US 12,104,531 B2
Cooling system for a turbine engine
Kudum Shinde, Bengaluru (IN); Sesha Subramanian, Bengaluru (IN); Rachamadugu Sivaprasad, Bengaluru (IN); and Ravindra Shankar Ganiger, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Evendale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Nov. 29, 2022, as Appl. No. 18/059,519.
Claims priority of application No. 202211042023 (IN), filed on Jul. 22, 2022.
Prior Publication US 2024/0026821 A1, Jan. 25, 2024
Int. Cl. F02C 7/12 (2006.01); F02C 3/04 (2006.01)
CPC F02C 7/12 (2013.01) [F02C 3/04 (2013.01); F05D 2260/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cooling system for a turbine engine including a compressor, a turbine, and a shaft that drivingly couples the compressor and the turbine, the cooling system comprising:
one or more cavities of the compressor; and
a shaft flowpath defined in the shaft, the shaft including:
one or more shaft apertures that provide fluid communication between the shaft flowpath and the one or more cavities; and
one or more valves associated with the one or more shaft apertures, wherein air passes through the one or more shaft apertures and the shaft flowpath to cool the one or more cavities during a shutdown of the turbine engine.