F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/24 (2006.01) F01D 9/04 (2006.01)
Patent
CA 2312949
An outer housing for supporting a stator assembly in a gas turbine engine, wherein the support includes two outer ring sections between which the vane segments of the stator assembly are mounted to form a ring within the cylindrical support. A central ring section is provided between the outer ring sections and is connected thereto by means of spokes. The central ring section locates the structure within the engine casing. The spokes extend at an angle to the axis of the stator assembly and define openings therebetween whereby thermal distortion between the outer rings and the central ring is attenuated.
La présente invention concerne un boîtier extérieur servant à soutenir un ensemble stator dans une turbine à gaz, ce support comprenant deux sections de bagues extérieures entre lesquelles les segments de l'aube de l'ensemble stator sont montés de manière à former une bague dans le support cylindrique. Une section de bague centrale est disposée entre les sections de bagues extérieures et est connectée par des rayons. La section de bague centrale maintient la structure dans le carter du moteur. Les rayons s'étendent selon un angle par rapport aux axes de l'ensemble stator et forment des ouvertures entre eux, la distorsion thermique entre les bagues extérieures et la bague centrale étant ainsi diminuée.
Bouchard Guy
Dorais Francois
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pratt & Whitney Canada Corp.
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