Methods and apparatus for adjusting gas turbine engine variable vanes
AssigneeGeneral Electric Company
InventorMark Jeffery Bouyer
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Abstract
A gas turbine engine including a variable geometry system that includes a mounting system to facilitate extending a useful life of a variable geometry system is described. The engine includes a high pressure compressor including a plurality of variable vanes and rotating vanes. The variable geometry system is coupled to an actuator and includes a master lever, an aft mount, and a slot and groove joint. The master lever is coupled to the aft mount with the slot and groove joint, and adjusts a position of the variable vanes without inducing angular displacement on the aft mount.
Claims18
A method for assembling a variable geometry system for a gas turbine engine including a high pressure compressor, the variable geometry system including a master lever and at least one aft mount, the high pressure compressor including a plurality of variable vanes, said method comprising the steps of:
- coupling the master lever to the aft mount using a slot and groove joint, to adjust the position of the high pressure compressor variable vanes during activation of the variable geometry system;
- and
- securing the aft mount to the gas turbine engine with a mounting lug that prevents angular displacement of the aft mount during activation of the variable geometry system.
A variable geometry system for a gas turbine engine, said variable geometry system comprising:
- a master lever;
- and
- an aft mount, said master lever coupled to said aft mount with a slot and groove joint, and configured to adjust a position of variable vanes during activation of said variable geometry system, said aft mount comprising at least one mounting lug securing said aft mount to the gas turbine engine, said mounting lug configured to prevent angular displacement of said aft mount during activation of said variable geometry system.
A gas turbine engine comprising:
- a high pressure compressor comprising a plurality of variable vanes;
- and
- a variable geometry system configured to re-direct airflow through said high pressure compressor, said variable geometry system comprising a master lever and an aft mount, said master lever coupled to said aft mount and configured to adjust a position of variable vanes during activation of said variable geometry system, said aft mount coupled to said master lever with a slot and groove joint.
Dependencies are inferred from the claim text.