公开(公告)号：US10005980B2

公开(公告)日：2018-06-26

申请号：US14692906

申请日：2015-04-22

申请人： KYODO YUSHI CO., LTD.

发明人： Toshiaki Endo ,  Yuji Onuki ,  Yutaka Imai

IPC分类号： C10M169/02 ,  F16C33/66

CPC分类号： C10M169/02 ,  C10M2203/1006 ,  C10M2207/0406 ,  C10M2207/128 ,  C10M2207/2805 ,  C10M2207/2835 ,  C10M2207/301 ,  C10M2215/064 ,  C10M2215/1026 ,  C10M2219/044 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/08 ,  C10N2240/02 ,  C10N2250/10 ,  F16C33/6633 ,  C10N2210/01 ,  C10N2210/02

摘要： A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment.A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,  (I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.

公开(公告)号：US20140336090A1

公开(公告)日：2014-11-13

申请号：US14363913

申请日：2013-01-18

申请人： KYODO YUSHI CO., LTD.

发明人： Osamu Saita ,  Yuji Onuki ,  Masamichi Yamamoto

IPC分类号： C10M169/04

CPC分类号： C10M169/04 ,  C10M105/38 ,  C10M129/10 ,  C10M133/26 ,  C10M135/18 ,  C10M169/06 ,  C10M2207/023 ,  C10M2207/026 ,  C10M2207/0406 ,  C10M2207/123 ,  C10M2207/1236 ,  C10M2207/1256 ,  C10M2207/1285 ,  C10M2207/2835 ,  C10M2215/18 ,  C10M2219/066 ,  C10N2210/01 ,  C10N2230/06 ,  C10N2230/10 ,  C10N2240/02 ,  C10N2250/10 ,  F16C33/6633

摘要： The invention provides a grease composition which contains (a) a base oil, (b) a thickener, (c) a compound having an alkylthiocarbamoyl group, represented by the formula (1), (d) a hindered phenol antioxidant, and (e) a metal deactivator; wherein R1, R2, R3 and R4 are each independently an alkyl group having 1 to 20 carbon groups, and X represents S, S—S, S—CH2—S, S—CH2CH2—S or S—CH2CH2CH2—S.

摘要翻译： 本发明提供一种润滑脂组合物，其含有（a）基油，（b）增稠剂，（c）由式（1）表示的具有烷硫基氨基甲酰基的化合物，（d）受阻酚抗氧化剂和（e ）金属钝化剂; 其中R1，R2，R3和R4各自独立地为具有1-20个碳原子的烷基，X表示S，S-S，S-CH2-S，S-CH2CH2-S或S-CH2CH2CH2-S。