Patent ID: 7244098
Filing Date: 2007-07-17
Classification: F01D,F04D,F05D

Abstract:
1. A device for adjusting the centering of a control ring for pivoting vanes of a turbomachine, the device comprising a plurality of pads for coming into contact with a circular surface that is coaxial with the ring, each pivoting vane being connected to the control ring via a lever having a first end secured to the control ring via a crank pin disposed radially on said ring, and a second end mounted on a pivot of the vane, each of said pads being secured to a pad carrier, wherein each pad carrier is secured under the control ring by attachment systems that are designed to be assembled from over the rings, wherein the pad carrier includes a substantially tubular portion extending longitudinally from the control ring towards the inside thereof and suitable for receiving a complementary tubular portion of the pad, the device further including a screw for screwing into the complementary tubular portion of the pad in such a manner as to enable the radial position of the pad to be adjusted.