Patent ID: 6796767
Filing Date: 2004-09-28
Classification: F01D,F04D,Y10T

Abstract:
A device for controlling a variable-angle vane for a stator of a turbomachine compressor, the device comprising a link, connection means forming a hinge between a first end of the link and a control ring, and fixing means for fixing a second end of the link on a pivot of a vane to be controlled,the device further comprising: a radial recess formed in the vane pivot for receiving the second end of the link, said recess having at least one plane edge inclined relative to a longitudinal midplane of the recess and co-operating with a corresponding inclined edge of the second end of the link; and a clamping cap bearing against the second end of the link and on which the fixing means act, said clamping cap having an inside surface providing plane contact with the outside face of the second end of the link against which said clamping cap bears in order to maintain the second end of the link against the vane pivot without slack by means of contact between said inclined edges.