Rotor blade for a rotary wing aircraft

US8162607B2 · kind B2 · utility

Assignee

• Eurocopter Deutschland GmbH · DE

Inventors

• Boris Grohmann · Bouc-Bel-Air, FR
• Christoph Maucher · Munich, DE
• Andree Altmikus · Höhenkirchen-Siegertsbrunn, DE
• Stephan Mangelsdorf · Munich, DE

Key dates

• Filing date: Dec 8, 2006
• Grant date: Apr 24, 2012
• Expiry date: Mar 11, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T50/30
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A rotor blade including a rotor blade profile including a profile tip region, a profile trailing edge region including a trailing edge and a profile body having a profile core. A covering skin including an upper skin and a lower skin encase the profile core. A reversibly bendable flexural actuator including a first actuator end disposed at the trailing edge region of the rotor blade profile and a second actuator end projecting past the profile body toward the trailing edge. The second actuator end forms part of the trailing edge region and forms a movable rotor blade flap, the movable rotor blade flap being deformable into an arc-shaped rotor blade flap deflection upon a bending of the flexural actuator.