Abstract

The invention relates to an aircraft, preferably a rotary-wing aircraft (1), in particular a gyrocopter, helicopter or multicopter, and/or a tilt-rotor convertiplane, having at least one rotor (2), which comprises at least two rotor blades (3, 4), and having at least one rotor head (15) which is rotatable about an axis of rotation (5) and, for accommodating the rotor blades (3, 4), has at least one rotor blade bearing (16), by means of which the rotor blades (3, 4) can flap about at least one flapping axis (17) such that a centre of gravity (20) of the rotor (2) remains in the region of the axis of rotation (5). According to the invention, the rotor blade bearing (16) is arranged outside the flapping axis (17).

IPC Classes  ?

• B64C 27/43 - Rotors having articulated joints with flapping hinge or universal joint, common to the blades see-saw type, i.e. two-bladed rotor
• B64C 27/02 - Gyroplanes

Goods & Services

Aircraft, In particular helicopters and gyrocopters; Parts and fittings for air vehicles, in particular for helicopters and gyrocopters; Fuselages [aircraft parts]; Rotor blades (parts for air vehicles). Repair and maintenance of: aircrafts, Especially Helicopters, Gyrocopters, related parts. Development, in relation to the followig goods: Aircrafts, Especially Helicopters and Gyrocopters, related parts.

Goods & Services

Aircraft, in particular helicopters and gyrocopters; parts and fittings for air vehicles, in particular for helicopters and gyrocopters; fuselages [aircraft parts]; rotor blades for helicopters and gyrocopters. Aviation insurance, in particular for helicopters and gyrocopters; aviation insurance consultancy; pilot protection insurance; air vehicle protection insurance; financial support for operating air vehicles. Maintenance and repair of air vehicles, in particular helicopters and gyrocopters. Providing of training and conducting of training courses relating to the maintenance and flying of air vehicles, in particular helicopters and gyrocopters. Development of air vehicles, in particular helicopters and gyrocopters.

Goods & Services

(1) Aircraft, in particular helicopters and gyrocopters; parts and fittings for air vehicles, in particular for helicopters and gyrocopters; fuselages being aircraft parts; rotor blades for helicopters and gyrocopters. (1) Aviation insurance, in particular for helicopters and gyrocopters; aviation insurance consultancy; pilot protection insurance; air vehicle protection insurance; financial support for operating air vehicles being commercial lending services. (2) Maintenance and repair of air vehicles, in particular helicopters and gyrocopters. (3) Providing of training and conducting of training courses relating to the maintenance and flying of air vehicles, in particular helicopters and gyrocopters. (4) Development of air vehicles, in particular helicopters and gyrocopters.

Goods & Services

Aircraft, in particular helicopters and gyrocopters; structural and replacement parts and fittings for air vehicles, in particular for helicopters and gyrocopters; fuselages being aircraft parts; rotor blades for helicopters and gyrocopters Aviation insurance brokerage services, in particular for helicopters and gyrocopters; aviation insurance consultancy; pilot protection insurance being insurance brokerage services; air vehicle protection insurance being insurance brokerage services; financial support for operating air vehicles being commercial lending services Maintenance and repair of air vehicles, in particular helicopters and gyrocopters Providing of training and conducting of training courses relating to the maintenance and flying of air vehicles, in particular helicopters and gyrocopters Development of air vehicles, in particular helicopters and gyrocopters being aircraft design

Goods & Services

Aircraft, In particular helicopters and gyrocopters; Parts and fittings for air vehicles, in particular for helicopters and gyrocopters; Fuselages [aircraft parts]; Rotor blades (parts for air vehicles). Aviation insurance, in particular for helicopters and gyrocopters; Aviation insurance consultancy; Pilot protection insurance; Air vehicle protection insurance; Financial support for operating air vehicles. Maintenance and repair of air vehicles, in particular helicopters and gyrocopters. Providing of training and conducting of training courses relating to the maintenance and flying of air vehicles, in particular helicopters and gyrocopters. Development of air vehicles, in particular helicopters and gyrocopters.

Abstract

The invention relates to an autogyro rotor blade for generating lift by autorotation, comprising a root-side inner profile region (9) which has a first profile (21c), a tip-side main profile region (10) which has a second profile (21e) different from the first profile (21c), and a profile depth curve (22) which decreases monotonically in the longitudinal direction of the autogyro rotor blade (1) from the region of the blade root (2) in the direction of the blade tip (3). According to the invention, the autogyro rotor blade (1) has a twist having a twist curve (23) which decreases monotonically from the region of the blade root (2) in the direction of the blade tip (3), wherein the twist curve (23) has a variable slope in the inner profile region (9) and/or main profile region (10), and therefore the twist curve (23) is concavely curved in this region (9, 10).

IPC Classes  ?

• B64C 27/02 - Gyroplanes
• B64C 27/467 - Aerodynamic features