Back to results
US 2019/0195138 A1Published application
Concentric power takeoff transmission
AssigneeUnited Technologies Corporation
InventorGary D. Roberge
Life of this patent
Estimating the term…
Abstract
A power takeoff and gearbox system of a multi-spool gas turbine engine includes a low rotor towershaft operably connected to and driven by a first spool of the gas turbine engine, and a high rotor towershaft operably connected to and driven by a second spool of the gas turbine engine. The high rotor towershaft and the low rotor towershaft are concentric and extend to a common gearbox housing.
Claims20
A power takeoff and gearbox system of a multi-spool gas turbine engine, comprising:
- a low rotor towershaft operably connected to and driven by a first spool of the gas turbine engine;
- and
- a high rotor towershaft operably connected to and driven by a second spool of the gas turbine engine;
- wherein the high rotor towershaft and the low rotor towershaft are concentric and extend to a common gearbox housing.
1 more element
A gas turbine engine, comprising:
- a high pressure compressor driven by a first shaft;
- a low pressure compressor driven by a second shaft;
- and
- a power takeoff and gearbox system comprising:
- a high rotor towershaft operably connected to and driven by rotation of the first shaft;
- and
- a low rotor towershaft operably connected to and driven by rotation of the second shaft;
- wherein the high rotor towershaft and the low rotor towershaft are concentric and extend to a common gearbox housing.
5 more elements
Dependencies are inferred from the claim text.