Thin-walled hollow variable-profile section, eg. aerofoil sections such as propeller blades

Thin-walled hollow variable-profile section, eg. aerofoil sections such as propeller blades

The profile (1) comprises anisotropic materials or structural elements (12,13) which are incorporated to obtain locally required profiles, and linear or torsional actuators to distribute forces evenly across the profile, or to direct forces into the elements. The elements, which can be eg. box secti...

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Bibliographische Detailangaben
Hauptverfasser: EHLERT, ULF-CARSTEN, 38118 BRAUNSCHWEIG, DE, BREITBACH, ELMAR, DR., 37075 GOETTINGEN, DE, BUETER, ANDREAS, 38102 BRAUNSCHWEIG, DE
Format: Patent
Sprache:eng ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:The profile (1) comprises anisotropic materials or structural elements (12,13) which are incorporated to obtain locally required profiles, and linear or torsional actuators to distribute forces evenly across the profile, or to direct forces into the elements. The elements, which can be eg. box sections with helical windings (14,15) oriented to cause change of curvature of the chord (4) under load so that radial tension causes torsional deflection in rotor blades.