Gasturbinentriebwerk

The seal is cooled by injecting air from the outlet of compressor diffuser 15 into a region between labyrinth teeth 20 at an angle in the direction of rotation of the seal teeth to minimize frictional heating of the injected air. Additionally, an outlet 36 for the cooling air is provided to a cavity...

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Bibliographische Detailangaben
Hauptverfasser:	NAPOLI, PHILLIP DANIEL, WESTCHESTER, OHIO, US, PATTERSON, WILLIAM ROY, MAINEVILLE, OHIO, US
Format:	Patent
Sprache:	ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS 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 STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The seal is cooled by injecting air from the outlet of compressor diffuser 15 into a region between labyrinth teeth 20 at an angle in the direction of rotation of the seal teeth to minimize frictional heating of the injected air. Additionally, an outlet 36 for the cooling air is provided to a cavity 35 forward of the seal to purge this cavity and prevent stagnant air from heating the seal structure and other turbine components.