STATOR SHROUD OF GAS TURBINE, AND LEAF SEAL FOR NOZZLE BAND

PROBLEM TO BE SOLVED: To provide a seal for sealing between a stator shroud of a gas turbine and a nozzle band. SOLUTION: Leaf seal assemblies 40 and 80 are fixed to the rear edges of shroud segments 10 and 68 to seal between the shroud segments and front edge sidewalls of nozzle outer bands 45 and...

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Bibliographische Detailangaben
Hauptverfasser:	BURDGICK STEVEN SEBASTIAN, SEXTON BRENDAN FRANCIS
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GAS-TURBINE PLANTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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:	PROBLEM TO BE SOLVED: To provide a seal for sealing between a stator shroud of a gas turbine and a nozzle band. SOLUTION: Leaf seal assemblies 40 and 80 are fixed to the rear edges of shroud segments 10 and 68 to seal between the shroud segments and front edge sidewalls of nozzle outer bands 45 and 90. A leaf seal includes a circumferentially slender seal plate energized by a pair of spring clips arranged in groove parts 46 and 82 along the rear edges of the shroud segments, and the seal plate is held by engaging with flanges 42 and 88 on the front edge sidewalls of the nozzle outer bands. The leaf seal plate and the spring clip receive pins 60 and 89 welded with the shroud segments by tack to fix the leaf seal assemblies to predetermined places.