Patent ID: 11867126
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 1:
2. The gas turbine engine of claim 1, wherein the epicyclic gearing is a second reduction stage, the reduction gearbox further comprising a first reduction stage including a first gear supported concentrically by a first stage shaft, the first stage shaft having an output gear forming a sun gear of the epicyclic gearing reduction stage, the core output shaft having a core output gear radially offset from a first rotation axis of the first stage shaft and drivingly meshed with the first gear, the auxiliary power shaft having an auxiliary power gear radially offset from the first rotation axis and drivingly meshed with the first gear, the auxiliary power gear being circumferentially offset from the power output gear relative the first rotation axis, wherein the first stage shaft, core output shaft and auxiliary power shaft are parallel to one another.