<p>The stationary gas turbine has multiple concentric supports, which are provided in cooling air extraction channels (38) and are arranged around a machine axle (22). An internal end of the multiple concentric supports (40) is fixed at an internal wall (18) of a compressor diffuser (16). Each extraction opening (42) is provided in region of an outlet (28) of the compressor diffuser and is provided as a part of one of the support.</p>
