Patent · US Active

Sliding element, in particular piston ring

US10072756B2 · kind B2 · utility

0Cited by

5References

18Claims

0Family size

Assignee

Federal-Mogul Burscheid GmbH · DE

Inventors

Marcus Kennedy · Düsseldorf, DE
Michael Zinnabold · Burscheid, DE
Peter Esser · Kürten, DE

Key dates

Filing date	Dec 8, 2014
Grant date	Sep 11, 2018
Priority date	—
Expiry date	Dec 8, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C30/00
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a sliding element, in particular a piston ring, having a carbon-based coating and at least in sections, a surface roughness (RΔq) according to DIN EN ISO 4287 of 0.05, preferably 0.08, to 0.11, preferably to 0.1 μm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.