Title:
LUBRICANT COMPOSITION, METHOD FOR MANUFACTURING LUBRICANT COMPOSITION AND TRANSMISSION
Document Type and Number:
Japanese Patent JP2018115301
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lubricant composition satisfying both viscosity-index and shear stability at a high level and a method for lubricating and a transmission using it.SOLUTION: The present invention provides: a lubricant oil composition which comprises a base oil having a dynamic viscosity at 40°C of 4.0 mm/s or more and less than 6.0 mm/s, a dynamic viscosity at 100°C of 1.0 mm/s or more and less than 2.0 mm/s and a flash point of 140°C or more and a polymethacrylate having a certain structure; and a method for lubricating and a transmission using the same.SELECTED DRAWING: None
Inventors:
IWAI TOSHIAKI
Application Number:
JP2017008867A
Publication Date:
July 26, 2018
Filing Date:
January 20, 2017
Export Citation:
Assignee:
IDEMITSU KOSAN CO
International Classes:
C10M145/14; C10M101/02; C10M169/04
Attorney, Agent or Firm:
Tamotsu Otani
Yoshio Takizawa
Yoshio Takizawa