Title:
省燃費エンジン油組成物
Document Type and Number:
Japanese Patent JP6580816
Kind Code:
B2
Abstract:
The present invention is directed to a lubricating oil additive containing a vicinal diol and a particular detergent blend; typically mixed into low viscosity base oils whereby exhibiting improved fuel economy. In this respect, disclosed is a lubricating oil composition comprising: a major amount of base oil of lubricating viscosity; a friction modifier which is selected from the group consisting of C10-C30 alkane 1,2-diols and C10-C30 alkene 1,2-diols; an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater.
Inventors:
Nobuo Ushioda
Application Number:
JP2014188419A
Publication Date:
September 25, 2019
Filing Date:
September 17, 2014
Export Citation:
Assignee:
Chevron Japan Co., Ltd.
International Classes:
C10M163/00
Domestic Patent References:
| JP2000273481A | ||||
| JP2013133453A |
Attorney, Agent or Firm:
Asamura patent office