Ebene Flexbeam-Einheit

Details

Veröffentlichungs-Nr.

EP2554475

Aktenzeichen

EP11400040

Anmeldetag

4. August 2011

Veröffentlichung

23. März 2016

Erteilung

23. März 2016

Rechtsraum

EP

IPC

B64C27/33

Abstract

The invention relates to a planar flexbeam unit (1, 40) as interface between a rotor shaft (2) and a multi-blade rotor, especially for a multi-blade main rotor of a helicopter. The planar flexbeam unit (1, 40) comprises a plurality of essentially planar torque arms (3 - 7, 41 - 46), each torque arm (3 - 7, 41 - 46) having essentially a concave profile (8) along its radial extension and being integral with its adjacent torque arms (3 - 7, 41 - 46). Each of said torque arms (3 - 7, 41 - 46) comprises two bundles (10 - 14) of straight, essentially uni-directional fibers agglomerated by a hardened synthetic resin and arranged along the essentially concave profile (8) along its radial extension. Each of said bundles passing into two essentially opposed torque arms (3 - 7, 41 - 46) without remarkable change of direction.

Anmelder

Firmen

AIRBUS HELICOPTERS DEUTSCHLAND GmbH
Eurocopter Deutschland GmbH

Land

🇩🇪 Deutschland

Fachgebiete