公开(公告)号：US08726724B2

公开(公告)日：2014-05-20

申请号：US13483695

申请日：2012-05-30

申请人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

发明人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

IPC分类号： G01M17/02 ,  G08B21/00 ,  G06F19/00

CPC分类号： B60C23/062 ,  B60C23/061

摘要： A system detects deflated tires based on a resonance frequency of tires with a vehicle and a relative comparison value of rotation speeds of the tires. The system includes: a rotation information detection means for detecting rotation information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; a resonance frequency assumption means for assuming a resonance frequency of the tires; and a determination means for detection of deflated tires using a decreased pressure determination index calculated by a relative comparison of the rotation speeds of the tires and the resonance frequency. The determination means is so configured as to reduce the second threshold to be compared with the decreased pressure determination index to a value equal to or higher than 1% and equal to or lower than 90% and to detect deflated tires when the decreased pressure determination index exceeds the reduced threshold.

摘要翻译： 系统基于轮胎与车辆的共振频率和轮胎的转速的相对比较值来检测放气轮胎。 该系统包括：用于检测轮胎的旋转信息的旋转信息检测装置; 用于计算轮胎的转速的转速计算装置; 用于假设轮胎的共振频率的共振频率假设装置; 以及确定装置，用于使用通过轮胎的转速和共振频率的相对比较计算的减小的压力确定指标来检测放气轮胎。 确定装置被配置为将要与减小的压力确定指数进行比较的第二阈值减小到等于或高于1％且等于或低于90％的值，并且当减小的压力确定指数 超过降低阈值。

公开(公告)号：US20120304754A1

公开(公告)日：2012-12-06

申请号：US13483695

申请日：2012-05-30

申请人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

发明人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

IPC分类号： G01M17/02

CPC分类号： B60C23/062 ,  B60C23/061

摘要： A system detects deflated tires based on a resonance frequency of tires with a vehicle and a relative comparison value of rotation speeds of the tires. The system includes: a rotation information detection means for detecting rotation information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; a resonance frequency assumption means for assuming a resonance frequency of the tires; and a determination means for detection of deflated tires using a decreased pressure determination index calculated by a relative comparison of the rotation speeds of the tires and the resonance frequency. The determination means is so configured as to reduce the second threshold to be compared with the decreased pressure determination index to a value equal to or higher than 1% and equal to or lower than 90% and to detect deflated tires when the decreased pressure determination index exceeds the reduced threshold.

摘要翻译： 系统基于轮胎与车辆的共振频率和轮胎的转速的相对比较值来检测放气轮胎。 该系统包括：用于检测轮胎的旋转信息的旋转信息检测装置; 用于计算轮胎的转速的转速计算装置; 用于假设轮胎的共振频率的共振频率假设装置; 以及确定装置，用于使用通过轮胎的转速和共振频率的相对比较计算的减小的压力确定指标来检测放气轮胎。 确定装置被配置为将要与减小的压力确定指数进行比较的第二阈值减小到等于或高于1％且等于或低于90％的值，并且当减小的压力确定指数 超过降低阈值。

公开(公告)号：US20120310590A1

公开(公告)日：2012-12-06

申请号：US13486388

申请日：2012-06-01

申请人： Minao YANASE ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

发明人： Minao YANASE ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

IPC分类号： G06F15/00

CPC分类号： B60C23/061

摘要： A system for detecting deflated tires by making a relative comparison among rotation speeds of tires attached to a vehicle. The system includes a rotation speed information detection means for detecting rotation speed information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; and a determination means for determining deflated tires by comparing a decreased pressure determination value using the calculated rotation speeds with a predetermined threshold value. The determination means determines that the vehicle is going straight when it is found, with regard to factors composed of a lateral G, a yaw rate, and a steering angle of the vehicle, at least two of the factors including the yaw rate show that a difference between the maximum value and the minimum value at a predetermined time is lower than a predetermined value, thereby detecting deflated tires.

摘要翻译： 一种用于通过对附接到车辆的轮胎的转速进行相对比较来检测放气轮胎的系统。 该系统包括用于检测轮胎的转速信息的转速信息检测装置; 用于计算轮胎的转速的转速计算装置; 以及确定装置，用于通过使用所计算的转速与预定阈值比较减小的压力确定值来确定放气轮胎。 确定装置确定车辆在找到车辆时是直线的，关于由横向G，横摆角速度和车辆的转向角构成的因素，包括横摆率的至少两个因素表明， 在预定时间的最大值和最小值之间的差小于预定值，从而检测放气轮胎。

公开(公告)号：US09387736B2

公开(公告)日：2016-07-12

申请号：US13486388

申请日：2012-06-01

申请人： Minao Yanase ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

发明人： Minao Yanase ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

IPC分类号： B60C23/06

CPC分类号： B60C23/061

摘要： A system for detecting deflated tires by making a relative comparison among rotation speeds of tires attached to a vehicle. The system includes a rotation speed information detection means for detecting rotation speed information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; and a determination means for determining deflated tires by comparing a decreased pressure determination value using the calculated rotation speeds with a predetermined threshold value. The determination means determines that the vehicle is going straight when it is found, with regard to factors composed of a lateral G, a yaw rate, and a steering angle of the vehicle, at least two of the factors including the yaw rate show that a difference between the maximum value and the minimum value at a predetermined time is lower than a predetermined value, thereby detecting deflated tires.

摘要翻译： 一种用于通过对附接到车辆的轮胎的转速进行相对比较来检测放气轮胎的系统。 该系统包括用于检测轮胎的转速信息的转速信息检测装置; 用于计算轮胎的转速的转速计算装置; 以及确定装置，用于通过使用所计算的转速与预定阈值比较减小的压力确定值来确定放气轮胎。 确定装置确定车辆在找到车辆时是直线的，关于由横向G，横摆角速度和车辆的转向角构成的因素，包括横摆率的至少两个因素表明， 在预定时间的最大值和最小值之间的差小于预定值，从而检测放气轮胎。

公开(公告)号：US20100160489A1

公开(公告)日：2010-06-24

申请号：US12644562

申请日：2009-12-22

申请人： Takeshi Hotaka ,  Tetsuya Mizone ,  Emiko Mogi ,  Shinya Notomi

发明人： Takeshi Hotaka ,  Tetsuya Mizone ,  Emiko Mogi ,  Shinya Notomi

IPC分类号： C08K3/34

CPC分类号： C08K5/01 ,  B60C1/0016 ,  B60C9/2009 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  Y02T10/862 ,  C08L21/00 ,  C08L2666/02

摘要： The rubber composites for tire treads include silica; carbon black; and oil constituents, wherein a ratio (A index) of silica contents, carbon black contents, and oil constituents contents is found by: A index=silica contents/(carbon black contents+silica contents+oil constituents contents)≧0.8  relational expression (1); and a ratio (B index) of a complex elastic modulus E* at 30° C. and a loss tangent tan δ at 60° C. is found by: B index=E*/tan δ≧120  relational expression (2).

摘要翻译： 用于轮胎胎面的橡胶复合材料包括二氧化硅; 碳黑; 油成分，其中通过以下方式求出二氧化硅含量的比例（A指数），炭黑含量和油成分含量：A指数=二氧化硅含量/（炭黑含量+二氧化硅含量+油成分含量）≥0.8关系式（ 1）; 并且通过以下方式求出30℃下的复弹性模量E *与60℃下的损耗角正切tanδ的比（B指数）（B index）= E * /tanδ≥120关系式（2）。

公开(公告)号：US08334333B2

公开(公告)日：2012-12-18

申请号：US12644562

申请日：2009-12-22

申请人： Takeshi Hotaka ,  Tetsuya Mizone ,  Emiko Mogi ,  Shinya Notomi

发明人： Takeshi Hotaka ,  Tetsuya Mizone ,  Emiko Mogi ,  Shinya Notomi

IPC分类号： B60C1/00 ,  C08K3/04 ,  C08K3/36

CPC分类号： C08K5/01 ,  B60C1/0016 ,  B60C9/2009 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  Y02T10/862 ,  C08L21/00 ,  C08L2666/02

摘要： The rubber composites for tire treads include silica; carbon black; and oil constituents, wherein a ratio (A index) of silica contents, carbon black contents, and oil constituents contents is represented by A index=silica contents/(carbon black contents+silica contents+oil constituents contents)≧0.8; and a ratio (B index) of a complex elastic modulus E* at 30° C. and a loss tangent tan δ at 60° C. is represented by B index=E*/tan δ≧120.

摘要翻译： 用于轮胎胎面的橡胶复合材料包括二氧化硅; 碳黑; 油分成分，其中二氧化硅含量比（A指数），炭黑含量和油成分含量由A指数=二氧化硅含量/（炭黑含量+二氧化硅含量+油成分含量）≥0.8表示; 并且在30℃下的复数弹性模量E *和60℃下的损耗角正切tanδ的比率（B指数）由B index = E * /tanδ≥120表示。