Title:
無段変速機油組成物
Document Type and Number:
Japanese Patent JP4367819
Kind Code:
B2
Abstract:
The oil composition for infinite variable speed devices of the present invention comprises: (a) a lubricating oil base oil, (b) a polymethacrylate, (c) a phenate or sulfonate of alkaline earth metal, (d) an imido compound, (e) an (alkyl)phenyl (thio)phosphate, (f) a zinc dithiophosphate, and (g) a fatty acid amide compound. The oil composition exhibits a high coefficient of friction required for transmitting power to large output engines, and excellent capability of preventing abrasion and scratch noises. Therefore, the composition can be suitably used as a lubricating oil for a CVT for vehicles.
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Inventors:
Chika Saeki
Kohei Matsuo
Kohei Matsuo
Application Number:
JP2000582508A
Publication Date:
November 18, 2009
Filing Date:
November 11, 1999
Export Citation:
Assignee:
Japan Energy Co., Ltd.
International Classes:
C10M161/00; C10M129/10; C10M133/16; C10M135/10; C10M137/04; C10M137/10; C10M139/00; C10M145/14; C10M167/00; C10M169/04; C10N10/02; C10N10/04; C10N30/00; C10N30/06; C10N40/04
Domestic Patent References:
| JPH0978079A | 1997-03-25 | |||
| JPH09100487A | 1997-04-15 | |||
| JPH09263782A | 1997-10-07 | |||
| JPH0925491A | 1997-01-28 |
Other References:
トライボロジスト, vol. 第40巻第4号(1995), JPN6009024532, pages 345 - 348, ISSN: 0001326684
Attorney, Agent or Firm:
Kiyoshi Fujino
Kyoko Yoshimi
Kiyonori Fujino
Sanae Goto
Kyoko Yoshimi
Kiyonori Fujino
Sanae Goto