Foil, assembly for a turbomachine rotor and turbomachine
AssigneeSafran Aircraft Engines
InventorsNicolas Daniel Delaporte, Pierre Marie Mulheim, Arnaud Martine, Antoine Giguet, Vincent Goyon
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Abstract
A foil for a turbomachine rotor blade, configured to be mounted on a root of the rotor blade and including an embossment located in a lower surface of the foil and forming, in the lower surface of the foil, a convex protrusion capable of being inserted into a housing formed in a lower face of the blade root.
Claims10
A foil for a moving blade of a turbomachine, the foil being configured to be mounted to a root of said moving blade and comprising blocking means for preventing at least some of the relative movements between the blade root and said foil, said foil having an overall U-shaped cross-section formed by a lower surface covering a lower face of the blade root and two side legs connected through the lower surface and covering each one at least one part of lateral sides of the blade root,
- wherein the blocking means include a boss located in the lower surface of the foil and forming, in said lower surface of the foil, a convex protrusion capable of being inserted into a housing formed in the lower face of the blade root, said convex protrusion having an outer periphery that is entirely connected to the lower surface of the foil.
A set of a blade root and a foil for a moving blade of a turbomachine, the foil being mounted to the blade root and comprising blocking means for preventing at least some of the relative movements between the blade root and said foil, said foil having an overall U-shaped cross-section formed by a lower surface covering a lower face of the blade root and two side legs connected through the lower surface and covering each one at least one part of lateral sides of the blade root,
- wherein the blocking means include a boss located in the lower surface of the foil and forming, in said lower surface of the foil, a convex protrusion capable of being inserted into a housing formed in the lower face of the blade root, said convex protrusion having an outer periphery that is entirely connected to the lower surface of the foil.
Dependencies are inferred from the claim text.