Patent ID: 8444376

Claim:
A cooled constructional element for a gas turbine comprising: a wall including a front side and a rear side, the front side being configured to be thermally loaded during operation of the turbine and the rear side having a plurality of pins projecting therefrom in a two-dimensional distribution, the two-dimensional distribution including a higher density distribution of pins in a critical zone of the cooled constructional element than in the remaining regions of the cooled constructional element; and an impingement cooling plate having a plurality of impingement cooling holes in a distributed arrangement and configured to create jets of a cooling medium that are directed onto the rear side of the wall in a region of the plurality of pins so as to cool the rear side of the wall by impingement, the impingement cooling plate being disposed essentially parallel at a distance to the rear side of the wall and the distributed arrangement of the plurality of cooling holes corresponding to the two-dimensional distribution of the plurality of pins such that, in a direction perpendicular to the impingement cooling plate, the plurality of cooling holes are respectively disposed between the plurality of pins.