Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 28, 2018
Patent Application Number
15292472
Date Filed
October 13, 2016
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A turbofan engine has an engine case and a gaspath through the engine case. A fan has a circumferential array of fan blades. The engine further has a compressor, a combustor, a gas generating turbine, and a low pressure turbine section. A speed reduction mechanism couples the low pressure turbine section to the fan. A bypass area ratio is greater than about 6.0. The low pressure turbine section airfoil count to bypass area ratio is below about 170.
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