Patent ID: 8091364
Filing Date: 2012-01-10
Classification: F23M,F23R

Abstract:
1. A combustion chamber wall of a combustion chamber, the combustion chamber having a combustion chamber outlet through which a hot combustion exhaust exits, the combustion chamber wall having an outlet end that surrounds the combustion chamber outlet comprising: a tempering fluid supply that provides a tempering fluid; a tempering device having a plurality of fluid channels connected to the tempering fluid supply; a profile groove arranged in a section of the outlet end facing a turbine stage, a first portion of the fluid channels have a first opening arranged outside of the combustion chamber wall that opens out into a combustion chamber plenum and an outlet at the profile groove; a second portion of fluid channels have a second opening arranged towards the interior of the combustion chamber and an inlet at the profile groove, wherein the first openings arranged on the outside of the combustion chamber wall are connected in the flow system to the second openings that open out toward the interior of the combustion chamber; wherein all the fluid channels have openings that open out into the profile groove; and a covering element for covering the profile groove, where a flow passage is formed by the covering element covering the profile groove, wherein the outlets of the first portion of fluid channels are circumferentially offset from the inlets of the second portion of fluid channels within the profile groove.