Piston and cooled piston ring therefor and method of construction thereof
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United States of America Patent
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Feb 17, 2015
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N/A
app pub date -
Feb 10, 2012
filing date -
Feb 10, 2012
priority date (Note) -
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Abstract
A piston, piston ring and method of construction thereof is provided. The piston ring is L-shaped, having a first portion configured to extend upwardly from a ring groove of a piston along a top land of the piston and a second portion configured for receipt in the ring groove. The first and second portions of the ring have an enclosed hollow cooling chamber with a cooling medium disposed therein such that the cooling medium is free to flow internally to the piston ring groove and upwardly from the piston ring groove along the top land.
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