ROTOR BLADE WITH DAMPING STRUCTURE

ROTOR BLADE WITH DAMPING STRUCTURE

A rotor blade assembly includes a first rotor blade (48) and a second rotor blade (50) positioned adjacent to one another. The first rotor blade (48) and the second rotor blade (50) each include a platform (66) and an airfoil (52) extending radially outward from a root (64) coupled to the platform (...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CHAKRABARTI, Suryarghya, DELVAUX, John McConnell, LI, Jing
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:A rotor blade assembly includes a first rotor blade (48) and a second rotor blade (50) positioned adjacent to one another. The first rotor blade (48) and the second rotor blade (50) each include a platform (66) and an airfoil (52) extending radially outward from a root (64) coupled to the platform (66) to a tip (68). The airfoil (52) includes a part-span shroud. The part-span shroud (72, 73) extends from the airfoil (52) and is disposed between the root (64) and the tip (68). The part-span shroud (72, 73) includes a pressure side portion (76) extending from the pressure side surface (54) and a suction side portion (74) extending from the suction side surface (56). A damper (100) is in contact with both the part span shroud (72, 73) of the first rotor blade (48) and the part span shroud (72, 73) of the second rotor blade (50) at an interface joint (75). The damper (100) is movable relative to the part span shroud (72, 73) of both the first rotor blade (48) and the second rotor blade (50).