Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 11, 2018
Patent Application Number
13340838
Date Filed
December 30, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gas turbine engine includes a first fan, a second fan spaced axially from the first fan, a turbine-driven fan shaft and an epicyclic gear train coupled to be driven by the turbine-driven fan shaft and coupled to drive the first fan and the second fan. The epicyclic gear train includes a carrier that supports star gears that mesh with a sun gear, and a ring gear that surrounds and meshes with the star gears. The star gears are supported on respective journal bearings.
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