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21. 发明专利

JP2012011811A Driving unit for wheel 审中-公开
标题翻译：车轮驱动单元
公开(公告)号：JP2012011811A
公开(公告)日：2012-01-19
申请号：JP2010147625
申请日：2010-06-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO , SHIBUYA HIDESHI
IPC分类号： B60B35/14 , F16C19/18 , F16C35/073 , F16D1/02 , F16D1/033
CPC分类号： Y02T10/86
摘要： PROBLEM TO BE SOLVED: To achieve a structure capable of sufficiently shortening the length of a spline shaft 5c of a constant velocity joint 4c, while preventing damage such as cracks, sufficiently reducing size and weight, and performing a separating work of a rolling bearing unit 1c for supporting a wheel and the constant velocity joint 4c.SOLUTION: A diameter of a pitch circle of a ball 12a in an axial direction outside row is made larger than a diameter of a pitch circle of a ball 12b in an axial direction inside row. By this constitution, the thickness in a portion between an inner peripheral surface of a recessed portion 28 opened in an outer end face of a hub 11 and an inner ring raceway 18a at the outside can be secured, even if the recessed portion 28 is made deep. The length of the spline shaft 5c can be shortened, and an installation position in an axial direction of a snap ring 24 for connecting the rolling bearing unit 1c for supporting the wheel and the constant velocity joint 4c can be placed in a portion between lines of action α and β with each other of load applied to the balls 12a and 12b in the both rows.
摘要翻译：要解决的问题：为了实现能够充分缩短等速万向节4c的花键轴5c的长度的结构，同时防止诸如裂纹的破坏，充分减小尺寸和重量，以及执行分离工作用于支撑车轮的滚动轴承单元1c和等速接头4c。解决方案：使排出的轴线方向的球12a的节圆的直径大于排列内的轴向的球12b的节圆的直径。通过这种构造，即使制成凹部28，也可以确保在轮毂11的外端面上露出的凹部28的内周面与外侧的内圈滚道18a之间的部分的厚度深。可以缩短花键轴5c的长度，并且可以将用于连接用于支撑车轮的滚动轴承单元1c和等速接头4c的卡环24的轴向安装位置放置在两个行中的滚珠12a和12b的作用α和β彼此相加。版权所有（C）2012，JPO＆INPIT

22. 发明专利

JP2011174548A Bearing unit with sensor 有权
标题翻译：带传感器的轴承单元
公开(公告)号：JP2011174548A
公开(公告)日：2011-09-08
申请号：JP2010039494
申请日：2010-02-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO , TAKANASHI HARUMI
IPC分类号： F16C41/00 , F16C19/50 , F16C33/80
CPC分类号： F16C19/505 , F16C19/186 , F16C41/007 , F16C2240/70 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a bearing unit with a sensor, always maintaining fixed rotation detection accuracy while using an existing bearing construction, continuing to uniformly maintain lubricity inside the bearing over the whole bearing with excellent rigidity. SOLUTION: In a bearing internal space H between bearing rows with a PCD and the number or rolling elements of an outboard side larger than those of an inboard side, the outer peripheral face 4m of an inner ring 4 on the outboard side is formed with a cylindrical surface 4c projecting cylindrically along a direction parallel to the rotation axis of the inner ring. A base end side 20e of an encoder 20 is mounted to the cylindrical surface, and the encoder extends from the base end side in a ring shape along a direction crossing the bearing internal space. The part to which encoded information is added (an encoder body 26 with the encode information added) is set to have an outer diameter larger than the outer diameter of an inner ring raceway surface 4t on the inboard side and smaller than a shoulder 4k of inner ring raceway surface 4s on the outboard side. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有传感器的轴承单元，在使用现有的轴承结构的同时始终保持固定的旋转检测精度，在轴承的整个轴承上均匀地保持润滑性，并且具有优异的刚度。解决方案：在具有PCD的轴承列之间的轴承内部空间H和外侧的数量或滚动元件大于内侧的轴承内部空间H中，外侧的内圈4的外周面4m为形成有沿着与内圈的旋转轴线平行的方向圆柱形地突出的圆柱形表面4c。编码器20的基端侧20e安装在圆筒形表面上，编码器沿着与轴承内部空间交叉的方向从基端侧延伸成环状。添加编码信息的部分（具有添加的编码信息的编码器主体26）被设定为具有比内侧的内侧滚道面4t的外径大的外径，小于内侧滚珠表面4t的内径环形跑道表面4s在外侧。版权所有（C）2011，JPO＆INPIT

23. 发明专利

JP2011157982A Wheel bearing structure 审中-公开
标题翻译：车轮轴承结构
公开(公告)号：JP2011157982A
公开(公告)日：2011-08-18
申请号：JP2010017784
申请日：2010-01-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16C35/077 , B60B35/18 , F16C19/18
CPC分类号： Y02T10/86
摘要： PROBLEM TO BE SOLVED: To provide a wheel bearing structure excelling in maintenance inspection property and reducible in unspring weight and manufacturing cost while preventing the occurrence of noise in bearing rotation by improving positioning and fixing accuracy to a vehicle body side housing while using the inner diameter shape of the housing as it is.
SOLUTION: The wheel bearing structure includes a pair of standstill rings (outer rings) 5a, 5b fixed to the vehicle body side housing (a suspension device (knuckle) 13) and always maintained in a non-rotating state, and a pair of rotating rings (inner rings) 3a, 3b provided inside the pair of outer rings so as to face them respectively, and connected to a wheel and rotated together. The pair of outer rings are arranged with their back faces 5as, 5bs facing each other and combined in a state of holding a snap ring 25 fixed to the vehicle body side housing between the back faces. The pair of inner rings are combined in a state of the front faces 3as, 3bs coming in direct contact with each other or contacting each other through a spacer 27.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的维护检查性能的轮轴承结构，并且通过在使用时改善对车体侧壳体的定位和固定精度来防止轴承旋转中的噪音的发生，从而可以减少未来的重量和制造成本外壳的内径形状就是这样。解决方案：车轮轴承结构包括固定在车体侧壳体（悬挂装置（转向节）13）上的一对静止环（外圈）5a，5b，并始终保持在非转动状态设置在一对外圈内的一对旋转环（内圈）3a，3b，以分别面对它们，并且连接到车轮并一起旋转。一对外圈的后表面5as，5b彼此面对配置，并且在保持固定在车体侧壳体之间的卡环25的状态下组合。一对内圈在前表面3as，3b彼此直接接触或通过间隔件27彼此接触的状态下组合。（C）2011，JPO＆INPIT

24. 发明专利

JP2011122729A Bearing unit 有权
标题翻译：轴承单元
公开(公告)号：JP2011122729A
公开(公告)日：2011-06-23
申请号：JP2011022344
申请日：2011-02-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16C33/78 , F16C19/18
CPC分类号： F16C33/805 , F16C19/186 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a bearing unit capable of preventing a seal member of a rotation ring on a vehicle body side from being directly exposed to a foreign object from the outside and efficiently discharging the foreign object which has entered inside in a short time. SOLUTION: The bearing unit includes an outer ring 2, an inner ring 4, a plurality of rolling elements 6, 8, a seal 10a for sealing the inside on the vehicle body side of the outer ring, and a slinger 17 arranged on the vehicle body side from the seal. A base end of the slinger is fitted inside the outer ring and continues along the inner peripheral surface of the outer ring. The slinger is made by bending a plate member so that its edge extends toward the inner ring side to cover the seal. The base end of the slinger includes a cylindrical part 17a along the inner peripheral surface of the outer ring and a bent part 17e bent from there toward the edge. A ring part 17b is arranged to closely face to the vehicle body side of the seal in an area from the bent part to the edge. A plurality of hole parts 17c penetrates the bent part from the wheel side to the vehicle body side to be opened toward an inner peripheral surface of the outer ring at predetermined intervals along the circumferential direction. A diameter of the hole is set to have a dimension from twice to three times as thick as the plate member. The hole parts are formed by punching the plate member in a state before being bent. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止车身侧的旋转环的密封构件从外部直接暴露于异物并有效地排出进入内部的异物的轴承单元很短的时间。
解决方案：轴承单元包括外圈2，内圈4，多个滚动元件6,8，用于密封外圈车身侧的内侧的密封件10a和布置在外圈在车体侧从密封。抛油环的底端安装在外圈内，并沿着外圈的内周表面延伸。抛油环通过弯曲板构件而制成，使得其边缘朝向内环侧延伸以覆盖密封件。抛油环的底端包括沿着外环的内周面的圆柱形部分17a和从其向边缘弯曲的弯曲部分17e。环形部17b布置成在从弯曲部到边缘的区域中紧密地面对密封件的车身侧。多个孔部17c从轮侧朝向车体侧穿过弯曲部，沿周向以规定间隔向外圈的内周面开口。孔的直径被设定为具有与板构件相同的2至3倍的尺寸。孔部分通过在弯曲之前的状态下冲压板构件而形成。版权所有（C）2011，JPO＆INPIT

25. 发明专利

JP2009250350A Wheel supporting bearing unit with sensor 审中-公开
标题翻译：带传感器的车轮支撑轴承单元
公开(公告)号：JP2009250350A
公开(公告)日：2009-10-29
申请号：JP2008099190
申请日：2008-04-07
申请人： Nsk Ltd , 日本精工株式会社
发明人： HIRANO NORIFUMI , WAKABAYASHI TATSUO , MIZUMOTO RYUTARO
IPC分类号： F16C41/00 , F16C19/18 , F16C33/58 , G01P3/487
摘要： PROBLEM TO BE SOLVED: To provide a wheel supporting bearing unit with a sensor which is simple configuration and stably maintain the sensor at the time of shipping the bearing unit etc. and realizing smooth execution of inspection of operation.
SOLUTION: The bearing unit for supporting the wheel with the sensor includes a stationary ring 2, a rotating ring 4, a plurality of rolling elements and the sensor 40 which detects rotating state of the rotating ring. The sensor is composed of a detected element rotating with the same rotating state as the rotating ring and a detecting element oppositely secured to the detected element at predetermined distance to detect the rotating state of the rotating ring and simultaneously. A harness 42 giving a detection signal to a signal procession part of vehicle body side is provided in the detecting element, and a connector 44 including a connection terminal 44t for connection with the signal procession part is attached to the chip of the harness. The stationary ring is provided with a flange 2f projected in the diameter increasing direction to be fixed on a vehicle body component. The connecter is secured to the flange in the state of being capable of connecting the connection terminal with the signal procession part.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有传感器的车轮支撑轴承单元，该传感器在轴承单元等运输时构造简单并且稳定地保持传感器，并且实现运行检查的顺利执行。解决方案：用于用传感器支撑车轮的轴承单元包括固定环2，旋转环4，多个滚动元件和检测旋转环的旋转状态的传感器40。传感器由与旋转环相同的旋转状态旋转的检测元件和与检测出的元件相反地固定在预定距离上的检测元件，以同时检测旋转环的旋转状态。在检测元件中设置有向车身侧的信号处理部分提供检测信号的线束42，并且将包括用于与信号处理部分连接的连接端子44t的连接器44安装在线束的芯片上。固定环设置有沿直径增加方向突出的凸缘2f，以固定在车身部件上。连接器在能够将连接端子与信号处理部分连接的状态下固定在凸缘上。版权所有（C）2010，JPO＆INPIT

26. 发明专利

JP2009002772A Roller bearing unit with rotational speed detection device 审中-公开
标题翻译：具有转速检测装置的滚子轴承单元
公开(公告)号：JP2009002772A
公开(公告)日：2009-01-08
申请号：JP2007163468
申请日：2007-06-21
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO , SHIBUYA HIDESHI
IPC分类号： G01P3/487 , F16C19/18 , F16C41/00
摘要： PROBLEM TO BE SOLVED: To provide a structure wherein a harness for taking out a detection signal from a sensor is not a hindrance, until being conveyed from a manufacturing plant to an assembly plant of an automobile, and then being assembled into a car body.
SOLUTION: A detachable holder 18 is provided in a space 17 part between the axial direction outside surface of a stationary side flange 7a and the axial direction inside surface of a rotation side flange 9a, and a middle part of the harness is locked on the holder 18. A leg piece 19 constituting the holder 18 is constituted of an elastic plate material to have a lacked annular shape, and can be thrusted into the space 17, while being deformed elastically. A locking piece 20 constituting the holder 18 and made of an elastic material is supported and fixed on a part of the outer peripheral surface of the leg piece 19. Locking grooves 24, 24 whose width dimension in the free state is smaller than the outer diameter of the harness in the free state are provided on the locking piece 20.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种结构，其中用于从传感器取出检测信号的线束不是妨碍，直到从制造工厂输送到汽车的组装工厂，然后组装成车身。解决方案：可拆卸保持器18设置在固定侧凸缘7a的轴向外表面与旋转侧凸缘9a的轴向内表面之间的空间17部分中，并且线束的中间部分被锁定构成保持器18的腿部件19由弹性板材构成，具有缺乏的环形形状，并且能够弹性变形而被推入空间17。构成保持器18并由弹性材料制成的锁定件20支撑并固定在腿部件19的外周面的一部分上。自由状态的宽度尺寸小于外径的锁定槽24,24 自由状态的线束设置在锁定件20上。版权所有（C）2009，JPO＆INPIT

27. 发明专利

JP2008274993A Wheel supporting bearing unit 审中-公开
标题翻译：车轮支撑轴承单元
公开(公告)号：JP2008274993A
公开(公告)日：2008-11-13
申请号：JP2007116239
申请日：2007-04-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16D65/02 , B60B27/00 , F16C19/18
摘要： PROBLEM TO BE SOLVED: To provide a wheel supporting bearing unit having extremely high rigidity and more improved durability while preventing the occurrence of brake judder over a long period.
SOLUTION: The wheel supporting bearing unit comprises a stationary ring 12 to be fixed to a vehicle body structural member, a rotary ring 10 to which a wheel structural member 46 and a brake disc are fixed to be rotated together, and a plurality of rolling elements 18. The rotary ring has a flange portion 14f for fixing the wheel structural member and the brake disc. The brake disc is held between brake pads 32i, 32o supported by a brake caliper 30, and then its rotation is braked. The stationary ring has a brake caliper support 34 for fixing the brake caliper. The brake caliper support is annularly formed separately from the stationary ring, and fitted and fixed to the stationary ring. The brake caliper is installed on the brake caliper support fitted and fixed to the stationary ring, and positioned and fixed thereonto.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有非常高的刚性和更好的耐久性的轮支撑轴承单元，同时防止长时间发生制动颤动。解决方案：车轮支撑轴承单元包括固定在车体结构件上的固定环12，一个转动环10，一个轮构造件46和一个制动盘被固定在一起转动到其上，多个滚动元件18.旋转环具有用于固定轮结构构件和制动盘的凸缘部分14f。制动盘被保持在由制动钳30支撑的制动块32i，32o之间，然后其旋转被制动。固定环具有用于固定制动钳的制动钳支撑件34。制动钳支架与固定环分开形成环形，并固定在固定环上。制动钳安装在固定在固定环上的制动钳支架上，并被固定在其上。版权所有（C）2009，JPO＆INPIT

28. 发明专利

JP2008232332A Lubricant filling method 审中-公开
标题翻译：润滑剂填充方法
公开(公告)号：JP2008232332A
公开(公告)日：2008-10-02
申请号：JP2007074428
申请日：2007-03-22
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16C33/66 , F16C19/18 , F16C19/38
摘要： PROBLEM TO BE SOLVED: To provide a lubricant filling method for a bearing device, enabling a small amount of lubricant to be easily filled into the bearing device while surely spreading the filled lubricant all over the inside thereof. SOLUTION: The lubricant filling method is provided for filling the lubricant Gx into the bearing device to lubricate the bearing deice X which comprises at least a pair of stationary ring 2x and rotary ring 4x arranged opposing each other in a relatively rotatable manner, and a plurality of rolling elements 18x rollingly incorporated between the stationary ring and the rotary ring. Herein, the foamed lubricant is filled into the bearing device in the state that the lubricant is mixed with a foaming material S so as to be foamed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于轴承装置的润滑剂填充方法，能够将少量的润滑剂容易地填充到轴承装置中，同时确保将填充的润滑剂全部扩展到其内部。解决方案：提供润滑剂填充方法，用于将润滑剂Gx填充到轴承装置中以润滑轴承座X，其包括相对于彼此相对可旋转地布置的至少一对静止环2x和旋转环4x，以及多个滚动元件18x，其滚动地结合在固定环和旋转环之间。这里，在润滑剂与发泡材料S混合发泡的状态下，将发泡润滑剂填充到轴承装置中。版权所有（C）2009，JPO＆INPIT

29. 发明专利

JP2008190692A Method for manufacturing bearing device 有权
标题翻译：制造轴承装置的方法
公开(公告)号：JP2008190692A
公开(公告)日：2008-08-21
申请号：JP2007028283
申请日：2007-02-07
申请人： Nsk Ltd , 日本精工株式会社
发明人： WAKABAYASHI TATSUO
IPC分类号： F16C33/64 , B60B35/18 , F16C19/18 , F16C33/60
CPC分类号： F16C19/186 , F16C33/586 , F16C33/64 , F16C35/0635 , F16C43/04 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a bearing device capable of facilitating quality control. SOLUTION: In this method of manufacturing a bearing device, the end portion of the inboard end of a hub ring 9 is axially opposed to an inner ring 10 by elastically deforming it to prevent the inner ring 10 from slipping off. A press-fit part 13a press-fitted to the end portion of the inboard end of the hub ring 9 and a step part 13b with a larger diameter than the press-fit part 13a at the rear of the press-fit part 13a are formed in a tool 13 for elastically deforming the end portion of the inboard end of the hub ring 9. The step part 13b of the tool 13 is brought into contact with the elastically deformed portion 12 of the hub ring 9 to control the press-fit amount of the press-fit part 13a into the tool 13. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供能够促进质量控制的轴承装置的制造方法。解决方案：在这种制造轴承装置的方法中，轮毂圈9的内侧端的端部通过弹性变形而与内圈10轴向相对，以防止内圈10滑落。压配合部分13a压配合到轮毂环9的内侧端部的端部，并且形成直径大于压配合部分13a后部的压配合部分13a的台阶部分13b 在用于使轮毂圈9的内侧端部弹性变形的工具13中。工具13的台阶部13b与轮毂环9的弹性变形部12接触，以控制压配合量压配合部分13a进入工具13.版权所有（C）2008，JPO＆INPIT

30. 发明专利

JP2008075784A Wheel supporting rolling bearing unit 审中-公开
标题翻译：车轮支撑滚动轴承单元
公开(公告)号：JP2008075784A
公开(公告)日：2008-04-03
申请号：JP2006256638
申请日：2006-09-22
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAGAI KENICHI , WAKABAYASHI TATSUO
IPC分类号： F16C35/063 , B60B35/02 , F16C19/18 , F16C25/06
CPC分类号： F16C43/04 , F16C19/186 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a wheel supporting rolling bearing unit wherein a ball 4a in an outside row has a pitch circle diameter larger than the pitch circle diameter of a ball 4b in an inside row, and a hub body 5 and an inner ring 6 are joined and fixed to each other via a caulked portion 12 to form a hub 2, having construction for hardly giving damage to portions during machining the caulked portion 12. SOLUTION: A virtual truncated cone cylindrical face is visualized which uses a line α as a generating line connecting a most radial outward portion of a supported face 17a which abuts on a female mold 18a when forming the caulked portion 12, out of the axial outer end face of the hub body 5, to the outer peripheral edge of the caulked portion 12. The whole outer peripheral face of a portion of the hub 2, ranging from the axial inner end face of the inner ring 6 to the supported face 17a, exists radially outward from the virtual truncated cone cylindrical face. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种车轮支撑滚动轴承单元，其中外排中的球4a具有比内排中的球4b的节圆直径大的节圆直径，以及轮毂体5和内圈6通过铆接部12彼此接合固定，形成轮毂2，该轮毂2具有在加工铆接部12期间几乎不损伤部分的构造。解决方案：虚拟截锥体圆柱面可视化其使用线α作为在形成铆接部12时从支撑面17a的最外侧部分抵靠在阴模18a上的发电线，从毂体5的轴向外端面到外部轮毂2的从内环6的轴向内端面到被支撑面17a的一部分的整个外周面从虚拟截锥体圆筒面径向向外存在。版权所有（C）2008，JPO＆INPIT

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