Turbomachinery components, Turbomachinery Blades and turbomachinery

摘要

The invention relates to an assembly (200) for a turbine, which includes an impeller (201) including a blade (210).And a turbine ring (250) surrounding the impeller. The blade (210) has at least one sealing element moving between the first position and the second position, wherein the moving sealing element (215) is in contact with u.Turbine ring inner surface (251) At least one of the movable sealing elements (215) and the inner surface (251) has the low friction material. The invention also relates to a blade () and a turbine () 10.