US 12,460,552 B1
Sealing system for a turbomachine
Grant Robert Portune, Cincinnati, OH (US); and Steven Douglas Johnson, Milford, OH (US)
Assigned to General Electric Company, Evendale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on May 3, 2024, as Appl. No. 18/654,631.
Int. Cl. F01D 11/00 (2006.01); F01D 11/16 (2006.01)
CPC F01D 11/001 (2013.01) [F01D 11/16 (2013.01); F05D 2260/38 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A turbomachine, comprising:
a nozzle segment including an inner shroud defining a bottom surface, and a nozzle flange defining a forward side surface and an aft side surface; and
a floating rotor seal coupled to the nozzle flange via a carrier flange, wherein the carrier flange comprises:
a forward wall and an aft wall, wherein the nozzle flange is positioned between the forward wall and the aft wall, and wherein a flowpath is defined between the forward wall, the nozzle flange, and the aft wall;
a seal pocket defined in one of the forward wall or the aft wall, wherein the seal pocket is in fluid communication with the flowpath; and
at least one linear seal segment partially disposed within the seal pocket, wherein the at least one linear seal segment forms a seal against the nozzle flange or the bottom surface in response to pressurization of the seal pocket via a working fluid in the flowpath.