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US 2009/0290976 A1Published application
Gearbox assembly
AssigneeUnited Technologies Corporation
InventorsGabriel L. Suciu, Brian D. Merry, Christopher M. Dye
Life of this patent
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Abstract
An assembly for a gas turbine engine includes an intermediate case and a gearbox. The intermediate case defines an annular transition duct. The gearbox comprises a plurality of lobes and is integrally formed with the annular transition duct.
Claims26
An assembly for a gas turbine engine, the assembly comprising:
- an intermediate case defining an annular transition duct;
- and
- a gearbox integrally formed with the annular transition duct, wherein the gearbox comprises a plurality of lobes.
An assembly for a gas turbine engine, the assembly comprising:
- an intermediate case defining a transition duct;
- a gearbox having a shared wall with the transition duct, wherein the gearbox comprises a first lobe and a second lobe;
- a first tower shaft powered by the gas turbine engine for providing rotational force input to the first lobe;
- and
- a second tower shaft powered by the gas turbine engine for providing rotational force input to the second lobe.
2 more elements
A method for housing gearing in a gas turbine engine, comprising steps of:
- providing an intermediate case that includes a gearbox and a transition duct with a shared wall between the gearbox and the transition duct;
- and
- mounting a plurality of accessories at each of a first lobe and a second lobe of the gearbox.
An intermediate case assembly for a gas turbine engine, the assembly comprising:
- a gearbox with a first lobe and a second lobe;
- a connection passage linking the first lobe fluidically to the second lobe;
- and
- a transition duct sharing a wall with the gearbox.
1 more element
Dependencies are inferred from the claim text.