Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
Japanese Patent JP2021080429
Kind Code:
A
Abstract:
To provide a lubricating oil composition that has low abrasion, seizure resistance of a differential part and scoring resistance.SOLUTION: A lubricating oil composition includes (A) a lubricating base oil, (B) a viscosity index improver having a weight average molecular weight of 10,000 to 100,000, (C) a sulfur-based extreme pressure agent, (D) a phosphorus-based extreme pressure agent and (E) an ashless dispersant, is characterized in that the sulfur-based extreme pressure agent (C) includes (C1) a thiadiazole and the thiadiazole has two or more sulfur atoms, and is characterized by having a kinematic viscosity at 100°C of 2 to 10 mm2/s.SELECTED DRAWING: None
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Inventors:
KONISHI TOMOYA
MAMORI NOBUHARU
MAMORI NOBUHARU
Application Number:
JP2020041971A
Publication Date:
May 27, 2021
Filing Date:
March 11, 2020
Export Citation:
Assignee:
EMG LUBRICANTS GK
International Classes:
C10M135/36; C10M105/36; C10M105/38; C10M133/16; C10M133/56; C10M135/04; C10M135/06; C10M137/02; C10M137/04; C10M137/08; C10M137/10; C10M137/12; C10M145/14; C10M169/04
Attorney, Agent or Firm:
Mitsuo Matsui
Hiroshi Murakami
Yukari Kato
Hiroshi Murakami
Yukari Kato