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US 8,297,918 B2Granted
Variable position guide vane actuation system and method
AssigneeGeneral Electric Company
InventorShubhra Bhatnagar
Life of this patent
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Abstract
Disclosed herein is a turbine variable position guide vane actuation system. The system includes, a plurality of variable position guide vanes, a plurality of actuators with each actuator in operable communication with one of the plurality of variable position guide vanes, and each of the plurality of actuators having a pin. The system further having at least one structure, movable parallel to an axis of the turbine, having a plurality of slots and each of the plurality of slots is in operable communication with one of the pins.
Claims5
A turbine variable position guide vane actuation system, comprising:
- a plurality of variable position guide vanes;
- a plurality of actuators with each actuator being in operable communication with one of the plurality of variable position guide vanes, and each of the plurality of actuators having a pin, wherein at least one of the pins has a sleeve mounted thereto, the sleeve rotationally free to move about the at least one pin;
- and
- at least one structure being movable in a relatively axial direction and parallel to an axis of the turbine, the at least one structure having a plurality of slots extending fully through the at least one structure, each of the plurality of slots surrounding one of the pins, wherein the at least one structure comprises a plurality of operably coupled plates, wherein the plurality of actuators are in operable communication with variable position guide vanes from more than one stage of the turbine.
1 more element
Dependencies are inferred from the claim text.