Patent ID: 9429169
Filing Date: 2016-08-30
CPC Classification: F01D,F04D,F05D,Y02T

Claim Text:
1. A turbine engine comprising: a casing housing at least one stator stage including variable-pitch vanes controlled by an actuator ring coaxially surrounding the casing, wherein the ring is constrained to move in turning only about an axis of the casing and being connected by crank-arms to the variable-pitch vanes, wherein the actuator ring is coupled to at least one adjacent specific drive unit generally in a form of an actuator and comprising first and second portions forming a cylinder and a rod extending from the cylinder, wherein the first portion is hinged to the casing, and the second portion is directly hinged to a lateral extension of the ring, the lateral extension of the ring being rotationally stationary relative to the ring, wherein the rod is directly hinged to the ring and the cylinder is hinged to the casing, and wherein the hinge between the cylinder and the casing is arranged in a vicinity of an end of the cylinder from which the rod extends.