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1. 发明专利

JP2004245231A Ball bearing 有权
公开(公告)号：JP2004245231A
公开(公告)日：2004-09-02
申请号：JP2003025547
申请日：2003-02-03
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YOKOTA KUNIHIKO , NAKASHITA TOMONORI , TAZUMI HAJIME , OGINO KIYOSHI , UEDA HIDEO , KAWAGUCHI TOSHIHIRO
IPC分类号： F16C19/18 , F16C19/54 , F16C19/56 , F16C33/38 , F16C33/41 , F16C33/66 , F16H57/04
CPC分类号： F16C33/6674 , F16C19/182 , F16C19/548 , F16C33/405 , F16C33/414 , F16C33/7893 , F16C2240/46 , F16C2240/80 , F16C2361/61 , F16H57/021 , F16H57/037 , F16H2048/423
摘要： PROBLEM TO BE SOLVED: To solve the problem wherein more than a required quantity of an oil is supplied because a pinion shaft is rotated around the axis center when the lubricating oil is led into a double row ball bearing, in regard to a tandem type double row ball bearing. SOLUTION: A first annular space δ1 and a second annular space δ2 are provided between the outer peripheral surface of an annular part 20b of a holder 20 and the inner peripheral surface of an annular piece 11e of a first outer ring member 11 and between the inner peripheral surface of a baffle plate piece 20c and the outer peripheral surface of a shoulder part 13h of a first inner ring member 13. Radial width d1 and d2 of these spaces are set in a range from a value more than 0 to a value equal or less than 0.15 times of the diameter of a ball 17. With this structure, the quantity of the oil 50 to be supplied to the annular space A is restricted, and a bearing can be surely lubricated without rasing the torque. COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2003021136A Preload setting method for double row tapered roller bearing 审中-公开
标题翻译：双向滚动滚子轴承的预定方法
公开(公告)号：JP2003021136A
公开(公告)日：2003-01-24
申请号：JP2001209325
申请日：2001-07-10
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YOKOTA KUNIHIKO
IPC分类号： F16C25/06 , F16C19/38
CPC分类号： F16C19/386
摘要： PROBLEM TO BE SOLVED: To provide a preload setting method for a double row tapered roller bearing capable of suppressing preload dispersion after incorporation.
SOLUTION: In the preload setting method for the double row tapered roller bearing, inner diameters d1 and d2 of inner rings 2 and 3 and an outer diameter d3 of an outer ring 5 of the double row tapered roller bearing 10 are measured in a measuring process. In a calculating process, a decrease on of an axial internal clearance of the bearing 10 by incorporation is calculated from the inner diameters d1 and d2 and the outer diameter d3 of the bearing 10 measured in the measuring process, a tolerance median of an outer diameter of a rotary shaft 1 to which the bearing is incorporated, and a tolerance median of an inner diameter of a differential carrier 4. A thickness T of a shim 13 is set on the basis of the calculated decrease of the axial internal clearance so that a preload applied when the double row tapered roller bearing 10 is incorporated with the rotary shaft 1 and the differential carrier 4 is a predetermined value.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种能够抑制加入后的预载分散的双列圆锥滚子轴承的预载设定方法。解决方案：在双列圆锥滚子轴承的预载设定方法中，双列圆锥滚子轴承10的内圈2和3的内径d1和外径d3和外圈5的外径d3在测量过程中被测量。在计算过程中，根据测量过程中测量的轴承10的内径d1和d2以及外径d3计算轴承10的结合轴向内部游隙的减小，外径的公差中值旋转轴1和轴承的内径的公差中值。差速器载体4的内径的公差中值是基于所计算的轴向内部游隙的减小而设定的，当双列圆锥滚子轴承10与旋转轴1和差速器载体4结合在一起时，预加载是预定值。

3. 发明专利

JP2004190728A Bearing device for supporting pinion shaft 审中-公开
公开(公告)号：JP2004190728A
公开(公告)日：2004-07-08
申请号：JP2002356933
申请日：2002-12-09
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： FUKUDA TOSHIRO , UEDA HIDEO , KAWAGUCHI TOSHIHIRO , YOKOTA KUNIHIKO , KAWAMURA MOTOJI , AKIYAMA MUNEYASU , NAKASHITA TOMONORI
IPC分类号： F16C19/18 , F16C19/54 , F16C25/06 , F16C33/58 , F16C35/06 , F16H1/04 , F16H57/037 , F16H57/038 , F16H57/039 , F16H57/04
CPC分类号： F16H57/021 , F16C19/182 , F16C19/548 , F16C41/02 , F16C2240/46 , F16C2361/61 , F16H57/037 , F16H57/0421 , F16H57/0483 , F16H2048/423 , Y10T74/19693
摘要： PROBLEM TO BE SOLVED: To extend the system life of an entire double row ball bearing by averaging the life of each ball group in a pinion shaft supporting device of a differential device and a transfer device. SOLUTION: In this tandem double row angular ball bearing, a bearing 10 on a pinion gear side comprises an inner ring member 13 having double rows of raceway surfaces, an outer ring member 11 having a double rows of raceway surfaces corresponding to the raceways surfaces of the inner ring member 13, and double rows of ball groups 15 and 16 installed between the raceway surfaces of the rows of the inner ring member 13 and the outer ring member 11 with different pitch circle diameters. Axial inner clearances between the ball groups 15 disposed on the pinion gear side and the raceway surfaces thereof are set larger as compared with axial inner clearances between the ball groups 16 disposed on the anti-pinion gear side and the raceway surfaces thereof. COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2004169889A Pinion shaft supporting bearing device, and pinion shaft supporting device 有权
公开(公告)号：JP2004169889A
公开(公告)日：2004-06-17
申请号：JP2002339624
申请日：2002-11-22
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： KAWAMURA MOTOJI , IWAWAKI TAKESHI , YOKOTA KUNIHIKO
IPC分类号： F16C33/78 , F16C19/18 , F16C33/58 , F16C33/66 , F16H57/021 , F16H57/037 , F16H57/038 , F16H57/039 , F16H57/04 , F16H57/02
CPC分类号： F16C19/184 , F16C33/6603 , F16C33/78 , F16C35/067 , F16C2240/76 , F16C2361/61 , F16H2048/423
摘要： PROBLEM TO BE SOLVED: To achieve compactness, light weight, and low torque of a pinion shaft 5 in a pinion shaft supporting bearing device 1 for supporting a trunk part 5a of the pinion shaft 5 having a pinion gear 5b at one end.
SOLUTION: A plurality of lines of outward angular ball bearings 6 are used for supporting the pinion shaft 5, inner space of the bearing 6 is sealed with seals 20 and 30 installed at both axial ends, and grease is enclosed in the sealed inner space of the bearing. In this case, oil used for a subject device of the pinion shaft 5 is not introduced into the bearing 6, thereby nonconformity generated in conventional examples in which oil is introduced into the bearing 6 is eliminated.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003343585A Ball bearing and double-row ball bearing 审中-公开
标题翻译：球轴承和双滚珠轴承
公开(公告)号：JP2003343585A
公开(公告)日：2003-12-03
申请号：JP2002155353
申请日：2002-05-29
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： KAWAMURA MOTOJI , YOKOTA KUNIHIKO
IPC分类号： F16C33/66 , F16C19/14 , F16C33/58
CPC分类号： F16C33/6677
摘要： PROBLEM TO BE SOLVED: To solve the problem wherein when a vehicle is towed, a drive power source is driven in the state where its drive is stopped, in this case, particularly an input shaft, a countershaft is not oil lubricated because they are disposed on an upper part in a housing.
SOLUTION: When the vehicle is towed in a power transmission state of the drive stopping, as the countershaft is rotated around the axial center, both inner race members 3, 4 are rotated around the axes, and when balls 6, 7 of both the rows are rolled, lubricating oils held in oil reservoirs 16, 17 are supplied to the balls 6, 7 of the rows. Accordingly, for example, even when the towing distance of the vehicle is long, seizing of the inner race orbit surfaces 12, 14 and the outer race orbit surfaces 10, 11 is prevented.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题为了解决当车辆被牵引时，在其驱动停止的状态下驱动动力源，在这种情况下，特别是输入轴的情况下，中间轴不被油润滑，因为它们被布置在壳体中的上部。解决方案：当车辆在驱动停止的动力传递状态下被牵引时，随着中间轴围绕轴向中心旋转，两个内座圈构件3,4围绕轴线旋转，并且当球6,7的两排被轧制，保持在储油器16,17中的润滑油被供给到行的滚珠6,7中。因此，例如即使在车辆的牵引距离长的情况下，也能够防止内圈轨道面12,14和外圈轨道面10,11的卡住。版权所有（C）2004，JPO

6. 发明专利

JP2006009932A Clutch-release bearing 审中-公开
标题翻译：离合器释放轴承
公开(公告)号：JP2006009932A
公开(公告)日：2006-01-12
申请号：JP2004187299
申请日：2004-06-25
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YOKOTA KUNIHIKO
IPC分类号： F16D23/14
CPC分类号： F16C19/163 , F16C33/78 , F16C2361/43
摘要： PROBLEM TO BE SOLVED: To provide a clutch-release bearing capable of ensuring sealing property by preventing slide for an outer ring of an anti-diaphragm spring side sealing member.
SOLUTION: The anti-diaphragm spring side sealing member 16 is composed of a core metal unit 24 and an elastic seal 25. The core metal unit 24 has an elastically deformable fitting part 24c fitted into a cylindrical part 11a of the outer ring 11. The elastic seal 25 has a protruding part 25c protruding outward in the axial direction more than the core metal unit 24. The fitting part 24c of the core metal unit 24 is fitted into an annular channel 26 provided in the cylindrical part 11a of the outer ring 11. The protruding part 25c of the elastic seal 25 is brought into contact with an inner side face of a flange part 11b of the outer ring 11.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够通过防止防隔膜弹簧侧密封构件的外圈滑动来确保密封性的离合器释放轴承。解决方案：防隔膜弹簧侧密封构件16由芯金属单元24和弹性密封件25构成。芯金属单元24具有嵌合在外圈的圆筒部11a中的可弹性变形的嵌合部24c 弹性密封件25具有比芯金属单元24更向轴向突出的突出部25c。芯金属单元24的嵌合部24c嵌合在设置于该金属单元24的圆筒部11a的环状槽26内。外圈11.弹性密封件25的突出部25c与外圈11的凸缘部11b的内侧面接触。（C）2006年，JPO＆NCIPI

7. 发明专利

JP2003021154A Double row tapered roller bearing device and assembly method for the same 审中-公开
标题翻译：双辊滚动轴承装置及其组装方法
公开(公告)号：JP2003021154A
公开(公告)日：2003-01-24
申请号：JP2001209322
申请日：2001-07-10
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YOKOTA KUNIHIKO
IPC分类号： F16C25/06 , F16C19/38 , F16C35/067
CPC分类号： F16C19/386 , F16C2361/61
摘要： PROBLEM TO BE SOLVED: To provide a double row tapered roller bearing device and an assembly method therefor that can reconcile assembly workability and support rigidity.
SOLUTION: The double row tapered roller bearing device applies no axial preload to a bearing 10 when an outer ring 2 is assembled in a fitting portion 1A, so that the outer ring 2 of the double row tapered roller bearing 10 has a clearance fit of an outer circumference in the fitting portion 1A and can develop an easy fit in the fitting portion 1A. After the outer ring 2 is assembled in the fitting portion 1A, a preload can be applied to the bearing 10 to expand the outer ring 2 radially and develop an interference fit of the outer ring 2 in the fitting portion 1A.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种可以调节组装操作性和支撑刚性的双列圆锥滚子轴承装置及其组装方法。解决方案：当外圈2组装在装配部分1A中时，双列圆锥滚子轴承装置不对轴承10施加轴向预载，使得双列圆锥滚子轴承10的外圈2具有间隙配合并且可以在装配部1A中容易地配合。在外圈2组装在装配部1A中之后，可以对轴承10施加预载以使外圈2径向膨胀，并使外圈2在配合部1A中的过盈配合。

8. 发明专利

JP2006009931A Clutch-release bearing 有权
标题翻译：离合器释放轴承
公开(公告)号：JP2006009931A
公开(公告)日：2006-01-12
申请号：JP2004187298
申请日：2004-06-25
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YOKOTA KUNIHIKO
IPC分类号： F16D23/14
摘要： PROBLEM TO BE SOLVED: To provide a clutch-release bearing capable of improving sealing property.
SOLUTION: A diaphragm spring side sealing member 15 is composed of a core metal unit 21 and an elastic seal 22. The elastic seal 22 has a main seal lip 22a in contact with an inner ring 12 and an auxiliary seal lip 22b provided on an outer side in the axial direction more than the main seal lip 22a and opposing to the inner ring 12 in a non-contact manner. An annular projecting part 23 for increasing labyrinth sealing effect between the auxiliary seal lip 22b of the elastic seal 22 and it is provided in an end part in the axial direction of the inner ring 12.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够提高密封性的离合器释放轴承。解决方案：膜片弹簧侧密封构件15由芯金属单元21和弹性密封件22组成。弹性密封件22具有与内圈12和辅助密封唇22b接触的主密封唇22a和提供的辅助密封唇22b 在轴向上的外侧比主密封唇缘22a更靠近非接触的方式与内圈12相对。用于增加弹性密封件22的辅助密封唇缘22b之间的迷宫密封效果的环形突出部23设置在内圈12的轴向的端部。（C）2006，JPO＆NCIPI

9. 发明专利

JP2005273796A Bearing device for supporting pinion shaft 审中-公开
标题翻译：用于支撑PIN轴的轴承装置
公开(公告)号：JP2005273796A
公开(公告)日：2005-10-06
申请号：JP2004088949
申请日：2004-03-25
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： JO HIROSHI , YOKOTA KUNIHIKO
IPC分类号： F16H48/08 , B60B27/00 , F16C19/16 , F16C19/36 , F16C19/54 , F16C33/46 , F16C33/54 , F16C33/66 , F16C35/06 , F16H48/38 , F16H57/021 , F16H57/037 , F16H57/038 , F16H57/039 , F16H57/04 , F16H57/02
CPC分类号： F16C33/6674 , F16C19/364 , F16C19/54 , F16C33/543 , F16C33/6651 , F16C2240/40 , F16C2361/61 , F16H57/021 , F16H57/037 , F16H57/0421 , F16H57/0471 , F16H57/0483 , F16H2048/423
摘要： PROBLEM TO BE SOLVED: To provide a pinion shaft supporting device to support a pinion shaft 2 fitted at one end with a pinion 2a inside a housing 1 through two oblique contacting rolling bearings 3 and 4, which are put in back-to-back combination and lubricated in an oil bath, wherein the lubricating oil passing amount of a tapered roller bearing 3 installed on the pinion 2a side is made able to be restricted without using separate component so as to reduce the stirring resistance of the lubricating oil in the tapered roller bearing 3. SOLUTION: The oblique contacting rolling bearings on the pinion 2a side are constructed as tapered roller bearings 3. A retainer 14 of the tapered roller bearing 3 is formed with a greater diameter than the virtual conical plane formed by tying together the rotational axes G of the tapered rollers 13, and a flange 14b facing inward in the radial direction is installed at the minor diameter end of the retainer, while the inside diameter d of the flange 14b is made smaller than the outside diameter D of the minor flange part 12c of the inner ring 12, and the flange 12c is installed confronting the front face of the inner ring 12 in non-contact arrangement. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种小齿轮轴支撑装置，以通过两个倾斜接触的滚动轴承3和4将一端装有小齿轮2a的小齿轮轴2支撑在壳体1内，在油浴中进行润滑，其中，通过使用安装在小齿轮2a侧的圆锥滚子轴承3的润滑油通过量，能够在不使用分离部件的情况下进行限制，能够降低润滑油的搅拌阻力锥形滚子轴承3.解决方案：小齿轮2a侧的倾斜接触滚动轴承被构造为圆锥滚子轴承3.圆锥滚子轴承3的保持器14形成为具有比形成的虚拟圆锥面大的直径通过将圆锥滚子13的旋转轴线G和沿径向面向内的凸缘14b连接在保持器的小直径端部，而fla的内径d nge 14b小于内圈12的副凸缘部12c的外径D，并且凸缘12c以非接触的方式安装成与内圈12的前表面相对。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005069421A Conical roller bearing 有权
标题翻译：圆锥滚子轴承
公开(公告)号：JP2005069421A
公开(公告)日：2005-03-17
申请号：JP2003302353
申请日：2003-08-27
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： ONO KENICHI , YOKOTA KUNIHIKO
IPC分类号： F16C33/78 , F16C19/36 , F16C33/36 , F16C33/46 , F16C33/54 , F16C33/58 , F16C33/66 , F16C33/80
CPC分类号： F16C33/6674 , F16C19/364 , F16C33/543 , F16C2361/61
摘要： PROBLEM TO BE SOLVED: To provide a conical roller bearing which can make the flow of the oil inside a bearing appropriate, and moreover, can allow the variations at the time of manufacturing to some extent. SOLUTION: The conical roller bearing 1 has an outer ring 2, an inner ring 3, a plurality of conical rollers 4, and a retainer 5. The end part 12 on the small diameter side of the inner ring 3 is composed of a small diameter collar part 14 for regulating the axial movement of the conical roller 4 and a cylindrical part 15 whose diameter is smaller than the small diameter collar part 14 and which is continuous to the outside in the axial direction of the small diameter collar part 14. The end part 18 on the small diameter side of the retainer 5 has a bent part 19 bent radially internally. The bent part 19 is made to face the outer diameter of the cylindrical part 15 of the inner ring 3 at intervals so as to form a labyrinth in-between the inner ring 3. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种圆锥滚子轴承，其可使油在轴承内的流动适当，并且还可以允许制造时的变化在一定程度上。
解决方案：圆锥滚子轴承1具有外圈2，内圈3，多个圆锥滚子4和保持器5.内圈3的小直径侧的端部12由用于调节圆锥滚子4的轴向运动的小直径凸缘部分14和其直径小于小直径凸缘部分14并且在小直径凸缘部分14的轴向方向上与外部连续的圆柱形部分15 保持器5的小直径侧的端部18具有径向向内弯曲的弯曲部19。使弯曲部19与内圈3的圆筒部15的外径相隔一定距离地形成内圈3之间的迷宫。（C）2005，JPO＆NCIPI

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