Layer sintered valve seat ring, process for its production, combinations therewith and their use

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11959404
APP PUB NO 20230084759A1
SERIAL NO

17945973

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Abstract

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A layer-sintered valve seat ring is disclosed. The layer-sintered valve seat ring includes at least two materials including a function material for a tribological contact with an opposite runner and a support material for the function material. The support material includes: C: 0.5 to 1.8% by weight; Cr: 3 to 16% by weight; Mo: 1 to 5% by weight; W: 0.5 to 5.5% by weight; V: 0.4 to 4.0% by weight; Cu: 12 to 25% by weight; Fe: 41.3 to 82.6% by weight; Mn: up to 0.6% by weight; Si: up to 1.8% by weight; and a remainder of production-related contamination in the form of at least one of Ni, Co, Ca, P, and S that are present in contents of <0.3% by weight each.

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Patent Owner(s)

Patent OwnerAddress
MAHLE INTERNATIONAL GMBHPRAGSTRASSE 26-46 D-70376 STUTTGART

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gutmann, Andreas Zell im Wiesental, DE 5 1
Ortlieb, Marco Schoenberg, DE 1 0
Sutter, Patrick Schopfheim, DE 11 9
Wintrich, Klaus Schopfheim, DE 16 17

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