Proprotor systems for tiltrotor aircraft

Proprotor systems for tiltrotor aircraft

A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub and independently change pitch. In...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Miller, Gary, Stamps, Frank Bradley, Rauber, Richard Erler, Parham, Jr., Thomas Clement, Ewing, Alan Carl, Choi, Jouyoung Jason
Format: Patent
Sprache:eng
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub and independently change pitch. In the airplane mode, the proprotor blades have a first in-plane frequency greater than 2.0/rev.