TURBINE NOZZLE SEGMENT AND METHOD OF REPAIRING SAME

A method for repairing a stationary turbine nozzle segment (10) having at least one vane disposed between outer and inner structural bands includes providing an engi ne- run turbine nozzle segment (10) having at least one vane disposed between outer and inner bands, wherein the outer band (14) and t...

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Bibliographische Detailangaben
Hauptverfasser:	CADDELL, JAMES W., JR, NORTON, BRIAN A, MILLER, MATTHEW N, CALDWELL, JAMES M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING COMBINED OPERATIONS ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A method for repairing a stationary turbine nozzle segment (10) having at least one vane disposed between outer and inner structural bands includes providing an engi ne- run turbine nozzle segment (10) having at least one vane disposed between outer and inner bands, wherein the outer band (14) and the vanes (12) are previously replace d components of the segment and the inner band is an original component of the segment (10); separating the inner band from the nozzle segment (10); repairing dama ge in the outer band (14) and/or the vane; and joining the outer band (14) and the van e to a newly manufactured replacement inner band segment (30). The replacement inner band segment (30) includes: a structural inner band; and an integral structural collar adapted to receive an inner end of the at least one vane.