F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/12 (2006.01) F01D 9/04 (2006.01)
Patent
CA 2531519
The invention concerns a stationary ring surrounding the passage of hot gases (14) of a gas turbine, said ring being enclosed by a stationary annular housing (2) so as to define an annular cooling chamber (26) wherein emerges at least one cooling air supply orifice (28), said ring consisting of a plurality of ring segments (16), each ring segment (16) including an upper inner cooling circuit (A) and a lower inner cooling circuit (B), said lower cooling circuit (B) being independent of said upper cooling circuit (A) and radially offset relative to said upper cooling circuit (A).
Anneau fixe entourant un passage de gaz chauds (14) d'une turbine à gaz, ledit anneau étant entouré d'un logement annulaire fixe (2) de façon à définir une chambre annulaire de refroidissement (26) dans laquelle débouche au moins un orifice d'alimentation en air de refroidissement (28), ledit anneau étant composé d'une pluralité de segments d'anneau (16), chaque segment d'anneau (16) comportant un circuit interne de refroidissement supérieur (A) et un circuit interne de refroidissement inférieur (B), ledit circuit de refroidissement inférieur (B) étant indépendant dudit circuit de refroidissement supérieur (A) et décalé radialement par rapport audit circuit de refroidissement supérieur (A).
Goudreau Gage Dubuc
Snecma
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