Title:
内燃機関用潤滑油組成物
Document Type and Number:
Japanese Patent JP5557413
Kind Code:
B2
Abstract:
To provide a lubricant composition for an internal combustion engine, excellent in fuel economy, sludge suppression and engine cleaning.
The lubricant composition for internal combustion engine contains in a lubricant base oil (A) an ashless dispersant, (B) a viscosity index improver having 10-100 PSSI (permanent shear stability index) and at least one selected from (C) a metallic cleaner, (D) an antioxidant, (E) an abrasion preventive and (F) a friction modifier, and has ≥32 numerical ratio of viscosity index (VI) of the composition to HTHS viscosity (HV100, unit; mPa s) of the composition at 100°C (VI/HV100).
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
Akira Yaguchi
Jin-ichi Igarashi
Kiyoshi Inoue
Jin-ichi Igarashi
Kiyoshi Inoue
Application Number:
JP2006037934A
Publication Date:
July 23, 2014
Filing Date:
February 15, 2006
Export Citation:
Assignee:
JX day ore Nippon Oil energy incorporated company
International Classes:
C10M169/04; C10M145/10; C10M149/10; C10N20/00; C10N20/02; C10N20/04; C10N30/02; C10N30/04; C10N30/06; C10N40/25
Attorney, Agent or Firm:
Yoriyuki Morita