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US 2021/0131347 A1Published application
Dual clutch transmission for accessory gearbox drive
AssigneeUnited Technologies Corporation
InventorsNicholas D. Leque, Joseph H. Polly
Life of this patent
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Abstract
A power extraction system for a gas turbine engine may comprise a low spool transmission and a low spool accessory gearbox. The low spool accessory gearbox may comprise a generator and a dual clutch transmission. The dual clutch transmission may be coupled between the low spool transmission and the generator.
Claims20
A power extraction system for a gas turbine engine, comprising:
- a low spool transmission;
- and
- a low spool accessory gearbox comprising:
- a generator, and
- a dual clutch transmission coupled between the low spool transmission and the generator.
2 more elements
A gas turbine engine, comprising:
- a high spool and a low spool;
- a high spool transmission mechanically coupled to the high spool;
- a low spool transmission mechanically coupled to the low spool;
- and
- a low accessory gearbox comprising:
- a generator, and
- a dual clutch transmission coupled between the low spool transmission and the generator.
4 more elements
A method of forming a power extraction system for a gas turbine engine, comprising:
- coupling a low spool transmission to a low spool of the gas turbine engine;
- coupling a dual clutch transmission to the low spool transmission, the dual clutch transmission comprising:
- a first clutch;
- a first transmission shaft operationally coupled to the first clutch and including a first gear;
- a second clutch;
- a second transmission shaft operationally coupled to the second clutch and including a second gear;
- and
- a countershaft including a first counter gear configured to engage the first gear and a second counter gear configured to engage the second gear;
- and
- rotationally coupling an output gear of the countershaft to an input gear of an accessory of a low accessory gearbox.
7 more elements
Dependencies are inferred from the claim text.