Multipart composite valve for an internal combustion engine
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United States of America Patent
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Jun 30, 2009
Grant Date -
Nov 16, 2006
app pub date -
Aug 16, 2004
filing date -
Aug 29, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multipart composite valve for an internal combustion engine, in which a valve shaft (2) and a valve plate (4) are embodied separately while being joined together in an overlapping area (6). The invention is characterized in that at least some parts of the valve shaft (2) are provided with an intermediate layer (8) in the overlapping area (6). Said intermediate layer (8) forms an integral joint with both the valve shaft (2) and the valve plate (4) in the form of a chemical bond, the valve plate (4) being cast onto the valve shaft (2).
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