Piston ring for internal combustion engines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9598763
APP PUB NO 20100044968A1
SERIAL NO

12444187

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Abstract

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The invention relates to a piston ring which is produced from a carrier material, especially steel or a cast material. The piston ring has a wear-resistant coating from a periodic multilayer system, every periodicity consisting of at least two individual metal nitride layers. Adjacent individual layers within the periodicity have different metallic elements. The thickness of an individual layer is ≧15 nm.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL BURSCHEID GMBH51399 BURSCHEID

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bauer, Christiane Burscheid, DE 10 84
Fischer, Manfred Leichlingen, DE 69 1258
Hoppe, Steffen Overath, DE 26 156
Lammers, Ralf Wermelskirchen, DE 13 128

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