Title:
METHOD OF IMPROVING VEHICLE TRANSMISSION OPERATION THROUGH USE OF SPECIFIC LUBRICATING OIL COMPOSITIONS
Document Type and Number:
Japanese Patent JP2017025306
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of improving vehicle transmission operation through the use of a specific power transmission fluid composition, and in particular, a method of improving a transmission incorporating a lubricated wet clutch.SOLUTION: A vehicle transmission incorporates a wet clutch lubricated by a transmission fluid, which contains a major amount of a lubricating oil and a minor amount of an additive composition. The additive composition includes: (i) a compound of the structural formula (I) in the figure, where a is an integer from 1 to 10 and R is a hydrocarbon group made by metallocene-catalyzed polymerization of alpha-olefin feedstock; (ii) a friction modifier; and (iii) an oil-soluble phosphorus compound.SELECTED DRAWING: None
Inventors:
RAYMOND WATTS
KEITH GORDA
KIM HAHNSOO
KEITH GORDA
KIM HAHNSOO
Application Number:
JP2016139968A
Publication Date:
February 02, 2017
Filing Date:
July 15, 2016
Export Citation:
Assignee:
INFINEUM INT LTD
International Classes:
C10M133/56; C10M133/16; C10M137/02; C10M137/04; C10M137/10; C10M169/04; F16H45/02; F16H57/04
Domestic Patent References:
JP2001506302A | 2001-05-15 |
Foreign References:
US20120264665A1 | 2012-10-18 |
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Gen Tashiro
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Gen Tashiro