PISTON RING WITH A MULTILAYER ASSEMBLY, AND A METHOD FOR THE PRODUCTION THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 27, 2010
app pub date -
Nov 26, 2007
filing date -
Jan 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to a piston ring with improved running-in and wear behaviour as well as to a method for the production thereof. According to a first embodiment, the piston ring comprises a ring body (2), an adhesive promoter layer (4) of a Ni-alloy applied to the bearing surface of the ring body (2) by thermal spraying, a wear-resistant coating (6) of a Mo-alloy with CrC, WC, MoC applied to the adhesive promoter layer (4) by thermal spraying; and a running-in layer (8) of an AlCu-alloy or Ni-graphite-alloy applied to the wear-resistant coating (6) by thermal spraying. According to a second embodiment, the piston ring comprises a ring body, an adhesion layer applied to the bearing surface of the ring body, and a running-in layer, comprising nickel graphite, that is applied to the adhesion layer.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully