| 摘要 |
A turbine diaphragm for accommodating a rotor, comprising a diaphragm body having a radially inner bore and an inwardly recessed dovetail groove (46); a plurality of packing ring segments, each having a dovetail located within the dovetail groove ; wherein the dovetail groove includes a hook portion (48,50) which defines a radial opening (52) into the groove and wherein the hook portion includes surfaces (54,56) establishing a hook diameter having a center defined by the center of the rotor; and wherein the hook portions are radially outwardly extended by discrete elements installed axially through holes (58,60) drilled in opposite directions through the diaphragm, with the discrete elements, such as dowels, projecting into the dovetail groove. <IMAGE> |
