公开(公告)号：US07868749B2

公开(公告)日：2011-01-11

申请号：US12408089

申请日：2009-03-20

申请人： Kazuyoshi Miyamoto ,  Minao Yanase

发明人： Kazuyoshi Miyamoto ,  Minao Yanase

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： The method includes: a step of calculating wheel rotation information; a judgment step of judging a decrease in a tire air pressure by comparing a predetermined reference value with a decreased pressure judgment value showing a wheel speed ratio of the front and rear axes; an initialization step of storing the wheel speed ratio between the front and rear axes at the regular internal pressure; and a step of determining whether the distribution of the front and rear driving torque is equidistribution or not.

摘要翻译： 该方法包括：计算车轮旋转信息的步骤; 判断步骤，通过将预定基准值与表示前后轴的车轮速比的减小的压力判定值进行比较来判断轮胎气压的下降; 初始化步骤，在规定的内部压力下存储前轴和后轴之间的车轮速比; 以及确定前驱动转矩和后驱动转矩的分配是否是等分配的步骤。

公开(公告)号：US20090256696A1

公开(公告)日：2009-10-15

申请号：US12408089

申请日：2009-03-20

申请人： Kazuyoshi MIYAMOTO ,  Minao Yanase

发明人： Kazuyoshi MIYAMOTO ,  Minao Yanase

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： The method includes: a step of calculating wheel rotation information; a judgment step of judging a decrease in a tire air pressure by comparing a predetermined reference value with a decreased pressure judgment value showing a wheel speed ratio of the front and rear axes; an initialization step of storing the wheel speed ratio between the front and rear axes at the regular internal pressure; and a step of determining whether the distribution of the front and rear driving torque is equidistribution or not.

摘要翻译： 该方法包括：计算车轮旋转信息的步骤; 判断步骤，通过将预定基准值与表示前后轴的车轮速比的减小的压力判定值进行比较来判断轮胎气压的下降; 初始化步骤，在规定的内部压力下存储前轴和后轴之间的车轮速比; 以及确定前驱动转矩和后驱动转矩的分配是否是等分配的步骤。

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：US08656768B2

公开(公告)日：2014-02-25

申请号：US13537425

申请日：2012-06-29

申请人： Minao Yanase

发明人： Minao Yanase

IPC分类号： B60C23/02

CPC分类号： B60C23/061

摘要： A method for detecting a tire having decreased air pressure based on wheel rotation information obtained from the tire attached to a vehicle in which there is a predetermined difference between front and rear wheel loads. The method includes the steps of acquiring wheel rotation information obtained from the tire, storing the wheel rotation information, acquiring a load sensitivity of a tire dynamic loaded radius due to load shift during turning, acquiring speed dependency of the load sensitivity, comparing load sensitivity of the tire dynamic loaded radius at a speed acquired based on the speed dependency with preliminarily stored load sensitivities of dynamic loaded radiuses of various tires, estimating decreased pressure sensitivity of the tire dynamic loaded radius based on a result of the comparison, and determining that the tire has a decreased air pressure based on a result of the estimation.

摘要翻译： 一种根据从安装在车辆上的轮胎获得的车轮旋转信息来检测具有降低的空气压力的轮胎的方法，其中前轮和后轮之间存在预定的差异。 该方法包括以下步骤：获取从轮胎获得的车轮旋转信息，存储车轮旋转信息，获取由于转弯期间的负载偏移引起的轮胎动态加载半径的负载灵敏度，获取负载灵敏度的速度依赖性，比较负载灵敏度 基于速度依赖性获取的轮胎动态加载半径，其中预先存储各种轮胎的动态加载半径的负载灵敏度，基于比较的结果估计轮胎动态加载半径的压力灵敏度，并且确定轮胎 基于估计的结果，气压降低。

公开(公告)号：US07395145B2

公开(公告)日：2008-07-01

申请号：US10826283

申请日：2004-04-19

申请人： Yuji Oshiro ,  Minao Yanase

发明人： Yuji Oshiro ,  Minao Yanase

IPC分类号： B60T7/12 ,  G05D1/00

CPC分类号： B60C23/061

摘要： An apparatus for calculating an initial correction coefficient for correcting rotational angular velocities obtained from outputs of rotational angular velocity detecting means. The apparatus includes a judged value calculating means which calculates a judged value on the basis of the rotational angular velocities; an identifying means which identifies whether the vehicle is performing turning movements at high velocity, straight-ahead running or turning movements at mid/low velocity; and an initial correction coefficient calculating means which obtains an initial correction coefficient when it has been identified by the identifying means that the vehicle is performing straight-ahead running or turning movements at mid/low velocity. It is possible to obtain accurate correction coefficients so that it is possible to accurately detect, for instance, a decrease in tire air-pressure and thus to maintain safe running.

摘要翻译： 一种用于计算用于校正从旋转角速度检测装置的输出获得的旋转角速度的初始校正系数的装置。 该装置包括判断值计算装置，该判断值计算装置基于旋转角速度来计算判断值; 识别装置，其识别车辆是否以中速/低速高速，直线行驶或转动运动进行转动; 以及初始校正系数计算装置，当识别装置识别出车辆正在进行中速/低速的直行跑步或转动运动时，获得初始校正系数。 可以获得精确的校正系数，使得可以精确地检测例如轮胎空气压力的降低，从而保持安全行驶。

公开(公告)号：US20050081616A1

公开(公告)日：2005-04-21

申请号：US10940980

申请日：2004-09-15

申请人： Motoshi Suzuki ,  Hidenori Kajino ,  Minao Yanase

发明人： Motoshi Suzuki ,  Hidenori Kajino ,  Minao Yanase

IPC分类号： G01L17/00 ,  B60C19/00 ,  B60C23/06 ,  G01M17/02

CPC分类号： B60C23/061 ,  Y10T137/36

摘要： A tire air-pressure alarming device includes wheel speed sensors for detecting wheel speeds of wheels of a motor vehicle and also includes a microcomputer-base control device and an alarming unit. The control device is programmed to execute function steps of: deriving a decision value based on the wheel speeds detected by the wheel speed sensors; judging the occurrence of air-pressure drop of the tires constituting wheels, based on the decision value; and outputting a command when the occurrence of the air-pressure drop of the tires is judged. The alarming unit is responsive to the command from the control device thereby to raise an alarm indicating the occurrence of the air-pressure drop of the tire. The tires are monitored by the tire air-pressure alarming device, wherein the control device is also programmed to execute a function step of standardizing the speed dependency of a rolling radius of the tires thereby to standardize the performance in judging the air-pressure drop of the tires. Thus, the tire property can be controlled to improve the accuracy in detecting the tire air-pressure drop.

摘要翻译： 轮胎气压报警装置包括用于检测机动车辆车轮速度的车轮速度传感器，还包括微机基座控制装置和报警单元。 控制装置被编程为执行功能步骤：基于由车轮速度传感器检测到的车轮速度导出判定值; 基于所述判定值判断构成车轮的轮胎的气压下降的发生; 并且当判断出轮胎的气压降的发生时输出命令。 报警单元响应于来自控制装置的命令，从而提高指示轮胎气压降的发生的报警。 轮胎由轮胎气压报警装置进行监视，其中控制装置也被编程为执行标准化轮胎的滚动半径的速度依赖性的功能步骤，从而标准化判断空气压降的性能 轮胎。 因此，可以控制轮胎性能，以提高检测轮胎空气压降的精度。

公开(公告)号：US5482099A

公开(公告)日：1996-01-09

申请号：US54828

申请日：1993-04-30

申请人： Shinzo Kajiwara ,  Yoshio Konii ,  Minao Yanase

发明人： Shinzo Kajiwara ,  Yoshio Konii ,  Minao Yanase

IPC分类号： B60C9/18 ,  B60C9/20 ,  B60C11/04 ,  B60C11/11 ,  B60C101/00 ,  B60C111/00

CPC分类号： B60C11/0306 ,  B60C11/11 ,  B60C9/20 ,  B60C2011/0383 ,  B60C2011/0388 ,  B60C2011/1254 ,  Y10S152/902 ,  Y10T152/10765

摘要： A pneumatic radial tire comprising a carcass and a belt comprising belt plies composed of steel belt cords wherein at least two circumferential grooves are constructed in the tread part continuously in the direction of the tire's equator, and lateral grooves in some parts defined by dividing the tread part in the direction of the tire's axis into approximately three or four equal areas. The tire prevents one-side drifting of a car in driving, improves a straight-forward driving performance.

摘要翻译： 一种充气子午线轮胎，其特征在于，包括胎体和皮带，所述皮带包括由钢带帘线组成的带束层，其中，所述胎面部中至少两个周向槽沿轮胎的赤道方向连续地构成，并且在一些部分中限定了横向槽， 在轮胎的轴线方向上分成大致三个或四个相等的区域。 轮胎防止驾驶中的汽车单面漂移，提高了直接驾驶性能。

公开(公告)号：US07333008B2

公开(公告)日：2008-02-19

申请号：US11157847

申请日：2005-06-22

申请人： Minao Yanase

发明人： Minao Yanase

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： A tire deflation warning system having a means for detecting the rotational speeds of wheels on a vehicle and a means for judging tires with reduced air pressure from the rotational speed information of the wheels including a means for judging whether driving force works to respective wheels or not a means for calculating a vehicle speed when driving force works to respective wheels, a means for comparing the average of the rotational speeds of the driving wheels against the average of the rotational speeds of the following wheels, with the average of the rotational speeds of the driving wheels against the average of the rotational speeds of the following wheels at normal air pressure in running state in which the vehicle has driving force and a means for judging that the air pressures of the all wheels which are mounted on the vehicle are simultaneously reduced, or that the air pressures of the driving wheels are reduced by the result of the comparison.

摘要翻译： 一种轮胎放气警报系统，具有用于检测车辆上的车轮的转速的装置，以及用于根据车轮的转速信息判断具有减小的空气压力的轮胎的装置，该装置包括用于判断驱动力是否适用于各个车轮的装置 用于当驱动力对各个车轮施加时计算车辆速度的装置，用于将驱动轮的转速的平均值与后轮的转速的平均值进行比较的装置， 驱动轮相对于车辆具有驱动力的行驶状态下的正常空气压力下的后轮的转速的平均值，以及用于判断安装在车辆上的所有车轮的空气压力同时减小的装置， 或通过比较的结果来减小驱动轮的空气压力。

公开(公告)号：US20070032980A1

公开(公告)日：2007-02-08

申请号：US11528352

申请日：2006-09-28

申请人： Minao Yanase

发明人： Minao Yanase

IPC分类号： G01L13/00 ,  G01L17/00

CPC分类号： B60C23/061

摘要： A detection method of reducing the air pressure of tires based on the rotational speed of wheels mounted on a vehicle. The method includes steps of: determining the rotational speed of each wheel, memorizing the rotational speed of each wheel, determining the loading sensitivity of the dynamic load radius of tires caused by movement of a load during turning, comparing said loading sensitivity with the loading sensitivity of the dynamic load radii of tires at initialization which are preliminarily memorized, and judging decompression of tires based on the result of the comparison. Further, a loading sensitivity-calculating method of determining the loading sensitivity of the dynamic load radii of tires includes steps of: determining a lateral acceleration during turning of a vehicle, determining the shift rate of a judgment value which is the relative comparison of rotational speed of wheels on a pair of diagonals of a vehicle, and determining the loading sensitivity.

摘要翻译： 基于安装在车辆上的车轮的转速来减小轮胎的空气压力的检测方法。 该方法包括以下步骤：确定每个车轮的旋转速度，记忆每个车轮的转速，确定由车轮转动期间的负载运动引起的轮胎动载荷半径的负载灵敏度，将所述负载灵敏度与负载灵敏度进行比较 预先记录初始化时的轮胎的动载荷半径，根据比较结果判断轮胎的减压。 此外，确定轮胎的动态载荷半径的载荷灵敏度的载荷灵敏度计算方法包括以下步骤：确定车辆转弯期间的横向加速度，确定作为转速的相对比较的判定值的偏移率 在车辆的一对对角线上的车轮，并确定负载灵敏度。

公开(公告)号：US06831553B2

公开(公告)日：2004-12-14

申请号：US10280060

申请日：2002-10-25

申请人： Yuji Oshiro ,  Minao Yanase

发明人： Yuji Oshiro ,  Minao Yanase

IPC分类号： B60C2300

CPC分类号： B60C23/061

摘要： A method for detecting decrease in tire air-pressure in which decrease in internal pressure of a tire is detected on the basis of rotational information. The method includes the steps of: detecting rotational information of the tires; storing the rotational information; comparing rotational information of all left-sided wheels and rotational information of all right-sided wheels of the vehicle when the vehicle is performing straight-ahead running; and judging decompression on the basis of a relationship between a value obtained through comparison of the left-sided and right-sided rotational information and a specified threshold. It is possible to detect decompression of a single wheel tire while it is also possible to detect that two wheel tires on the left or right are simultaneously decreased.

摘要翻译： 基于旋转信息，检测轮胎内压下降的轮胎气压的下降的方法。 该方法包括以下步骤：检测轮胎的旋转信息; 存储旋转信息; 当车辆正在进行直行时，比较所有左侧轮的旋转信息和车辆的所有右侧轮的旋转信息; 并且基于通过比较左侧和右侧旋转信息获得的值与指定阈值之间的关系来判断解压缩。 可以检测单个轮胎的减压，同时也可以检测到左右两个轮胎轮胎同时减少。