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公开(公告)号：JP2004211797A
公开(公告)日：2004-07-29
申请号：JP2002382271
申请日：2002-12-27
Applicant: Kyodo Yushi Co Ltd , Nsk Ltd , 協同油脂株式会社 , 日本精工株式会社
Inventor： HOKAO MICHITA , FUJITA YASUNOBU , YATANI KOICHI , YOKOUCHI ATSUSHI , NAKA MICHIHARU , KIMURA HIROSHI
IPC: F16C33/66 , C10M105/04 , C10M105/18 , C10M105/38 , C10M115/08 , C10M169/02 , C10N20/06 , C10N30/06 , C10N40/02 , C10N50/10
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing of long life free from the leakage of grease, having sufficiently low torque property, and provided with both of acoustic life and initial acoustic property.
SOLUTION: In this rolling bearing 1, a plurality of rolling elements 13 are rotatably held between an inner ring 10 and an outer ring 11 at approximately equal intervals through a cage 12, and the grease including a diurea compound including a fiber material of fiber length of at least 3 μm as a thickening agent.
COPYRIGHT: (C)2004,JPO&NCIPI-
公开(公告)号：JP2013011293A
公开(公告)日：2013-01-17
申请号：JP2011143343
申请日：2011-06-28
Inventor： SAKAGUCHI HIROKI , FUJITA YASUNOBU , MATSUMOTO YOICHI , OTANI AZUSA , SENO NAOYA , ABE DAISUKE , TOYODA KAZUYA , ABE KEIGO
Abstract: PROBLEM TO BE SOLVED: To provide a sealed tapered roller bearing for a roll neck capable of extending the lifetime of the sealed tapered roller bearing used in an environment in which water is likely to intrude the inside.SOLUTION: This sealed tapered roller bearing for a roll neck comprises: a plurality of inner races 13, 14; a plurality of outer races 11, 12; a plurality of tapered rollers 15 arranged between the inner races 13, 14 and the outer races 11, 12; and a sealing device 19 disposed at both ends in an axial direction and sealing gaps between the inner races 13, 14 and the outer races 11, 12. In a section passing through the axial center of a bearing 10, a sectional area M of an inner space being an annular space formed between outer circumferential surfaces of the inner races 13, 14 and inner circumferential surfaces of the outer races 11, 12 per one raceway row formed at a small-diameter side of the tapered rollers 15 is ≥2% of the total bearing sectional area X.
Abstract translation: 要解决的问题：提供一种用于辊颈的密封圆锥滚子轴承，其能够延长在水容易侵入内部的环境中使用的密封圆锥滚子轴承的寿命。 解决方案：用于卷筒颈的密封圆锥滚子轴承包括：多个内圈13,14; 多个外圈11,12; 布置在内圈13,14和外圈11,12之间的多个锥形滚子15; 以及设置在轴向两端的密封装置19，并且密封内圈13,14和外圈11,12之间的间隙。在穿过轴承10的轴向中心的截面中， 内部空间是形成在内圈13,14的外周面和形成在圆锥滚子15的小直径侧的每个滚道列的外圈11,12的内周面之间的环状空间，为≥2％ 总轴承截面积X.版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012045576A
公开(公告)日：2012-03-08
申请号：JP2010189847
申请日：2010-08-26
Inventor： SAKAGUCHI HIROKI , MATSUMOTO YOICHI , FUJITA YASUNOBU
IPC: B21K1/04
Abstract: PROBLEM TO BE SOLVED: To provide a method for picking two inner rings from one base stock to allow a raceway surface to be parallel with a metal flow of the base stock in manufacturing the inner ring of a conical roller bearing.SOLUTION: The method for manufacturing the inner ring of the conical roller bearing includes: a step of making a disk-like base stock by upsetting a columnar rod material; a step of making an annular base stock by expanding an inner circumferential surface outward while an outer circumferential surface is fixed after drilling the center of the disk-like base stock; and a step of picking the two inner rings from the annular base stock so that mutual end surfaces at a roller large diameter side are faced with each other with a flat surface for dividing the width of the annular base stock into two as a center and the raceway surface is directed to an outer circumferential side to allow an angle formed by the mutual raceway surfaces to be over 180°.
Abstract translation: 要解决的问题：提供一种从一个基础材料拾取两个内圈的方法，以在制造圆锥滚子轴承的内圈时允许滚道表面与基础油料的金属流平行。 解决方案：用于制造圆锥滚子轴承的内圈的方法包括：通过镦锻柱状材料来制造盘状基材的步骤; 通过在钻出盘状基材的中心之后固定外周面的同时使内周面向外侧扩展而形成环状基材的工序; 以及从环状基材中取出两个内圈的步骤，使得辊大直径侧的相互端面彼此面对，具有用于将环状基材的宽度分成两个作为中心的平坦表面，并且 滚道表面被引导到外周侧，以允许由相互的滚道表面形成的角度超过180°。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2009264401A
公开(公告)日：2009-11-12
申请号：JP2008110968
申请日：2008-04-22
Inventor： FUJITA YASUNOBU , OTANI KOSHO , KIMURA KEISUKE
CPC classification number: F16C33/7853
Abstract: PROBLEM TO BE SOLVED: To actualize construction for preventing electroerosive damage over a long period. SOLUTION: A seal ring 10a is conductive. An annular space encircled between the inner face of a recessed groove 16 formed at the front end of a seal lip 14a throughout its periphery and the side wall face of a seal groove 15, is filled with room temperature molten salt (ion liquid or ionic liquid ). COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：实现长时间防止电腐蚀的施工。 解决方案：密封环10a是导电的。 环形空间包围在形成在其周缘的密封唇14a的前端和密封槽15的侧壁面的凹槽16的内表面之间，填充有室温熔盐（离子液体或离子液体 ）。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2008285574A
公开(公告)日：2008-11-27
申请号：JP2007131302
申请日：2007-05-17
Inventor： FUJITA YASUNOBU , YOKOUCHI ATSUSHI , MATSUMOTO KANEAKI
IPC: C10M169/02 , C10M105/36 , C10M105/38 , C10M115/04 , C10M115/08 , C10N30/00 , C10N30/06 , C10N40/02 , C10N50/10 , F16C33/66
CPC classification number: F16C33/6633
Abstract: PROBLEM TO BE SOLVED: To provide a roller bearing subject to operation under extreme pressures, enhanced in lubricating performance and further enhanced in abrasion resistance and torque reduction.
SOLUTION: The roller bearing is characterized by rollably holding multiple rollers via a holder in between an inner ring and an outer ring and being sealed with a lubricant composition where an ester oil is compounded with a specific urea compound and a benzylidene sorbitol derivative in the weight ratio (the benzylidene sorbitol derivative/the urea compound) of 0.1-1.0 so as to be 10-30 mass% in the total amount of the urea compound and the benzylidene sorbitol derivative.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：为了提供在极端压力下操作的滚子轴承，提高了润滑性能，进一步提高了耐磨性和扭矩降低。 解决方案：滚子轴承的特征在于通过内圈和外圈之间的保持器可滚动地保持多个辊，并用润滑剂组合物密封，其中酯油与特定的脲化合物和亚苄基山梨糖醇衍生物 重量比（亚苄基山梨糖醇衍生物/脲化合物）为0.1〜1.0，以尿素化合物和亚苄基山梨醇衍生物的总量为10〜30质量％。 版权所有（C）2009，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2008280476A
公开(公告)日：2008-11-20
申请号：JP2007127727
申请日：2007-05-14
Inventor： FUJITA YASUNOBU , YOKOUCHI ATSUSHI , MATSUMOTO KANEAKI
IPC: C10M169/02 , C10M105/32 , C10M115/04 , C10M115/08 , C10N20/00 , C10N30/00 , C10N30/06 , C10N40/02 , F16C33/66
Abstract: PROBLEM TO BE SOLVED: To provide a lubricant composition capable of more improving abrasion resistance, durability and reduced torque and to provide a long life rolling bearing having the reduced torque and excellent abrasion resistance and durability.
SOLUTION: The lubricant composition is obtained by compounding a base oil with a specific urea compound and a benzylidenesorbitol derivative in the total amount of 10-30 mass%. The rolling bearing comprises the lubricant composition sealed therein.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供能够更好地改善耐磨性，耐久性和降低扭矩的润滑剂组合物，并提供具有减小的扭矩和优异的耐磨性和耐久性的长寿命的滚动轴承。 解决方案：润滑剂组合物通过将基础油与特定脲化合物和亚苄基山梨醇衍生物的混合量合计为10-30质量％。 滚动轴承包括密封在其中的润滑剂组合物。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2007327618A
公开(公告)日：2007-12-20
申请号：JP2006160969
申请日：2006-06-09
Inventor： FUJITA YASUNOBU , YAMAMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To provide an actuator unit for a hard-disc drive which reduces outgassing and contamination, and stably maintains a low torque in a wide temperature range of -40°C to 100°C.
SOLUTION: In the actuator unit wherein a magnetic head for the hard-disc drive is borne in an oscillating manner, rolling bearings are fit to the shaft in the housing. An inner ring, outer ring, rolling elements, the housing, and the shaft which constitute the rolling bearing are formed of a martensite stainless steel material or a ferrite stainless steel material. A fluoride-containing polymer of a viscosity index of at least 300 is applied on at least one of the inner-ring raceways, outer-ring raceways, rolling elements, and cages of the roll bearings.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种用于硬盘驱动器的致动器单元，其减少放气和污染，并且在-40℃至100℃的宽温度范围内稳定地保持低扭矩。
解决方案：在用于硬盘驱动器的磁头以振荡方式承载的致动器单元中，滚动轴承适合于壳体中的轴。 构成滚动轴承的内圈，外圈，滚动体，壳体和轴由马氏体不锈钢材料或铁素体不锈钢材料形成。 粘度指数至少为300的含氟聚合物被施加到滚动轴承的内圈滚道，外圈滚道，滚动元件和保持架中的至少一个上。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007231987A
公开(公告)日：2007-09-13
申请号：JP2006051187
申请日：2006-02-27
Inventor： ISO KENICHI , FUJITA YASUNOBU , DENPO KOUTETSU , KURAISHI ATSUSHI , TODA YUJIRO , KAWAMURA HISASHI
IPC: F16C33/66 , C10M105/60 , C10M105/70 , C10M129/10 , C10M129/34 , C10M129/40 , C10M129/42 , C10M129/46 , C10M129/58 , C10M129/76 , C10M133/12 , C10M133/16 , C10M169/00 , C10N10/04 , C10N10/06 , C10N10/08 , C10N30/00 , C10N30/06 , C10N30/08 , C10N40/02 , C10N50/10 , F02B39/00 , F02B39/14 , F04B39/00 , F16C19/06 , F16C19/46 , F16H25/22 , F16H25/24
CPC classification number: F16C33/6633 , C10N2220/04 , F16C2360/42
Abstract: PROBLEM TO BE SOLVED: To provide a rolling unit capable of restraining occurrence of peeling in a bearing and exhibiting enhanced durability while maintaining a sufficient lubricating property, an air compressor using it, and a turbocharger.
SOLUTION: The rolling unit is provided with an inward member 2 having a raceway surface 1 on an outer peripheral surface, an outward member 4 having a raceway surface 3 confronting the raceway surface 1 of the inward member 2 and arranged on an outer side of the inward member 2, and a plurality of rolling elements 5 arranged between the raceway surfaces in such a manner of freely rolling. A grease composition is sealed which includes an ionic liquid as a base oil.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种能够抑制轴承中的剥离发生并且在保持足够的润滑性的同时表现出增强的耐久性，使用它的空气压缩机和涡轮增压器的滚动单元。 解决方案：滚动单元设置有在外周面上具有滚道面1的向内构件2，外侧构件4具有与向内构件2的轨道面1相对并配置在外侧的轨道面3的外侧构件4。 内侧构件2的侧面以及以滚动状态配置在滚道面之间的多个滚动体5。 一种润滑脂组合物被密封，其包括作为基础油的离子液体。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006207716A
公开(公告)日：2006-08-10
申请号：JP2005021307
申请日：2005-01-28
Inventor： FUJITA YASUNOBU , KITAGAWA NORIKAZU
Abstract: PROBLEM TO BE SOLVED: To provide a HDD actuator rolling bearing having sufficient lubricating performance while adopting a lubrication system with lubricating oil which can greatly reduce torque as compared with a grease lubrication system for further suppressing the contamination of a magnetic disc due to the generation of outgas.
SOLUTION: The HDD actuator rolling bearing to be incorporated in an actuator of a hard disc drive mechanism comprises a plurality of rolling elements held between an inner ring and an outer ring via a cage. Herein, aromatic ester oil is filled.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种具有足够的润滑性能的HDD致动器滚动轴承，同时采用具有润滑油的润滑系统，与润滑脂润滑系统相比可以大大降低扭矩，从而进一步抑制由于 排气的产生。 解决方案：装在硬盘驱动机构的致动器中的HDD致动器滚动轴承包括经由保持架保持在内圈和外圈之间的多个滚动元件。 这里，填充芳香族酯油。 版权所有（C）2006，JPO＆NCIPI
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10.发明专利
公开(公告)号：JP2006097826A
公开(公告)日：2006-04-13
申请号：JP2004286266
申请日：2004-09-30
Inventor： FUJITA YASUNOBU , YAMAMOTO KOJI , TANI HIROSHI
CPC classification number: F16C19/06
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing for an actuator of a hard disk drive device (HDD) capable of suppressing torque and out gas to low extent and torque hashness and having high performance and to provide a rolling bearing unit for the actuator of the HDD for forming the rolling bearing into a unit. SOLUTION: In this rolling bearing for the actuator for supporting a magnetic head of the HDD to avoid vibration, average surface coarseness of a central line of an inner ring raceway track and an outer ring raceway track is 0.03μm or less, and lubricating oil selected from among perfluoropolyether and its derivative and fluoropolyether and its derivative, preferably, straight chain perfluoropolyether is sealed or applied on an inner ring raceway surface, an outer ring raceway surface, a rolling body, and a cage. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种能够抑制扭矩和气体到低程度和扭矩散列并具有高性能的硬盘驱动装置（HDD）的致动器的滚动轴承，并且提供一种滚动轴承单元，用于 用于将滚动轴承形成为单元的HDD的致动器。 解决方案：在用于支撑HDD的磁头以避免振动的致动器的滚动轴承中，内圈轨道轨道和外圈轨道轨道的中心线的平均表面粗糙度为0.03μm以下， 选自全氟聚醚及其衍生物和含氟聚醚及其衍生物，优选直链全氟聚醚的润滑油被密封或施加在内圈滚道表面，外圈滚道表面，滚动体和保持架上。 版权所有（C）2006，JPO＆NCIPI
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