Piston with cooling gallery
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United States of America Patent
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Mar 10, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jul 1, 2011
filing date -
Jul 1, 2011
priority date (Note) -
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Abstract
An exemplary piston assembly and method of making the same are disclosed. An exemplary piston assembly may include a piston crown and skirt. The crown may include radially inner and outer crown mating surfaces, and the crown may define at least in part a cooling gallery extending about a periphery of the crown. The skirt may further include an inner collar wall disposed radially inwardly of a radially inner interface region and extending upwards to a free end. The collar wall may generally enclose the radially inner interface region from the central region.
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