Guide system for the outer pivot of a variable stator vane,...

Details Guide system for the outer pivot of a variable stator vane,... Guide system for the outer pivot of a variable stator vane,...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 17/16 (2006.01) F01D 9/00 (2006.01) F02K 3/00 (2006.01) F04D 29/04 (2006.01)

Patent

CA 2473819

The system enables an increase in the guidance length of the outer pivot (11) of the vane (10), so that the bushing (50) can be extracted without needing to open the stator casing. It mainly includes a bushing (50) placed inside a bossing (21) of the stator, the length of which is greater than the length of the bossing (21) projecting outwards from the bossing. Thus, the contact length of the outer pivot (11) is prolonged. The bushing is terminated at its end by a gripping hook (41) to enable extraction of the bushing by means of a claw. It is advantageously also provided with a positioning edge (42). Application to turbojets.

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