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1. 发明专利

JP2007056936A Rolling supporting device 审中-公开
标题翻译：滚动支持设备
公开(公告)号：JP2007056936A
公开(公告)日：2007-03-08
申请号：JP2005241282
申请日：2005-08-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： KONNO MASARU , MURAKAMI YASUO
IPC分类号： F16C33/58 , C10M107/02 , C10N30/06 , C10N40/02 , C10N50/08 , C23C14/06 , C23C14/35 , C23C30/00 , F16C33/32 , F16C33/34 , F16C33/372
CPC分类号： F16C33/3713 , F16C19/06 , F16C19/20
摘要： PROBLEM TO BE SOLVED: To provide a rolling supporting device keeping high lubricating performance for a long period of time even when it is used in a vacuum. SOLUTION: Diamond-like carbon layers composed of hydrogen (H) and carbon (C) and having a content of hydrogen of 40-53 atm%, are formed on raceway surfaces of an inner ring 1 and an outer ring 2. Spacers 4 made of polyethylene, are disposed between balls 3. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使在真空中使用时，也可以长时间地提供保持高润滑性能的滚动支撑装置。解决方案：在内圈1和外圈2的滚道表面上形成由氢（H）和碳（C）构成的含氢量为40-53原子％的金刚石碳层。由聚乙烯制成的隔板4位于滚珠3之间。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2005090693A Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：JP2005090693A
公开(公告)日：2005-04-07
申请号：JP2003327846
申请日：2003-09-19
申请人： Nsk Ltd , 日本精工株式会社
发明人： TANAKA SUSUMU , MURAKAMI YASUO
IPC分类号： F16H9/12 , C22C38/00 , F16C33/32 , F16C33/34 , F16C33/62 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To prolong the life of a rolling bearing for a belt type continuously variable transmission by effectively preventing premature peeling resulting from hydrogen produced by tribochemical reaction.
SOLUTION: A surface layer part forming the raceway surface of a raceway ring or the rolling surfaces of rolling elements is formed as follows. The hardness is HRC 60 (Rockwell C hardness) or higher, a residual austenite amount is 15 to 45 vol.%, and a constant (K calculated by an equation (1) below) indicating the decomposing rate of residual austenite when it is held at a specified temperature for a specified time is 0.003 or below at the holding temperature of 170°C. (1) Equation: K=-In (γR
t /γR
0 )/t, where t is the holding time at the specified temperature, γRt is a residual austenite amount (vol.%) after a time t
i is passed, and γR
0 is a residual austenite amount (vol.%) at t=0.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过有效地防止由摩擦化学反应产生的氢产生的过早剥离，延长带式无级变速器的滚动轴承的使用寿命。解决方案：形成滚道环的滚道面的表面层部分或滚动体的滚动面如下。硬度为HRC 60（Rockwell C硬度）以上，残留奥氏体量为15〜45体积％，以及表示残留奥氏体在保持时的分解率的常数（以下式（1）计算）在规定温度下，在保持温度170℃下，规定时间为0.003以下。（1）式中，K = -In（γR t /γR 0 ）/ t，其中t是在规定温度下的保持时间，γRt是残余奥氏体量（体积％）在时间t i 之后，γR 0 是在t = 0时的残余奥氏体量（体积％）。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2006064112A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2006064112A
公开(公告)日：2006-03-09
申请号：JP2004248713
申请日：2004-08-27
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJITA SHINJI , MURAKAMI YASUO
IPC分类号： F16C33/66 , F16C33/32 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a long-lived rolling bearing that improves resistance to application under a condition of high temperature, high speed and high load.
SOLUTION: In the rolling bearing that equips an outside member having the rolling face on the inner circumference face, an inside member having the rolling face on the outer circumference face and a plurality of rolling body arranged to the rolling free between the rolling face of the outside member and the rolling face of the inside member, at least the outside member and the inside member among the outside member, the inside member and the rolling body are made of steel containing Cr:0.5 to 2.0 mass%, Mn:0.2 to 2.0 mass%, Si:0.5 to 2.0 mass%, C:0.3 to 1.2 mass%, the remainder of Fe and the inevitable impurities, and the rolling bearing seals the grease composition containing the substance to reduce the friction coefficient at the rate of 0.1 to 10 mass%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种长寿命的滚动轴承，其在高温，高速和高负载的条件下提高耐候性。解决方案：在具有滚动面的外部构件的内周面上的滚动轴承中，具有在外周面上的滚动面的内侧构件和多个滚动体，滚动体被布置成滚动之间滚动外侧部件和内侧部件的滚动面之间，外部部件，内部部件和滚动体中的至少外部部件和内部部件由含有Cr：0.5〜2.0质量％的钢，Mn： 0.2〜2.0质量％，Si：0.5〜2.0质量％，C：0.3〜1.2质量％，余量为Fe和不可避免的杂质，滚动轴承密封含有物质的润滑脂组合物，以降低摩擦系数为0.1〜10质量％。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006283931A Linear motion device 审中-公开
标题翻译：线性运动装置
公开(公告)号：JP2006283931A
公开(公告)日：2006-10-19
申请号：JP2005107640
申请日：2005-04-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJITA SHINJI , UCHIDA HIROYUKI , MURAKAMI YASUO
IPC分类号： F16H25/24 , F16H25/22
摘要： PROBLEM TO BE SOLVED: To prolong a service life further under severe use conditions.
SOLUTION: This linear motion device is provided with a screw shaft 3 forming a male screw groove 3a in an outer peripheral part, a nut 7 forming a female screw groove 5 on an inner peripheral face and fitted into the screw shaft 3 so as to move along the direction of axial line of the screw shaft 3, and a plurality of balls 9 provided between the male screw groove 3a and the female screw groove 5. A minute recessed part is formed on at least one surface among the screw shaft 3, the nut 7, and the balls 9. A solid lubricant coating is formed in the minute recessed part and its surface layer part, and thickness of the coating is 0.1 μm to 8.0 μm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：在恶劣的使用条件下延长使用寿命。解决方案：该直线运动装置设置有在外周部分形成外螺纹槽3a的螺纹轴3，在内周面上形成内螺纹槽5的螺母7，并装配到螺杆轴3中沿着螺杆轴3的轴线方向移动，以及设置在外螺纹槽3a和阴螺纹槽5之间的多个球9.在螺杆轴的至少一个表面上形成微小的凹部 3，螺母7和球9.在微小凹部和表面层部分形成固体润滑剂涂层，涂层厚度为0.1μm〜8.0μm。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006250167A Wet type multiple disc clutch for automatic transmission and its manufacturing method 审中-公开
标题翻译：湿式自动变速器多种离合器及其制造方法
公开(公告)号：JP2006250167A
公开(公告)日：2006-09-21
申请号：JP2005063919
申请日：2005-03-08
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA HIROYUKI , FUJITA SHINJI , MURAKAMI YASUO
IPC分类号： F16D13/74 , F16D13/62 , F16D25/0638 , F16D25/12 , F16D69/00
CPC分类号： F16H57/041
摘要： PROBLEM TO BE SOLVED: To improve abrasion resistance of separate plates 3, 3 to improve durability of a wet type multiple disc clutch incorporating the separate plates 3, 3 therein and thereby to improve durability of an automatic transmission incorporating the wet type multiple disc clutch therein. SOLUTION: Parts of axial side faces of separate plate 3, 3 opposed to axial side faces of friction plates 4, 4 is covered with lubricating film of solid lubricant. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提高分离板3,3的耐磨性，以提高在其中结合有分离板3,3的湿式多片离合器的耐久性，从而提高结合湿型多重的自动变速器的耐久性盘式离合器。解决方案：与摩擦片4,4的轴向侧面相对的分离板3,3的轴向侧面的部分被固体润滑剂的润滑膜覆盖。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006105363A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2006105363A
公开(公告)日：2006-04-20
申请号：JP2004296267
申请日：2004-10-08
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJITA SHINJI , MURAKAMI YASUO
IPC分类号： F16C33/62 , C21D1/06 , C21D9/40 , C22C38/00 , C22C38/38 , F16C33/32 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing used in an engine auxiliary machinery and a gas heat pump, capable of being rotated at a higher speed, and elongating its service life by effectively preventing early separation and seizure even when its use environment has further high temperatures.
SOLUTION: Steel of high Si content is used as materials of an inner ring, an outer ring and a rolling element. Further the materials of the inner ring and the outer ring are steel satisfying a formula (I). Further nitrogen of 0.3-2.0 mass % exists in a surface layer portion of a rolling surface of the rolling element.[C]+0.05[Cr]+0.12([Mo]+[V])≤1.41 ...(I) [Cr], [Mo] and [V] in the formula respectively indicate content (mass%) of Cr, Mo and V in the steel.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供能够以更高的速度旋转的发动机辅助机械和气体热泵中使用的滚动轴承，并且即使在其使用时也有效地防止早期分离和卡住，延长其使用寿命环境有更高的温度。解决方案：使用高Si含量的钢作为内圈，外圈和滚动体的材料。此外，内环和外圈的材料是满足式（I）的钢。在[C] +0.05 [Cr] +0.12（[Mo] + [V]）≤1.41...（I）的滚动体的滚动面的表层部分存在0.3〜2.0质量％式中的[Cr]，[Mo]和[V]分别表示钢中Cr，Mo和V的含量（质量％）。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2004176156A Rolling bearing 审中-公开
公开(公告)号：JP2004176156A
公开(公告)日：2004-06-24
申请号：JP2002346375
申请日：2002-11-28
申请人： Nsk Ltd , 日本精工株式会社
发明人： TANAKA SUSUMU , MURAKAMI YASUO
IPC分类号： F16C33/62 , C22C38/00 , C22C38/34
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing having a long service life even when used in an environment where a high load, high vibration and a high temperature act.
SOLUTION: The inner and outer rings 2 and 3 of a rolling bearing 1 consist of steel containing, by mass, 0.65 to 1.25% carbon, 0.7 to 2.5% silicon, 0.1 to 1.5% manganese, 0.5 to 3.0% chromium, ≤1.5% molybdenum, ≤9 ppm oxygen, ≤30 ppm titanium and ≤80 ppm sulfur, and in which, according to a method prescribed in ASTM E45, the rating number of A series inclusions in a Thin type is ≤1.5, and also, the rating number of A series inclusions in a Heavy type is ≤1.0.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2004003608A Rolling bearing for belt-type continuously variable transmission 有权
公开(公告)号：JP2004003608A
公开(公告)日：2004-01-08
申请号：JP2003042948
申请日：2003-02-20
申请人： Nsk Ltd , 日本精工株式会社
发明人： TANAKA SUSUMU , MITAMURA NOBUAKI , TAKEMURA HIROMICHI , HAYASHI YOSHITAKA , MURAKAMI YASUO
IPC分类号： F16C33/32 , C21D9/36 , C21D9/40 , C22C38/02 , C22C38/04 , C22C38/18 , F16C33/30 , F16C33/34 , F16C33/44 , F16C33/56 , F16C33/62
CPC分类号： F16C33/62 , C21D9/36 , C21D9/40 , C22C38/02 , C22C38/04 , C22C38/18 , F16C33/30 , F16C33/6688 , F16C2361/63 , F16C2361/65 , Y10S148/906 , Y10S384/912
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of early exfoliation of a rolling bearing for belt-type continuously variable transmission with a piece type metal belt.
SOLUTION: The rolling bearing for belt-type continuously variable transmission with a piece type metal belt is characterized in that at least one of an inner ring, an outer ring and rolling element is made of an iron alloy having a chromium content of from 2.5 to 20.0 wt%.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2003074562A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2003074562A
公开(公告)日：2003-03-12
申请号：JP2001265129
申请日：2001-08-31
申请人： Nsk Ltd , 日本精工株式会社
发明人： OKITA SHIGERU , MURAKAMI YASUO
IPC分类号： F16C33/58
CPC分类号： F16C33/585 , F16C19/06
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing which hardly brings early exfoliation or seizure even if it is used under a high vibration, heavy load, high temperature condition and has a long life. SOLUTION: The rolling bearing is provided with inner and outer rings 2, 3 and rolling bodies 4. In a rolling bearing whose fitting ratio F defined by the bellow expression is 0% and in which the outer ring 2 is fitted to the housing 8 and lubricated by grease 10 in a certain fitting ratio, the inner and outer rings 2, 3 are made of steel including a specified quantity of alloy component and the rest is composed of iron or inevitable impurities, the residual austenite of the inner ring 3 is set 0-6% in volume, and the residual austenite of the outer ring 2 is set 6-20% in volume, and the surface hardness of the track faces 2a, 3a of the inner and outer rings 2, 3 is set HRC 57 or higher and HRC 65 or lower. F=(DE-DH)/DE×100(%), wherein, DE is the outer diameter of the outer ring 2, DH is the inner diameter of the housing 8.
摘要翻译：要解决的问题：为了提供即使在高振动，重载，高温条件下使用也具有长寿命的滚动轴承，其几乎不会带来早期的剥离或咬合。解决方案：滚动轴承设有内外圈2,3和滚动体4.在由波纹管表达式限定的配合比F为0％并且外圈2安装在外壳8上的滚动轴承中，内圈和外圈2,3由一定量的合金构件的钢制成，其余由铁或不可避免的杂质构成，内圈3的残余奥氏体被固定体积为0-6％，外圈2的残余奥氏体的体积为6〜20％，内外圈2,3的轨面2a，3a的表面硬度为HRC57或高于HRC 65或更低。 F =（DE-DH）/ DE×100（％）其中，DE是外圈2的外径，DH是壳体8的内径。

10. 发明专利

JP2011021756A Rolling device 有权
标题翻译：滚动装置
公开(公告)号：JP2011021756A
公开(公告)日：2011-02-03
申请号：JP2010247397
申请日：2010-11-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJITA SHINJI , UCHIDA HIROYUKI , MURAKAMI YASUO , YATANI KOICHI , TAKAHASHI DAIKI
IPC分类号： F16C33/66 , F16C33/32 , F16C33/34 , F16C33/62
CPC分类号： F16C33/32 , F16C19/06 , F16C19/30 , F16C19/364 , F16C33/34 , F16C33/366 , F16C33/425 , F16C33/565 , F16C33/585 , F16C33/62 , F16C33/6696 , F16C2202/54 , F16C2204/34 , F16C2240/40 , F16C2240/44 , F16C2240/60 , F16C2360/00 , F16C2360/22 , F16C2362/52 , F16H25/20 , F16H2025/249 , Y10S384/907
摘要： PROBLEM TO BE SOLVED: To provide a rolling device with a long service life, hardly damaged by seizure, wear, or the like even if used under severe conditions such as high speed conditions, high load conditions, a high temperature environment or an insufficient lubricating environment. SOLUTION: A thrust needle roller bearing includes an inner ring 1, an outer ring 2 and rolling elements 3. At least one of the raceway surface 1a of the inner ring 1, the raceway surface 2a of the outer ring 2 and the rolling surface 3a of the rolling element 3 is coated, at an area ratio of 75-95%, with a lubricating coat by shot peening treatment of a solid lubricant. The thickness of the lubricating coat is preferably 0.5-3.0 μm. At least a portion coated with the lubricating coat out of the raceway surface 1a of the inner ring 1, the raceway surface 2a of the outer ring 2 and the rolling surface 3a of the rolling element 3 is formed with dimples with a depth of 0.1-5 μm. The average roughness Ra of the centerline of the surface of the lubricating coat is 1 μm or less. The solid lubricant is at least one of molybdenum disulfide, tin and copper. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种使用寿命长的滚动装置，即使在诸如高速条件，高负载条件，高温环境或高温环境的苛刻条件下使用也难以被卡住，磨损等损坏润滑环境不足。解决方案：推力滚针轴承包括内圈1，外圈2和滚动元件3.内圈1的滚道表面1a，外圈2的滚道表面2a和外圈2的至少一个滚动元件3的滚动面3a以75-95％的面积比用固体润滑剂的喷丸处理用润滑涂层涂覆。润滑涂层的厚度优选为0.5-3.0μm。在内圈1的滚道表面1a，外圈2的滚道表面2a和滚动元件3的滚动表面3a上至少涂覆有润滑涂层的部分形成有深度为0.1- 5μm。润滑涂层表面的中心线的平均粗糙度Ra为1μm以下。固体润滑剂是二硫化钼，锡和铜中的至少一种。版权所有（C）2011，JPO＆INPIT

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