Soft in-plane and stiff out-of-plane rotor system

Soft in-plane and stiff out-of-plane rotor system

A rotor assembly (701) includes a yoke (705) operably associated with a rotor blade (715). The yoke (705) includes a first device (711) and a second device (713) that attach the rotor blade (715) to the yoke (705). The first device (711) is configured to allow transverse movement of the rotor blade...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: STAMPS, FRANK B, YUCE, MITHAT, SHUNDO, KEN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A rotor assembly (701) includes a yoke (705) operably associated with a rotor blade (715). The yoke (705) includes a first device (711) and a second device (713) that attach the rotor blade (715) to the yoke (705). The first device (711) is configured to allow transverse movement of the rotor blade (715) about a chord axis and rotational movement about a pitch-change axis. The second device (713) is configured to allow rotational movement of the rotor blade (715) solely about the pitch-change axis. The method includes rotating rotor assembly (701) about a first plane of rotation, while retaining a relatively stiff out-of-plane rotation and a relatively soft in-plane rotation during flight.