Patent · US Active

Sliding element and method for coating a sliding element

US9103015B2 · kind B2 · utility

1Cited by
9References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 2011
Grant dateAug 11, 2015
Priority date
Expiry dateJun 19, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A sliding element, in particular a piston ring, preferably made of cast iron or steel, has a coating which has a plurality of layers of CrN (14) and a-C:H:Me coatings (16) alternately. In a method for coating the sliding element, in particular a piston ring, preferably made of cast iron or steel, a plurality of layers of CrN and a-C:H:Me coatings are applied alternately.

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