Vane tip motion transfer device

Details Vane tip motion transfer device Vane tip motion transfer device

F - Mech Eng,Light,Heat,Weapons

01

D

170/66

F01D 17/16 (2006.01)

Patent

CA 1040536

ABSTRACT OF THE DISCLOSURE This invention relates to a device which is capable of accurately transferring a rotating movement from a master control to a pivotal vane tip in a gas turbine engine. A series of stationary vanes which are housed inside the casing of a gas turbine are each provided with a trailing rotatable vane tip. The device to which this application is directed is mounted on the casing of the gas turbine in a sealed manner and is connected to the rotatable vane tip. The vane tip is continuously biased in a radially outward direction by the motion transfer device to assure the best possible seal of the vane tip in the turbine. Provision is made to allow the vane tip to have some radial flexibility to prevent binding of the vane tip under thermal cycling stresses.

278542

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