Turbine blade with tip cooling and corresponding turbine and...

Details Turbine blade with tip cooling and corresponding turbine and... Turbine blade with tip cooling and corresponding turbine and...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/20 (2006.01) F01D 5/18 (2006.01)

Patent

CA 2716543

Turbine blade (2) exhibiting an open cavity (5) at its distal end (3), the said cavity (5) being delimited by an end wall (7) and a side wall (9, 10) running along the periphery of the said distal end (3) in continuation of the intrados (8) and extrados (11) of the blade (2), the side wall (9, 10) of the cavity (5) exhibiting an opening (20) near the leading edge (12) of the blade (2) opening into the cavity (5). A deflector (21) extends at least in the middle portion of the cavity (5) between the leading edge (12) and the trailing edge (14).

Aube (2) de turbine présentant une cavité ouverte (5) à son extrémité distale (3), ladite cavité (5) étant délimitée par une paroi de fond (7) et une paroi latérale (9, 10) s'étendant le long du périmètre de ladite extrémité distale (3) dans le prolongement des parois intrados (8) et extrados (11) de l'aube (2), la paroi latérale (9, 10) de la cavité (5) présentant une ouverture (20) au voisinage du bord d'attaque (12) de l'aube (2) débouchant dans la cavité (5). Un déflecteur (21) s'étend au moins dans la portion médiane de la cavité (5) entre le bord d'attaque (12) et le bord de fuite (14).

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