Tappet for an internal combustion engine
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United States of America Patent
Stats
-
Sep 16, 2003
Grant Date -
Mar 6, 2003
app pub date -
Aug 22, 2002
filing date -
Aug 29, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tappet is used in a valve-operating mechanism of an internal combustion engine. The tappet has a top wall and the upper surface of the top wall is engaged with a cam. The lower surface is engaged on a poppet valve which moves up and down. A downward projection which has a recess for storing lubricating oil is formed in the middle of the lower surface of the top wall of the tappet, thereby lubricating interfaces with the cam or valve to improve frictional or wear resistance.
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