Patent ID: 9115650
Filing Date: 2015-08-25
Classification: F01D,F02C,F05D,F16D,F16H,Y10T

Abstract:
1. A turbine engine comprising: a fan section including a plurality of fan blades; a turbine section; an epicyclic gear train coupled between the turbine section and the fan section for providing a speed reduction between turbine section and the fan section, the epicyclic gear train including a plurality of intermediate gears, a carrier supporting the plurality of intermediate gears, a sun gear that meshes with the plurality of intermediate gears and a ring gear surrounding and meshing with the plurality of intermediate gears the ring gear including first and second portions that each have an inner periphery with teeth, wherein the first and second portions of the ring gear have an outer circumferential surface opposite the teeth that provides a first thickness, a second thickness greater than the first thickness and axially inward from the first thickness, and a flange extending radially away from said axis; and an oil collection feature having an angled portion that is angled relative to the axis, and a radially aligned portion connected to the flange.