| 摘要 |
The device for control of the orientation of the blades of a turbine machine rotor includes: - an electric motor, the stator (5) of which is fixed and the rotor (7) of which, preferably of the permanent-magnet type or asynchronous, is fixed to the shaft (2) of the turbine machine and is integral with a toothed wheel (8) on which are engaged pinion sectors (9) integral with the root (4) of each vane (1), - means for locking the root (4) of the vanes (1), which means are positioned by an electromechanical actuator (13) integral with the shaft (2) and supplied with electrical energy via a rotating transformer (25). <IMAGE> |
