Steam turbine with pressure activated sealing device

摘要

A pressure activated flow path seal for a steam turbine (100) is disclosed. In one embodiment a gap closure component is located about a rotary component (105) and the stationary component (110) of the steam turbine (100). A pressure differential activates the gap closure component to seal or reduce the radial clearance of a steam leakage path between the rotary component (105) and the stationary component (110).