Title:
INTERNAL COMBUSTION ENGINE SLIDING STRUCTURE AND METHOD FOR CREATING THE SAME
Document Type and Number:
Japanese Patent JP2021060048
Kind Code:
A
Abstract:
To provide an internal combustion engine sliding structure realizing further improvement in fuel efficiency and reduction in oil consumption.SOLUTION: An internal combustion engine sliding structure comprises a cylinder bore 10, a piston 30 and a piston ring 40. The piston ring 40 has a top ring 50 and an oil ring 70. The top ring 50 or the oil ring 70 is allowed to come into contact with the cylinder bore 10 through an actual contact width of 0.05 mm or more in an axial direction of an actual contact face. Surface pressure between the actual contact face and the cylinder bore 10 is 2.0 MPa or less.SELECTED DRAWING: Figure 1
Inventors:
URABE MITSURU
MURATA TAIICHI
MURATA TAIICHI
Application Number:
JP2019182927A
Publication Date:
April 15, 2021
Filing Date:
October 03, 2019
Export Citation:
Assignee:
NIPPON PISTON RING CO LTD
International Classes:
F16J9/20; F02F5/00
Domestic Patent References:
| JP2008057478A | 2008-03-13 | |||
| JP2018009705A | 2018-01-18 | |||
| JP2004138128A | 2004-05-13 |
Foreign References:
| WO2017209135A1 | 2017-12-07 |
Attorney, Agent or Firm:
Masashi Sahara
Kazuki Yokota
Kazuki Yokota