Title:
LUBRICANT OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2017/099052
Kind Code:
A1
Abstract:
According to the present invention, a lubricant oil composition for an internal combustion engine contains (A) a base oil having a kinematic viscosity of 2-8 mm2/s at 100°C and 10 mass% or less aromatic content, (B) a metal-based detergent including (B1) a metal-based detergent overbased by calcium carbonate and (B2) a metal-based detergent overbased by magnesium carbonate, and (C) molybdenum dithiocarbamate sulfide or oxymolybdenum dithiocarbamate sulfide; wherein, based on the total amount of the lubricant oil composition, the calcium content is 1500 or less ppm by mass, the magnesium content is 300 or more ppm by mass and the molybdenum content is 600 or more ppm by mass; and wherein the HTHS viscosity at 150°C is 2.7 or less mPa · s.
Inventors:
HOSHINO KOJI (JP)
MATSUDA HIROMITSU (JP)
KANEKO TOYOHARU (JP)
YAMAMORI KAZUO (JP)
MATSUDA HIROMITSU (JP)
KANEKO TOYOHARU (JP)
YAMAMORI KAZUO (JP)
Application Number:
PCT/JP2016/086160
Publication Date:
June 15, 2017
Filing Date:
December 06, 2016
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
C10M169/04; C10M101/02; C10M129/10; C10M133/12; C10M135/18; C10M137/10; C10N10/04; C10N10/12; C10N20/02; C10N30/00; C10N30/04; C10N40/25
Foreign References:
| JP2015163673A | 2015-09-10 | |||
| JP2013170217A | 2013-09-02 | |||
| JP2016180070A | 2016-10-13 |
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
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