Systems, methods and apparatus for modifying a turbine casing

The invention relates to systems, methods and apparatus for modifying a turbine casing. A method is provided for modifying a turbine casing (404). The method includes providing one or more casing retention pin bores (414) in the turbine casing (404); inserting a retention pin in the one or more casi...

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Bibliographische Detailangaben
Hauptverfasser:	DAS SHARADANANDAN, KUMARAVELU BALACHANDRAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to systems, methods and apparatus for modifying a turbine casing. A method is provided for modifying a turbine casing (404). The method includes providing one or more casing retention pin bores (414) in the turbine casing (404); inserting a retention pin in the one or more casing retention pin bores (414); providing one or more patch ring segments (402) configured to be radially constrained by at least a portion of the turbine casing (404) and further configured to slide circumferentially in cooperation with at least a portion of the turbine casing (404), wherein the one or more patch ring segments (402) comprise at least one retention pin locking bore (510); installing the one or more patch ring segments (402) in the turbine casing (404) to radially constrain the one or more patch ring segments (402); and engaging the retention pin in the at least one retention pin locking bore (410) to circumferentially constrain the one or more patch ring segments (402) to the turbine casing (404).