Patent ID: 8016561
Filing Date: 2011-09-13
Classification: F01D,F02C,F02K,F04D,F05D,Y02T

Abstract:
1. A method for assembling a turbofan engine, said method comprising: providing a booster compressor configured to produce booster discharge air; providing a first fan disk forward of the booster compressor, the first fan disk configured to rotate in a first rotational direction; coupling a first fan blade to the first fan disk, the first fan blade including a first plurality of internal channels configured to: providing a second fan disk aft of the booster compressor and downstream from the first fan disk, wherein the second fan disk is configured to rotate in a second rotational direction that is opposite the first rotational direction; and coupling a second fan blade to the second fan disk, the second fan blade including a second plurality of channels configured to: