Blade or vane for a turbomachine

F - Mech Eng,Light,Heat,Weapons – 01 – D

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F01D 5/18 (2006.01)

Patent

CA 2557493

A component defines a blade or a vane for a rotor rotatable about a rotary axis (x). An inner space (10) of the component is limited by first and second walls (12), and forms a passage for a cooling fluid. First and second ribs (21, 22) project form the first and second walls, respectively, and form first and second channels for the fluid from a leading end to a trailing end of the ribs. The first and second ribs intersect and are directly connected to each other at said intersections. The first and second ribs intersect at an intersection joint (26) in the proximity of the trailing end in such a way that the first channel (23) and the second channel (22) form a common outlet channel (27) with a flow area.

Pièce qui définit une pale ou une aube pour un rotor tournant autour d'un axe de rotation (x). Un espace interne (10) de la pièce est limité par des première et seconde parois (12) et forme un passage pour un fluide de refroidissement. Des premières et secondes nervures (21, 22) font saillie à partir des première et seconde parois, respectivement, et forment des premiers et seconds canaux pour le fluide d'une extrémité d'attaque à une extrémité de fuite des nervures. Les premières et secondes nervures se croisent et sont directement reliées les unes aux autres au niveau de ces intersections. Lesdites premières et secondes nervures se croisent au niveau d'une jonction par intersection (26) située à proximité de l'extrémité de fuite de manière telle que le premier canal (23) et le second canal (22) forment un canal de sortie commun (27) présentant une section d'écoulement.

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