Oil-cooled piston for an internal combustion engine
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United States of America Patent
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Oct 24, 2017
Issued Date -
N/A
app pub date -
Jul 10, 2015
filing date -
Jul 10, 2015
priority date (Note) -
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Abstract
A piston for an internal combustion engine. The piston comprises a piston head and an articulated piston skirt. The piston head includes a crown and pin bosses depending from the crown. The piston skirt includes opposed thrust walls, opposed sidewalls, and a transverse bridge extending diametrically across the piston skirt, between the opposed sidewalls. A circumferential cooling gallery is encompassed within an outer circumferential ring belt section of the crown and is in fluid communication with a central cooling passage that extends between the crown and the piston skirt. The central cooling passage extends diametrically across the piston skirt, beneath at least a portion of the ring belt section and beneath at least a portion of an inner combustion bowl section of the crown.
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