US 12,221,892 B2
Compliant shroud designs with variable stiffness
Ravindra Shankar Ganiger, Bengaluru (IN); Praveen Sharma, Bengaluru (IN); Jeffrey D. Carnes, Framingham, MA (US); and Herbert Chidsey Roberts, Middletown, OH (US)
Assigned to General Electric Company, Evendale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Sep. 8, 2023, as Appl. No. 18/463,970.
Application 18/463,970 is a continuation of application No. 17/343,454, filed on Jun. 9, 2021, granted, now 11,773,741.
Prior Publication US 2023/0417149 A1, Dec. 28, 2023
Int. Cl. F01D 11/12 (2006.01); F01D 11/14 (2006.01)
CPC F01D 11/127 (2013.01) [F01D 11/14 (2013.01); F05D 2240/11 (2013.01); F05D 2250/183 (2013.01); F05D 2260/38 (2013.01); F05D 2270/114 (2013.01); F05D 2270/42 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A shroud assembly for a gas turbine engine, the shroud assembly comprising:
an outer wall;
a first shroud arm having a first end and a second end, the first end to couple to the outer wall and the second end to couple to a first shroud pad, a first angular bend between the first end and the second end of the first shroud arm, further including a first straight portion between the first end and the first angular bend, and a second straight portion between the first angular bend and the second end, the first angular bend formed at a first intersection of the first straight portion and the second straight portion; and
a second shroud arm having a third end and a fourth end, the third end to couple to the outer wall and the fourth end to couple to the first shroud pad, a second angular bend between the third end and the fourth end of the second shroud arm, further including a third straight portion between the third end and the second angular bend, and a fourth straight portion between the second angular bend and the fourth end, the second angular bend formed at a second intersection of the third straight portion and the fourth straight portion, wherein the shroud assembly includes at least one air-damping hole, the at least one air-damping hole located in at least one of the outer wall or the second shroud arm.