Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 27, 2007
Patent Application Number
11472755
Date Filed
June 22, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A piston for an internal combustion engine defining an axis of motion and including an annular cooling gallery defined within the piston. The cooling gallery extends annularly about the axis of motion of the piston. A plurality of annularly spaced fan blades is positioned within the cooling gallery. Each fan blade is oriented diagonally within the cooling gallery to direct a cooling fluid in an annular direction about the axis of motion of the piston.
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