US 11,852,019 B1
Axial seal systems for gas turbine engines
Michael G. McCaffrey, Windsor, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Jun. 7, 2023, as Appl. No. 18/330,697.
Int. Cl. F01D 11/00 (2006.01); F01D 11/08 (2006.01)
CPC F01D 11/003 (2013.01) [F01D 11/08 (2013.01); F05D 2240/55 (2013.01); F05D 2250/711 (2013.01); F05D 2250/75 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A seal, comprising:
an annular ring comprising:
an outer diameter surface having an outer diameter;
an inner diameter surface;
a first height measured from the outer diameter surface to the inner diameter surface, wherein a first ratio of the outer diameter to the first height is greater than 10:1; and
a cross-sectional shape comprising:
a central beam extending from an inner end to an outer end, the central beam including a central axis that defines an angle with a neutral axis of the cross-sectional shape, the angle being between 5 degrees and 25 degrees;
a first flange extending axially from the inner end of the central beam in a first axial direction; and
a second flange extending axially from the outer end of the central beam in a second axial direction, the second axial direction being opposite the first axial direction.