公开(公告)号：JP2004138242A

公开(公告)日：2004-05-13

申请号：JP2003344891

申请日：2003-10-02

Applicant: Kyodo Yushi Co Ltd ,  Nsk Ltd ,  協同油脂株式会社 ,  日本精工株式会社

Inventor： SHIBAYAMA ATSUSHI ,  KIMURA HIROSHI ,  SUGIMORI YOICHIRO ,  YAMAMOTO MASAO

IPC: F16C33/66 ,  C10M105/48 ,  C10M115/08 ,  C10M169/02 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10

Abstract: PROBLEM TO BE SOLVED: To provide a lubricating grease composition for a ball bearing with a low coefficient of friction and long acoustic service life.
SOLUTION: The lubricating grease composition containing base oil and a urea compound used as a thickener is sealed in the ball bearing. The base oil contains 50-100wt.% of a carbonate compound based upon overall weight of the base oil, the carbonate compound is represented by formula 1 of R
1 -O-CO-OR
2 (in the formula, R
1 and R
2 individually represents a 6-30C saturated or unsaturated straight or branched alkyl group), and an amount of the urea compound is 3-30wt.% based upon overall weight of the grease composition.
COPYRIGHT: (C)2004,JPO

公开(公告)号：JPH11279578A

公开(公告)日：1999-10-12

申请号：JP8413398

申请日：1998-03-30

Applicant: Kyodo Yushi Co Ltd ,  Nippon Seiko Kk ,  協同油脂株式会社 ,  日本精工株式会社

Inventor： KOIZUMI HIDEKI ,  YOKOUCHI ATSUSHI ,  ISO KENICHI ,  NAKA MICHIHARU ,  ENDO TOSHIAKI ,  SHIBAYAMA ATSUSHI

IPC: C10M141/08 ,  C10M169/00 ,  C10N10/04 ,  C10N30/12 ,  C10N40/02 ,  C10N50/10

CPC classification number: C10M141/08 ,  C10M105/20 ,  C10M105/36 ,  C10M105/38 ,  C10M117/02 ,  C10M119/24 ,  C10M125/26 ,  C10M129/40 ,  C10M129/42 ,  C10M129/76 ,  C10M133/06 ,  C10M133/08 ,  C10M133/44 ,  C10M135/10 ,  C10M145/28 ,  C10M145/36 ,  C10M145/38 ,  C10M169/00 ,  C10M2201/087 ,  C10M2201/10 ,  C10M2201/102 ,  C10M2201/105 ,  C10M2207/04 ,  C10M2207/085 ,  C10M2207/1225 ,  C10M2207/123 ,  C10M2207/125 ,  C10M2207/126 ,  C10M2207/1265 ,  C10M2207/127 ,  C10M2207/129 ,  C10M2207/166 ,  C10M2207/186 ,  C10M2207/206 ,  C10M2207/22 ,  C10M2207/246 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/2825 ,  C10M2207/283 ,  C10M2207/2835 ,  C10M2207/2855 ,  C10M2207/286 ,  C10M2207/287 ,  C10M2207/288 ,  C10M2207/289 ,  C10M2207/34 ,  C10M2209/104 ,  C10M2209/108 ,  C10M2209/109 ,  C10M2215/04 ,  C10M2215/042 ,  C10M2215/08 ,  C10M2215/082 ,  C10M2215/22 ,  C10M2215/221 ,  C10M2215/223 ,  C10M2215/225 ,  C10M2215/226 ,  C10M2215/26 ,  C10M2215/28 ,  C10M2215/30 ,  C10M2217/044 ,  C10M2217/045 ,  C10M2219/044 ,  C10N2210/01

Abstract: PROBLEM TO BE SOLVED: To provide a grease composition excellent in rust resisting performance and safety.
SOLUTION: Into a grease composition comprising a lubricating base oil and a thickening agent, a hydrophilic organic inhibitor selected from among a lipophilic organic inhibitor a nonionic surface active agent and a hydrophilic group-modified lanolin fatty acid derivative and an alkanolamine derivative, are in corporated each in an amount of 0.1-10 wt.% based on the total amount of the grease composition.
COPYRIGHT: (C)1999,JPO

Abstract translation: 要解决的问题：提供耐锈性和安全性优异的润滑脂组合物。 解决方案：将含有润滑油基础油和增稠剂的润滑脂组合物，选自亲脂性有机抑制剂，非离子表面活性剂和亲水基改性羊毛脂脂肪酸衍生物和链烷醇胺衍生物中的亲水性有机抑制剂 各自的量为0.1-10重量％，基于润滑脂组合物的总量。

公开(公告)号：JP2007154032A

公开(公告)日：2007-06-21

申请号：JP2005350804

申请日：2005-12-05

Applicant: Kyodo Yushi Co Ltd ,  協同油脂株式会社

Inventor： IMAI YUTAKA ,  ONUKI YUJI ,  SHIBAYAMA ATSUSHI

IPC: C10M169/02 ,  C10M105/38 ,  C10N20/00 ,  C10N20/02 ,  C10N30/08 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

CPC classification number: C10M169/02 ,  C10M105/38 ,  C10M2207/1285 ,  C10M2207/2835 ,  C10M2215/064 ,  C10M2215/223 ,  C10M2219/044 ,  C10N2210/02 ,  C10N2220/022 ,  C10N2220/13 ,  C10N2240/02 ,  C10N2250/10 ,  F16C33/6633

Abstract: PROBLEM TO BE SOLVED: To provide a grease composition suitable to a roller bearing under a low temperature, and exhibiting stable lubricity for a long period, and provide a bearing filled with the grease composition.
SOLUTION: This grease composition comprises a base oil and a thickener, where the base oil contains an ester oil comprising pentaerythritol and a fatty acid and expressed by formula (1): C(CH
2 OCOR
1 )
4 being a pentaerythritol tetraester, wherein R
1 represents 6-12C linear and/or branched fatty acid residue. The composition of the fatty acid at least comprises 51-55 mass% 2-ethylhexanoic acid and 39-49 mass% sum total of caprylic acid and capric acid, provided that caprylic acid is 30 mass% or more and capric acid is 5-10 mass%.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供适用于低温下的滚动轴承的润滑脂组合物，并且长时间显示出稳定的润滑性，并且提供填充有润滑脂组合物的轴承。 解决方案：这种润滑脂组合物包括基础油和增稠剂，其中基础油含有包含季戊四醇和脂肪酸的酯油，并由式（1）表示：C（CH 2 OCOR 季戊四醇四酯，其中R SP 1表示6-12C直链和/或支链脂肪酸残基。 脂肪酸的组成至少包含51-55质量％的2-乙基己酸和39-49质量％的辛酸和癸酸的总和，条件是辛酸为30质量％以上，癸酸为5-10 质量％。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2005037210A

公开(公告)日：2005-02-10

申请号：JP2003199188

申请日：2003-07-18

Applicant: Kyodo Yushi Co Ltd ,  協同油脂株式会社

Inventor： NAGAHORA SHINICHI ,  SHIBAYAMA ATSUSHI ,  MORIUCHI TSUTOMU ,  EJIMA MIZUO

IPC: G01N3/30

Abstract: PROBLEM TO BE SOLVED: To provide a method for measuring a coefficient of an oscillation energy loss such as a loss coefficient at a mode frequency in a second order resonance mode or more and in measurement object with the large oscillation energy loss. SOLUTION: The method for measuring the coefficient of the oscillation energy loss of the measurement object (T) has a step for specifying the mode frequency in the resonance mode for measuring the coefficient of the measurement object, a step for exciting the measurement object using a burst wave of a harmonic function of the specified mode frequency, a step for picking up a time-series oscillation waveform of the excited measurement object, a step for transmitting the picked-up time-series oscillation waveform to a predetermined frequency selecting filter (12) and a step for calculating the coefficient of the oscillation energy loss of the measurement object based on the time-series oscillation waveform passing through the frequency selecting filter. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种用于测量振荡能量损失系数的方法，例如在二阶共振模式以上的模式频率下的损耗系数和具有大的振荡能量损失的测量对象。 测量对象（T）的振荡能量损耗的系数的方法具有用于指定用于测量测量对象的系数的共振模式中的模式频率的步骤，用于激发测量的步骤 使用指定模式频率的谐波函数的脉冲波的对象，用于拾取被激励的测量对象的时间序列振荡波形的步骤，用于将所拾取的时间序列振荡波形发送到预定频率选择的步骤 滤波器（12）以及基于通过频率选择滤波器的时间序列振荡波形计算测量对象的振荡能量损失系数的步骤。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2007321042A

公开(公告)日：2007-12-13

申请号：JP2006151935

申请日：2006-05-31

Applicant: Denso Corp ,  Kyodo Yushi Co Ltd ,  協同油脂株式会社 ,  株式会社デンソー

Inventor： SHIBAYAMA ATSUSHI ,  MORIUCHI TSUTOMU ,  BUNNE SEIJI ,  IKEJIMA SHOZO ,  WAKAHARA YASUYUKI

IPC: C10M105/04 ,  C10M113/12 ,  C10M115/08 ,  C10M169/02 ,  C10N20/00 ,  C10N30/00 ,  C10N30/06 ,  C10N40/04 ,  C10N50/10

CPC classification number: C10M105/04 ,  C10M127/02 ,  C10M2201/1056 ,  C10M2203/024 ,  C10M2207/026 ,  C10M2207/1265 ,  C10M2207/1285 ,  C10M2207/289 ,  C10M2215/1026 ,  C10N2210/01 ,  C10N2230/06 ,  C10N2240/04 ,  C10N2240/08 ,  C10N2250/10

Abstract: PROBLEM TO BE SOLVED: To provide a grease composition with a high coefficient of friction, excellent in improvement of wear resistance of lubricating part of a clutch and a torque limiter mechanism, preferably used in these lubricating parts.
SOLUTION: The invention relates to the grease composition comprising a thickener and a base oil, wherein the base oil contains squalene.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种具有高摩擦系数的润滑脂组合物，提高离合器的润滑部件的耐磨性，以及优选用于这些润滑部件的扭矩限制机构。 解决方案：本发明涉及包含增稠剂和基础油的润滑脂组合物，其中基油含有角鲨烯。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006016459A

公开(公告)日：2006-01-19

申请号：JP2004194128

申请日：2004-06-30

Applicant: Kyodo Yushi Co Ltd ,  Kyushu Univ ,  協同油脂株式会社 ,  国立大学法人九州大学

Inventor： SHIBAYAMA ATSUSHI ,  YAMAMOTO YUJI

IPC: C10M169/02 ,  C10M117/02 ,  C10M117/04 ,  C10N10/02 ,  C10N10/04 ,  C10N10/16 ,  C10N30/06 ,  C10N50/10

Abstract: PROBLEM TO BE SOLVED: To provide a lubricating grease composition having low friction coefficient and excellent lubricating properties. SOLUTION: The lubricating grease composition contains a base oil and a thickening agent containing (a) at least one kind of the 1st metal salt selected from a ≥10C fatty acid lithium salt and a ≥10C hydroxy-containing fatty acid lithium salt and (b) at least one kind of the 2nd metal salt selected from a ≥10C fatty acid iron salt and copper salt and a ≥10C hydroxy-containing fatty acid iron salt and copper salt. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供具有低摩擦系数和优异的润滑性能的润滑脂组合物。 解决方案：润滑脂组合物含有基油和增稠剂，其含有（a）选自≥10C脂肪酸锂盐和≥10℃含羟基脂肪酸锂盐中的至少一种第一金属盐 和（b）选自≥10C脂肪酸铁盐和铜盐中的至少一种第二金属盐和≥10℃含羟基的脂肪酸铁盐和铜盐。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2002047499A

公开(公告)日：2002-02-12

申请号：JP2000234739

申请日：2000-08-02

Applicant: NSK LTD ,  KYODO YUSHI

Inventor： YOKOUCHI ATSUSHI ,  KURAISHI ATSUSHI ,  SUGIMORI YOICHIRO ,  FUJITA YASUNOBU ,  NAKA MICHIHARU ,  SHIBAYAMA ATSUSHI ,  KIMURA HIROSHI

IPC: F16C33/66 ,  C10M101/02 ,  C10M105/18 ,  C10M105/36 ,  C10M105/38 ,  C10M105/48 ,  C10M107/02 ,  C10M107/34 ,  C10M117/02 ,  C10M117/04 ,  C10M169/00 ,  C10M169/02 ,  C10N10/02 ,  C10N10/04 ,  C10N10/06 ,  C10N20/06 ,  C10N30/00 ,  C10N40/02 ,  C10N50/10

Abstract: PROBLEM TO BE SOLVED: To obtain a grease composition that imparts excellent acoustic durability to a rolling bearing and makes it possible to realize the reduction in a bearing torque. SOLUTION: This grease composition for rolling bearings comprises a base oil prepared by blending a lubricating oil having a polar group in its molecular structure with nonpolar lubricating oil, and a metal soap-base thickener containing a long fibrous material having a length in the long diameter portion of at least 3 μm incorporated into the base oil.

公开(公告)号：JP2003176490A

公开(公告)日：2003-06-24

申请号：JP2002379644

申请日：2002-12-27

Applicant: KYODO YUSHI ,  NSK LTD

Inventor： SHIBAYAMA ATSUSHI ,  KIMURA HIROSHI ,  SUGIMORI YOICHIRO ,  YAMAMOTO MASAO

IPC: C10M169/02 ,  C10M105/48 ,  C10M115/08 ,  C10M117/02 ,  C10M117/04 ,  C10N10/02 ,  C10N10/04 ,  C10N10/06 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

Abstract: PROBLEM TO BE SOLVED: To obtain a lubricating grease composition having a long noise- preventing life, when used for bearings. SOLUTION: This lubricating grease composition for the ball bearings of spindle motors is characterized by comprising a base oil and a thickener, wherein the base oil contains a carbonate ester compound represented by the formula (1): R 1 O-CO-OR 2 (R 1 and R 2 are each independently a 6 to 30C saturated or unsaturated linear or branched alkyl) in an amount of 50 to 100 wt.% based on the total weight of the base oil, and the thickener is selected from the group consisting of lithium soap, sodium soap, calcium soap, and a aluminum soap in an amount of 3 to 30 wt.% based on the grease composition. COPYRIGHT: (C)2003,JPO