计算机基于设定的传送条件将所获取的物理量传送到由轮胎模型的子午线截面形状形成的传送模型，并且在传送之后在显示装置上显示传送模型。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2011057068A Pneumatic tire 审中-公开
标题翻译：气动轮胎
公开(公告)号：JP2011057068A
公开(公告)日：2011-03-24
申请号：JP2009208294
申请日：2009-09-09
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KURIYAMA MASATOSHI , SHINODA ZENICHIRO
IPC分类号： B60C9/08 , B60C13/00 , B60C17/00
摘要： PROBLEM TO BE SOLVED: To provide a pneumatic tire which improves rolling resistance without reducing driving stability and external flaw resistance. SOLUTION: In a section of a tire meridian in a non-load state where the pneumatic tire is mounted to an authorized rim and filled with air pressure corresponding to 5% of standard air pressure, a height CH in a tire diameter direction at a maximum width position A' of an innermost carcass line is 0.45-0.55 times of a tire cross section height SH, a pinching angle θ at the maximum width position A' of the innermost carcass line is >110° and ≤140°, and a development width TDW of a tread part 1 is 0.70-0.90 times of a tire maximum width SW. An average rubber gage GA of a sidewall part of an intermediate area 2A is 1.0-2.0 mm, the average rubber gage GC of the sidewall part of a shoulder-side area 2C is 2.0-4.0 mm and the average rubber gage GB of the sidewall part of a bead-side area 2B is 2.0-4.0 mm. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种在不降低行驶稳定性和外部防裂性的情况下提高滚动阻力的充气轮胎。解决方案：在非负载状态的轮胎子午线的一部分中，其中充气轮胎安装到授权轮辋并且填充相当于标准气压的5％的空气压力，轮胎直径方向上的高度CH 在最内侧胎体线的最大宽度位置A'为轮胎横截面高度SH的0.45〜0.55倍时，最内侧胎体线的最大宽度位置A'的夹紧角度θ> 110°，≤140°，并且胎面部1的显影宽度TDW为轮胎最大宽度SW的0.70-0.90倍。中间区域2A的侧壁部的平均橡胶规格GA为1.0〜2.0mm，胎肩侧区域2C的侧壁部的平均橡胶规格GC为2.0〜4.0mm，侧壁的平均橡胶规格GB 胎圈侧区域2B的一部分为2.0〜4.0mm。版权所有（C）2011，JPO＆INPIT

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