Cooled gas turbine engine vane
AssigneeSnecma Moteurs
InventorChristophe Texier
Life of this patent
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Abstract
The cooled gas turbine vane of the invention comprises a cast part and a longitudinal sleeve obtained by shaping metal sheet; the cast part comprises a longitudinal body provided with a longitudinal cavity having a first opening and a second opening at the ends; the sleeve is mounted in the cavity by being firmly affixed to the wall of the first opening, and one end part of which being free to slide in the second opening forming a guide. Said end part comprises a part having constricted dimensions relative to the transverse dimensions of the guide.
Claims8
A cooled gas turbine engine vane comprising a cast part and a longitudinal sleeve, for guiding the flow of cooling air, obtained by shaping sheet metal, the cast part comprising a longitudinal body provided with a longitudinal cavity having a first opening for feeding and a second opening for evacuation of air at the extremities, the sleeve being mounted in the cavity, by being attached to the wall of the first opening, one end part of which being free to slide into the second opening forming a guide, characterized in that said end part guided by the guide comprises a constriction of its passage cross-section for the air flow.
Dependencies are inferred from the claim text.