US 11,781,448 B1
Shroud pin for gas turbine engine shroud
Mark Anthony Holleran, Cincinnati, OH (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Apr. 5, 2022, as Appl. No. 17/713,515.
Int. Cl. F01D 25/28 (2006.01); F01D 11/08 (2006.01); F01D 25/00 (2006.01)
CPC F01D 25/28 (2013.01) [F01D 11/08 (2013.01); F01D 25/005 (2013.01); F05D 2240/11 (2013.01); F05D 2260/36 (2013.01); F05D 2300/6033 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A shroud assembly for a gas turbine engine, the shroud assembly comprising:
a shroud segment extending substantially along a circumferential direction and comprising a shroud wall, the shroud wall defining a shroud attachment opening;
a hanger assembly comprising a hanger wall defining a hanger attachment opening; and an attachment pin assembly, comprising
a first member comprising a first body defining a hollow core and having a first portion provided within the hanger attachment opening and defining an interference fit between the first portion and the hanger wall, the first body further comprising a shoulder abutting the hanger wall, the first body further extending through the shroud attachment opening;
a second member comprising a second body extending between a first end and a second end and including a rim at the first end, the second body extending through the hollow core of the first member; and
a secondary attachment member provided with the second body and adapted to retain the second body within the first body.