Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 29, 2009
0Patent Application Number
111458480
Date Filed
June 6, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A turbofan engine includes a fan, compressor, combustor, high pressure turbine, and low pressure turbine joined in serial flow communication. The high pressure turbine includes two stages of rotor blades to effect corresponding exit swirl in the combustion gases discharged therefrom. A transition duct includes fairings extending between platforms for channeling the combustion gases to the low pressure turbine with corresponding swirl. First stage rotor blades in the low pressure turbine are oriented oppositely to the rotor blades in the high pressure turbine for counterrotation.
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