Seal for a platform in the rotor of a turbine engine

Details Seal for a platform in the rotor of a turbine engine Seal for a platform in the rotor of a turbine engine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/00 (2006.01)

Patent

CA 2745605

The invention relates to a seal (16) for an intermediate platform (4) provided between two adjacent blades in the rotor of a turbine engine, said seal having an elongate shape with an upstream end and a downstream end, and including transversally, in the direction of the width thereof, a contact portion, an attachment portion, and a flexible portion between the attachment portion and the contact portion. The seal is characterised in that the cross-section thereof has an open-ended shape (161, 162, 163, 161', 162', 163') between the two ends thereof.

La présente invention porte sur un joint d'étanchéité (16) de plateforme (4) intercalaire entre deux aubes adjacentes dans un rotor de turbomachine, de forme allongée avec une extrémité amont et une extrémité aval, comprenant transversalement, dans le sens de la largeur, une partie de contact, une partie d'attache et une partie flexible entre la partie d'attache et la partie de contact. Il est caractérisé par le fait que sa section transversale présente une forme évolutive (161, 162, 163, 161', 162', 163') entre ses deux extrémités.

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