Title:
CYLINDER LINER AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2020/110366
Kind Code:
A1
Abstract:
A cylinder liner according to the present invention is characterized by being made of a flaky graphite cast iron, attached to a cylinder block, having at least a nitrided layer on the inner peripheral surface of the cylinder liner , and having a cross hatch section formed therein, wherein the roughness curve of the inner peripheral surface has a flat honing shape, the ten point average roughness Rz of the inner peripheral surface according to JIS B0601:1982 is no greater than 4.0 μm, and the area fraction of bits formed on the inner peripheral surface has an average value of no greater than 8%.
Inventors:
KUROMASA YUKI (JP)
HATAKEYAMA KOICHI (JP)
OZAWA TAKASHI (JP)
HATAKEYAMA KOICHI (JP)
OZAWA TAKASHI (JP)
Application Number:
PCT/JP2019/028782
Publication Date:
June 04, 2020
Filing Date:
July 23, 2019
Export Citation:
Assignee:
TPR CO LTD (JP)
TPR IND CO LTD (JP)
TPR IND CO LTD (JP)
International Classes:
F02F1/08; F02F1/00
Domestic Patent References:
| WO2014065156A1 | 2014-05-01 |
Foreign References:
| JP2000283291A | 2000-10-13 | |||
| JPH03134252A | 1991-06-07 | |||
| JPS6044112B2 | 1985-10-01 | |||
| JPH04258572A | 1992-09-14 | |||
| JP2016205159A | 2016-12-08 | |||
| JP2008019718A | 2008-01-31 | |||
| JPS61171964A | 1986-08-02 | |||
| JPH0667836U | 1994-09-22 | |||
| JP2002364455A | 2002-12-18 | |||
| JP2018222727A | 2018-11-28 | |||
| JPS6044112B2 | 1985-10-01 | |||
| JP2000283291A | 2000-10-13 |
Other References:
See also references of EP 3889414A4
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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