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

Claim 2:
3. The gas turbine engine of claim 1, wherein the epicyclic gearing has a sun gear having a first rotation axis, the sun gear configured to receive power from at least one of the core output shaft and the auxiliary power shaft, a ring gear concentric to the sun gear relative the first rotation axis, a plurality of planet gears individually drivingly meshed between the sun gear and the ring gear, the planet gears circumferentially interspaced from one another around the first rotation axis, a planet carrier individually rotatably operatively connected to each one of the planet gears and holding rotation axes of the planet gears fixed relative to one another, wherein a first one of the planet carrier and the ring gear is secured to a housing of the reduction gearbox and a second one of the planet carrier and the ring gear is made integral to the power output shaft.