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Title:
FLUID FOR TRACTION DRIVE
Document Type and Number:
Japanese Patent JP3599231
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a fluid which is used for traction drives, has excellent abrasion resistance and excellent scoring resistance, and can control surface damages such as the peeling of an abrading material.
SOLUTION: This fluid for traction drives is obtained by adding (A) an active phosphate ester and (B) a boron-containing imide-based dispersant to a base oil so that a phosphorus content originated from the component A and a boron content originated from the component B are 100 to 600 wt.ppm and ≥60 wt.ppm, respectively, in the fluid, and further adding (C) a boron-free imide-based dispersant to the base oil so that the weight ratio of the nitrogen in the component C to the boron in the component B is ≥1.


Inventors:
Kazushi Hata
Miyaji Tomomi
Nobuo Goto
Keie Arakawa
Yasuhiro Murakami
Application Number:
JP15773399A
Publication Date:
December 08, 2004
Filing Date:
June 04, 1999
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD.
Nippon Seiko Co., Ltd.
Nissan Motor Co., Ltd
International Classes:
C10M141/10; C10M141/12; C10M177/00; C10N30/00; C10N30/04; C10N30/06; C10N40/04; C10N60/14; C10N70/00; (IPC1-7): C10M141/12; C10M177/00
Domestic Patent References:
JP8127789A
JP9263782A
JP11349968A
JP6210194A
JP6253398A
JP1025489A
JP2000109868A
JP2000109870A
JP2000109871A
JP2000109873A
JP2000345182A
Attorney, Agent or Firm:
Tamotsu Otani