Invention Grant

Rotatable vanes
Abstract:
A gas turbine engine, having an engine central longitudinal axis, includes at least one of a vane support, a vane stage, a blade outer air seal support, and a blade outer air seal. At least one of the vane support, the vane stage, the blade outer air seal support, and the blade outer air seal is rotatable about the engine central longitudinal axis. The gas turbine engine may further include a drive system configured to rotate at least one of the vane support, the vane stage, the blade outer air seal support, and the blade outer air seal about the engine central longitudinal axis.
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