Patent ID: 9228535
Filing Date: 2016-01-05
CPC Classification: F02C,F02K,F05D

Claim Text:
1. A gas turbine engine comprising: a fan section including a fan hub supporting a plurality of fan blades for rotation relative to a fan case; a shaft rotatable relative to the fan case about an engine center axis; a geared architecture driven by the shaft and providing driving output to rotate the fan hub, wherein the geared architecture includes a sun gear that is driven by the shaft and a carrier that includes a plurality of gears in meshing engagement with the sun gear, and wherein the carrier is fixed to an engine static structure; and a compressor positioned forward of the geared architecture and radially inward of the fan blades in an overlapping relationship with the fan blades, the compressor being driven by the shaft, and wherein the compressor includes at least one set of vanes that rotate in a first direction about the engine center axis and at least one set of compressor blades that rotate in a second direction about the engine center axis, wherein the second direction is opposite of the first direction.