Title:
オイル制御効果を有するコンプレッションリング
Document Type and Number:
Japanese Patent JP6858791
Kind Code:
B2
Abstract:
A compression piston ring is provided, in particular a piston ring suitable as a second piston ring in a three-ring piston ring set, which piston ring has convex sections and concave sections alternating in the circumferential direction in a middle running face region in relation to the axial height, wherein the concave sections form profile recesses in the convexly crowned running face.
Inventors:
Richard Mittler
Fabian Ruche
Fabian Ruche
Application Number:
JP2018551267A
Publication Date:
April 14, 2021
Filing Date:
May 22, 2017
Export Citation:
Assignee:
FEDERAL-MOGUL BURSCHEID GMBH
International Classes:
F16J9/20; F02F5/00
Domestic Patent References:
| JP2015535574A | ||||
| JP2016502041A |
Foreign References:
| US20150267813 | ||||
| US1894672 |
Attorney, Agent or Firm:
Haruo Awano