Title:
ピストンリング
Document Type and Number:
Japanese Patent JP7299233
Kind Code:
B2
Abstract:
A piston ring is provided. The piston ring comprises a main section extending along a circumferential direction around a geometrical axis, a first tongue section and a second tongue section, wherein, in use, the first tongue section is configured to overlap the second tongue section to form a contacting interface. At the main section, said outer peripheral suface comprises a tapering first surface portion extending in the circumferential direction, wherein said tapering first surface portion has a taper start. Adjacent to said first tongue section, said taper start is located proximally relative to the location of said taper start at the rest of the main section.
Inventors:
Hans, Gunnar, Kubist
Application Number:
JP2020551827A
Publication Date:
June 27, 2023
Filing Date:
March 25, 2019
Export Citation:
Assignee:
FEDERAL-MOGUL GOTEBORG AB
International Classes:
F16J9/16; F02F5/00
Domestic Patent References:
| JP2005036752A | ||||
| JP2015161321A | ||||
| JP2010151013A | ||||
| JP4362370A | ||||
| JP61051455U |
Attorney, Agent or Firm:
Yukitaka Nakamura
Satoru Asakura
Yukihiro Hotta
Kazuya Yamashita
Satoru Asakura
Yukihiro Hotta
Kazuya Yamashita