COOLING SYSTEM FOR PISTON OF INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Jun 6, 2013
app pub date -
Jun 6, 2011
filing date -
Jun 7, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cooling system for a piston of an internal combustion engine includes a cooling channel (34) designed as an oil passage embedded in the piston and arranged adjacent to a top ring groove, and an oil supply portion (8) that supplies oil to the cooling channel. An amount of oil supplied from the oil supply portion to the cooling channel is made larger when an amount of heat generated in a combustion chamber is large than when the amount of heat generated in the combustion chamber is small.
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