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1. 发明专利

JP2008261416A Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：JP2008261416A
公开(公告)日：2008-10-30
申请号：JP2007104141
申请日：2007-04-11
申请人： Ntn Corp , Ntn株式会社
发明人： SATOU NORIHIDE , SAKAGUCHI TOMOYA , GOTOU TOMOAKI , MURAMATSU MAKOTO
IPC分类号： F16C33/78 , F16C33/38 , F16C33/66
CPC分类号： F16C33/427 , F16C19/06 , F16C33/3887 , F16C33/726 , F16C33/7823 , F16C33/7856
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing simultaneously and inexpensively achieving reduced torque, grease leakage resistance, dust resistance, and space saving. SOLUTION: A projection 17 is formed on the inner surface of a seal lip. When the seal lip 12 is pushed to the inside due to a pressure difference, the projection 17 is brought into contact with the inner surface 16 of a seal groove 9 to thereby partially elastically deforming the seal lip 12 to form an air passage. The inner surface of each pocket of a retainer 4 is formed into a recessed curved surface with an inner diameter portion formed smaller than a ball arrangement pitch circle according as it approaches an opening edge on the side of the inner diameter of the retainer, and a recessed portion extending from the opening edge on the side of the inner diameter of the retainer to the side of the outer diameter of the retainer is formed in the inner surface of each pocket. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供滚动轴承同时且廉价地实现扭矩减小，耐油脂渗漏性，防尘性和节省空间。解决方案：凸缘17形成在密封唇的内表面上。当密封唇12由于压力差被推到内部时，突起17与密封槽9的内表面16接触，从而部分弹性变形密封唇12以形成空气通道。保持器4的每个凹部的内表面形成为凹入的弯曲表面，其内径部分形成为小于球形节圆，当其接近保持器的内径侧的开口边缘时，在每个口袋的内表面上形成有从保持器的内径的一侧的开口边缘延伸到保持器的外径侧的凹部。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007092833A Sealed type double row rolling bearing 审中-公开
标题翻译：密封型双向滚动轴承
公开(公告)号：JP2007092833A
公开(公告)日：2007-04-12
申请号：JP2005281296
申请日：2005-09-28
申请人： Ntn Corp , Ntn株式会社
发明人： GOTOU TOMOAKI
IPC分类号： F16C33/66 , F16C19/18 , F16C33/41 , F16C33/76
CPC分类号： F16C33/6622 , F16C19/184 , F16C33/416
摘要： PROBLEM TO BE SOLVED: To prevent leakage of grease from a bearing space in a sealed type double row rolling bearing. SOLUTION: A sealing member on one side and a crown-shaped cage are removed to pour grease A into the bearing space by using a grease pouring instrument 11 so as to thread through a clearance in the peripheral direction among balls 3 arranged on a removing side, and amount of grease sealed between rows of balls 3 arranged in two rows is set to be 60% or more of total amount of sealed grease to reduce amount of grease unevenly distributed near the sealing member and prevent leakage of grease from the bearing space. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止密封型双列滚动轴承中的轴承空间中的润滑脂泄漏。解决方案：去除一侧的密封构件和冠形保持架，通过使用润滑脂浇注器11将润滑脂A注入到轴承空间中，以便在布置在其上的球3之间沿圆周方向穿过间隙除去一侧，排列成两排的滚珠3之间密封的油脂量设定为密封润滑脂总量的60％以上，以减少在密封构件附近不均匀分布的润滑脂的量，并防止润滑脂从轴承空间。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007051761A Sealing structure of rolling bearing 审中-公开
标题翻译：滚动轴承密封结构
公开(公告)号：JP2007051761A
公开(公告)日：2007-03-01
申请号：JP2006027367
申请日：2006-02-03
申请人： Ntn Corp , Ntn株式会社
发明人： GOTOU TOMOAKI , MURAMATSU MAKOTO , FUJINIWA IKUO
IPC分类号： F16C33/78
CPC分类号： F16C33/726 , F16C19/06 , F16C33/7823 , F16C33/7856
摘要： PROBLEM TO BE SOLVED: To provide a sealing member which is excellent in preventing an absorption phenomenon, heat resistance and chemical resistance, while securing sealing properties at all times.
SOLUTION: A projection 17 is formed inside a seal lip 12. The projection 17 is regularly non-contacted with the inside surface of a seal groove 7. When the pressure difference is generated between a bearing inside and a bearing outside partitioned by a seal member 4, and the seal lip 12 is internally pushed, the projection 17 is brought in contact with the inside surface 16 of the seal groove 7. The seal lip 12 near the contact is partially and elastically deformed by the contact of the projection 17, so as to form an air passage 18 to communicate the bearing inside with the bearing outside.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一直保持密封性的同时优异地防止吸收现象，耐热性和耐化学性的密封构件。解决方案：突起17形成在密封唇12的内部。突起17与密封槽7的内表面规则地不接触。当在轴承内侧和轴承外部产生压力差时，密封构件4和密封唇12被内部推动，突起17与密封槽7的内表面16接触。靠近触头的密封唇12通过突出部的接触部分地弹性变形 17，以形成将轴承内部与轴承外部连通的空气通道18。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006258288A Rolling bearing for fuel cell system 审中-公开
标题翻译：用于燃料电池系统的滚动轴承
公开(公告)号：JP2006258288A
公开(公告)日：2006-09-28
申请号：JP2006013097
申请日：2006-01-20
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , GOTOU TOMOAKI
IPC分类号： F16C33/78 , C10M115/08 , C10M119/22 , C10M169/02 , C10N30/06 , C10N30/08 , C10N30/12 , C10N40/02 , C10N50/10 , F16C33/66 , H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for a fuel cell system with excellent reliability and durability in which deterioration of an elastic body of a sealing plate, i.e., a sealing member is small even under a high speed/high temperature condition and good sealing property is maintained for a long period of time in a bearing filled with a grease containing an urea compound. SOLUTION: The rolling bearing 1 for the fuel cell system is provided with an inner ring 2 and an outer ring 3; and a plurality of rolling bodies interposed between the inner ring 2 and the outer ring 3. The rolling bearing 1 is provided with the grease 7 filled in a periphery of the rolling bodies and containing the urea compound; and the sealing member 6 provided in both end openings 8a, 8b in an axial direction of the inner ring 2 and the outer ring 3 and sealing the grease 7. The sealing member 6 has a rubber molded body at least contacted with the grease and the rubber molded body is a molded body of a vulcanizable fluorine rubber composition containing tetrafluoroethylene, propylene and a monomer for vulcanization comprising an unsaturated hydrocarbon having 2-4 carbon atoms in which a part of hydrogen atoms is substituted by a fluorine atom. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供具有优异的可靠性和耐久性的燃料电池系统的滚动轴承，即使在高速/高温下密封板（即，密封构件）的弹性体的劣化也很小在填充有含有尿素化合物的润滑脂的轴承中长期保持良好的密封性能。解决方案：用于燃料电池系统的滚动轴承1设置有内圈2和外圈3; 以及插入在内圈2和外圈3之间的多个滚动体。滚动轴承1设置有填充在滚动体的周围并容纳尿素化合物的润滑脂7; 以及在内圈2和外圈3的轴向上设置在两个端部开口8a，8b中的密封构件6，并且密封润滑脂7.密封构件6具有至少与润滑脂接触的橡胶成形体，橡胶成型体是含有四氟乙烯，丙烯和硫化用单体的硫化氟橡胶组合物的成型体，其中，含有一部分氢原子被氟原子取代的具有2-4个碳原子的不饱和烃。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005226830A Rolling bearing for alternator 审中-公开
标题翻译：替代轴承滚动轴承
公开(公告)号：JP2005226830A
公开(公告)日：2005-08-25
申请号：JP2005004008
申请日：2005-01-11
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI , GOTOU TOMOAKI
IPC分类号： F16C33/78 , C09K3/10 , F16C33/66
CPC分类号： Y02E70/30
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for alternators, which has less deterioration in properties even when immersed in grease containing an urea compound, can efficiently prevent the leakage of the grease, is used in automobiles used in severe environments and can have improved durability. SOLUTION: The rolling bearing for alternators which is rotation-driven by an engine output, comprising an inner ring and an outer ring; a plurality of rolling elements interposed between the inner and outer rings; and a seal member for sealing urea-based grease on the periphery of this rolling element, the seal member being provided in opening parts at both ends of the inner and outer rings, wherein the seal member for sealing this grease is a rubber mold which contacts at least the grease, and the rubber mold is a mold of a curable fluororubber composition which comprises a copolymer comprising tetrafluoroethylene, propylene and a crosslinking monomer comprising an unsaturated hydrocarbon having carbon atoms of 2 to 4 in which some hydrogen atoms is substituted by fluorine atoms. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使浸入含有尿素化合物的润滑脂中也具有较少的性能劣化的交流发电机用滚动轴承，能够有效地防止润滑脂的泄漏，用于恶劣环境下使用的汽车中，可以改善耐用性。解决方案：用于由发动机输出旋转驱动的交流发电机的滚动轴承，包括内圈和外圈; 插入在所述内圈和外圈之间的多个滚动元件; 以及用于在该滚动体的周围密封脲基润滑脂的密封构件，密封构件设置在内圈和外圈的两端的开口部中，其中用于密封该润滑脂的密封构件是橡胶模，至少该润滑脂和橡胶模具是可固化氟橡胶组合物的模具，其包含包含四氟乙烯，丙烯和包含碳原子数为2〜4的不饱和烃的交联单体的共聚物，其中一些氢原子被氟原子取代。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004301321A Bearing for alternator and bearing for pulley 审中-公开
公开(公告)号：JP2004301321A
公开(公告)日：2004-10-28
申请号：JP2004013413
申请日：2004-01-21
申请人： Ntn Corp , Ntn株式会社
发明人： OKI TSUTOMU , GOTOU TOMOAKI
IPC分类号： F02B63/04 , F16C33/30 , F16C33/32 , F16C33/34 , F16C33/62 , F16C33/64
CPC分类号： F16C33/62 , F16C19/00 , F16C19/06 , F16C33/30 , F16C33/32 , F16C33/64 , F16C2204/66 , F16C2223/16 , F16C2240/90 , F16C2380/26 , Y10S148/906 , Y10S384/912
摘要： PROBLEM TO BE SOLVED: To provide a bearing for an alternator, and a bearing for a pulley for restraining hydrogen embrittlement separation even in use in a service environment where a load condition easily causes the hydrogen embrittlement separation when hydrogen is generated from grease since a service condition is severe.
SOLUTION: This bearing has a rolling element 3, an inner race 5, and an outer race 7. Among these rolling element, inner race, and outer race, at least one member has a nitrogen enriched layer, and a grain size number of an austenite crystal grain of the member falls within a range exceeding No. 10.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2009063160A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2009063160A
公开(公告)日：2009-03-26
申请号：JP2007234068
申请日：2007-09-10
申请人： Ntn Corp , Ntn株式会社
发明人： KOREMOTO TAKAHIRO , GOTOU TOMOAKI , MURAMATSU MAKOTO , SAKAGUCHI KENTA
IPC分类号： F16C35/067 , F16C19/06 , F16C19/08 , F16C25/08 , F16C27/06
CPC分类号： F16C19/06 , F16C19/08 , F16C2380/26
摘要： PROBLEM TO BE SOLVED: To enable prevention of wear of the inner diameter surface of an aluminum alloy housing without degrading the strength of the outer ring or assemblability thereof to the housing.
SOLUTION: Copper plating 7 is applied on the outer diameter surface of the outer ring 3 which is internally engaged with the inner diameter surface of the housing made of aluminum alloy. Because of this, the wear of the inner diameter surface of the aluminum alloy housing can be prevented without degrading the strength of the outer ring 3 or assemblability to the housing even when creep occurs.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了防止铝合金外壳的内径表面的磨损而不会降低外圈的强度或其与壳体的组合性。
解决方案：将铜镀层7施加在与由铝合金制成的壳体的内径表面内部接合的外圈3的外径表面上。因此，即使发生蠕变，也可以防止铝合金外壳的内径面的磨损，而不会降低外圈3的强度或与壳体的组装性。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2005256891A Rolling bearing for fan coupling, and fan coupling device 审中-公开
标题翻译：风扇联轴器滚动轴承和风扇联轴器
公开(公告)号：JP2005256891A
公开(公告)日：2005-09-22
申请号：JP2004067092
申请日：2004-03-10
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI , GOTOU TOMOAKI
IPC分类号： F04D29/04 , C08F214/26 , C10M115/08 , C10M119/22 , C10M169/02 , C10N30/06 , C10N30/08 , C10N40/02 , F04D29/056 , F04D29/059 , F04D29/06 , F04D29/063 , F16C33/66 , F16C33/78 , F16J15/18
CPC分类号： Y02E70/30
摘要： PROBLEM TO BE SOLVED: To solve the problems of incapability of maintaining favorable seal performance for a long time, or maintaining excellent reliability or durability due to deterioration of seal members resulting from use of a rolling bearing for a fan coupling enclosing grease containing urea compound in high temperature. SOLUTION: This rolling bearing for a fan coupling comprises an inner ring, an outer ring, a plurality of rolling elements provided between the inner ring and the outer ring, and the seal members provided at both axial end opening parts of the inner ring and the outer ring for sealing the urea-based grease around the rolling elements. The seal member for sealing the grease comprises a rubber mold that gets in contact with the grease at least. The rubber mold comprises a mold of fluororubber composition that is vulcanizable including tetrafluoroethylene, propylene, and crosslinkable monomer comprising unsaturated hydrocarbon having 2 to 4 carbon atoms in which part of hydrogen atoms are substituted with fluorine atoms. In the fan coupling device, the rolling bearing for a fan coupling is used. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题：为了解决长时间保持良好的密封性能不能保证的问题，或由于使用用于风扇联轴器的滚动轴承导致的密封件的劣化而保持优异的可靠性或耐久性，包含润滑脂包含脲化合物在高温下。解决方案：用于风扇联轴器的滚动轴承包括内圈，外圈，设置在内圈和外圈之间的多个滚动元件，以及设置在内圈和外圈的两个轴向端部开口部的密封构件环和用于密封围绕滚动元件的尿素润滑脂的外圈。用于密封润滑脂的密封件至少与橡胶模具接触。橡胶模具包括可硫化的包含四氟乙烯，丙烯和可交联单体的氟橡胶组合物的模具，其包含部分氢原子被氟原子取代的具有2至4个碳原子的不饱和烃。在风扇联接装置中，使用用于风扇联轴器的滚动轴承。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005249090A Rolling bearing for flywheel damper and flywheel damper support structure 审中-公开
标题翻译：飞轮阻尼器和飞轮阻尼器支撑结构的滚动轴承
公开(公告)号：JP2005249090A
公开(公告)日：2005-09-15
申请号：JP2004061116
申请日：2004-03-04
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI , GOTOU TOMOAKI
IPC分类号： F16C33/78 , F16C19/06 , F16C33/66 , F16F15/30
CPC分类号： Y02E70/30
摘要： PROBLEM TO BE SOLVED: To hardly cause deterioration of a sealing material, keep good sealing performance for long time, and improve reliability and durability even when a rolling bearing for a flywheel damper filled with grease containing urea compound is used at a high temperature. SOLUTION: This rolling bearing for a flywheel damper includes: an inner ring; an outer ring; a plurality of rolling elements interposed between the inner ring and the outer ring; and sealing materials provided on opening parts at both ends in the axial direction of the inner ring and the outer ring to seal the urea grease in the periphery of the rolling elements. The sealing material for sealing the grease at least includes a rubber formed body coming into contact with the grease. The rubber formed body is a formed body of vulcanizable fluororubber composition made of a copolymer containing tetrafluoroethylene, propylene, and a crosslinkable monomer consisting of unsaturated hydrocarbon having two to four carbon atoms, in which a part of hydrogen atoms is substituted with fluorine atoms, and this flywheel damper support structure uses the rolling bearing for the flywheel damper. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了不会导致密封材料的劣化，长时间保持良好的密封性能，即使在填充有含脲化合物的润滑脂的飞轮阻尼器的滚动轴承以高的位置使用时，也可提高可靠性和耐久性温度。该解决方案：用于飞轮阻尼器的该滚动轴承包括：内圈; 外圈; 插入在所述内圈和所述外圈之间的多个滚动元件; 以及设置在内圈和外圈的轴向两端的开口部上的密封材料，以密封滚动体周围的尿素润滑脂。用于密封润滑脂的密封材料至少包括与油脂接触的橡胶成形体。橡胶成型体是由含有四氟乙烯，丙烯和由一部分氢原子被氟原子取代的碳原子数为2〜4的不饱和烃构成的交联性单体的共聚物构成的可硫化氟橡胶组合物的成形体，以及该飞轮阻尼器支撑结构使用用于飞轮阻尼器的滚动轴承。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2008281073A Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：JP2008281073A
公开(公告)日：2008-11-20
申请号：JP2007124716
申请日：2007-05-09
申请人： Ntn Corp , Ntn株式会社
发明人： SATOU NORIHIDE , SAKAGUCHI TOMOYA , MURAMATSU MAKOTO , GOTOU TOMOAKI
IPC分类号： F16C19/06 , F16C33/38 , F16C33/58 , F16C33/66 , F16C33/78 , F16C33/80
CPC分类号： F16C33/427 , F16C19/06 , F16C33/3887 , F16C33/6629 , F16C33/7853
摘要： PROBLEM TO BE SOLVED: To provide a low torque rolling bearing having resistance to grease leakage, resistance to mud, and a space saving property at the same time and at low cost. SOLUTION: In an annular retainer, a tip end of a seal lip 5c of a contact seal 5 is brought into contact with an inside wall 1c of a seal groove 1a at a contact position lower than an upper end position of an outside wall 1b confronting the inside wall 1c of the seal groove 1a and, about an inner surface of each pocket of the retainer 4, a part closer to an inner diameter side than a ball array pitch circle is formed as a recessed curved surface of which diameter becomes smaller as becoming closer to an opening edge of an inner diameter side of the retainer and a recessed part extending from the opening edge of an inner diameter side of the retainer to an outer diameter side of the retainer is provided in the inner surface of each pocket. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供同时且低成本地具有耐油脂渗漏性，耐泥泥性和节省空间的低扭矩滚动轴承。解决方案：在环形保持器中，接触密封件5的密封唇缘5c的顶端与密封槽1a的内壁1c接触，接触位置低于外部的上端位置壁1b面对密封槽1a的内壁1c，并且围绕保持器4的每个凹部的内表面形成比球形节圆更接近内径侧的部分，作为其直径的凹入曲面变得越靠近保持器的内径侧的开口边缘越小，并且从保持器的内径侧的开口边缘延伸到保持器的外径侧的凹部设置在每个的内表面中口袋。版权所有（C）2009，JPO＆INPIT

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