Patent ID: 7673457
Filing Date: 2010-03-09
Classification: F23D,F23R

Abstract:
1. A turbine engine annular combustion chamber having a longitudinal axis, said annular combustion chamber comprising longitudinal walls connected by a transverse chamber bottom and a single-piece cowling, the chamber bottom and the cowling each comprising an inner flange and an outer flange, each of said inner and outer flanges extending in a circumferential direction around said longitudinal axis of said annular combustion chamber, and each of said inner and outer flanges including a plurality of holes for the passage of fixing systems for fixing the cowling on the chamber bottom, wherein each fixing system is associated with at least one tangential slot formed on the corresponding flange of the chamber bottom and/or on the corresponding flange of the cowling, each slot being formed in the immediate vicinity of the corresponding fixing system, wherein each slot substantially extends in said circumferential direction.