Title:
SLIDING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2021/161728
Kind Code:
A1
Abstract:
This sliding mechanism is provided with: a cylinder bore having an iron-based thermally sprayed film; and a piston having a piston ring covered by a hard film containing carbon as a main component.
Moreover, the thermally sprayed film contains diamond abrasive grains; the surface area percentage of the diamond abrasive grains in the thermally sprayed film surface is 0.3 to 1.8%; and wear of the piston ring having the hard film containing carbon as a main component can be controlled.
Inventors:
HIRAYAMA HAYATO (JP)
HIGUCHI TSUYOSHI (JP)
HOSHIKAWA HIROAKI (JP)
TAINAKA NAOYA (JP)
HIGUCHI TSUYOSHI (JP)
HOSHIKAWA HIROAKI (JP)
TAINAKA NAOYA (JP)
Application Number:
PCT/JP2021/001555
Publication Date:
August 19, 2021
Filing Date:
January 19, 2021
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
F02F5/00; F02F1/00; F16J10/00
Domestic Patent References:
| WO2020022032A1 | 2020-01-30 |
Foreign References:
| JP2018159099A | 2018-10-11 | |||
| JP2003286895A | 2003-10-10 | |||
| JP2008019718A | 2008-01-31 | |||
| JPH04210380A | 1992-07-31 | |||
| JP2004018908A | 2004-01-22 |
Other References:
See also references of EP 4056835A4
Attorney, Agent or Firm:
MATOBA, Motonori (JP)
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