F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/14 (2006.01) F01D 25/12 (2006.01) F01D 25/24 (2006.01)
Patent
CA 2615930
A gas turbine shroud assembly (32) comprising a plurality of shroud segments (42), each segment including a platform (44) and radially extending front and rear legs (46, 48) integrated with the platform, and pairs of seals (74) provided between adjacent shroud segments. The legs are provided with slots (72) into which the seals are inserted. The seals are disposed between the radial legs of adjacent shroud segments leaving gaps between adjacent platforms through which shroud cooling air escapes radially into the main gas path, thereby cooling the sides (58, 60) of the platforms of the respective shroud segments.
L'invention concerne un ensemble d'enveloppes de turbine à gaz (32) comprenant plusieurs segments d'enveloppe (42), chaque segment comprenant une plate-forme (44) et des jambes avant et arrière (46, 48) intégrées à la plate-forme s'étendant radialement, et des paires de joints d'étanchéité (74) placés entre les segments d'enveloppe adjacents. Les jambes sont munies de fentes (72) dans lesquelles les joints sont insérés. Ces joints sont placés entre les jambes radiales des segments d'enveloppe adjacents laissant des espaces entre les plates-formes adjacentes à travers lesquelles s'échappe l'air de refroidissement d'enveloppe radialement dans le passage de gaz principal, refroidissant ainsi les côtés (58, 60) des plates-formes des segments d'enveloppe respectifs.
Clermont Martin
Durocher Eric
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Pratt & Whitney Canada Corp.
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