Patent · US Active

Wear-protection layer for piston rings

US9869390B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

Federal-Mogul Burscheid GmbH · DE

Inventors

Marcus Kennedy · Düsseldorf, DE
Michael Zinnabold · Burscheid, DE

Key dates

Filing date	Sep 9, 2013
Grant date	Jan 16, 2018
Priority date	—
Expiry date	Oct 9, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J9/28
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a novel wear-protection layer for piston rings of internal combustion engines and a method for applying a wear-protection layer of this type during production of a piston ring. The protective layer is characterized inter alia by reduced wear and high resistance to scuffing.

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