INTERMEDIATE ELEMENT FOR A BLADE/ROTOR DISC CONNECTION IN A ROTOR OF A TURBOMACHINE, ASSOCIATED ROTOR FOR A TURBOMACHINE, AND TURBOMACHINE

INTERMEDIATE ELEMENT FOR A BLADE/ROTOR DISC CONNECTION IN A ROTOR OF A TURBOMACHINE, ASSOCIATED ROTOR FOR A TURBOMACHINE, AND TURBOMACHINE

An intermediate element is for a blade/rotor disk connection in a rotor of a fluid flow machine. The intermediate element is adapted to a shape of a blade root of a blade and to a blade root slot in a rotor disk for receiving the blade root such that, when arranged between the blade root and rotor d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WITTIG, Klaus, DOPFER, Manfred, HUMMEL, Tino, FRENO, Dieter, PERNLEITNER, Martin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
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:An intermediate element is for a blade/rotor disk connection in a rotor of a fluid flow machine. The intermediate element is adapted to a shape of a blade root of a blade and to a blade root slot in a rotor disk for receiving the blade root such that, when arranged between the blade root and rotor disk, the intermediate element prevents contact between the blade root and rotor disk. The intermediate element has, on an outer surface that faces the rotor disk, at least one protrusion to reduce an air flow parallel to an axis of rotation of the rotor between the rotor disk and the intermediate element; and on an inner surface that faces the blade root, a recess that corresponds to the at least one protrusion.