Method for de-icing the rotor blades of a helicopter and device for performing the method on the helicopter

摘要

The method involves performing deformation of frozen-surfaces (12) of rotor blades (1) with certain frequency by planar actuators (5, 6) in order to remove ice from the frozen-surfaces, where the frequency is greater than rotational frequency of the rotor blades. The rotor blades are twisted during deformations of frozen-surfaces with the actuators around longitudinal axes (9) of the actuators. Torsional resonance vibrations of the rotor blades are stimulated with the actuators, where the actuators are integrated in layers (4) of the rotor blades. An independent claim is also included for a device for defrosting rotor blades of a helicopter.