Patent ID: 6752598
Filing Date: 2004-06-22
Classification: F01D

Abstract:
In a turbomachine disk comprising a peripheral slot having sidewalls and a loading window, and a plurality of blades retained in said peripheral slot, said blades comprising roots of the hammer head type adapted to be introduced into said slot through said loading window and to be held in said slot by collaboration of shape with said sidewalls, a radial clearance being provided between the bottom of said slot and the underside of said blade roots, there is provided a device for immobilizing said blades in said peripheral slot, said immobilizing device adapted to be introduced into said slot through said loading window and comprising a locking element and a radial manipulating screw having a head, said locking element adapted to be arranged in a space separating two adjacent blade roots and to be raised up, under the action of said manipulating screw, into a lock housing formed in said sidewalls, said screw head resting against the bottom of said slot and being restrained in the radially outward direction by said two adjacent blade roots.