FLEXIBLE SUPPORT STRUCTURE FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE
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United States of America Patent
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app pub date -
Nov 17, 2017
filing date -
Jun 8, 2011
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Abstract
A gas turbine engine includes a fan that has fan blades. A fan shaft is drivingly connected to the fan. A gear system is connected to the fan shaft and driven through an input. A gear system flex mount arrangement accommodates misalignment of the fan shaft and the input during operation. The gear system flex mount arrangement includes a gear mesh that defines a gear mesh lateral stiffness and a flexible support that defines a flexible support lateral stiffness that is less than 8% of the gear mesh lateral stiffness.
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