ROTOR HUB VIBRATION ATTENUATOR

ROTOR HUB VIBRATION ATTENUATOR

A vibration attenuator (301) for attenuating vibrations in a mast of an aircraft is disclosed. The vibration attenuator comprises a first spinner (215) configured for rotation about a first axis; a first mass (307) coupled to the first spinner for rotation therewith, the first mass being movable rad...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HEVERLY, David, SEIFERT, Michael, STAMPS, Frank Brad, PARHAM, Thomas, GAY, Frederick, S, CHOI, Jouyoung, Jason, KIZHAKKEPAT, Amarjit Olenchery, SMITH, Michael
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A vibration attenuator (301) for attenuating vibrations in a mast of an aircraft is disclosed. The vibration attenuator comprises a first spinner (215) configured for rotation about a first axis; a first mass (307) coupled to the first spinner for rotation therewith, the first mass being movable radially relative to the first axis between an inner position and an outer position; an actuator (311) coupled to the first mass for selectively controlling a radial location of the first mass relative to the axis; and a first motor for driving the first spinner in rotation about the first axis.