Cam follower of a valve drive of an internal combustion engine
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United States of America Patent
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-
Mar 6, 2007
Grant Date -
Oct 6, 2005
app pub date -
Apr 25, 2005
filing date -
Oct 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cam follower of a valve drive of an internal combustion engine, having a run-on surface for following at least one cam. The run-on surface has a microstructure comprising depressions for accumulating lubricant, wherein the depressions form an at least largely symmetrical microstructure similar to a grid. Two depressions of each enclosed section of the run-on surface running toward each other in the manner of an arrow to form a corner such that they point at least in the predominant direction of a movement of a contact point of a cam on the run-on surface.
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