Heat-shield brick, combustion chamber having an inner...

Details Heat-shield brick, combustion chamber having an inner... Heat-shield brick, combustion chamber having an inner...

F - Mech Eng,Light,Heat,Weapons

23

M

F23M 5/02 (2006.01) F23R 3/00 (2006.01) F27D 1/00 (2006.01) F27D 1/06 (2006.01) F27D 1/08 (2006.01)

Patent

CA 2423196

The invention relates to a heat-shield brick (1), in particular for lining a combustion chamber wall, comprising a hot side (3) that can be exposed to a hot medium, a wall side (5) that lies opposite said hot side (3) and a peripheral side (7) that lies adjacent to the hot side (3) and the wall side (5) and that has a peripheral lateral face (9). A tensioning element (11), pre-stressed in the peripheral direction is provided on the peripheral side (7), whereby a compressive stress is generated perpendicularly to the peripheral lateral face. The invention also relates to a combustion chamber comprising a combustion chamber lining, which has heat-shield bricks of this type and to a gas turbine comprising a combustion chamber.

L'invention concerne une brique de protection thermique (1), destinée notamment à la garniture d'une paroi de chambre de combustion. Cette brique comporte un côté </= chaud >/= (3) pouvant être exposé à un milieu chaud, un côté paroi (5) situé à l'opposé du côté chaud (3) et un côté périphérique (7), adjacent au côté chaud (3) et au côté paroi (5), présentant une face latérale périphérique (9). Un élément de tension (11) pré-tendu dans le sens périphérique est situé contre le côté périphérique (7), une tension de compression étant générée perpendiculairement à la face latérale périphérique. L'invention concerne également une chambre de combustion présentant une garniture constituée de briques de protection thermique selon l'invention, ainsi qu'une turbine à gaz comprenant une chambre de combustion.

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