Piston ring having a thermally sprayed coating and method for producing same

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United States of America Patent

PATENT NO 9194492
APP PUB NO 20130181409A1
SERIAL NO

13811582

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Abstract

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A method for producing a piston ring for an internal combustion engine includes providing, a substrate and applying a coating by means of thermal spraying of a powder including solid lubricants on the substrate, having the elemental proportions of 15-30% by weight of iron, Fe; 15-30% by weight tungsten, W; 25-35% by weight of chromium, Cr; 10-35% by weight of nickel, Ni; 1-5% by weight of molybdenum, Mo; 0.2-3% by weight of aluminum, Al; 3-20% by weight of copper, Cu; 1-10% by weight of carbon, C; 0.1-2% by weight of sulfur, S; and 0.1-2% by weight of silicon, Si. The resultant piston ring and coating are also provided.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL BURSCHEID GMBH51399 BURSCHEID

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kennedy, Marcus Dusseldorf, DE 29 164
Matz, Marc-Manuel Friedberg, DE 13 22
Zinnabold, Michael Burscheid, DE 18 113

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