Piston assembly with multi-piece skirt
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United States of America Patent
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Aug 30, 2016
Grant Date -
Nov 27, 2014
app pub date -
Nov 14, 2012
filing date -
Nov 14, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A piston assembly and method of making the same are disclosed. An exemplary piston assembly may include a multi-piece skirt secured to a piston crown having a ring belt portion defining a cooling gallery. The crown may include one or more a struts extending away from the ring belt portion to define a wrist pin bore(s). The piston skirt assembly may include two separate portions that each have at least one skirt support securing the respective skirt portion to the strut. A cover plate may be provided that is secured between a radially inner surface of the ring belt portion of the crown and a radially outer surface of the strut, such that the cover plate defines in part the cooling gallery.
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