US 12,338,749 B2
Cooling circuit for a stator vane braze joint
Matthew Troy Hafner, Honea Path, SC (US); John M. Matthews, Greer, SC (US); and Zachary John Snider, Simpsonville, SC (US)
Assigned to GE Vernova Infrastructure Technology LLC, Greenville, SC (US)
Filed by GE Infrastructure Technology LLC, Greenville, SC (US)
Filed on Feb. 29, 2024, as Appl. No. 18/591,666.
Application 18/591,666 is a division of application No. 17/868,911, filed on Jul. 20, 2022, granted, now 11,952,918.
Prior Publication US 2024/0200462 A1, Jun. 20, 2024
Int. Cl. F01D 9/04 (2006.01); F01D 5/18 (2006.01)
CPC F01D 9/044 (2013.01) [F01D 5/187 (2013.01); F01D 5/188 (2013.01); F01D 5/189 (2013.01); F01D 9/041 (2013.01); F05D 2230/237 (2013.01); F05D 2240/81 (2013.01); F05D 2260/201 (2013.01); F05D 2260/2214 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A stator vane comprising:
a platform defining an opening;
an airfoil having a leading edge, a trailing edge, a suction side wall, and a pressure side wall, the airfoil extending radially between a base and a tip, wherein at least one of the base or the tip includes a protrusion, the protrusion extending into the opening of the platform such that the platform surrounds the protrusion of the airfoil;
a braze joint disposed between and fixedly coupling the platform and the protrusion of the airfoil; and
a cooling circuit defined entirely in the protrusion of the airfoil to cool the braze joint, wherein the cooling circuit includes one or more inlet channels, one or more outlet channels, and a plenum fluidly coupled to the one or more inlet channels and the one or more outlet channels.