US 11,655,758 B1
CMC vane mate face flanges with through-ply seal slots
Jon Erik Sobanski, Glastonbury, CT (US); and Howard J. Liles, Newington, CT (US)
Assigned to RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US)
Filed by RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US)
Filed on Mar. 31, 2022, as Appl. No. 17/709,523.
Int. Cl. F02C 7/28 (2006.01); F02C 3/06 (2006.01); F01D 9/04 (2006.01)
CPC F02C 3/06 (2013.01) [F01D 9/041 (2013.01); F02C 7/28 (2013.01); F05D 2220/32 (2013.01); F05D 2240/35 (2013.01); F05D 2240/55 (2013.01); F05D 2300/614 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vane arc segment comprising:
a platform and an airfoil section extending in a radial direction from the platform,
the airfoil section having a pressure side and a suction side,
the platform defining fore and aft axial sides, a core gaspath side, a non-core gaspath side, and first and second flanges projecting from the non-core gaspath side, the first and second flanges defining, respectively, first and second circumferential mate faces,
the first and second flanges each being formed of upturned fiber plies from the platform such that the fiber plies in the first and second flanges are radially-oriented, and
the first and second circumferential mate faces having, respectively, first and second seal slots each extending in a ply through-thickness direction across two or more of the fiber plies.