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US 12,540,579 B2Granted
Remote mounted accessory gearbox
AssigneeRtx Corporation
InventorsPaul R. Hanrahan, Stefan M. Poth, Jr., Bradley C. Schafer
Life of this patent
Estimating the term…
Abstract
An apparatus includes an engine and an accessory gearbox. The engine is positioned on a top side of an aircraft. The accessory gearbox is mounted with an airframe of the aircraft remote from the engine, wherein the accessory gearbox is drivingly connected to the engine.
Claims20
An apparatus comprising:
- an engine positioned on a top side of an aircraft;
- an accessory gearbox mounted within an airframe of the aircraft and remote from the engine;
- and
- a tower shaft extending from the engine through the airframe to the accessory gearbox and configured to drivingly connect the engine to the accessory gearbox,
- wherein the tower shaft comprises:
- a first flex joint adjacent the engine, the first flex joint configured to accommodate movement of the engine in relation to the accessory gearbox;
- and
- a second flex joint adjacent the accessory gearbox, the second flex joint configured to accommodate movement of the accessory gearbox in relation to the engine.
5 more elements
An apparatus comprising:
- an engine;
- an accessory gearbox mounted remotely from the engine at an elevation equal to or below a fuel tank;
- and
- a tower shaft extending from the engine to the accessory gearbox and configured to drivingly connect the engine to the accessory gearbox,
- wherein the tower shaft includes:
- a first flex joint adjacent the accessory gearbox, the first flex joint configured to accommodate movement of the accessory gearbox in relation to the engine;
- and
- a second flex joint adjacent to the engine, the second flex joint configured to accommodate movement of the engine in relation to the accessory gearbox.
5 more elements
An apparatus comprising:
- an engine positioned on a top side of an aircraft;
- an accessory gearbox mounted within an airframe of the aircraft and remote from the engine;
- a fuel tank mounted at an elevation equal to or above the accessory gearbox;
- and
- a tower shaft extending from the engine through the airframe to the accessory gearbox and configured to drivingly connect the engine to the accessory gearbox,
- wherein the tower shaft comprises a first flex joint adjacent the engine, the first flex joint configured to accommodate movement of the engine in relation to the accessory gearbox.
3 more elements
An apparatus comprising:
- an engine;
- an aircraft airframe, wherein the engine is positioned on a top side of the airframe;
- an accessory gearbox mounted remotely from the engine at an elevation equal to or below a fuel tank;
- and
- a tower shaft extending from the engine to the accessory gearbox and configured to drivingly connect the engine to the accessory gearbox,
- wherein the tower shaft includes a first flex joint adjacent the accessory gearbox, the first flex joint configured to accommodate movement of the accessory gearbox in relation to the engine.
3 more elements
Dependencies are inferred from the claim text.