Patent ID: 8944141
Filing Date: 2015-02-03
Classification: B22C,B22D,F01D,F05D,Y10T

Abstract:
1. A core for forming a cooling microcircuit comprising: at least one row of metering/tripping features configured to form at least one row of protrusions in said cooling microcircuit; a plurality of teardrop features configured to form a plurality of fluid passageways in said cooling microcircuit; a terminal edge; said plurality of teardrop features including a central teardrop feature having a trailing edge which is spaced from said terminal edge, said central teardrop feature being smaller in size than other teardrop features; and said plurality of teardrop features including a first teardrop feature located on a first side of and spaced from said central teardrop feature, said first teardrop feature having a longitudinal axis and being asymmetrical about said longitudinal axis, wherein said plurality of teardrop features include a plurality of additional teardrop features and each of said additional teardrop features has a trailing edge which is closer to said terminal edge than said terminal edge of said central teardrop feature.