Gas turbine
AssigneeROLLS-ROYCE plc
InventorAlan R Maguire
Life of this patent
Estimating the term…
Abstract
A gas turbine engine, in particular an aircraft engine, includes: a turbine connected via an input shaft device to a gearbox device having a sun gear, a planet carrier having a plurality of planet gears attached thereto, and a ring gear, the sun gear is connected to the input shaft device, the planet carrier or the ring gear is connected to a propulsive fan via an output shaft device of the gearbox device, with a rear carrier bearing device radially between the planet carrier and a static structure on the input side of the gearbox device, an inter-shaft bearing system being positioned radially between the input shaft device and the planet carrier of the gearbox device.
Claims37
A gas turbine engine, comprising:
- a turbine connected via an input shaft device to a gearbox device having a sun gear;
- a planet carrier having a plurality of planet gears attached thereto;
- and
- a ring gear,
- wherein the sun gear is connected to the input shaft device,
- the planet carrier or the ring gear is connected to a propulsive fan via an output shaft device of the gearbox device, with a rear carrier bearing device radially between the planet carrier and a support structure on an input side of the gearbox device, and
- an inter-shaft bearing system being positioned radially between the input shaft device and the planet carrier of the gearbox device.
A gas turbine engine, comprising:
- a turbine connected via an input shaft device to a gearbox device having a sun gear;
- a planet carrier having a plurality of planet gears attached thereto;
- and
- a ring gear,
- wherein the sun gear is connected to the input shaft device,
- the planet carrier or the ring gear is connected to a propulsive fan via an output shaft device of the gearbox device, with a rear carrier bearing device radially between the planet carrier and a support structure on an input side of the gearbox device,
- an inter-shaft bearing system being positioned radially between the input shaft device and the planet carrier of the gearbox device, and
- the planet carrier comprises a seat element extending axially to a rear of the gearbox device providing a radial seat for the inter-shaft bearing system.
Dependencies are inferred from the claim text.