Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shankar S. Magge0
Brian D. Merry0
Gabriel L. Suciu0
Michael E. McCune0
Date of Patent
May 12, 2015
Patent Application Number
13408229
Date Filed
February 29, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gas turbine engine includes a shaft defining an axis of rotation. An outer turbine rotor directly drives the shaft and includes an outer set of blades. An inner turbine rotor has an inner set of blades interspersed with the outer set of blades. The inner turbine rotor is configured to rotate in an opposite direction about the axis of rotation from the outer turbine rotor. A splitter gear system couples the inner turbine rotor to the shaft and is configured to rotate the inner set of blades at a faster speed than the outer set of blades.
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