Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LUBRICANT COMPOSITION
Document Type and Number:
Japanese Patent JP2005008695
Kind Code:
A
Abstract:

To provide a lubricant composition, especially a lubricant composition suitable for automatic transmission, which can simultaneously enhance the dynamic friction factor and static friction factor of a wet clutch.

This lubricant composition is characterized by containing (A) a 2 to 20C polyol compound in an amount of 0.01 to 0.2 mass % based on the total amount of the composition, (B) an alkali metal borate in an amount of 0.03 to 0.05 mass % as the amount of boron, (C) an ash-free dispersant in an amount of 0.05 to 0.2 mass % as the amount of nitrogen, and (D) an alkaline earth metal sulfonate having a total base value of ≥240 mgKOH/g in an amount of 0.1 to 0.4 mass % as the amount of the alkaline earth metal.


Inventors:
Komatsubara, Hitoshi
Matsui, Shigeki
Yamane, Tomonori
Yoshida, Junpei
Application Number:
JP2003000172062
Publication Date:
January 13, 2005
Filing Date:
June 17, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON OIL CORP
HONDA MOTOR CO LTD
International Classes:
C10M101/02; C10M105/04; C10M105/36; C10M105/38; C10M125/26; C10M129/08; C10M133/56; C10M139/00; C10M159/24; C10M163/00; C10M169/04; C10N10/02; C10N10/04; C10N30/06; C10N40/04; C10N60/14; (IPC1-7): C10M169/04; C10M101/02; C10M105/04; C10M105/36; C10M105/38; C10M125/26; C10M129/08; C10M133/56; C10M139/00; C10M159/24