| 摘要 |
A turbine diaphragm for accommodating a rotor, comprising a diaphragm body having a radially inner bore and an inwardly recessed dovetail groove; a plurality of packing ring segments, each having a dovetail located within the dovetail groove; wherein the dovetail groove includes a hook portion which defines a radial opening into the groove and wherein the hook portion includes surfaces 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 in opposite directions through the diaphragm and projecting into the dovetail groove.
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