Patent ID: 8677757
Filing Date: 2014-03-25
Classification: F23M,F23R

Abstract:
1. A combustion chamber head of a gas turbine, comprising: a confinement enclosing a dampening volume including a combustion chamber-side wall positioned toward the combustion chamber and a opposing wall positioned away from the combustion chamber, wherein the combustion chamber-side wall includes bore holes, the confinement including at least one entry hole whereby, in an edge area of the combustion chamber-side wall, a flow of cooling air is routed onto the combustion chamber-side wall, and further including at least a third wall that separates this flow of the cooling air, which flows along the combustion chamber-side wall, from a crossing flow of the cooling air through the bore holes in the combustion chamber-side wall without the two cooling air flows mixing with one another; wherein the combustion chamber-side wall is constructed and arranged to route the flow of the cooling air via a side of the combustion chamber-side wall that faces away from the combustion chamber, to subsequently reroute the flow of the cooling air into the dampening volume and to subsequently issue the flow of the cooling air into the combustion chamber via the bore holes; wherein the combustion chamber-side wall includes, on the side that faces away from the combustion chamber, elements enlarging a heat transfer surface; wherein the bore holes extend through the elements enlarging the heat transfer surface such that the elements enlarging the heat transfer surface make up at least a portion of the at least a third wall.