Piston having oil supply channel for hub bore holes
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United States of America Patent
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Apr 15, 2014
Grant Date -
Dec 9, 2010
app pub date -
Jun 13, 2008
filing date -
Sep 24, 2007
priority date (Note) -
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Abstract
A cylindrical piston for internal combustion engines, comprising a piston crown and a piston base, in the piston base a hollow space being provided, and in a piston base wall forming the hollow space pinholes being provided, characterized in that the outer circumferential surface in at least the piston base at least one oil guide is provided, the direction thereof having an axial component relative to the piston axis and the oil guide extending from the piston crown in the direction of a pinhole.
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