Title:
省燃費ディーゼルエンジン潤滑用潤滑油組成物
Document Type and Number:
Japanese Patent JP5079407
Kind Code:
B2
Abstract:
A lubricating oil composition for internal combustion engines comprising a base oil having and lubricating viscosity and additives composed of a) a salt of an alkali metal or alkaline earth metal and an alkylsalicylate and/or an alkylcarboxylate, b) a nitrogen atom-containing ashless dispersant and/or a nitrogen atom-containing dispersive viscosity index improver, c) a neutral salt of a fatty acid and a fatty amine, and d) oxidation inhibitor, is effective for lubricating diesel engines using a low sulfur-content fuel, even though it has a low sulfated ash content, a low sulfur content and a low phosphorus content.
Inventors:
Yoshinao Takeuchi
Muramatsu Takahiro
Yukito Yamashita
Nakazato Morikuni
Muramatsu Takahiro
Yukito Yamashita
Nakazato Morikuni
Application Number:
JP2007170667A
Publication Date:
November 21, 2012
Filing Date:
June 28, 2007
Export Citation:
Assignee:
Chevron Japan Co., Ltd.
International Classes:
C10M163/00; C10M167/00; C10M169/04; C10M101/02; C10M129/40; C10M133/06; C10M133/16; C10M137/06; C10M137/10; C10M149/02; C10M159/20; C10M159/22; C10N10/02; C10N10/04; C10N20/00; C10N20/02; C10N20/04; C10N30/06; C10N40/25
Domestic Patent References:
| JP2004131742A | ||||
| JP2265998A | ||||
| JP2004002817A |
Attorney, Agent or Firm:
Yanagawa Yasuo