Piston and connecting rod assembly having improved cooling characteristics
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United States of America Patent
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Mar 20, 2012
Grant Date -
Aug 25, 2011
app pub date -
Apr 28, 2011
filing date -
Oct 4, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A piston and connecting rod assembly wherein the piston includes an inner cooling gallery defined in the body thereof beneath the crown of the piston, an outer cooling gallery defined between the skirt of the piston and the body and beneath the crown. A pin bore is formed in the body. A connecting rod is adapted to interconnect the piston and crankshaft where the connecting rod has at least one end with a bore extending therethrough and adapted to be aligned with the pin bore of the piston. At least one end of the connecting rod is in fluid communication with the inner cooling gallery of the piston and includes a reservoir formed on the end of the connecting rod which is adapted to collect coolant therein.
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