US 11,732,600 B2
Gas turbine engine actuation device
David Alexander Hiett, Cincinnati, OH (US); Stefan Joseph Cafaro, Chapel Hill, NC (US); Robert Jon McQuiston, Cincinnati, OH (US); and David Marion Ostdiek, Liberty Township, OH (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Feb. 5, 2021, as Appl. No. 17/168,800.
Prior Publication US 2022/0251966 A1, Aug. 11, 2022
Int. Cl. F01D 17/24 (2006.01); F01D 17/10 (2006.01); F01D 17/12 (2006.01); F01D 11/22 (2006.01); F01D 17/26 (2006.01)
CPC F01D 17/105 (2013.01) [F01D 11/22 (2013.01); F01D 17/12 (2013.01); F01D 17/24 (2013.01); F01D 17/26 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2240/12 (2013.01); F05D 2260/406 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A gas turbine engine actuation system comprising:
a gas turbine engine comprising:
a compressor section;
a combustion section disposed in fluid communication with and downstream from the compressor section;
a turbine section disposed in fluid communication with and downstream from the compressor section; and
a rotating shaft extending axially along a centerline of the gas turbine engine;
an actuation device operable with the compressor section, the combustion section, the turbine section, or a combination thereof;
a hybrid hydraulic-electric actuator operationally coupled to the actuation device, wherein the hybrid hydraulic-electric actuator comprises an electric actuator configured to convert electrical current into a first mechanical power to mechanically drive the actuation device, wherein the hybrid hydraulic-electric actuator further comprises a hydraulic actuator configured to convert fluidic pressure into a second mechanical power to mechanically drive the actuation device; and
a power source configured to supply electrical current to the electric actuator;
wherein the hybrid hydraulic-electric actuator is configurably coupled to the actuation device such that the actuation device is driven at the same time by both the first mechanical power from the electric actuator and the second mechanical power from the hydraulic actuator.