STEAM TURBINE VARIABLE CLEARANCE PACKING

A packing ring assembly and a steam turbine are provided to dispose an element so that the packing ring assembly can extend to the circumference of a shaft having a spring loaded bar making contact with a fixing element. A packing ring assembly includes a packing ring segment, a bar(30), a cover pla...

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Bibliographische Detailangaben
Hauptverfasser:	RIVAS FLOR, COUTURE BERNARD A, LAURER KURT N, ADIS WILLIAM E, KELLY MARK E, BAILY FREDERICK G, CHEVRETTE RICHARD J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PISTONS SEALINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A packing ring assembly and a steam turbine are provided to dispose an element so that the packing ring assembly can extend to the circumference of a shaft having a spring loaded bar making contact with a fixing element. A packing ring assembly includes a packing ring segment, a bar(30), a cover plate, and a spring. The packing ring segment has an axial slot(32). The bar is disposed in the slot. The cover plate is disposed along the outer periphery of the packing ring segment. The spring is compressed between the bar and the cover plate. The packing ring segment can be moved between a small gap position on the innermost side and a large gap position on the outermost side with respect to a rotary element.