Patent ID: 9199732
Filing Date: 2015-12-01
Classification: B64C,B64D

Abstract:
1. A rotor system for a tilt rotor aircraft, the rotor system comprising: an outboard engine in a first fixed location on a wing member of the tilt rotor aircraft; a prop-rotor pylon in power communication with the outboard engine, the prop-rotor pylon being configured to selectively rotate between a vertical position and a horizontal position, the prop-rotor pylon comprising a plurality of rotor blades; an outboard input drive shaft coupled between the outboard engine and an outboard input gearbox; and an outboard gearbox drive shaft being perpendicular to the outboard input drive shaft and coupled to the outboard input drive shaft; wherein the prop-rotor pylon selectively rotates about the outboard gearbox drive shaft when orienting between the vertical position and the horizontal position; and wherein the prop-rotor pylon rotates relative to the wing member.