Title:
CHAIN TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/194412
Kind Code:
A1
Abstract:
In the present invention, by reducing the area of contact with a chain guide by forming the back surface of a link plate into an R-shaped convexity, the coefficient of friction in a fluid lubrication region is lowered (a region E). A coating film containing 10% or more of chromium is formed on the link plate. A friction modifier comprising a molybdenum compound such as MoDTC added to a lubricating oil promotes the production of MoS2 by the chromium coating film and suppresses an increase in the coefficient of friction at a boundary lubrication region.
Inventors:
TANAKA MOTOKI (JP)
YAMASHITA SATOSHI (JP)
NAKAGAWA HIROKI (JP)
HAYASHI ATSUSHI (JP)
YAMASHITA SATOSHI (JP)
NAKAGAWA HIROKI (JP)
HAYASHI ATSUSHI (JP)
Application Number:
PCT/JP2019/012275
Publication Date:
October 01, 2020
Filing Date:
March 22, 2019
Export Citation:
Assignee:
DAIDO KOGYO KK (JP)
International Classes:
F16G13/04
Foreign References:
| JP2014105717A | 2014-06-09 | |||
| JP2009162377A | 2009-07-23 | |||
| JP2018123937A | 2018-08-09 | |||
| JPS6081538A | 1985-05-09 | |||
| JP2002081508A | 2002-03-22 | |||
| JP2008025744A | 2008-02-07 | |||
| JPH11182634A | 1999-07-06 | |||
| JP2007107583A | 2007-04-26 | |||
| JP2010001975A | 2010-01-07 |
Attorney, Agent or Firm:
CHIKASHIMA & ASSOCIATES et al. (JP)
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