Title:
変速機用潤滑油組成物
Document Type and Number:
Japanese Patent JP4808027
Kind Code:
B2
Abstract:
A lubricating oil composition for a transmission, characterized in that it comprises (A) a mineral oil base oil for a lubricating oil and/or a synthetic base oil for a lubricating oil having a kinematic viscosity at 100°C of 1.5 to 10 mm<2>/s, (B) one or more of a high viscosity synthetic lubricating oil having a kinematic viscosity at 100°C of 40 to 500 mm<2>/s in an amount of 2 to 40 mass % based on the total amount of the above composition, and (C) an extreme pressure additive comprising a phosphorus based extreme pressure additive and/or a phosphorus-sulfur based extreme pressure additive and optionally further and a sulfur based extreme pressure additive in an amount of 0.01 to 5 mass % based on the total amount of the above composition. The lubricating oil composition combines good fuel saving performance capability and satisfactory durability of a gear, a bearing and the like.
Inventors:
Osamu Kurosawa
Shigeki Matsui
Shigeki Matsui
Application Number:
JP2005504802A
Publication Date:
November 02, 2011
Filing Date:
January 30, 2004
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
C10M169/04; C10M101/02; C10M105/02; C10M105/32; C10M107/02; C10M135/00; C10M137/00; C10M171/02; C10M135/04; C10M135/18; C10M135/20; C10M135/36; C10M137/02; C10M143/08; C10M159/20; C10N20/02; C10N30/06; C10N40/04
Domestic Patent References:
| JPH06179887A | 1994-06-28 | |||
| JPH04264198A | 1992-09-18 | |||
| JP2000501126A | 2000-02-02 | |||
| JPH11189782A | 1999-07-13 | |||
| JP2004010894A | 2004-01-15 | |||
| JP2002371291A | 2002-12-26 |
Foreign References:
| WO1999016849A1 | 1999-04-08 |
Attorney, Agent or Firm:
Junyuki Morita