Guiding device for a blade with variable blade angle

Details Guiding device for a blade with variable blade angle Guiding device for a blade with variable blade angle

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 9/02 (2006.01) F01D 5/30 (2006.01) F01D 17/16 (2006.01)

Patent

CA 2470089

A guide device for guiding a variable-pitch blade, in particular in a turbomachine compressor, the blade having a pivot formed by a cylindrical axial shank mounted in a cylindrical housing of a casing and pivotally guided about an axis in said housing by bearings, the device being characterized in that said bearings are abutment bearings with conical rollers, the axes of the rollers being substantially perpendicular to the pivot axis of the blade.

Dispositif de guidage d'une aube à angle de calage variable, en particulier dans un compresseur de turbomachine, l'aube comprenant un pivot formé par une queue axiale cylindrique montée dans un logement cylindrique d'un carter et guidée en rotation autour d'un axe dans ce logement par des paliers, caractérisé en ce que lesdits paliers sont des butées à rouleaux coniques, les axes de ces rouleaux étant sensiblement perpendiculaires à l'axe de rotation de l'aube.

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