PISTON FOR A RECIPROCATING-PISTON INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Feb 15, 2017
filing date -
Feb 18, 2016
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Abstract
The present disclosure relates to a piston for a reciprocating-piston internal combustion engine, comprising a piston head and a piston barrel, wherein the piston head has an encircling ring belt with at least one ring groove for a piston ring and has, in the region of the ring belt, an encircling cooling duct. The cooling duct extends from the ring belt as far as a wall of the piston barrel in order to increase an oil film temperature of the oil film in the cylinder liner between the piston barrel and cylinder and to thereby reduce the piston barrel friction.
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