US 12,104,497 B2
Assembly for a turbine comprising sectors with laminated sealing tongues
Gildas Garnier, Moissy-Cramayel (FR); and Jean-François Henne, Moissy-Cramayel (FR)
Assigned to SAFRAN CERAMICS, Le Haillan (FR)
Appl. No. 18/250,898
Filed by SAFRAN CERAMICS, Le Haillan (FR)
PCT Filed Oct. 27, 2021, PCT No. PCT/FR2021/051890
§ 371(c)(1), (2) Date Apr. 27, 2023,
PCT Pub. No. WO2022/090667, PCT Pub. Date May 5, 2022.
Claims priority of application No. 2011153 (FR), filed on Oct. 30, 2020.
Prior Publication US 2023/0392515 A1, Dec. 7, 2023
Int. Cl. F01D 25/00 (2006.01); F01D 9/04 (2006.01); F01D 11/00 (2006.01); F01D 25/24 (2006.01)
CPC F01D 25/005 (2013.01) [F01D 9/04 (2013.01); F01D 11/005 (2013.01); F01D 25/246 (2013.01); F05D 2300/20 (2013.01); F05D 2300/6033 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An assembly for a turbine comprising a plurality of sectors which are adjacent to one another, each sector comprising at least one connecting edge of composite material with a ceramic matrix, each connecting edge comprising at least one groove or a housing and a sealing tongue present in each groove or housing, wherein each sealing tongue has a laminated structure comprising a plurality of strips, the lower strip and the upper strip of the laminated structure each being formed by a film of monolithic ceramic material, wherein each strip of the plurality of strips made of a film of monolithic ceramic material has a thickness of less than or equal to 50 μm.