Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 13, 2009
Patent Application Number
11209085
Date Filed
August 22, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fan blade includes an airfoil having opposite pressure and suction sides extending in span between a root and tip, and extending in chord between opposite leading and trailing edges. From root toward tip, the airfoil includes increasing stagger and decreasing camber, and increasing chord length to barrel the airfoil along both the leading and trailing edges. The airfoil further includes forward aerodynamic sweep at the tip, and non-forward aerodynamic sweep between the maximum barrel and the root.
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