Slipring bushing assembly for moveable turbine vane

F - Mech Eng,Light,Heat,Weapons – 01 – D

Patent

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Details

F01D 25/02 (2006.01) F01D 9/02 (2006.01)

Patent

CA 2638687

A bushing assembly for a turbine vane includes a bushing (60) and a housing (62). The bushing (60) includes a bore for receiving a trunnion (54) of the vane, a first electrical contact (66) carried on an outer surface thereof, and a first conductor extending from the first electrical contact (66). The first electrical contact (66) is adapted to be connected to a heating element (72) disposed on the vane. The housing (62) is positioned over the bushing (60) and rotatable relative to the bushing (60). The housing (62) includes a second electrical contact (86) disposed in contact with the first electrical contact (66) and a second conductor extending from the second electrical contact (86) for connection to an electrical power source.

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