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Title:
LUBRICANT COMPOSITION, METHOD FOR PRODUCING LUBRICANT COMPOSITION, AND CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2019/146779
Kind Code:
A1
Abstract:
Provided are: a lubricant composition which has a good balance between a high traction coefficient and excellent fluidity at low temperatures at high levels, while having a high flash point, and which contains (a) a naphthenic synthetic oil having a flash point of 140°C or higher and (b) an ester having a branched chain and 5-32 carbon atoms so that the content of the naphthenic synthetic oil (a) is 35% by mass or more but less than 80% by mass based on the total amount of the composition; a method for producing this lubricant composition; and a continuously variable transmission which uses this lubricant composition.

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Inventors:
SUNAGAWA, Yoji (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 〒2990107, JP)
IWASAKI, Takeshi (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 〒2990107, JP)
Application Number:
JP2019/002722
Publication Date:
August 01, 2019
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD. (1-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 21, 〒1008321, JP)
International Classes:
C10M111/02; F16H15/00; C10M105/04; C10M105/32; C10M105/34; C10M105/38; C10N20/00; C10N20/02; C10N30/02; C10N30/06; C10N40/04
Domestic Patent References:
WO2015045816A12015-04-02
WO2000063323A12000-10-26
WO2002097016A12002-12-05
WO2003014268A12003-02-20
Foreign References:
JPH01149895A1989-06-12
JP2004010502A2004-01-15
JP2001294883A2001-10-23
JPH0395295A1991-04-19
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (Toranomon ES Bldg. 7F, 25-2 Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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