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公开(公告)号：EP0897816B1
公开(公告)日：2006-03-01
申请号：EP98306736.4
申请日：1998-08-21
发明人： Yanase, Minao , Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
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公开(公告)号：EP0897816A3
公开(公告)日：2003-07-02
申请号：EP98306736.4
申请日：1998-08-21
发明人： Yanase, Minao , Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for alarming decrease in tyre air-pressure in which decrease in internal pressure of tyres is alarmed based on rotational information obtained from tyres attached to a four-wheeled vehicle. The apparatus comprises a rotational information detecting means for detecting rotational information of each tyre, a memory means for storing the rotational information of each tyre, a calculating means for calculating reciprocals of turning radii based on rotational information of tyres attached to a driving shaft and judged values from the rotational information of each tyre, and a determining means for determining decrease in internal pressure from a relationship between the reciprocals of the turning radii and judged values. Determination of decompression can be reliable performed in the proximity of a region at which the lateral axis is O, since the judged values (DEL values) obtained while the differentiation is restricted are focused at points at which the lateral axis is O, that is, on the vertical axis.
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3.发明公开Method for detecting decrease of tyre air pressure and apparatus used therefor 失效Gerätund Verfahren zum Detektieren eines Druckabfalls im Reifen
公开(公告)号：EP0802074A1
公开(公告)日：1997-10-22
申请号：EP97302472.2
申请日：1997-04-11
发明人： Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： A method for detecting decrease of tyre air pressure comprising detecting each angular velocity of rotation (1,2,3,4) of four tyres (W1,W2,W3,W4), judging as to whether the tyre air pressure is decreased or not based on the detected angular velocity of rotation, and issuing alarm. The method includes a judgement step for low velocity in which, when the angular velocity of rotation is detected, judgement is made as to whether the tyre air pressure is decreased or not, and a judgement step for high velocity in which, when the angular velocity of rotation is detected, judgement is made as to whether the tyre air pressure is decreased or not only when the vehicle velocity is higher than a predetermined threshold value and the vehicle is in driven condition.
摘要翻译： 一种用于检测轮胎空气压力降低的方法，包括检测四个轮胎（W1，W2，W3，W4）的每个旋转角度（1,2,3,4），判断轮胎气压是否减小 基于检测到的角速度旋转，并发出报警。 该方法包括用于低速的判断步骤，其中当检测到旋转角速度时，判断轮胎空气压力是否减小，以及用于高速度的判断步骤，其中，当角速度 检测出旋转的结果，判断轮胎气压是否下降，或者当车速高于预定阈值且车辆处于驾驶状态时。
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4.发明公开Method for detecting decrease in tyre air-pressure and apparatus used therefor 有权检测轮胎气压下降的方法及其使用的装置
公开(公告)号：EP1013485A3
公开(公告)日：2003-08-06
申请号：EP99310320.9
申请日：1999-12-21
发明人： Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for detecting decrease in internal pressure of a tyre based on rotational information obtainable irom tyres attached to a four-wheeled vehicle equipped with a limited slip differential device (6). The apparatus includes a shift amount calculating means for correcting a turning radius or a reciprocal of the turning radius of driving wheels (W 1 ,W 2 ) by using a shift amount which is a difference between turning radiuses or a difference between reciprocals of turning radiuses obtainable from the rotational information of driving wheels (W 1 ,W 2 ) and following wheels (W 3 ,W 4 ). There can be calculated accurate turning radius for the driving wheels which is not affected by the LSD. Consequently, decrease in internal pressure can be properly judged also in a vehicle that is comprised with a LSD.
摘要翻译： 一种用于基于从安装在配备有限滑差速器（4）的四轮车辆上的轮胎获得的旋转信息来检测轮胎内压下降的装置。 该装置包括移动量计算装置，用于通过使用作为转弯半径之间的差的转移量或转弯半径的倒数之间的差来校正驱动轮（W1，W2）的转弯半径或倒转的倒数 驱动轮（W1，W2）和后续轮（W3，W4）的旋转信息。 可以计算出不受LSD影响的驱动轮的精确转弯半径。 因此，即使在由LSD构成的车辆中，也能够适当地判断内压的降低。
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5.发明公开Method for detecting decrease in tyre air-pressure and apparatus used therefor 有权Gerätund Verfahren zum Detektieren eines Druckabfalls im Reifen
公开(公告)号：EP1013485A2
公开(公告)日：2000-06-28
申请号：EP99310320.9
申请日：1999-12-21
发明人： Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for detecting decrease in internal pressure of a tyre based on rotational information obtainable irom tyres attached to a four-wheeled vehicle equipped with a limited slip differential device (6). The apparatus includes a shift amount calculating means for correcting a turning radius or a reciprocal of the turning radius of driving wheels (W 1 ,W 2 ) by using a shift amount which is a difference between turning radiuses or a difference between reciprocals of turning radiuses obtainable from the rotational information of driving wheels (W 1 ,W 2 ) and following wheels (W 3 ,W 4 ). There can be calculated accurate turning radius for the driving wheels which is not affected by the LSD. Consequently, decrease in internal pressure can be properly judged also in a vehicle that is comprised with a LSD.
摘要翻译： 一种用于检测轮胎内压降低的装置，其基于可由安装在配有限滑差速装置（6）的四轮车辆上的轮胎获得的旋转信息。 该装置包括：移动量计算装置，用于通过使用作为转动半径之间的差的移动量或者可以从转弯半径的倒数之间的差来校正驱动轮（W1，W2）的转动半径的转弯半径或倒数 驱动轮（W1，W2）和后轮（W3，W4）的旋转信息。 可以计算不受LSD影响的驱动轮的精确转弯半径。 因此，也可以在包含LSD的车辆中适当地判断内压降低。
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公开(公告)号：EP0970823A3
公开(公告)日：2003-06-11
申请号：EP99305436.0
申请日：1999-07-08
发明人： Yanase, Minao , Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for identifying between summer tyres and winter tyres based on rotational information obtained from tyres attached to a four-wheeled vehicle equipped with a limited slip differential device (7). The apparatus comprises a rotational information detecting means (1) for detecting rotational information for each of the tyres, a memory means for storing rotational information of each of the tyres, an arithmetic processing means for respectively calculating reciprocals of rolling radii based on rotations information of tyres attached to a driving shaft (5) as well as judged value based on rotational information of each of the tyres, and an identification means for identifying whether the tyres attached to the driving shaft are summer tyres or winter tyres from a relationship between reciprocals of turning radii and the judged value.
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7.发明授权Method for detecting decrease in tyre air-pressure and apparatus used therefor 有权检测轮胎气压下降的方法及其使用的装置
公开(公告)号：EP1013485B1
公开(公告)日：2005-12-14
申请号：EP99310320.9
申请日：1999-12-21
发明人： Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
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8.发明公开Apparatus for identifying tyres and method thereof 审中-公开Verfahren undGerätfürdie Identifizierung von Reifen
公开(公告)号：EP0970823A2
公开(公告)日：2000-01-12
申请号：EP99305436.0
申请日：1999-07-08
发明人： Yanase, Minao , Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for identifying between summer tyres and winter tyres based on rotational information obtained from tyres attached to a four-wheeled vehicle equipped with a limited slip differential device (7). The apparatus comprises a rotational information detecting means (1) for detecting rotational information for each of the tyres, a memory means for storing rotational information of each of the tyres, an arithmetic processing means for respectively calculating reciprocals of rolling radii based on rotations information of tyres attached to a driving shaft (5) as well as judged value based on rotational information of each of the tyres, and an identification means for identifying whether the tyres attached to the driving shaft are summer tyres or winter tyres from a relationship between reciprocals of turning radii and the judged value.
摘要翻译： 一种用于基于从配备有限滑差速装置（7）的四轮车辆的轮胎获得的旋转信息来识别夏季轮胎和冬季轮胎之间的装置。 该装置包括用于检测每个轮胎的旋转信息的旋转信息检测装置（1），用于存储每个轮胎的旋转信息的存储装置，用于分别计算滚动半径的倒数的运算处理装置， 连接到驱动轴（5）的轮胎以及基于每个轮胎的旋转信息的判断值，以及用于识别安装在驱动轴上的轮胎是否是夏季轮胎或冬季轮胎的识别装置， 转弯半径和判断值。
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公开(公告)号：EP0897816A2
公开(公告)日：1999-02-24
申请号：EP98306736.4
申请日：1998-08-21
发明人： Yanase, Minao , Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus for alarming decrease in tyre air-pressure in which decrease in internal pressure of tyres is alarmed based on rotational information obtained from tyres attached to a four-wheeled vehicle. The apparatus comprises a rotational information detecting means for detecting rotational information of each tyre, a memory means for storing the rotational information of each tyre, a calculating means for calculating reciprocals of turning radii based on rotational information of tyres attached to a driving shaft and judged values from the rotational information of each tyre, and a determining means for determining decrease in internal pressure from a relationship between the reciprocals of the turning radii and judged values. Determination of decompression can be reliable performed in the proximity of a region at which the lateral axis is O, since the judged values (DEL values) obtained while the differentiation is restricted are focused at points at which the lateral axis is O, that is, on the vertical axis.
摘要翻译： 本发明提供一种轮胎气压下降警报装置，该轮胎气压降低装置基于从安装于四轮车辆的轮胎获得的旋转信息来警告轮胎内压的降低。 该设备包括用于检测每个轮胎的旋转信息的旋转信息检测装置，用于存储每个轮胎的旋转信息的存储装置，用于基于附接到驱动轴的轮胎的旋转信息来计算转动半径的倒数并且被判断的计算装置 来自各轮胎的旋转信息的值以及根据转弯半径的倒数与判定值之间的关系确定内部压力的降低的确定装置。 由于在限制微分时获得的判定值（DEL值）集中在横轴为O的点处，即，在横轴为O的区域附近，所以可以可靠地执行减压的判定， 在垂直轴上。
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10.发明公开Apparatus, method and program for detecting decrease in tire air pressure 有权一种方法，装置和程序，用于检测在轮胎的空气压力的降低
公开(公告)号：EP2384911A3
公开(公告)日：2012-09-05
申请号：EP10015631.4
申请日：2010-12-14
发明人： Oshiro, Yuji
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： An apparatus includes an acceleration calculation means for calculating, based on rotation speed information obtained from a rotation speed detection means, accelerations of the respective tires; an acceleration variation calculation means for calculating acceleration variations of the tires; a comparison means for comparing the acceleration variations; a presumption means for presuming a pressure decrease of a tire; an examination means for identifying, based on the tire rotation speed information, a tire having a rotation speed that is higher than the rotation speeds of the other tires or that is lower than a predetermined criterion; and a determination means for determining, when a tire identified by the presumption means is identical with a tire identified by the examination means, a pressure decrease of the tire. The the predetermined criterion defines a degree at which, when four tires have a normal internal pressure and one of the four tires is fitted with a snow chain, the tire has a lower rotation speed than the rotation speeds of the other tires. The examination means is configured to identify a tire having the slowest rotation speed. The determination means is configured to determine that a tire has a decreased air pressure when the tire identified by the presumption means is identical with the slowest tire identified by the examination means and when the slowest tire is positioned at a driven wheel.
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