Title:
LOW-FRICTION SLIDING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2007/116861
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a low-friction sliding mechanism that can realize excellent
ultralow friction properties in a sliding face which is present in various applications.
[MEANS FOR SOLVING PROBLEMS] A low-friction sliding mechanism comprising
a glycerin-containing lubricating agent interposed in a sliding face between
sliding members having a hard carbon thin film. A hydroxyl group-containing
lubricating agent is interposed in a sliding face between sliding members having
a hard carbon thin film. The sliding contact condition is such that, under such
boundary lubrication that the coefficient of friction of the face of sliding
between steels, in which an engine oil has been interposed, is 0.1 to 0.14, the
coefficient of friction is less than 0.02. The hard carbon thin film is formed
of a-C or ta-C. The hardness of the hard carbon thin film is 1500 to 5000 Hv in terms
of Microvickers hardness under a load of 10 g. The hard carbon thin film has a thickness
of 0.3 to 2.0 µm. The hydroxyl group-containing lubricating agent is glycerin
which is an alcohol compound.
Inventors:
JEAN MICHEL MARTIN
KANO MAKOTO
SAGAWA TAKUMARU
WATANABE MASAHIKO
KANO MAKOTO
SAGAWA TAKUMARU
WATANABE MASAHIKO
Application Number:
PCT/JP2007/057409
Publication Date:
October 18, 2007
Filing Date:
April 02, 2007
Export Citation:
Assignee:
NISSAN MOTOR (JP)
JEAN MICHEL MARTIN
KANO MAKOTO
SAGAWA TAKUMARU
WATANABE MASAHIKO
JEAN MICHEL MARTIN
KANO MAKOTO
SAGAWA TAKUMARU
WATANABE MASAHIKO
International Classes:
F16C33/10; C10M105/12; C10M105/14; C10M107/36; F16C33/24; C10N30/06; C10N40/04; C10N40/18; C10N40/25
Domestic Patent References:
| WO2002045576A2 | 2002-06-13 |
Foreign References:
| JP2005098495A | 2005-04-14 | |||
| JP2002322322A | 2002-11-08 | |||
| JP2003208193A | 2003-07-25 | |||
| JP2003207056A | 2003-07-25 |
Other References:
KANO, JAPAN TRIBOLOGY CONGRESS PRELIMINARY THESES, May 1999 (1999-05-01), pages 11 - 12
KANO, WORLD TRIBOLOGY CONGRESS, vol. 9, 2001, pages 342
KANO, WORLD TRIBOLOGY CONGRESS, vol. 9, 2001, pages 342
Attorney, Agent or Firm:
HASHIMOTO, Takeshi et al. (Ekisaikai Bldg.1-29, Akashi-cho, Chuo-ku, Tokyo44, JP)
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