SEALS WITH A CONFORMABLE COATING FOR TURBOMACHINERY

The present application provides slot seals (110) for reducing leakages between adjacent components of turbomachinery. The seals (110) may include a metallic shim (112) and a coating overlying (116) the metallic shim (110). The coating (116) may be a metallic coating, a glass coating, an enamel coat...

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Bibliographische Detailangaben
Hauptverfasser:	SEVINCER, Edip, MARIN, Anthony Christopher, SARAWATE, Neelesh Nandkumar, VENKATARAMANI, Venkat Subramaniam
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING 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:	The present application provides slot seals (110) for reducing leakages between adjacent components of turbomachinery. The seals (110) may include a metallic shim (112) and a coating overlying (116) the metallic shim (110). The coating (116) may be a metallic coating, a glass coating, an enamel coating or a ceramic coating. The coating (116) may form an outer surface (120) of the seal (110) for engagement with seal slot surfaces (135, 145) of a seal slot (170, 180) of a turbomachine. The coating (116) may be operable to conform to surface irregularities of the seal slot surfaces (135, 145) and remain coupled to the metallic shim (112) at a predefined operating temperature and a predefined operating pressure to reduce leakage past the seal and thereby between the components. The coating (116) may be configured to flow into depressions formed by the surface irregularities of the seal slot surfaces (135, 145) and remain coupled to the metallic shim (112) at the predefined operating temperature and the predefined operating pressure.