Title:
内燃機関用潤滑油組成物
Document Type and Number:
Japanese Patent JP4749613
Kind Code:
B2
Abstract:
An internal combustion engine oil composition exhibiting detergent action over a long period and being excellent in fuel consumption performance, which comprises (A) a base oil consisting of a mineral and/or synthetic oil having a kinematic viscosity of 2 to 8 mm2 /s at 100 °C and a total aromatic content of 15 % by mass or below, (B) 2 to 15 % by mass of polybutenyl− succinimide having a weight−average molecular weight of 6500 or above and/or a derivative thereof, (C) 0.2 to 5 % by mass of a phenol− and/or amine−type ashless antioxidant, (D) 0.2 to 15 % by mass of a viscosity index improver having a weight−average molecular weight of 400000 or above, and (E) 0.05 to 3 % by mass of a friction modifier, the percentages specified for the components (B) to (E) being based on the whole of the composition.
Inventors:
Yaguchi Akira
Jinichi Igarashi
Jinichi Igarashi
Application Number:
JP2001211679A
Publication Date:
August 17, 2011
Filing Date:
July 12, 2001
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
C10M169/04; C10M129/10; C10M129/54; C10M129/76; C10M133/12; C10M133/56; C10M135/10; C10M135/24; C10M135/30; C10M139/00; C10M159/22; C10M159/24; C10M101/02; C10M133/16; C10M145/14; C10M159/20; C10N10/04; C10N20/02; C10N20/04; C10N30/02; C10N30/04; C10N30/06; C10N30/10; C10N40/25
Domestic Patent References:
| JP8302378A | ||||
| JP9003463A | ||||
| JP2000063862A | ||||
| JP56093798A | ||||
| JP7197067A | ||||
| JP49045909A | ||||
| JP2001181664A |
Attorney, Agent or Firm:
Junyuki Morita
Hideyo Okazawa
Hideyo Okazawa