Method and apparatus for supporting rotor assemblies during unbalances

A method and apparatus for reducing dynamic loading of a gas turbine engine is provided. The gas turbine engine includes a rotor shaft assembly including a rotor shaft, a bearing assembly, a mounting race, and a support frame, the mounting race including a spherical surface. The method includes supp...

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Hauptverfasser: Mollmann, Daniel E, Ross, Steven A, Wesling, Richard, Agin, Thomas Edward, Orkiszewski, Charles
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method and apparatus for reducing dynamic loading of a gas turbine engine is provided. The gas turbine engine includes a rotor shaft assembly including a rotor shaft, a bearing assembly, a mounting race, and a support frame, the mounting race including a spherical surface. The method includes supporting the rotor shaft on the gas turbine engine support frame with the bearing assembly, the rotor shaft including a yield portion configured to permit bending of the rotor shaft during an imbalance operation.