专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2005273471A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2005273471A
公开(公告)日：2005-10-06
申请号：JP2004084473
申请日：2004-03-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： OKITA SHIGERU , NARUSHIGE ATSUSHI , UCHIDA AKIRA
IPC分类号： F04B39/00 , C21D9/40 , C22C38/00 , C22C38/38 , F16C19/04 , F16C19/24 , F16C33/62 , F16C33/64 , F16C35/063
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing whose service life is elongated even when the bearing is used for a compressor operated under lubrication by refrigerating machine oil containing a refrigerant.
SOLUTION: In the rolling bearing, a plurality of rolling elements 3 are circumferentially arranged in an inner race 1 and an outer race 2 to be capable of rolling, and the inner race 1 is fixed by a fitting mechanism, and the rolling bearing is used for the compressor operated under lubrication of refrigerating machine oil containing the refrigerant. Carbonitriding treatment is applied to the inner race or the inner and outer races 1, 2, and size stabilizing treatment is further applied to make residual austenite amount of a core part be lower than 5 volume percent and make the austenite amount of a surface be 5 volume percent or more.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种使用寿命长的滚动轴承，即使当轴承用于通过包含制冷剂的冷冻机油在润滑下操作的压缩机时。解决方案：在滚动轴承中，多个滚动体3周向地布置在内圈1和外圈2中以能够滚动，并且内圈1通过装配机构固定，并且滚动轴承用于在含有制冷剂的冷冻机油的润滑下操作的压缩机。对内圈或内圈和外圈1,2施加碳氮共渗处理，进一步施加尺寸稳定化处理，使芯部的残余奥氏体量低于5体积％，使表面的奥氏体量为5 体积百分比或更多。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2014101946A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2014101946A
公开(公告)日：2014-06-05
申请号：JP2012254606
申请日：2012-11-20
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C33/66 , F04B39/00 , F16C19/16 , F16C19/26 , F16C33/38 , F16C33/46
CPC分类号： F16C33/3856 , F16C19/163 , F16C19/26 , F16C33/3806 , F16C33/4605 , F16C33/4635 , F16C33/6651
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing which has high mass productivity, is cheap, is hard to arise bearing loss and slip deterioration, and has superior lubrication.SOLUTION: An angular contact ball bearing comprises an inner ring 1, an outer ring 2, a rolling element 3, a cage 4 and lubricant. The cage 4 is manufactured by injection-molding a resin material in a metal mold and is an outer ring guide system guided by an internal perimeter surface of the outer ring 2. An outside peripheral surface of the cage 4 faces with the internal perimeter surface of the outer ring 2 which is a cage guide surface guiding the cage 4, and is a guided surface guided by the internal perimeter surface of the outer ring 2. A concavity 10 extending linearly along an axial direction is formed on the outer peripheral surface of a part of a column 4b located between neighboring pocket 4a, 4a in the peripheral surfaces of the cage 4. A parting line 12 is formed within the concavity 10.
摘要翻译：要解决的问题：为了提供具有高质量生产率，便宜的滚动轴承，难以产生轴承损失和滑动劣化，并且具有优异的润滑。解决方案：角接触球轴承包括内圈1，外圈 2，滚动体3，保持架4和润滑剂。笼4通过在金属模具中注塑成型树脂材料制成，并且是由外圈2的内周面引导的外环导向系统。保持架4的外周面与内周面作为引导保持架4的保持架引导面的外圈2，是由外圈2的内周面引导的被引导面。沿轴向线性延伸的凹部10形成在a的外周面上位于保持架4的外围表面中的位于相邻的袋4a，4a之间的柱4b的一部分。分型线12形成在凹部10内。

3. 发明专利

JP2006077905A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2006077905A
公开(公告)日：2006-03-23
申请号：JP2004263451
申请日：2004-09-10
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C33/66 , F16C19/26 , F16C33/46 , F16C33/58
CPC分类号： F16C33/4605 , F16C19/26 , F16C33/467 , F16C33/6681
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing, restraining the occurrence of abrasion, galling and so on in a sliding contact surface between a guide surface of a cage and a guide surface of a race by favorable lubrication at the initial stage of rotation and securing the flow (supply) of a lubricant to the sliding contact surface to lengthen the life. SOLUTION: The cage 5 includes: a radial groove 5e formed on the side wall 5d of a pocket 5d opposite to the side 4a of a roller 4 to communicate the outer peripheral surface 5a of the cage 5 with the inner peripheral surface 5h thereof; and an axial groove 5g formed in the axial direction on the guide surface 5a of the cage 5. One of the guide surface 5a of the cage 5 and the peripheral surface 2c of the race 2 has an annular grove 5f between the radial groove 5e and the axial groove 5g in the axial direction to communicate the radial groove 5e of the cage 5 with the axial groove 5g thereof. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供滚动轴承，通过在初始阶段的良好润滑来限制保持架的引导表面和滚道的引导表面之间的滑动接触表面中的磨损，磨损等的发生的旋转并且确保润滑剂向滑动接触表面的流动（供应）以延长使用寿命。保持架5包括：形成在与辊4的侧面4a相对的凹部5d的侧壁5d上的径向槽5e，以将保持架5的外周面5a与内周面5h连通物; 以及在保持器5的引导面5a上沿轴向形成的轴向槽5g。保持架5的引导面5a和座圈2的周面2c之间的径向槽5e和沿轴向的轴向槽5g将保持架5的径向槽5e与轴向槽5g连通。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2008256024A Rolling bearing device 审中-公开
标题翻译：滚动轴承装置
公开(公告)号：JP2008256024A
公开(公告)日：2008-10-23
申请号：JP2007096705
申请日：2007-04-02
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C19/49 , F04B39/00 , F04C18/02 , F04C29/00 , F16C33/58
CPC分类号： F16C19/49 , F16C2360/42
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive rolling bearing device improved in wear characteristics of a bearing. SOLUTION: This rolling bearing device 30 for supporting a turning scroll member 1 to which a radial load and a thrust load are simultaneously applied includes a cylindrical rolling bearing 31 receiving the radial load and an angular ball bearing 32 arranged adjacently to the cylindrical rolling bearing 31 and receiving the thrust load. A first inner ring raceway surface 35a on which the cylindrical roller 31 of the cylindrical rolling bearing 31 rolls and a second inner ring raceway surface 35b on which the ball 42 of the angular ball bearing 32 rolls are formed on the peripheral surface of a single inner ring 35. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供改善轴承的磨损特性的便宜的滚动轴承装置。解决方案：用于支撑同时施加径向载荷和推力载荷的转动涡旋构件1的滚动轴承装置30包括承受径向载荷的圆柱形滚动轴承31和邻近圆柱形的角球轴承32 滚动轴承31并承受推力载荷。圆筒滚子轴承31的圆筒滚子31滚动的第一内圈滚道表面35a和角球轴承32的滚珠42在其上滚动的第二内圈滚道表面35b形成在单个内圈 35号。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008095794A Creep preventing rolling bearing and rolling bearing device 审中-公开
标题翻译：防止滚动轴承和滚动轴承装置
公开(公告)号：JP2008095794A
公开(公告)日：2008-04-24
申请号：JP2006277418
申请日：2006-10-11
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C35/067 , F16C33/58
CPC分类号： F16C35/067 , F16C19/54 , F16C33/586 , F16C2380/26
摘要： PROBLEM TO BE SOLVED: To provide a creep preventing rolling bearing and a rolling bearing device, capable of surely preventing a creep even if creep force is caused in an outer ring by unbalanced loads on a rotating shaft. SOLUTION: The creep preventing rolling bearing 9 comprises an inner ring 11, an outer ring 12, and a plurality of rolling elements 13 disposed rollably between the inner ring 11 and the outer ring 12. The outer ring 12 has a first outer circumferential surface 12a at one axial end and a circular flange 12c protruded radially outward from the first outer circumferential surface 12a at the other axial end to form a second outer circumferential surface 12b. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止滚动的滚动轴承和滚动轴承装置，即使在旋转轴上的不平衡载荷下在外圈产生蠕变力也能够确实地防止蠕变。解决方案：防滑滚动轴承9包括内圈11，外圈12和可滚动地设置在内圈11和外圈12之间的多个滚动元件13.外圈12具有第一外圈在一个轴向端部处的圆周表面12a和在另一轴向端处从第一外周表面12a径向向外突出的圆形凸缘12c，以形成第二外圆周表面12b。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007303563A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2007303563A
公开(公告)日：2007-11-22
申请号：JP2006132872
申请日：2006-05-11
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C33/44 , F16C33/42
CPC分类号： F16C33/412 , F16C19/06 , F16C33/3831
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing whose retainer is increased in mechanical strength to enable an allowable revolution speed to be increased, leading to advantages in cost and availability. SOLUTION: A deeply-groove ball bearing 10 is equipped with an inner ring 11, an outer ring 12, a plurality of balls 13 and a crown-like retainer 14. The crown-like retainer 14 includes a main body 21 formed of a high-polymer material and a reinforced portion formed of a metallic material molded integrally with the main body 21. The reinforcement portion 22 includes the surface 22a of an inner circumference whose diameter is larger than that of the inner circumference 21a of the main body 21 and the surface 22b of an outer circumference whose diameter is smaller than 21b that of the outer circumference of the main body 21. In the reinforcement portion 22, at least one of the surface 22a of the inner circumference and surface 22b of the outer circumference of the reinforcement portion 22 is exposed from the main body 21. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种保持架增加机械强度以允许允许的转速提高的滚动轴承，从而具有成本和可用性的优点。解决方案：深沟球轴承10配备有内圈11，外圈12，多个球13和冠状保持器14.冠状保持器14包括形成的主体21 高分子材料和由与主体21一体模制的金属材料形成的加强部分。加强部分22包括内径的表面22a，其内径的直径大于主体的内周21a的直径 21和直径小于主体21的外周面的21b的外周的表面22b。在加强部22中，内周面22a和外周面22b的至少一个加强部分22从主体21露出。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007051706A Rolling bearing device 审中-公开
标题翻译：滚动轴承装置
公开(公告)号：JP2007051706A
公开(公告)日：2007-03-01
申请号：JP2005237598
申请日：2005-08-18
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C27/06 , F16C19/16 , F16C25/08 , F16C33/58 , F16C35/077 , H02K5/173
CPC分类号： F16C35/067 , F16C19/06 , F16C33/586 , F16C2226/10 , F16C2380/26
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing device capable of exercising superior creep-preventing performance by relieving expansion and contraction of a shaft due to temperature change, and facilitating its mounting and demounting work. SOLUTION: This rolling bearing device 30 comprises a rolling bearing 9 having an inner ring 11, an outer ring 12 having a notch portion 12d over an outer peripheral face 12a and an axial end face 12b, and a plurality of rolling elements 13 rollably disposed between the inner ring 11 and the outer ring 12, a creep-preventing member 21 mounted in opposition to the axial end face 12b of the outer ring 12, and kept into contact with the axial end face 12b so that it can be advanced to the notch portion 12d when the notch portion 12d and a circumferential phase are agreed with each other, and an elastic member 22 for energizing the creep-preventing member 21 toward the axial end face 12b of the outer ring 12. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过缓解由于温度变化引起的轴的膨胀和收缩而具有优异的抗蠕变性能的滚动轴承装置，并且便于其安装和拆卸工作。解决方案：该滚动轴承装置30包括具有内圈11的滚动轴承9，在外周面12a上具有切口部分12d的外圈12和轴向端面12b，以及多个滚动元件13 可滚动地设置在内圈11和外圈12之间，防止构件21与外圈12的轴向端面12b相对安装，并与轴向端面12b保持接触，使其能够前进当切口部分12d和周向相位彼此一致时，到切口部分12d;以及用于使防蠕动构件21朝向外圈12的轴向端面12b通电的弹性构件22.权利要求：（C）2007，JPO＆INPIT

8. 发明专利

JP2006308016A Bearing device 审中-公开
标题翻译：轴承装置
公开(公告)号：JP2006308016A
公开(公告)日：2006-11-09
申请号：JP2005132606
申请日：2005-04-28
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C21/00 , F04C18/16 , F04C29/00 , F16C17/08 , F16C19/16 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a bearing device with a rotating shaft in which bidirectional axial load occurs and a rolling bearing for supporting the rotating shaft, having a smaller size and higher mechanical efficiency resulting in more efficient work for assembling the rolling bearing.
SOLUTION: The bearing device 10 comprises the rotating shaft 12 and an angular contact type rolling bearing 15 for rotatably supporting the rotating shaft 12. The rolling bearing 15 has an inner ring 22 which is formed with its axial end closed at its operation point and a closed portion 25 curved to be protruded outward in the axial direction. It also has a sliding contact member 20 to be in sliding contact with the closed portion 25 of the inner ring 22 on the axial center.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种轴承装置，其具有双向轴向载荷的旋转轴和用于支撑旋转轴的滚动轴承，具有较小的尺寸和较高的机械效率，导致用于组装滚动的更有效的工作轴承。解决方案：轴承装置10包括旋转轴12和用于可旋转地支撑旋转轴12的角接触式滚动轴承15.滚动轴承15具有内环22，内环22的轴向端在其操作并且在轴向上弯曲成向外侧突出的封闭部25。它还具有滑动接触构件20，以在轴向中心与内圈22的封闭部分25滑动接触。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006214553A Rolling bearing device 审中-公开
标题翻译：滚动轴承装置
公开(公告)号：JP2006214553A
公开(公告)日：2006-08-17
申请号：JP2005029446
申请日：2005-02-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C19/49 , F04C18/02 , F04C29/00
CPC分类号： F16C19/49 , F16C2360/42
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing device having low frictional loss and high durability and formed in a simple structure. SOLUTION: This rolling bearing device comprises a roller bearing part 11 receiving a radial load and a thrust ball bearing part 12 receiving a thrust load. The roller bearing part 11 and the thrust ball bearing part 12 share an inner ring 13. The inner ring 13 is fixedly fitted onto a rotating shaft 7, comprises, on its outer peripheral surface, a raceway surface 13a for rollers of the roller bearing part 11 and, at its one side surface, a raceway groove 13b for balls 19 of the thrust ball baring part 12. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有低摩擦损失和高耐久性并以简单结构形成的滚动轴承装置。解决方案：该滚动轴承装置包括承受径向载荷的滚子轴承部分11和承受推力载荷的推力球轴承部分12。滚子轴承部分11和推力球轴承部分12共享内环13.内环13固定地装配到旋转轴7上，在其外圆周表面上包括用于滚子轴承部分的滚子的滚道表面13a 11，并且在其一个侧表面具有用于推力球露出部分12的滚珠19的滚道槽13b。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2006077881A Creep preventing rolling bearing and creep preventing rolling bearing device 审中-公开
标题翻译：防止滚动轴承和防止滚动轴承装置
公开(公告)号：JP2006077881A
公开(公告)日：2006-03-23
申请号：JP2004262292
申请日：2004-09-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA AKIRA
IPC分类号： F16C33/58 , F16C35/067
摘要： PROBLEM TO BE SOLVED: To provide a creep preventing rolling bearing and a creep preventing rolling bearing device, simply performing assembling without any influence upon the fitting surface of an outer ring and a housing, and fully exhibiting the performance of releasing expansion and contraction of a shaft and the creep preventing performance.
SOLUTION: This device includes an outer ring 12 having a circular flange 16 forming a first outer peripheral surface 12a on one end side in the axial direction, and projected in the radial direction from the first outer peripheral surface 12a on the other end side in the axial direction to form a second outer peripheral surface 16a. The second outer peripheral surface 16a is provided with at least one flat surface part 17, the circumferential surface of which is partially cut out.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供防止滚动的防滚动轴承和防止滚动的滚动轴承装置，简单地进行组装而不会影响外圈和外壳的装配表面，并且完全展现了释放膨胀的性能，轴的收缩和防止蠕变性能。解决方案：该装置包括外环12，该外环12具有在轴向一端侧形成第一外周表面12a的圆形凸缘16，并且在另一端从第一外周表面12a沿径向突出在轴向方向上形成第二外周面16a。第二外周面16a设置有至少一个平坦表面部分17，其圆周表面部分地被切出。版权所有（C）2006，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式