Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Darryl A. Colson0
Brent J. Merrritt0
Date of Patent
January 13, 2015
Patent Application Number
12974114
Date Filed
December 21, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fan rotor includes a rotor body that has plurality of fan blades for rotation about a central axis. An annular wall extends radially inward from the rotor body. A hub body extends axially from the annular wall and defines a central hub bore with a hub bore diameter Db. The hub body further defines a first cylindrical hub portion on one axial side of the annular wall and a second cylindrical hub portion on an opposite side of the annular wall. A ratio of the outer diameter of the first cylindrical hub portion to a diameter of the central hub bore is 1.996-2.007, and a ratio of the second cylindrical hub portion outer diameter to the hub bore diameter is 2.051-2.063.
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