Invention Grant
US09194329B2 Gas turbine engine shaft bearing configuration 有权
燃气轮机轴承配置

Gas turbine engine shaft bearing configuration
Abstract:
A gas turbine engine includes a housing including an inlet case and an intermediate case that respectively provide an inlet case flow path and an intermediate case flow path. A geared architecture is arranged within the inlet case. The geared architecture includes an epicyclic gear train. A fan is rotationally driven by the geared architecture. A shaft provides a rotational axis. A hub is operatively supported by the shaft. First and second bearings support the shaft relative to the intermediate case and the inlet case, respectively.
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