The turbofan has front and rear counter-rotating fans (3, 5), at the front of an intermediate case (2), integrated to a counter-rotating low pressure compressor (7). Blades (14) of the fan (5) extend across a secondary flow (F2) channel (13), from a wheel ...

An aircraft gas turbine engine (10) includes high and low pressure turbines (24, 26) having respective counter rotatable low pressure inner and outer rotors (200,202) with low pressure inner and outer shafts (130,140) in part rotatably disposed co-axially ...