Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 11, 2014
Patent Application Number
12536338
Date Filed
August 5, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
Secondary air flow is provided for a ducted fan having an engine core driving a fan blisk. The fan blisk incorporates a set of thrust fan blades extending from an outer hub and a set of integral secondary flow blades extending intermediate an inner hub and the outer hub. A nacelle provides a first flow duct for the thrust fan blades and a secondary flow duct carries flow from the integral secondary flow blades.
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