Patent ID: 7112041
Filing Date: 2006-09-26
Classification: F01D

Abstract:
1. A device for pivotally guiding variable-pitch vanes in a turbomachine, each vane having a radially outer pivot which is pivotally guided on a casing of the turbomachine and which is connected by a link to a control ring surrounding the casing, the pivot of each vane having a radially-inner portion which is pivotally guided in a cylindrical radial chimney of the said casing and a radially-outer end which is pivotally guided by a stationary element outside the casing, wherein the link connected to the control ring is secured to the pivot of the vane between the chimney and the stationary element and the control ring is supported and centered around the casing and at a distance from the casing by the links secured to the pivots of the vanes.