| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an arrangement and a method for mounting articulated turbine buckets in axial entry slots of rotor wheels. <P>SOLUTION: A curvature on a vertical plane can be incorporated on a swing axial-entry male dovetail projection of the bucket root and the associated swing axial-entry female dovetail slot of the rotor wheel. The curvature facilitates loading of buckets otherwise precluded by interferences, such as interlocking tip shrouds on adjacent buckets. Such loading can be provided by locating the shroud tip shroud in proximity to an adjacent tip shroud and pivoting the root end of the swing axial-entry bucket around the location of the tip shroud such that the arc formed by the bucket allows the curvature of the swing axial-entry male dovetail projection to swing into the swing axial-entry female dovetail slot of the rotor wheel. <P>COPYRIGHT: (C)2012,JPO&INPIT |
