US 11,939,883 B2
Airfoil with arced pedestal row
Allan N. Arisi, Manchester, CT (US); Ricardo Trindade, Mansfield, CT (US); Dominic J. Mongillo, West Hartford, CT (US); and Tracy A. Propheter-Hinckley, Rocky Hill, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by United Technologies Corporation, Farmington, CT (US)
Filed on Aug. 6, 2019, as Appl. No. 16/532,603.
Claims priority of provisional application 62/758,074, filed on Nov. 9, 2018.
Prior Publication US 2020/0149415 A1, May 14, 2020
Int. Cl. F01D 5/18 (2006.01)
CPC F01D 5/188 (2013.01) [F05D 2260/22141 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An airfoil comprising:
an airfoil section having an airfoil wall defining a leading end, an arced trailing end, and first and second sides joining the leading end and the arced trailing end, the first and second sides spanning in a longitudinal direction between first and second ends, the airfoil wall circumscribing an internal core cavity, the internal core cavity including an exit region that spans between the first and second ends and that opens through the arced trailing end, the exit region including pedestals arranged in a plurality of longitudinal pedestal rows that extend from the first end to the second end, the pedestals within each of the longitudinal pedestal rows are equidistantly spaced apart, wherein at least one of the longitudinal pedestal rows is straight such that the pedestals are aligned along a straight line and at least one of the longitudinal pedestal rows is arced such that the pedestals are aligned along a continuous arc.