US 12,135,076 B1
Fluid device(s) for supporting rotating structure(s) of a turbine engine
Paul R. Hanrahan, Sedona, AZ (US); and Robert G. Murphy, II, New Haven, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Sep. 29, 2023, as Appl. No. 18/375,065.
Int. Cl. F16H 57/04 (2010.01); F16H 3/44 (2006.01)
CPC F16H 57/042 (2013.01) [F16H 3/44 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An engine assembly, comprising:
a geartrain including a sun gear, a ring gear, a plurality of intermediate gears and a carrier, the sun gear rotatable about an axis, the ring gear rotatable about the axis and circumscribing the sun gear, the plurality of intermediate gears arranged circumferentially about the axis in an array, each of the plurality of intermediate gears radially between and meshed with the sun gear and the ring gear, each of the plurality of intermediate gears rotatably mounted to the carrier, and the carrier rotatable about the axis;
a rotating structure forming the carrier, the rotating structure including a shaft and a rotating structure passage; and
a support structure circumscribing the shaft with a plenum formed by and radially between the support structure and the shaft, the support structure comprising a support structure passage, and the plenum fluidly coupling the support structure passage to the rotating structure passage.