APPARATUS AND METHOD FOR REDUCING WINDAGE AND LEAKAGE IN STEAM TURBINE INCORPORATING AXIAL ENTRY BLADE

摘要

- 14 -ABSTRACT OF THE INVENTIONA steam turbine of the type employing a pluralityof axial entry blades has a first annular plate juxtaposedone side of the disc that overlays the grooves in the discand faces of the platforms of the blades. If desired, asecond, similar annular plate may be provided on the otherside of the disc. The annular plates reduce windage andleakage.