A variable stator vane arrangement for an axial flow compressor comprises a plurality of stages of variable pitch stator vanes each of which is operated by a respective control ring. The vanes in each stage are connected to the control rings by operating levers. An axially extending member is connected to each control ring by operating links. The axially extending member is arranged in a plane substantially tangential to each control ring and is movable in the plane substantially tangential to the control rings to change the pitch of the variable pitch s...
A variable pitch stator vane arrangement for an axial flow compressor comprising: a stator structure; a plurality of stages of stator vanes, each stage of stator vanes having a plurality of circumferentially arranged radially extending stator vanes, each stator vane having a longitudinal axis, each stator vane being mounted to the stator structure for rotation about its longitudinal axis so that each stator vane has a variable pitch; a plurality of control rings being arranged substantially coaxial with the compressor and surrounding the stator structure...
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