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US 8,366,385 B2Granted
Gas turbine engine front center body architecture
AssigneeUnited Technologies Corporation
InventorsTodd A. Davis, Brian P. Cigal
Life of this patent
Estimating the term…
Abstract
A method for servicing a gas turbine engine includes providing access from a forward section of the gas turbine engine to a gearbox contained within a bearing compartment. A gas turbine is also disclosed in which a bearing package is mounted to a front center body support and a low spool. A front wall is removable from the front center body support to provide access to the gearbox.
Claims18
A gas turbine engine comprising:
- a gearbox defined along an engine axis;
- a low spool arranged aft of the gearbox and operable to drive said gearbox:
- a front center body support defined around said engine axis;
- a front wall mounted to said front center body support, said front wall removable from said front center body support to access said gearbox;
- a bearing package mounted to said front center body support and said low spool.
2 more elements
A method for servicing a gas turbine engine comprising:
- providing access from a forward side of a front center body assembly to a gearbox driven by a low spool;
- servicing a component located within a bearing compartment aft of the front center body assembly;
- disassembling a fan mounted to the gearbox, wherein the disassembling step includes removing a fan hub from an output shaft coupled to the gearbox;
- removing first a multiple of fasteners located within the forward side of the front center body assembly to disassemble a front wall from a front center body support of the front center body assembly, the fastener removing step performed subsequent to the fan hub removing step, wherein a flex support is secured to the gearbox and the front center body support, wherein the output shaft, the flex support and the gearbox comprise a gearbox module;
- and
- removing a second multiple of fasteners interconnecting the flex support and the front center body support, and displacing the gearbox module away from the front center body support to remove the gearbox module as an assembly.
3 more elements
Dependencies are inferred from the claim text.