A combustion chamber sealing ring, and a combustion chamber...

Details A combustion chamber sealing ring, and a combustion chamber... A combustion chamber sealing ring, and a combustion chamber...

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/28 (2006.01) F01D 25/08 (2006.01) F23R 3/00 (2006.01) F23R 3/50 (2006.01) F23R 3/60 (2006.01)

Patent

CA 2432256

The present invention provides a fixing or sealing ring (1) for maximizing cooling at the end of a combustion chamber wall. For this purpose, the ring (1) is constituted by a sleeve (1a) which is fixed around the end of a wall (51a) of the combustion chamber by means of a plurality of orifices for receiving fasteners or by means of any other system for connecting the ring to the wall. The sleeve (1a) includes at least one recess (3) in its face facing the wall (51a) of the combustion chamber, thereby reducing the area of the sleeve (1a) that presses against the wall (51a), and co-operating with said wall to form an open cavity (6) in which a cooling air stream (63) can flow.

La présente invention concerne un joint circulaire (1) de fixation ou d'étanchéité destiné à maximiser le refroidissement à l'extrémité de la paroi d'une chambre de combustion. € cette fin, le joint circulaire (1) est constitué d'une chemise (1a) qui est fixée autour de l'extrémité d'une paroil (51a) de la chambre de combustion au moyen d'une pluralité d'orifices destinés à recevoir les éléments de fixation ou au moyen de tout autre système de connexion du joint circulaire à la paroi. La chemise (1a) inclut au moins une fraisure (3) dans sa face opposée à la paroi (51a) de la chambre de combustion, ce qui permet de réduire la surface de la chemise (1a) qui pèse sur la paroi (51a) et de former avec ladite paroi une cavité ouverte (6) dans laquelle un débit d'air de refroidissement (63) peut s'écouler.

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