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1. 发明公开

EP2738242A1 GREASE COMPOSITION FOR EV/HEV DRIVING MOTOR BEARING AND EV/HEV DRIVING MOTOR BEARING 审中-公开
标题翻译： EV / HEV-ANTRIEBSMOTORLAGER的SCHMIERFETTZUSAMMENSETZUNGFÜREV / HEV-ANTRIEBSMOTORLAGER
公开(公告)号：EP2738242A1
公开(公告)日：2014-06-04
申请号：EP12817787.0
申请日：2012-07-27
申请人： NSK Ltd. , Kyodo Yushi Co., Ltd.
发明人： MIZUKI Hironori , MAEJIMA Takeshi , ISO Kenichi , NAKAGAWA Kazunori , IMAI Yutaka , AIDA Ryo
IPC分类号： C10M169/02 , C10M105/38 , C10M115/08 , C10M129/10 , C10M133/12 , C10M159/24 , F16C33/66 , C10N20/00 , C10N20/02 , C10N30/00 , C10N30/02 , C10N30/06 , C10N30/10 , C10N40/02 , C10N50/10
CPC分类号： C10M135/10 , C10M105/38 , C10M115/08 , C10M129/10 , C10M133/12 , C10M169/02 , C10M2203/1006 , C10M2205/0285 , C10M2207/026 , C10M2207/0406 , C10M2207/2825 , C10M2207/2835 , C10M2207/289 , C10M2215/064 , C10M2215/1026 , C10M2219/046 , C10N2220/022 , C10N2230/02 , C10N2230/06 , C10N2230/08 , C10N2240/02 , C10N2250/10 , F16C33/6633
摘要： The invention provides a grease composition for EV/HEV driving motor bearing, containing a diurea thickener of the following formula (A):

wherein R 2 is a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and R 1 and R 3 , which may be the same or different represent a straight-chain or branched alkyl group having 16 to 20 carbon atoms or cyclohexyl group, with the ratio of the number of moles of the straight-chain or branched alkyl group having 16 to 20 carbon atoms to the total number of moles of the cyclohexyl group and the straight-chain or branched alkyl group having 16 to 20 carbon atoms, expressed as [((the number of alkyl group) / (the number of cyclohexyl group + the number of alkyl group)) x 100] being 60 to 80%, and a base oil which has a kinematic viscosity at 40°C of 15 to 50 mm 2 /s and includes a trimethylolpropane ester oil in an amount of 80 mass% or more based on the total mass of the base oil. The grease composition of the invention can exhibit a long bearing lubrication life under the conditions of high temperature and high speed, and satisfactory low-temperature flowability.
摘要翻译：本发明提供了含有下式（A）的二脲增稠剂的EV / HEV驱动电动机轴承用润滑脂组合物：其中，R 2为碳原子数为6〜15的二价芳香族烃基; R 1和R 3可以相同或不同，表示碳原子数为16〜20的直链或支链烷基或环己基，直链或支链烷基的摩尔数比具有16至20个碳原子的环己基基团和具有16至20个碳原子的直链或支链烷基的总摩尔数表示为[（（烷基数）/（环己基数 +烷基数））×100]为60〜80％，在40℃下的运动粘度为15〜50mm 2 / s，含有80质量份的三羟甲基丙烷酯油的基油基于基础油的总质量的％以上。本发明的润滑脂组合物可以在高温高速的条件下表现出长的轴承润滑寿命，并且具有令人满意的低温流动性。

2. 发明授权

EP2687584B1 GREASE COMPOSITION 有权
公开(公告)号：EP2687584B1
公开(公告)日：2020-09-09
申请号：EP12757356.6
申请日：2012-03-19
申请人： Kyodo Yushi Co., Ltd.
发明人： IMAI Yutaka , AIDA Ryo
IPC分类号： C10M169/00 , F16C33/66 , C10M105/18 , C10M115/08 , C10M129/10 , C10M133/12 , C10M135/10 , C10M135/18 , C10M137/10 , C10N10/04 , C10N20/00 , C10N30/06 , C10N30/10 , C10N30/12 , C10N40/02 , C10N50/10 , C10M169/06

3. 发明公开

EP2687584A1 GREASE COMPOSITION 有权
标题翻译： SCHMIERFETTZUSAMMENSETZUNG
公开(公告)号：EP2687584A1
公开(公告)日：2014-01-22
申请号：EP12757356.6
申请日：2012-03-19
申请人： Kyodo Yushi Co., Ltd.
发明人： IMAI Yutaka , AIDA Ryo
IPC分类号： C10M169/00 , F16C33/66 , C10M105/18 , C10M115/08 , C10M129/10 , C10M133/12 , C10M135/10 , C10M135/18 , C10M137/10 , C10N10/04 , C10N20/00 , C10N30/06 , C10N30/10 , C10N30/12 , C10N40/02 , C10N50/10
摘要： The invention provides a grease composition for rolling bearings of automotive electrical equipment or automotive auxiliaries, where a base oil contains as an essential component an alkyldiphenyl ether oil; a thickener is a diurea compound represented by the following formula (1):

(wherein R 2 is a diphenylmethane group; and R 1 and R 3 , which may be the same or different represent an aromatic hydrocarbon group having 6 to 12 carbon atoms); and an anti-flaking additive that contains an organic sulfonate rust inhibitor and a load carrying additive. The grease composition of the invention can extend the bearing lubrication life even at elevated temperatures and exhibit excellent anti-flaking properties, so that the grease composition can be enclosed in the rolling bearings of automotive electrical equipment or automotive auxiliaries.
摘要翻译：本发明提供一种用于汽车电气设备或汽车辅助设备的滚动轴承的润滑脂组合物，其中基础油包含烷基二苯醚油作为必要组分; 增稠剂是由下式（1）表示的二脲化合物：其中，R 2为二苯基甲烷基，R 1和R 3可以相同或不同，表示碳原子数为6〜12的芳香族烃基） ; 以及含有有机磺酸盐防锈剂和承载添加剂的抗剥落添加剂。本发明的润滑脂组合物即使在升高的温度下也能延长轴承的润滑寿命，并具有优异的抗剥落性能，因此润滑脂组合物可以封闭在汽车电气设备或汽车辅助设备的滚动轴承中。

4. 发明公开

EP2913385A1 GREASE COMPOSITION 有权
标题翻译：油脂组成
公开(公告)号：EP2913385A1
公开(公告)日：2015-09-02
申请号：EP13848677.4
申请日：2013-10-25
申请人： Kyodo Yushi Co., Ltd.
发明人： AIDA Ryo , YOSHINARI Terasu , IMAI Junichi
IPC分类号： C10M169/00 , C10M105/18 , C10M115/08 , C10M129/10 , C10M129/28 , C10M129/58 , C10M133/12 , C10M135/10 , C10M135/18 , C10M137/04 , C10M137/10 , C10M159/24 , F16C19/00 , F16C33/66 , C10N10/04 , C10N30/00 , C10N30/08 , C10N40/02
CPC分类号： C10M169/06 , C10M169/00 , C10M2207/026 , C10M2207/0406 , C10M2215/06 , C10M2215/064 , C10M2215/1026 , C10M2219/046 , C10M2219/068 , C10M2223/045 , C10N2230/06 , C10N2230/08 , C10N2240/02 , C10N2250/10 , F16C33/6633 , C10N2210/02
摘要： The invention provides a grease composition for rolling bearings of automotive electrical equipment or automotive auxiliaries, containing a base oil that includes as an essential component an alkyldiphenyl ether oil; a diurea thickener represented by formula (1); an anti-flaking additive including an organic sulfonate rust inhibitor and a load carrying additive; and an antioxidant. In the formula (1), R 2 is a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and one of R 1 or R 3 represents cyclohexyl group and the other represents cyclohexyl group, an alkyl group having 8 to 22 carbon atoms or an aromatic hydrocarbon group having 6 to 12 carbon atoms.
摘要翻译：本发明提供一种汽车用电气设备或汽车用辅机的滚动轴承用润滑脂组合物，其含有以烷基二苯醚油为必要成分的基油，由式（1）表示的二脲增稠剂; 包含有机磺酸盐防锈剂和负载添加剂的抗剥落添加剂; 和一种抗氧化剂。在式（1）中，R 2是具有6至15个碳原子的二价芳族烃基; 并且R1或R3中的一个代表环己基，另一个代表环己基，具有8-22个碳原子的烷基或具有6-12个碳原子的芳族烃基。

5. 发明公开

EP2631284A1 GREASE COMPOSITION 有权
标题翻译：油脂组成
公开(公告)号：EP2631284A1
公开(公告)日：2013-08-28
申请号：EP11834414.2
申请日：2011-10-20
申请人： Kyodo Yushi Co., Ltd.
发明人： IMAI Yutaka , AIDA Ryo
IPC分类号： C10M169/00 , C10M101/02 , C10M105/02 , C10M107/02 , C10M115/08 , C10M129/34 , C10M129/42 , C10M135/10 , C10N10/04 , C10N20/00 , C10N20/02 , C10N30/02 , C10N30/12 , C10N40/02 , C10N50/10
CPC分类号： C10M169/00 , C10M169/06 , C10M2203/1006 , C10M2203/1025 , C10M2205/003 , C10M2205/0285 , C10M2207/123 , C10M2207/127 , C10M2207/289 , C10M2215/1026 , C10M2219/044 , C10N2220/022 , C10N2220/023 , C10N2230/02 , C10N2230/06 , C10N2230/12 , C10N2240/02 , C10N2240/20 , C10N2240/54 , C10N2250/10 , C10N2210/02 , C10N2260/02
摘要： The invention provides a grease composition which contains (A) a base oil including a synthetic hydrocarbon oil and a highly purified mineral oil with a pour point of -35°C or less at a ratio by mass of 100:0 to 30:70; (B) a thickener represented by the following formula (1): R 1 -NHCONH-R 2 -NHCONH-R 3 (wherein R 2 is a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R 1 and R 3 , which may be the same or different represent cyclohexyl group or a straight-chain or branched alkyl group having 8 to 18 carbon atoms), with [((the number of moles of the alkyl groups) / (the number of moles of the alkyl groups + the number of moles of the cyclohexyl groups)) x 100] being 30 to 100%; and (C) an alkenylsuccinic anhydride and/or organic zinc sulfonate. The grease composition of the invention can exhibit low torque performance and excellent rust preventing properties.
摘要翻译：本发明提供一种润滑脂组合物，其含有（A）以100:0〜30:70的质量比含有合成烃油和倾点-35℃以下的高纯度矿物油的基础油，（B）由下式（1）表示的增稠剂：R1-NHCONH-R2-NHCONH-R3（其中R2是具有6-15个碳原子的二价芳族烃基，并且R1和R3可以相同，或者不同表示环己基或碳原子数8〜18的直链或支链烷基），[（（烷基摩尔数）/（烷基摩尔数+ 环己基））×100]为30〜100％。和（C）链烯基琥珀酸酐和/或有机锌磺酸盐。本发明的润滑脂组合物可以表现出低转矩性能和优异的防锈性能。

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