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1. 发明专利

JP2011163463A Water permeation sensor for bearing, roller bearing device with water permeation sensor, and wheel supporting bearing unit with water permeation sensor 审中-公开
标题翻译：用于轴承的水渗透传感器，具有水渗透传感器的滚子轴承装置和具有水渗透传感器的支撑轴承单元的轮
公开(公告)号：JP2011163463A
公开(公告)日：2011-08-25
申请号：JP2010027655
申请日：2010-02-10
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16C41/00 , B60B35/18 , F16C19/18 , F16C19/52
摘要： PROBLEM TO BE SOLVED: To provide a water permeation sensor for bearing, which surely detects permeation of water inside a bearing even at an initial stage thereof, a rolling bearing device with the water permeation sensor, and a wheel supporting bearing unit with the water permeation sensor.
SOLUTION: The water permeation sensor S for bearing is attached to a rolling bearing including a conductive stationary wheel 2 maintained in a non-rotating state, a rotary wheel disposed oppositely to the stationary wheel 2 and rotated, and a plurality of rolling elements incorporated between raceway surfaces formed respectively on opposed portions 22 of the stationary wheel 2 and the rotary wheel so as to be capable of rolling. The sensor includes a foil-like electrode 30 and a hydrophilic resin plate 50 to be located inside the bearing. The electrode 30 is stuck to one plate surface 52 of the hydrophilic resin plate 50, and the other plate surface 54 of the hydrophilic resin plate 50 is fixed to the stationary wheel 2, whereby a capacitor using the hydrophilic resin plate 50 as a dielectric body is formed between the stationary wheel 2 and the electrode 30. The permeation of water inside the bearing is detected depending on a change in the electrostatic capacity of the capacitor.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于轴承的透水传感器，即使在其初始阶段，也可以确保轴承内的水的渗透，具有水渗透传感器的滚动轴承装置和具有水渗透传感器。解决方案：用于轴承的水渗透传感器S安装在包括保持在非旋转状态的导电固定轮2的滚动轴承上，与固定轮2相对设置并旋转的旋转轮，并且多个滚动分别形成在固定轮2的相对部分22和旋转轮之间的滚道表面之间的元件，以便能够滚动。传感器包括位于轴承内的箔状电极30和亲水性树脂板50。电极30粘贴在亲水性树脂板50的一个板面52上，亲水性树脂板50的另一个板面54固定在固定轮2上，由此使用亲水性树脂板50作为介电体的电容器形成在固定轮2和电极30之间。根据电容器的静电容量的变化来检测轴承内的水的渗透。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010210085A Rolling bearing unit with seal ring for supporting wheel 有权
标题翻译：带支撑轮的密封圈的滚动轴承单元
公开(公告)号：JP2010210085A
公开(公告)日：2010-09-24
申请号：JP2010016752
申请日：2010-01-28
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAGAWA TAKAYUKI , TAKEHARA TORU , WAKABAYASHI TATSUO
IPC分类号： F16C33/80 , F16C33/78
CPC分类号： F16C33/805 , F16C19/186 , F16C33/783 , F16C33/7876 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To achieve a superbly durable rolling bearing unit with a seal ring for supporting a wheel without increasing a rotational resistance, by improving sealing performance by a seal ring to be excellent in an effect of preventing extraneous substances from entering an inside space where rolling bodies are arranged. SOLUTION: An apical end of a labyrinth lip 21a is located at a more radial outward position than a step 25 provided at an inside surface of a rotary-side flange 12 and besides the tip of the labyrinth lip 21a and this step 25 are radially overlapped. Then, an inner peripheral surface of the tip of the labyrinth lip 21a is allowed to be approximate and opposite to an entire circumference of a peripheral surface of the step 25. As a result, an axial labyrinth seal 28b is formed between the inner peripheral surface of the tip and the outer peripheral surface of the step 25. Besides, by utilizing a part of a seal member 18b, there is provided a weir 31 with a larger outside diameter than a dimension of a peripheral surface in an outer edge of an outer ring 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有用于支撑车轮而不增加旋转阻力的密封环的极好耐用的滚动轴承单元，通过改善密封环的密封性能，以防止外来物质进入的效果优异设置滚动体的内部空间。解决方案：迷宫式唇缘21a的顶端位于比设置在旋转侧凸缘12的内表面处的台阶25更多的向外的位置，并且除了迷宫式唇缘21a的尖端和该步骤25 径向重叠。然后，允许迷宫式唇缘21a的前端的内周面与台阶25的周面的整个周边大致相反。结果，在内周面之间形成有轴向迷宫式密封件28b 此外，通过利用密封构件18b的一部分，设置有堰31，其外径大于外周边缘的外周面的尺寸版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010159011A Hub unit for supporting drive wheel 有权
标题翻译：支援驾驶轮的单位
公开(公告)号：JP2010159011A
公开(公告)日：2010-07-22
申请号：JP2009003423
申请日：2009-01-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： MITSUE NAOKI , KABAYAMA TADASHI , WAKABAYASHI TATSUO
IPC分类号： B60B35/18 , B60B35/14 , F16C19/18 , F16C25/08 , F16C33/32 , F16C33/58 , F16D1/06 , F16D3/20
CPC分类号： F16C33/58 , F16C19/186 , F16C19/505 , F16C19/527 , F16C35/0635 , F16C2240/80 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To obtain a structure capable of easily forming a lightweight constitution, and easily applying adequate pre-pressure (desired pre-pressure). SOLUTION: A stepped part 17a abutted with an inner surface of a nut 16 is located between a center X of a first rolling element row provided between a first outer ring track 12a and a first inner ring track 7a, and the center Y of a second rolling element row provided between a second outer ring track 12b and a second inner ring track 7b in the axial direction of a hub 2a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够容易地形成轻质构造的结构，并且容易施加足够的预压力（期望的预压力）。解决方案：与螺母16的内表面邻接的阶梯部分17a位于设置在第一外环轨道12a和第一内环轨道7a之间的第一滚动元件列的中心X和中心Y之间第二滚动元件列设置在毂2a的轴向上的第二外圈轨道12b和第二内环轨道7b之间。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009198427A Rotational speed detector 审中-公开
标题翻译：旋转速度检测器
公开(公告)号：JP2009198427A
公开(公告)日：2009-09-03
申请号：JP2008042611
申请日：2008-02-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： TAKEHARA TORU , WAKABAYASHI TATSUO
IPC分类号： G01P3/487 , G01D5/244
摘要： PROBLEM TO BE SOLVED: To provide a rotational speed detector capable of compensating a change with time of an error of each pole in an encoder and always obtaining correct signal accuracy.
SOLUTION: The rotational speed detector includes the encoder, a rotation detecting sensor, and a computing unit 102 for processing an output signal from the rotation detecting sensor and detecting a rotational speed of a rotary member. The computing unit 102 has a function of obtaining a size of a pitch between each s pole and each n pole while the encoder turns one rotation, a function of obtaining a phase related to a rotation direction of other parts of the s and n poles using a part having a pitch largely different from that of other parts as a reference, a function of correcting a pitch error between the s and n poles to obtain the rotational speed of the rotary member, and a correcting function of periodically calculating to compensate the time with change of the encoder to correct the stored encoder error.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够补偿编码器中每个极的误差随时间变化的转速检测器，并且始终获得正确的信号精度。解决方案：转速检测器包括编码器，旋转检测传感器和用于处理来自旋转检测传感器的输出信号并检测旋转部件的旋转速度的计算单元102。计算单元102具有在编码器旋转一周时获得每个s极与每个n极之间的间距的大小的功能，获得与s和n极的其他部分的旋转方向相关的相位的功能，其功能使用具有与其他部分相当的音调的部分作为参考的部分，校正s和n极之间的音调误差以获得旋转部件的旋转速度的功能，以及周期性地计算以补偿时间的校正功能用编码器更改以校正存储的编码器错误。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2009168128A Bearing sealing device and wheel support bearing unit 有权
标题翻译：轴承密封装置和轮支撑轴承单元
公开(公告)号：JP2009168128A
公开(公告)日：2009-07-30
申请号：JP2008006493
申请日：2008-01-16
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO , OTAKE SHIGETO , TAKEHARA TORU
IPC分类号： F16C33/78 , B60B35/02 , B60B35/18 , F16C19/18 , F16C33/58 , F16C41/00
摘要： PROBLEM TO BE SOLVED: To provide a highly durable bearing sealing device easily assembled to a bearing and capable of maintaining specific sealing performance for a long time by securely preventing positional shift after assembly.
SOLUTION: The bearing sealing device is at least provided with an annular slinger 62 comprising a cylindrical fixation part 62a extended from a base end to a tip in a predetermined direction and a disk part 62b continued to the base end of the fixation part 62a and extended to the fixation part 62a at a predetermined angle and fixed to either one of bearing rings 10 (16). A step part 16g for fixing the slinger 62 is provided in the perimeter of the peripheral edge part of the bearing ring to which the slinger 62 is fixed. The step part 16g has a structure in which two portions having level difference are continued along the circumferential direction using a step face 16h as a boundary. The slinger 62 is provided with a thin-wall part 62s formed by making a tip at of the fixation part 62a thinner than other portions of the fixation part 62a in the perimeter, and since the thin-wall part 62s is brought into contact with the step part 16g provided in the bearing ring and is deformed, the slinger 62 is positioned and fixed to the bearing ring.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种耐用的轴承密封装置，其易于组装到轴承上，并且通过可靠地防止组装之后的位置偏移，能够长时间保持特定的密封性能。解决方案：轴承密封装置至少设置有环形抛油环62，该环形抛油环62包括从预定方向从基端延伸到顶端的圆柱形固定部分62a和连续到固定部分的基端的圆盘部分62b 62a并以预定角度延伸到固定部分62a并固定到轴承环10（16）中的任一个。用于固定抛油环62的台阶部16g设置在固定有抛油环62的轴承环的周缘部的周边。台阶部16g具有使用台阶面16h作为边界沿着圆周方向连续地具有水平差的两个部分的结构。抛油环62设置有通过使固定部62a上的尖端比周边的固定部62a的其他部分更薄的方式形成的薄壁部62s，并且由于薄壁部62s与台阶部16g设置在轴承环中并变形，抛油环62定位并固定到轴承环。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008114770A Bearing unit 审中-公开
标题翻译：轴承单元
公开(公告)号：JP2008114770A
公开(公告)日：2008-05-22
申请号：JP2006301285
申请日：2006-11-07
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： B60B27/00 , B60B35/14 , B60B35/18 , F16C19/18 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a bearing unit which highly accurately maintains runout precision of a brake rotor mounting surface of a hub flange over a long period to prevent generation of brake judder.
SOLUTION: The bearing unit 10 is provided with: a stationary ring 2 mounted to a vehicle body component; a rotating ring 4 mounted with a wheel component 40 and a braking member 42 and rotated with them; and a plurality of rolling elements 18 rollingly incorporated between the stationary ring 2 and the rotating ring 4. The hub flange 12f for fixing the wheel component 40 and the braking member 42 is provided continuously along the circumferential direction in the rotating ring 4, and a plurality of through-holes 12h for positioning the wheel component 40 and the braking member 42 with respect to the hub flange 12f are formed. With respect to a mounting surface 12g on which the braking member 42 abuts on position and fix the braking member 42, a plurality of irregular tooth shaped parts 60 are formed on the hub flange 12f to reduce friction between the hub flange 12f and the braking member 42.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够高效地保持轮毂凸缘的制动转子安装面的跳动精度长时间的轴承单元，以防止制动颤动的产生。解决方案：轴承单元10设置有：安装到车身部件的固定环2; 安装有车轮部件40和制动部件42并与其一起旋转的旋转环4; 以及多个滚动体18，该滚动体18卷绕在固定环2和旋转环4之间。用于固定轮部件40和制动部件42的轮毂凸缘12f沿旋转环4的圆周方向连续设置，形成用于将轮部件40和制动部件42相对于轮毂凸缘12f定位的多个通孔12h。对于制动构件42抵接在其上并固定制动构件42的安装表面12g，在轮毂凸缘12f上形成多个不规则齿形部分60，以减小轮毂凸缘12f与制动构件之间的摩擦 42.版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008089422A Method for testing double-race roller bearing unit 有权
标题翻译：用于测试双滚子轴承单元的方法
公开(公告)号：JP2008089422A
公开(公告)日：2008-04-17
申请号：JP2006271010
申请日：2006-10-02
申请人： Nsk Ltd , 日本精工株式会社
发明人： TSUKAMOTO SHIGEMI , WAKABAYASHI TATSUO
IPC分类号： G01M13/04 , B60B35/02 , F16C19/18
摘要： PROBLEM TO BE SOLVED: To realize a testing method capable of shortening a period required from confirming the presence of a flaw up to specifying the presence position of the flaw, preventing any defective from being produced, shortening a period for which a production line is suspended, and improving productive efficiency.
SOLUTION: A plurality of rolling elements 6, 6 at a time are respectively disposed between double-race outer raceways 11a, 11b which are formed on the inner circumference of an outer ring 5, and double-race inner raceways 8a, 8b which are formed on the outer circumference of a hub 2, so as to roll therein. Specifications affecting orbital speeds of these rolling elements 6, 6 are made different from each other between the double races. A vibration of the outer ring 5 is measured while rotating the hub 2, and the race having a defect is specified based on a frequency of the vibration caused by the defect.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了实现能够缩短确认缺陷的存在所需的时间到指定缺陷的存在位置的测试方法，防止产生缺陷，缩短生产周期线路暂停，提高生产效率。解决方案：多个滚动元件6,6分别设置在形成在外圈5的内周上的双圈外滚道11a，11b和双滚道内滚道8a，8b之间其形成在轮毂2的外周上，以便在其中滚动。影响这些滚动元件6,6的轨道速度的规格在双重种类之间彼此不同。在旋转轮毂2的同时测量外圈5的振动，并且基于由缺陷引起的振动的频率来指定具有缺陷的座圈。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2014004978A Axle structure and hub unit bearing used in the same 审中-公开
标题翻译：轴承结构和轴承座在其中使用
公开(公告)号：JP2014004978A
公开(公告)日：2014-01-16
申请号：JP2012143938
申请日：2012-06-27
申请人： Nsk Ltd , 日本精工株式会社
发明人： SAKOTA HIROSHIGE , WAKABAYASHI TATSUO
IPC分类号： B60B35/02
摘要： PROBLEM TO BE SOLVED: To realize a structure, which effectively prevents an outer ring (an outer ring track) from being deformed and enables a backing plate to be easily and reliably assembled to a knuckle, at low costs.SOLUTION: An engagement hole 24a is formed at a center part of a backing plate 2a, and multiple beads 40, which protrude in an axial direction, are provided at an outer peripheral portion of the engagement hole 24a. A thick part of an attachment part 4a, in which a flange side attachment hole 33 is formed, is fastened to a knuckle 3a while being directly butted with the knuckle 3a (without disposing the backing plate 2a therebetween). The backing plate 2a is fixed to the knuckle 3a with the multiple beads 40 held between the knuckle 3a and a thin part of the attachment part 4a.
摘要翻译：要解决的问题：为了实现能够有效地防止外圈（外圈轨道）变形并且能够以低成本将背板容易且可靠地组装到转向节的结构。解决方案：接合孔24a 形成在背板2a的中心部分，并且沿着轴向突出的多个凸缘40设置在接合孔24a的外周部分。其中形成有凸缘侧安装孔33的安装部分4a的大部分被紧固到转向节3a，同时与转向节3a直接对接（不在其间设置背板2a）。背板2a固定到转向节3a，多个凸缘40保持在转向节3a和安装部分4a的薄部分之间。

9. 发明专利

JP2012153360A Method for manufacturing wheel-supporting rolling bearing unit 有权
标题翻译：制造车轮支撑滚动轴承单元的方法
公开(公告)号：JP2012153360A
公开(公告)日：2012-08-16
申请号：JP2012023704
申请日：2012-02-07
申请人： Nsk Ltd , 日本精工株式会社
发明人： ISHIKAWA HIROO , SUZUKI YASUYOSHI , OTAKE SHIGETO , TAKEHARA TORU , HIRATA KIYOTAKA , HORIIE AKIFUMI , WAKABAYASHI TATSUO
IPC分类号： B60B27/00 , B23B5/00 , B60B35/02 , F16C19/08 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method capable of sufficiently ensuring parallelism between a rotating-side mounting surface for mounting a disk constituting a disk brake and a stationary-side mounting surface for similarly mounting a support or caliper so as to be capable of preventing occurrence of judder in braking.SOLUTION: A hub 2 including the rotating-side mounting surface 14 is rotated with respect to an outer race 1 including the stationary-side mounting surface 15. Finish processing such as turning is performed to the rotating-side mounting surface 14 or both side surfaces in the axial direction of the disk which is connected and fixed to the rotating-side mounting surface 14 by using the stationary-side mounting surface 15 as a reference surface. Thereby, the above problem is solved.
摘要翻译：要解决的问题：提供一种能够充分确保用于安装构成盘式制动器的盘的旋转侧安装面与固定侧安装面之间的平行度的制造方法，以类似地安装支撑件或卡钳，以便能够防止刹车中发生抖动。解决方案：包括旋转侧安装表面14的轮毂2相对于包括固定侧安装表面15的外圈1旋转。对旋转侧安装表面14执行诸如转动的表面处理通过使用固定侧安装面15作为基准面，连接固定在旋转侧安装面14上的盘的轴向的两侧面。由此，解决了上述问题。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2012020660A Drive unit for wheel 有权
标题翻译：车轮驱动单元
公开(公告)号：JP2012020660A
公开(公告)日：2012-02-02
申请号：JP2010160182
申请日：2010-07-15
申请人： Nsk Ltd , 日本精工株式会社
发明人： HAYASHI HISASHI , NAGANO MASATO , WAKABAYASHI TATSUO
IPC分类号： B60B35/14 , F16C19/18 , F16C33/58 , F16C33/60 , F16C35/073 , F16D1/02 , F16D3/20
CPC分类号： Y02T10/86
摘要： PROBLEM TO BE SOLVED: To achieve a structure capable of sufficiently shortening the length of the spline shaft 5c of a constant-velocity joint 4c while preventing damage such as a crack, achieving sufficient downsizing and weight reduction, and performing the separation work of a roller bearing unit 1c for wheel support from the constant-velocity joint 4c without the need of a special tool.SOLUTION: Stop rings 7b and 7c are locked to two positions on the outer circumferential surface of the spline shaft 5c, and axial-direction both-end openings of a spline hole 19 are pressed by both stop rings 7a and 7b. Then, the relative displacement of a hub 2c and the spline shaft 5c in the axial direction is blocked.
摘要翻译：要解决的问题为了实现能够充分缩短等速度接头4c的花键轴5c的长度的结构，同时防止诸如裂纹的损伤，实现足够的小型化和重量减轻，并且进行分离工作用于来自等速度接头4c的用于车轮支撑的滚子轴承单元1c，而不需要特殊工具。解决方案：止动环7b和7c锁定在花键轴5c的外圆周表面上的两个位置，花键孔19的轴向两端开口被两个止动环7a和7b按压。然后，轮毂2c和花键轴5c在轴向方向上的相对位移被阻挡。版权所有（C）2012，JPO＆INPIT

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