US 12,110,797 B1
Blade outer air seal with seal plate and flexible seal
Joseph Micucci, Scarborough, ME (US); Mikayla M. Rogers, Portland, ME (US); Daniel S. Rogers, Lyman, ME (US); and Danielle Mahoney, Granby, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX CORPORATION, Farmington, CT (US)
Filed on Jan. 31, 2024, as Appl. No. 18/428,450.
Int. Cl. F01D 11/08 (2006.01)
CPC F01D 11/08 (2013.01) [F05D 2240/11 (2013.01); F05D 2240/55 (2013.01); F05D 2250/75 (2013.01); F05D 2300/6033 (2013.01); F05D 2300/611 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A gas turbine engine comprising:
a row of blade outer air seal arc segments arranged around an engine axis, each of the blade outer air seal arc segments including a ceramic matrix composite (CMC) body defining a core gaspath side, a non-core gaspath side opposite the core gaspath side, a forward end, an aft end, and circumferential sides, the CMC body having forward and aft flanges projecting from the non-core gaspath side;
an annular seal plate located forward of the forward flange, the annular seal plate including a radially-extending wall, an axially-extending wall projecting forwardly from the radially-extending wall, and a nose projecting aftly from the radially-extending wall, the nose sealing against the forward flange; and
a flexible seal located in a recess defined by the radially-extending wall and the axially-extending wall, the flexible seal sealing against a forward face of the radially-extending wall and the flexible seal being radially spaced apart from a radially outer face of the axially-extending wall.