ANNULAR COMBUSTION CHAMBER WITH A REMOVABLE END WALL

Abstract

A one-piece combustion chamber having an end wall subdivided into sectors. The combustion chamber comprises a chamber end wall interconnecting the inner and outer walls, and it includes windows closed by removable walls, each carrying a plurality of injector systems.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The invention can be better understood and other advantages thereof appear more clearly in the light of the following description of a one-piece type combustion chamber in accordance with the invention and described solely by way of example and with reference to the accompanying drawings, in which:

FIG. 1 is a fragmentary perspective view from behind of the combustion chamber when assembled;

FIG. 2 is a perspective view of a removable plate for the chamber end wall;

FIG. 3 is a section on III-III of FIG. 2; and

FIGS. 4 to 6 are fragmentary perspective views showing a removable wall being removed during a maintenance operation.

Claims

1. An annular combustion chamber comprising an outer wall, an inner wall, and a chamber end wall interconnecting the outer and inner walls, wherein said chamber end wall includes windows distributed circumferentially and closed by removable walls, and wherein each removable wall constitutes a support for a plurality of injector systems.

2. A combustion chamber according to claim 1, wherein the outer and inner walls and the chamber end wall are welded together.

3. A combustion chamber according to claim 1, wherein each removable wall carries three injector systems.

4. A combustion chamber according to claim 1, wherein each removable wall includes a peripheral shoulder defining an internal bearing margin that comes into contact with the inside face of the chamber end wall.

5. A combustion chamber according to claim 4, wherein said removable wall includes, on its edge faces, grooves parallel to said bearing margin, and wherein stop clips are engaged in said grooves to define external bearing surfaces that come into contact with the outside face of said chamber end wall.

6. A combustion chamber according to claim 5, wherein such a stop clip has an L-shaped profile, one limb of said clip being engaged in an above-mentioned groove and the end of the other limb being welded to the periphery of said removable wall.

7. A combustion chamber according to claim 6, wherein the periphery of said removable wall presents ribs, and wherein said end of the other limb of each clip is welded to the top of such a rib.

8. A turbomachine including a combustion chamber according to claim 1.