Patent ID: 7992391

Claim:
An annular wall transversely connecting longitudinal walls of an annular combustion chamber of a turbine engine, said wall being essentially flat and inclined in relation to a longitudinal axis of the turbine engine, the wall comprising: a plurality of deflectors, each formed by an essentially rectangular flat sheet with an external radial end, an internal radial end, and first and second lateral ends which connect the external radial end and the internal radial end, said deflectors being mounted on the annular wall and each comprising an aperture for the installation of a fuel injection system; and a plurality of multi-perforation holes formed in relation to the deflectors around the aperture of the deflector so as to allow a passage of air for cooling the deflectors; wherein each deflector includes a flow forcing unit which forces the air for cooling the deflectors to flow radially in relation to the longitudinal axis of the turbine engine around the fuel injection systems, wherein each deflector includes first and second deformations which form chicanes for the movement of the flow of cooling air, the first deformation is disposed between the first lateral end and the aperture and extends radially in relation to the longitudinal axis of the turbine engine from a first end to a second end and the second deformation is disposed between the second lateral end and the aperture and extends radially in relation to the longitudinal axis of the turbine engine from a third end to a fourth end, and wherein a circumferential distance between the first end and the third end is provided so as to allow passage of cooling air around the fuel injection systems.