Title:
LUBRICANT COMPOSITION FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2017179156
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress viscosity increase of a lubricant when bio fuel is contaminated while making adverse effect on an exhaust gas purification device small and fuel saving excellent.SOLUTION: A lubricant composition for internal combustion engine contains a base oil, at least one kind of (A) component selected from alkenyl or alkylsuccinic acid monoimide and a boron derivative thereof (A1) and alkenyl or alkylsuccinic acid bisimide or a boron derivative thereof (A2), at least one kind of (B) component selected from binuclear and trinuclear organomolybdenum compound, perbasic sodium sulfonate (C), and at least one kind of (D) component selected from perbasic calcium salicylate (D1) and perbasic calcium phenate (D2) with contents of the (A) to (C) components and content ratio of the (A1) component and the (A2) component in prescribed range and sulfate ash component of 0.8 mass% or less.SELECTED DRAWING: None
Inventors:
ISHIKAWA MOTOHARU
Application Number:
JP2016069739A
Publication Date:
October 05, 2017
Filing Date:
March 30, 2016
Export Citation:
Assignee:
IDEMITSU KOSAN CO
International Classes:
C10M169/04; C10M101/02; C10M107/02; C10M129/10; C10M133/12; C10M133/16; C10M133/56; C10M139/00; C10M159/22; C10M159/24
Attorney, Agent or Firm:
Tamotsu Otani
Yoshio Takizawa
Shigeru Torayama
Yoshio Takizawa
Shigeru Torayama
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