Patent ID: 8739755
Filing Date: 2014-06-03
Classification: F02F

Abstract:
1. A piston for an internal combustion engine, comprising: a lower part; an upper part, wherein the lower part and the upper part cooperate to define at least a portion of a generally closed circumferential cooling gallery, the cooling gallery being defined in part by a gallery bottom; and a circumferential bar positioned on the gallery bottom, the circumferential bar defining at least one coolant inlet and at least one coolant outlet extending through the gallery bottom; wherein at least one of the at least one coolant inlet and the at least one coolant outlet includes a first aperture and a passage extending therefreom, the passage leading to a plurality of additional apertures on an interior of the cooling gallery, wherein the plurality of additional apertures are spaced away from the first aperture such that the passage is a generally V-shaped passage.