Patent ID: 9488101
Filing Date: 2016-11-08
CPC Classification: F01D,F02C,F02K,F04D,F05D

Claim Text:
1. A turbine engine comprising: a first fan including a plurality of fan blades rotatable about an axis; a reverse flow core engine section including a core turbine axially forward of a combustor and a compressor, the core turbine driving the compressor about the axis; a transmission driven by the core turbine; a geared architecture driven by the transmission system for driving the first fan at a speed less than the core turbine; a second fan disposed axially aft of the first fan and forward of the core engine; and a second turbine disposed between the second fan and the core engine, the second turbine driving the second fan, wherein the transmission includes a first mode wherein the second fan is coupled to the transmission and driven at a speed of the core turbine, and wherein the transmission includes a second mode wherein the second fan is driven at a speed less than that of the core turbine and greater than that of the first fan.