GEARED TURBOFAN WITH HIGH FAN ROTOR POWER INTENSITY
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United States of America Patent
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Mar 6, 2013
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Oct 1, 2012
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Abstract
A gas turbine engine includes a fan rotating structure including a plurality of fan blades supported on a hub that defines a frontal area. A turbine section drives the fan through a geared architecture about the axis. The fan rotating structure includes a weight of the fan rotating structure relative to the frontal area that enables improvements in engine operating and propulsive efficiencies.
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