公开(公告)号：US10011802B2

公开(公告)日：2018-07-03

申请号：US15119568

申请日：2015-02-16

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Keiichi Narita ,  Atsushi Nara

IPC分类号： C10M163/00 ,  C10M159/22 ,  C10M133/06

CPC分类号： C10M163/00 ,  C10M2203/1006 ,  C10M2203/1025 ,  C10M2207/027 ,  C10M2207/028 ,  C10M2207/144 ,  C10M2207/262 ,  C10M2209/084 ,  C10M2215/02 ,  C10M2215/04 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2219/106 ,  C10M2223/04 ,  C10M2223/041 ,  C10M2223/047 ,  C10M2223/049 ,  C10M2229/02 ,  C10N2210/02 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/18 ,  C10N2230/52 ,  C10N2240/04 ,  C10N2240/045

摘要： A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, in which R1 is a hydrocarbon group having 4 carbon atoms or more, and R2 and R3 each are a hydrocarbon group having 4 carbon atoms or less; and a component (D) that is at least one of acid phosphate and acid phosphite.