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1. 发明专利

JP2012140542A Grease composition, grease-enclosed bearing, universal joint, and linear motion device 有权
标题翻译：润滑脂组合物，润滑脂轴承，通用连接和线性运动装置
公开(公告)号：JP2012140542A
公开(公告)日：2012-07-26
申请号：JP2010294495
申请日：2010-12-29
申请人： Ntn Corp , Ntn株式会社
发明人： KAWAMURA TAKAYUKI , ASO MITSUNARI
IPC分类号： C10M169/00 , C10M101/02 , C10M105/04 , C10M105/32 , C10M107/02 , C10M115/08 , C10M125/10 , C10M129/32 , C10M135/10 , C10M135/18 , C10N10/02 , C10N10/04 , C10N10/12 , C10N30/06 , C10N40/00 , C10N40/02 , C10N40/04 , C10N50/10
CPC分类号： C10M133/18 , C10M135/18 , C10M2201/062 , C10M2203/1006 , C10M2207/122 , C10M2207/2805 , C10M2215/1026 , C10M2217/0456 , C10M2219/044 , C10M2219/068 , C10M2227/066 , C10N2210/01 , C10N2210/02 , C10N2210/06 , C10N2230/06 , C10N2230/40 , C10N2230/43 , C10N2230/70 , C10N2240/02 , C10N2240/046 , C10N2250/10 , Y10T74/18744
摘要： PROBLEM TO BE SOLVED: To provide a grease composition that exhibits excellent low friction property even with a low molybdenum content when used under severe sliding conditions such as high speed and high surface pressure, and a bearing, a universal joint, and a linear motion device obtained by enclosing the grease composition.SOLUTION: The grease-enclosed bearing 1 is obtained by enclosing the grease composition 7 at least in a periphery of a rolling element 4. The grease composition 7 includes a base oil, a thickener, and an additive. The additive includes molybdenum dithiocarbamate and sodium dithiocarbamate. The molybdenum content based on the whole amount of grease composition is ≤0.06 wt.%.
摘要翻译：要解决的问题：提供即使在严重的滑动条件例如高速和高表面压力下使用时，甚至在钼含量低的情况下也表现出优异的低摩擦特性的润滑脂组合物，以及轴承，万向接头和通过包封润滑脂组合物获得的直线运动装置。解决方案：通过将润滑脂组合物7至少包围在滚动元件4的周围来获得润滑脂封闭的轴承1.润滑脂组合物7包括基础油，增稠剂和添加剂。添加剂包括二硫代氨基甲酸钼和二硫代氨基甲酸钠。基于润滑脂组合物总量的钼含量≤0.06重量％。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2006183804A Roller bearing for alkaline environments 审中-公开
标题翻译：滚子轴承用于碱性环境
公开(公告)号：JP2006183804A
公开(公告)日：2006-07-13
申请号：JP2004379102
申请日：2004-12-28
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI
IPC分类号： F16C33/78 , C08F214/26 , F16C33/32 , F16C33/62
摘要： PROBLEM TO BE SOLVED: To provide a roller bearing for alkaline environments which minimizes a deterioration of a seal member, maintaines a preferable sealability for a long period of time, and is excellent in reliability and durability even when the roller bearing is used in an alkaline atmosphere.
SOLUTION: The roller bearing for alkaline environments used in an alkaline atmosphere includes an inner ring and an outer ring, a plurality of rolling elements interposed between the inner ring and the outer ring, and the seal member provided at opening portions at both ends of the inner ring and the outer ring in the axial direction. The seal member has a rubber molded body which makes contact with at least the alkaline atmosphere. The rubber molded body is a molded body of fluororubber composition capable of being vulcanized, which fluororubber composition is composed of a copolymer containing tetrafluoroethylene, propylene, and a bridging monomer consisting of unsaturated hydrocarbon with a carbon number of 2-4 in which hydrogen atoms are partially replaced by fluorine atoms.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供使密封构件的劣化最小化的碱性环境用滚子轴承，长时间保持优选的密封性，即使在使用滚子轴承时也具有优异的可靠性和耐久性在碱性气氛中。解决方案：碱性环境中使用的用于碱性环境的滚动轴承包括内圈和外圈，插入在内圈和外圈之间的多个滚动元件，以及设置在两个开口部分处的密封构件内圈和外圈的端部在轴向上。密封件具有与至少碱性气氛接触的橡胶成型体。橡胶成型体是能够硫化的氟橡胶组合物成型体，该氟橡胶组合物由含有四氟乙烯，丙烯和碳原子数为2-4的不饱和烃构成的桥连单体构成，其中氢原子为部分被氟原子取代。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006029346A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2006029346A
公开(公告)日：2006-02-02
申请号：JP2004204116
申请日：2004-07-12
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 , B60K17/22 , C10M105/18 , C10M107/06 , C10M107/38 , C10M115/08 , C10M119/22 , C10M169/02 , C10N30/08 , C10N40/02 , C10N50/10 , F16C33/66 , F16D3/20
CPC分类号： Y02E70/30
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing in which in cases where grease containing an urea compound is encapsulated in a rolling bearing, an elastic body of a hermetically-sealed plate acting as a sealing member is less deteriorated even when a bearing ambient temperature becomes high and thereby good seal performance is allowed to hold over the long term, thus realizing excellence in reliability and endurance. SOLUTION: There is provided the rolling bearing used for a supporting member for supporting a drive shaft in a freely rotatable manner at a vehicle body side. The rolling bearing is equipped with an outer race and inner race, a plurality of rolling elements intervened between the inner and outer races, grease containing the urea compound encapsulated in a periphery of the rolling elements, and a sealing member provided at openings of both ends in an axial direction of the inner and outer races to encapsulate the grease. The sealing member includes a molded rubber body in contact with at least the grease. The molded rubber body is formed of a fluorocarbon-rubber composite that contains tetrafluoroethylene, propylene and cross-linking monomers consisting of unsaturated hydrocarbon with the number of carbons 2 to 4 created by replacing part of hydrogen atoms with fluorine atoms and can be vulcanized. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种滚动轴承，其中在含有尿素化合物的润滑脂被包封在滚动轴承中的情况下，作为密封部件的密封板的弹性体即使在轴承环境温度变高，从而长期保持良好的密封性能，从而实现可靠性和耐久性的优异性。解决方案：提供了一种用于支撑构件的滚动轴承，用于在车体侧以可自由旋转的方式支撑驱动轴。滚动轴承配备有外圈和内圈，介于内圈和外圈之间的多个滚动元件，包含在滚动元件周围的尿素化合物的润滑脂和设置在两端开口处的密封部件在内圈和外圈的轴向上封装润滑脂。密封构件包括至少与润滑脂接触的模制橡胶体。模制橡胶体由含有四氟乙烯，丙烯和由不饱和烃组成的交联单体的碳氟橡胶复合体形成，所述不饱和烃具有通过用氟原子代替部分氢原子而形成的碳原子数2〜4，并且可以硫化。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006200592A Rolling bearing for machine tool 审中-公开
标题翻译：滚动轴承用于机床
公开(公告)号：JP2006200592A
公开(公告)日：2006-08-03
申请号：JP2005010908
申请日：2005-01-18
申请人： Ntn Corp , Ntn株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI
IPC分类号： F16C33/78 , B23Q5/40 , C08F214/26 , C08J5/00 , C08L27/12 , C09K3/10
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for a machine tool superior in reliability and durability, maintaining superior sealability in low torque over a long period, with reduced deterioration in a seal member, even if the rolling bearing is used in an environment contacting with cutting-grinding oil.
SOLUTION: This rolling bearing for the machine tool is used for the machine tool for cutting or grinding a workpiece under the existence of a cutting oil agent or a grinding oil agent. The rolling bearing is provided with an inner race, an outer race, a plurality of rolling bodies interposed between these inner race and outer race, and the seal member 6 for covering both end opening parts in the shaft direction of the inner race and the outer race. The seal member 6 is formed of a rubber molding contacting with at least the cutting oil agent or the grinding oil agent. The rubber molding is a vulcanizable fluororubber composition composed of a copolymer including tetrafluoroethylene, propylene, and a cross-linking monomer composed of unsaturated hydrocarbon having the carbon number of 2 to 4 with a part of a hydrogen atom substituted with a fluorine atom.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供可靠性和耐久性优异的机床用滚动轴承，在长期的低转矩下保持优异的密封性，密封构件的劣化降低，即使使用滚动轴承与切削磨油接触的环境。
解决方案：该机床用滚动轴承用于在切削油剂或研磨油剂的存在下切削或研磨工件的机床。滚动轴承设置有内圈，外圈，插入在这些内圈和外圈之间的多个滚动体，以及密封构件6，其用于覆盖内圈的轴向的两个端部开口部和外圈种族。密封构件6由至少与切削油剂或研磨油剂接触的橡胶成型体形成。橡胶成型体是由包含四氟乙烯，丙烯的共聚物和由碳原子数2〜4的不饱和烃构成的交联单体组成的可硫化氟橡胶组合物，部分氢原子被氟原子取代。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005140261A Seal member for rolling bearing, and rolling bearing 审中-公开
标题翻译：用于滚动轴承的密封件和滚动轴承
公开(公告)号：JP2005140261A
公开(公告)日：2005-06-02
申请号：JP2003378240
申请日：2003-11-07
申请人： Nakanishi Metal Works Co Ltd , Ntn Corp , Ntn株式会社 , 中西金属工業株式会社
发明人： EGAMI MASAKI , ASO MITSUNARI , URAGAMI HIDEKAZU
IPC分类号： C09K3/10 , F16C33/66 , F16C33/78
CPC分类号： F16C33/7853 , F16C19/06 , F16C33/6603 , F16C33/7816
摘要： PROBLEM TO BE SOLVED: To provide a seal member for a rolling bearing having excellent reliability and durability by maintaining good sealing performance for a long time with little degradation of an elastic body of a sealing plate which is the seal member, even if used at a high temperature in a sealed bearing filled with grease containing a urea compound. SOLUTION: This seal member for the rolling bearing has a rubber molding brought into contact with grease to seal the grease filled in the rolling bearing. The rubber molding is a molding of a vulcanizable fluororubber composition composed of a copolymer containing tetrafluoroethylene, propylene, and a cross-linking monomer comprising a 2-4C unsaturated hydrocarbon in which part of hydrogen atoms is substituted with fluorine atoms. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了通过长时间保持良好的密封性能而使密封构件的密封板的弹性体几乎没有劣化，提供具有优异的可靠性和耐久性的滚动轴承的密封构件，即使在填充有含有尿素化合物的润滑脂的密封轴承中在高温下使用。解决方案：用于滚动轴承的该密封构件具有与润滑脂接触的橡胶模制件，以密封填充在滚动轴承中的润滑脂。橡胶成型体是由包含四氟乙烯，丙烯和含有部分氢原子被氟原子取代的2-4C不饱和烃的交联单体构成的可硫化氟橡胶组合物的成型体。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004346298A Lubricating grease for low and high temperature and rolling bearing 有权
标题翻译：用于低温和高温润滑轴承的润滑脂
公开(公告)号：JP2004346298A
公开(公告)日：2004-12-09
申请号：JP2004003571
申请日：2004-01-09
申请人： Ntn Corp , Ntn株式会社
发明人： ASO MITSUNARI , EGAMI MASAKI
IPC分类号： C10M105/36 , C10M105/38 , C10M105/54 , C10M107/38 , C10M115/06 , C10M115/08 , C10M127/02 , C10M143/00 , C10M169/02 , C10N20/00 , C10N20/02 , C10N30/08 , C10N40/02 , C10N50/10 , F16C33/66
CPC分类号： F16C33/6633 , C10M169/02 , C10M2205/0206 , C10M2207/2825 , C10M2207/2835 , C10M2213/0606 , C10M2213/0613 , C10M2213/0626 , C10M2215/1026 , C10N2220/022 , C10N2230/08 , C10N2240/02 , C10N2240/20 , C10N2250/10 , C10N2270/00 , F16C19/06
摘要： PROBLEM TO BE SOLVED: To provide a lubricating grease for low and high temperature, excellent in durability at a high temperature and capable of reducing an unusual noise even at a low temperature, and a rolling bearing filled up by the grease.
SOLUTION: The lubricating grease for low and high temperatures is obtained by mixing 3 to 30 parts by weight of a polyolefin oil to 100 parts by weight of a grease mixture. The grease mixture is compounded of a fluorine-containing lubricating grease and a urea-based lubricating grease. The fluorine-containing lubricating grease uses a perfluoropolyether oil as the base oil and a fluororesin powder as a thickening agent. The urea-based lubricating grease uses a polyester oil as the base oil and a urea compound as a thickening agent. Particularly, the polyolefin oil has a pour point of -50°C or below and a kinematic viscosity at 40°C of 10 to 70 mm
2 /s.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于低温和高温的润滑脂，并且在高温下具有优异的耐久性，并且即使在低温下也能够降低异常噪音，以及由润滑脂填充的滚动轴承。解决方案：通过将3〜30重量份的聚烯烃油与100重量份的油脂混合物混合，得到低温高温润滑脂。润滑脂混合物与含氟润滑脂和尿素润滑脂混合。含氟润滑脂使用全氟聚醚油作为基础油，氟树脂粉末作为增稠剂。尿素系润滑脂使用聚酯油作为基础油，尿素化合物作为增稠剂。特别地，聚烯烃油的倾点为-50℃以下，40℃下的运动粘度为10〜70mm×SP /秒。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004150477A Rolling bearing 有权
公开(公告)号：JP2004150477A
公开(公告)日：2004-05-27
申请号：JP2002313997
申请日：2002-10-29
申请人： Ntn Corp , Ntn株式会社
发明人： ASO MITSUNARI , EGAMI MASAKI
IPC分类号： F16C33/78 , C10M107/38 , C10M115/06 , C10M119/22 , C10M169/02 , C10N30/08 , C10N40/02 , C10N50/10 , F16C33/66
CPC分类号： F16C33/7816 , F16C19/06 , F16C33/6633 , F16C33/7853
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing, which is filled with lubricating grease more inexpensive than conventional fluorine series grease, having superior high temperature-durability and capable of controlling an oil leakage of fluorine series grease.
SOLUTION: Seal members sealing lubricating grease in the vicinity of rolling bodies are arranged on both opening portions of an inner ring and an outer ring at an axial direction. The lubricating grease is mixed grease of grease having synthetic oil as base oil and urea compound as a thickener, and grease having perfluoropolyether oil as base oil and fluorocarbon resin particles as a thickener or grease just mixed perfluoropolyether oil. The seal member is at least one of fluorocarbon rubber shaped bodies selected among a vulcanizable fluorocarbon rubber shaped body including tetrafluoroethylene-propylene bicopolymer, a vulcanizable fluorocarbon rubber shaped body including fluorinated vinylidene-tetrafluoroethylene-propylene tercopolymer, and a vulcanizable fluorocarbon rubber shaped body including tetrafluoroethylene-perfluoroalkylvinylether three-copolymer.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003343576A Grease sealed heat resistant roller bearing 有权
标题翻译：油封密封耐热滚子轴承
公开(公告)号：JP2003343576A
公开(公告)日：2003-12-03
申请号：JP2002155863
申请日：2002-05-29
申请人： Ntn Corp , Ntn株式会社
发明人： MAEDA KIKUO , ASO MITSUNARI , HIRATA MASAKAZU
IPC分类号： F16C33/58 , F16C33/32 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide a heat resistant roller bearing with a long life in which, when the roller bearing is intermittently operated under high temperature and high load, a seizure or an imperfect lubrication is not generated, and particularly, an abrasion is decreased under high temperature and high load, and a long- lived low rotating torque is maintained under a low noise level. SOLUTION: In the roller bearing, a plurality of rolling members 4 are provided between an inner ring 1 and an outer ring 2, and the peripheries of the rolling members 4 are filled with lubricating grease. The inner ring 1 and the outer ring 3 are made of an alloy steel material including C of 0.6 to 1.3 mass %, Si of 0.3 to 3.0 mass %, Ni of 0.1 to 3.0 mass %, Mn of 0.2 to 1.5 mass %, and Cr of 0.3 to 5.0 mass %. The grease sealed heat resistant roller bearing has a carbonitriding layer with the hardness of HV725 (HRC61) or higher formed on a surface. Further, the roller bearing is made of a steel material tempered under the high temperature of 250°C or higher and having the hardness of HRC59 or higher. The lubricating grease includes perfluoro polyether oil and synthetic oil as basic oil. The lubricating grease includes particulate fluorine resin and a urea compound as a thickening agent. The rolling members are made of ceramics. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种寿命长的耐热滚子轴承，其中当滚子轴承在高温高负载下间歇运转时，不会产生卡塞或不完美的润滑，特别是，磨损在高温高负荷下降低，并且在低噪声水平下保持长寿命的低转矩。解决方案：在滚子轴承中，在内圈1和外圈2之间设置有多个滚动构件4，并且滚动构件4的周边填充有润滑脂。内圈1和外圈3由含有0.6〜1.3质量％的C，0.3〜3.0质量％的Si，0.1〜3.0质量％的Ni，0.2〜1.5质量％的Mn的合金钢材构成， Cr为0.3〜5.0质量％。润滑脂密封的耐热滚子轴承具有在表面形成的硬度为HV725（HRC61）或更高的碳氮共渗层。此外，滚子轴承由在高于250℃或更高的温度下回火并具有HRC59或更高硬度的钢材制成。润滑脂包括全氟聚醚油和合成油作为基础油。润滑脂包括颗粒状氟树脂和作为增稠剂的尿素化合物。滚动体由陶瓷制成。版权所有（C）2004，JPO

9. 发明专利

JP2003294195A Lubricating grease sealing device and sealing method 审中-公开
标题翻译：润滑油密封装置和密封方法
公开(公告)号：JP2003294195A
公开(公告)日：2003-10-15
申请号：JP2002100557
申请日：2002-04-02
申请人： Ntn Corp , Ntn株式会社
发明人： NAKASEKI TSUGUTO , ASO MITSUNARI , HIRATA MASAKAZU
IPC分类号： F16N11/08 , B01F3/10 , B01F15/04 , F16N37/00
摘要： PROBLEM TO BE SOLVED: To provide a lubricating grease sealing device and a sealing method wherein the mixed grease having the same characteristic as that obtained with an usual batch reactor vessel is easily manufactured and sealed at a low cost at the time of sealing the lubricating grease to a rolling bearing.
SOLUTION: The lubricating grease sealing device which seals the lubricating greases 1a, 1b to the rolling bearing is equipped with a measuring means 3 measuring predetermined quantity of the plurality of greases 1a, 1b respectively, and a mixing means 4 mixing the plurality of greases 1a, 1b measured with the measuring means 3. The mixing means 4 continuously mixes the plurality of greases 1a, 1b and seals it to the rolling bearing 5.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种润滑脂密封装置和密封方法，其中具有与常规间歇反应器容器相同特性的混合润滑脂在密封时易于制造和低成本地密封滚动轴承的润滑脂。解决方案：将润滑脂1a，1b密封到滚动轴承的润滑脂密封装置分别装备有测量预定量的多个润滑脂1a，1b的测量装置3和混合多个的油脂1a，1b用测量装置3测量。混合装置4连续混合多个润滑脂1a，1b并将其密封到滚动轴承5.版权所有（C）2004，JPO

10. 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

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