PISTON WITH VARIABLE DEPTH GROOVE ROOT
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United States of America Patent
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Issued Date -
Oct 5, 2017
app pub date -
Mar 30, 2016
filing date -
Mar 30, 2016
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Abstract
A piston for an internal combustion engine includes a cylindrical piston body defining a longitudinal axis and having a top end and an outer cylindrical surface. A first piston ring groove is formed in the outer cylindrical surface and includes a groove root, an upper surface and a lower surface. The groove root has a variable depth about a circumference of the cylindrical piston body.
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