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1. 发明专利

JP2014108997A Grease composition and rolling bearing 审中-公开
标题翻译：润滑脂组合物和滚动轴承
公开(公告)号：JP2014108997A
公开(公告)日：2014-06-12
申请号：JP2012264493
申请日：2012-12-03
申请人： Nsk Ltd , 日本精工株式会社 , Kyodo Yushi Co Ltd , 協同油脂株式会社
发明人： KANDA HARUKA , INAMI NOBUYUKI , HOKAO MICHITA , YOKOUCHI ATSUSHI , AZUMA TAKASHI , WATANABE SHINGO
IPC分类号： C10M169/02 , C10M105/18 , C10M107/02 , C10M115/08 , C10N30/06 , C10N40/02 , C10N50/10 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide a grease composition which allows for excellent oil film formation at extra-low speed and at high temperature; and a rolling bearing which exhibits excellent durability at extra-low speed and at high temperature.SOLUTION: A grease composition includes: a thickener including a mixture of an aromatic diurea compound represented by a general formula (1) and an aliphatic diurea compound represented by a general formula (2), and a base oil, i.e. a mixed oil of alkyl diphenyl ether oil and poly α-olefin oil with a mass ratio (alkyl diphenyl ether: poly α-olefin oil)=60:40 to 100:0. General formula (1): R1-NHCONH-R2-NHCONH-R1. General formula (2): R3-NHCONH-R4-NHCONH-R3. (In the formulae, R1 represents an aromatic hydrocarbon group having a carbon number of 6 to 12, R2 and R4 represents an aromatic hydrocarbon group having a carbon number of 6 to 15, and R3 represents an aliphatic hydrocarbon group having a carbon number 6 to 20.)
摘要翻译：要解决的问题：提供允许在超低速和高温下优异的油膜形成的润滑脂组合物; 以及在超低速和高温下表现出优异的耐久性的滚动轴承。溶液：润滑脂组合物，包括：增稠剂，其包含由通式（1）表示的芳族二脲化合物和由通式（1）表示的脂族二脲化合物的混合物，通式（2）和基油，即烷基二苯基醚油和质量比（烷基二苯基醚：聚α-烯烃油）的聚α-烯烃油的混合油= 60:40〜100:0 。通式（1）：R1-NHCONH-R2-NHCONH-R1。通式（2）：R3-NHCONH-R4-NHCONH-R3。（式中，R1表示碳数为6〜12的芳香族烃基，R2表示碳原子数为6〜15的芳香族烃基，R3表示碳数为6〜 20.）

2. 发明专利

JP2012229334A Grease and rolling bearing 审中-公开
标题翻译：润滑和滚动轴承
公开(公告)号：JP2012229334A
公开(公告)日：2012-11-22
申请号：JP2011098356
申请日：2011-04-26
申请人： Nsk Ltd , 日本精工株式会社
发明人： OIKAWA ERI , INAMI NOBUYUKI , HOKAO MICHITA , YOKOUCHI ATSUSHI
IPC分类号： C10M169/02 , C10M105/18 , C10M107/02 , C10M107/34 , C10M115/08 , C10N20/00 , C10N20/06 , C10N30/06 , C10N40/02 , C10N50/10 , F16C19/06 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide grease that, when filled in a rolling bearing and used, has low torque in a steady state and superior acoustic property.SOLUTION: A composition of grease contains: base oil whose relative inductive capacity at a frequency of 1 MHz in a temperature of 25°C is 3.4 or less; and thickener made of fibrous aliphatic diurea of 1 mμ or less in thickness.
摘要翻译：要解决的问题：提供当填充在滚动轴承中并使用的润滑脂在稳定状态下具有低扭矩和优异的声学性能。
解决方案：一种润滑脂组合物包含：在25℃温度下在1MHz频率下的相对感应能力为3.4以下的基础油; 和由1μm以下的纤维状脂肪族二脲制成的增稠剂。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012167170A Grease and rolling bearing 审中-公开
标题翻译：润滑和滚动轴承
公开(公告)号：JP2012167170A
公开(公告)日：2012-09-06
申请号：JP2011028754
申请日：2011-02-14
申请人： Nsk Ltd , 日本精工株式会社
发明人： OIKAWA ERI , INAMI NOBUYUKI , YOKOUCHI ATSUSHI
IPC分类号： C10M169/02 , C10M105/14 , C10M105/38 , C10M105/48 , C10M107/02 , C10M117/04 , C10N20/00 , C10N30/06 , C10N40/02 , C10N50/10 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide a grease, containing 12-hydroxystearic acid lithium as a thickener, which shows the behavior of channeling type in a bearing when used as being enclosed in a rolling bearing.SOLUTION: As a base oil of the grease containing 12-hydroxystearic acid lithium as the thickener, a lubricant is used which has a relative permittivity in a frequency of 1 MHz at a temperature 25°C from 2.2 to 5.4.
摘要翻译：要解决的问题：提供含有12-羟基硬脂酸锂作为增稠剂的润滑脂，其表示当用于封闭在滚动轴承中时轴承的沟槽型的行为。解决方案：作为含有12-羟基硬脂酸锂作为增稠剂的润滑脂的基础油，使用润滑剂，其在25℃的温度为2.2至5.4的频率范围内具有1MHz的相对介电常数。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2008298222A Rolling bearing for electric fan 审中-公开
标题翻译：电风扇滚动轴承
公开(公告)号：JP2008298222A
公开(公告)日：2008-12-11
申请号：JP2007146579
申请日：2007-06-01
申请人： Nsk Ltd , 日本精工株式会社
发明人： INAMI NOBUYUKI
IPC分类号： F16C33/66 , C10M105/18 , C10M105/36 , C10M105/38 , C10M105/52 , C10M105/54 , C10M105/74 , C10M107/02 , C10M107/50 , C10M115/08 , C10M137/10 , C10M169/04 , C10N20/00 , C10N20/02 , C10N30/08 , C10N40/02
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for an electric fan restraining hardening of grease at high temperature and improved further in seizing life.
SOLUTION: This rolling bearing to support a rotor of the electric fan for cooling of an automobile is constituted by holding a plurality of rolling elements between an inner ring and an outer ring free to roll and sealing a grease composition containing diurea compound at the rate of 10-30 mass% of the whole amount of grease and a phosphorus-sulfur group extreme-pressure agent at the rate of 1-5 mass% of the whole amount of grease in base oil kinetic viscosity at 40°C of which is 20-100 mm
2 /s and a fluid point of which is lower than -40°C.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于抑制高温下润滑脂硬化的电动风扇的滚动轴承，并且进一步提高了使用寿命。解决方案：用于支撑用于汽车冷却的电动风扇的转子的该滚动轴承通过在内圈和外圈之间保持多个滚动元件而构成，该滚动轴承可自由滚动和密封含有二脲化合物的润滑脂组合物基础油的运动粘度在40℃时的全脂量的1-5质量％的比例为10-30质量％的全脂量和磷硫组极压剂是20-100 mm 2 / s，流体点低于-40°C。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008144808A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2008144808A
公开(公告)日：2008-06-26
申请号：JP2006330747
申请日：2006-12-07
申请人： Nsk Ltd , 日本精工株式会社
发明人： INAMI NOBUYUKI , NAKATANI SHINYA
IPC分类号： F16C33/66 , C10M101/02 , C10M105/18 , C10M105/32 , C10M107/02 , C10M107/38 , C10M107/50 , C10M113/10 , C10M115/08 , C10M117/00 , C10M137/04 , C10M137/08 , C10M137/10 , C10M169/00 , C10N10/02 , C10N10/04 , C10N10/06 , C10N30/06 , C10N30/08 , C10N40/02 , C10N50/10
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing more excellent in heat-resistance, long life and load-resistance.
SOLUTION: In the rolling bearing, a plurality of rolling bodies is rotatably retained between an inner ring and an outer ring through a retainer, and the rolling bearing is filled with a grease composition containing at least one kind of a phosphor-sulfur based extreme pressure agent and a phosphor based extreme pressure agent in an amount of 0.1-5 mass% of the whole amount of grease singly respectively and in a total amount of 10 mass% or lower of the whole amount of grease.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供耐热性，长寿命和耐负载性更好的滚动轴承。解决方案：在滚动轴承中，多个滚动体通过保持器可旋转地保持在内圈和外圈之间，并且滚动轴承填充有含有至少一种磷 - 硫的润滑脂组合物基于极压剂和基于磷光体的极压剂，其量分别为全部油脂的0.1〜5质量％，总量为10质量％以下。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2008121789A Motor driven linear actuator 审中-公开
标题翻译：电机驱动线性执行器
公开(公告)号：JP2008121789A
公开(公告)日：2008-05-29
申请号：JP2006306518
申请日：2006-11-13
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAKATANI SHINYA , INAMI NOBUYUKI
IPC分类号： F16H25/24 , C10M115/08 , C10M137/02 , C10M137/10 , C10M169/06 , C10N30/06 , C10N40/02 , C10N50/10 , H02K7/06
摘要： PROBLEM TO BE SOLVED: To provide a motor driven linear actuator having improved durability while preventing impression or peeling on the surface of a ball from occurring.
SOLUTION: The motor driven linear actuator comprises housing, a positively/reversely rotatable electric motor supported by the housing, a screw shaft supported only rotatably by the housing so as to be rotationally driven by the electric motor, and a nut member engaging with the screw shaft in a self-rotation preventive condition so as to be displaced with the rotation of the screw shaft in the axial direction of the screw shaft. It is filled with a grease composition which contains 0.1-5 mass% sulfur-phosphor extreme pressure agent not containing metal.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善的耐久性的电动机驱动的线性致动器，同时防止发生在球表面上的印模或剥离。电机驱动的线性致动器包括壳体，由壳体支撑的可正/反向旋转的电动机，螺旋轴，其仅由壳体可旋转地支撑，以便由电动机旋转驱动;以及螺母构件接合其中螺杆轴处于自旋转状态，以随着螺杆轴在螺杆轴的轴向上的转动而移动。填充含有不含金属的0.1-5质量％硫 - 磷极压剂的润滑脂组合物。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2013082882A Grease composition and wheel support rolling bearing unit encapsulating the grease composition 有权
标题翻译：润滑脂组合物和车轮支撑滚动轴承单元密封润滑脂组合物
公开(公告)号：JP2013082882A
公开(公告)日：2013-05-09
申请号：JP2012130636
申请日：2012-06-08
申请人： Nsk Ltd , 日本精工株式会社
发明人： SOGA KAZUHIRO , MIYAGAWA TAKAYUKI , INAMI NOBUYUKI
IPC分类号： C10M169/02 , C10M101/02 , C10M105/04 , C10M105/06 , C10M105/18 , C10M105/32 , C10M107/34 , C10M115/08 , C10M129/28 , C10M129/76 , C10M133/12 , C10M133/16 , C10M135/26 , C10M137/10 , C10N10/02 , C10N10/04 , C10N10/06 , C10N10/14 , C10N10/16 , C10N20/00 , C10N20/02 , C10N30/00 , C10N30/06 , C10N50/10 , F16C19/18 , F16C19/38 , F16C33/66
CPC分类号： F16C33/6633 , C10M169/06 , C10M2203/1006 , C10M2205/0285 , C10M2207/0406 , C10M2207/12 , C10M2207/16 , C10M2207/2805 , C10M2207/288 , C10M2215/04 , C10M2215/064 , C10M2215/1026 , C10M2219/044 , C10M2223/047 , C10N2210/02 , C10N2220/022 , C10N2230/02 , C10N2230/06 , C10N2230/76 , C10N2240/02 , C10N2250/10 , F16C19/184 , F16C19/386 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a grease composition which reduces load sensitivity of a running torque, maintains necessary properties for a wheel supporting rolling bearing unit, and can keep an excellent lubricated condition for an extended period of time, and to provide a wheel supporting rolling bearing unit encapsulating the grease composition.SOLUTION: The grease composition includes: a base oil; a thickener; a rust inhibitor; and an anti-wear agent, wherein the base oil is a mineral oil, a synthetic oil or a mixture thereof, the mixing ratio (mass ratio) of the mineral oil and the synthetic oil is 0:100 to 20:80, the kinematic viscosity of the base oil at 40°C is 70 to 150 mm/s, and the pour point of the base oil is -40°C or less. A wheel support rolling bearing unit is filled with the grease composition.
摘要翻译：要解决的问题：为了提供降低运行转矩的负载灵敏度的润滑脂组合物，保持对于车轮支承滚动轴承单元的必要性能，并且能够在长时间内保持良好的润滑状态，并且提供包封润滑脂组合物的车轮支承滚动轴承单元。润滑脂组合物包括：基础油; 增稠剂防锈剂; 和抗磨剂，其中基油为矿物油，合成油或其混合物，矿物油和合成油的混合比（质量比）为0:100〜20:80，运动学基础油在40℃下的粘度为70〜150mm，基础油的倾点为-40℃以下。轮支撑滚动轴承单元填充有润滑脂组合物。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013035946A Grease and sealed bearing 审中-公开
标题翻译：润滑脂和密封轴承
公开(公告)号：JP2013035946A
公开(公告)日：2013-02-21
申请号：JP2011173370
申请日：2011-08-08
申请人： Nsk Ltd , 日本精工株式会社
发明人： HOKAO MICHITA , INAMI NOBUYUKI , OIKAWA ERI
IPC分类号： C10M169/02 , C10M105/32 , C10M115/08 , C10N30/06 , C10N40/02 , C10N50/10 , F16C19/04 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide grease obtaining excellent abrasion resistance even when used for lubrication of a sealed bearing.SOLUTION: The grease used contains 20 mass% or more of a thickener which comprises an aliphatic diurea shown by the following formula (1): R1-NHCONH-R2-NHCONH-R3 and 50 mol% or more of which is an aliphatic diurea in which R1 and R3 are 4-11C straight chain aliphatic hydrocarbon groups, contains an ester oil as a base oil, and contains no polymer compound. In the formula (1), R1 and R3 are a straight chain aliphatic hydrocarbon group or alicyclic hydrocarbon group, and R2 is a 6-15C aromatic hydrocarbon group.
摘要翻译：要解决的问题：为了提供润滑脂，即使用于密封轴承的润滑也获得优异的耐磨性。使用的油脂含有20质量％以上的增稠剂，其包含下述式（1）所示的脂肪族二脲：R1-NHCONH-R2-NHCONH-R3，其中50摩尔％以上为其中R1和R3为4-11C直链脂族烃基的脂族二脲含有酯油为基油，不含高分子化合物。在式（1）中，R 1和R 3为直链脂族烃基或脂环族烃基，R 2为6-15元芳香族烃基。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2008298221A Rolling bearing for fuel injection control device 审中-公开
标题翻译：用于燃油喷射控制装置的滚动轴承
公开(公告)号：JP2008298221A
公开(公告)日：2008-12-11
申请号：JP2007146578
申请日：2007-06-01
申请人： Nsk Ltd , 日本精工株式会社
发明人： INAMI NOBUYUKI
IPC分类号： F16C33/66 , C10M105/18 , C10M105/36 , C10M105/38 , C10M105/44 , C10M105/52 , C10M105/54 , C10M107/02 , C10M107/50 , C10M115/08 , C10M135/04 , C10M135/10 , C10M135/18 , C10M137/04 , C10M137/10 , C10M169/00 , C10N20/00 , C10N20/02 , C10N30/08 , C10N40/02 , F02D9/10
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for a fuel injection control device of an automobile capable of restraining hardening of grease at high temperature and further improving seizing life.
SOLUTION: This rolling bearing built in the fuel injection control device of the automobile is constituted by holding a plurality of rolling elements between an inner ring and an outer ring free to roll and sealing a grease composition containing diurea compound at the rate of 10-30 mass% of the whole amount of grease and a phosphorus-sulfur group extreme-pressure agent at the rate of 1-5 mass% of the whole amount of grease in base oil kinematic viscosity at 40°C of which is 20-100 mm
2 /s and a fluid point of which is lower than -40°C.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够抑制高温下的润滑脂硬化的汽车的燃料喷射控制装置的滚动轴承，进一步提高卡住寿命。解决方案：内置在汽车的燃料喷射控制装置中的滚动轴承通过在内圈和外圈之间保持多个滚动元件而构成，该滚动轴承可自由滚动和密封含有二脲化合物的润滑脂组合物，其速率为全油量10-30质量％，磷 - 硫族极压剂，其基础油中40％的运动粘度为20质量％的总脂量的1-5质量％ 100 mm 2 / s，流体点低于-40°C。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008183980A Telescopic shaft for vehicle steering 审中-公开
标题翻译： TELESCOPIC轴用于车辆转向
公开(公告)号：JP2008183980A
公开(公告)日：2008-08-14
申请号：JP2007017892
申请日：2007-01-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAKATANI SHINYA , INAMI NOBUYUKI
IPC分类号： B62D1/20 , F16D3/06
摘要： PROBLEM TO BE SOLVED: To provide a telescopic shaft for vehicle steering having the excellent wear resistance and capable of enhancing the durability.
SOLUTION: The telescopic shaft for vehicle steering is assembled to a steering shaft of a vehicle, fits a male shaft and a female shaft to each other in a non-turnable and slidable manner, and transmits the torque when an outer circumferential part of the male shaft and an inner circumferential part of the female shaft are brought into contact with each other and turned. A grease composition containing, by mass, 0.1-5% singly, and total ≤10% in terms of the total weight of the grease, at least one kind of a phosphor-sulfur based extreme pressure agent and a phosphor based extreme pressure agent is filled in a space between the outer circumferential part of the male shaft and the inner circumferential part of the female shaft.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的耐磨性和能够提高耐久性的用于车辆转向的伸缩轴。解决方案：用于车辆转向的伸缩轴组装到车辆的转向轴上，以不可转动和可滑动的方式将阳轴和阴轴彼此相配合，并且当外圆周部分和母轴的内周部分彼此接触并转动。一种润滑脂组合物，其中，至少一种基于磷 - 硫的极压剂和基于荧光体的极压剂，至少含有0.1-5％的单独，总量≤10％填充在阳轴的外周部与阴轴的内周部之间的空间。版权所有（C）2008，JPO＆INPIT

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