Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stephan Koerner0
Alexander Puck0
Christoph Luven0
Reinhard Rose0
Alexander Mueller0
Date of Patent
November 16, 2021
0Patent Application Number
168759260
Date Filed
May 15, 2020
0Patent Primary Examiner
Patent abstract
A gas exchange valve for an internal combustion engine may include a valve stem and a wear resistance improving functional layer. The valve stem may extend in an axial direction and may transition into a valve plate in the axial direction. The functional layer may include nickel and tungsten. The functional layer may be arranged in a coating area on an outer circumference of the valve stem and may at least partially define a sliding surface.
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