Siemens Aktiengesellschaft

Karl-Heinrich M&uuml;ller

Ralf Bell

Volker Simon

Wilfried Ulm

The invention relates to a steam turbine (,) which has a flow duct (,) with a wall (,). Blading (,) is arranged in blading rings (,) in the flow duct (,). The wall (,) of the flow duct (,) has a grooved structure (,) which purposefully influences the flow of an active fluid (,) through the flow duct (,). In particular, a spacing surface (,) with a grooved structure (,) is located between each two blades or vanes (,) of a blading ring (,). The invention also relates to a blade or vane for a steam turbine.

Growing community of inventors

Rheinberg, Germany

Karl-Heinrich Müller

Growing community of inventors

Rheinberg, Germany

Karl-Heinrich M&uuml;ller

Karl-Heinrich Müller