Patent ID: 11920491
Assignee: GE AVIO S.R.L.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. A gear assembly for use with a turbomachine engine comprising:
a sun gear;
a plurality of planet gear layshafts that each support a first stage planet gear and a second stage planet gear;
a ring gear;
a lubrication system comprising a plurality of lubrication fluid supply lines; and
a first lubrication distribution system at a sun gear-mesh region;
wherein the sun gear rotates about a longitudinal centerline of the gear assembly,
wherein the plurality of planet gear layshafts each comprises an interior passageway that extends between an aft side of the layshaft and a fore side of the layshaft, and
wherein respective ones of the plurality of lubrication fluid supply lines extend through respective ones of the interior passageways of the planet gear layshafts, from an aft side of the gear assembly to a fore side of the gear assembly, to deliver a lubrication fluid to the first lubrication distribution system, the second lubrication system, and the third lubrication system.