Title:
２ピース構造ピストンリング
Document Type and Number:
Japanese Patent JP6579342
Kind Code:
B2
Abstract:
A piston ring has an annular base body 2, which is preferably open at a joint, with a U-shaped cross section, the open side of which faces inwards in the radial direction. A ring spring 4 is provided which runs in a meandering manner in the axial direction, and which pretensions the base body 2 outwards in the radial direction. In one section of the ring spring 4, which is located inside the base body, meandering loops 5 bear alternately against the shanks 3 of the U-shaped cross section. In one section of the ring spring 4, which protrudes out of the base body 2, meandering loops 6 bear alternately against the radially inwardly facing edges of the shanks 3 of the U-shaped cross section.
Inventors:
Jerun Preper
Fabian Ruche
Fabian Ruche
Application Number:
JP2017522382A
Publication Date:
September 25, 2019
Filing Date:
September 15, 2015
Export Citation:
Assignee:
FEDERAL-MOGUL BURSCHEID GMBH
International Classes:
F02F5/00; F16J9/06
Domestic Patent References:
| JP10019127A | ||||
| JP51110154U |
Attorney, Agent or Firm:
Haruo Awano