Rotorcraft; Rotors peculiar thereto

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

AIRCRAFT; AVIATION; COSMONAUTICS

Subclass:

AEROPLANES; HELICOPTERS

Related Keywords

Child Classifications

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• B64C 27/02 Gyroplanes
• B64C 27/04 Helicopters
• B64C 27/2 Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
• B64C 27/22 Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
• B64C 27/32 Rotors
• B64C 27/51 Damping of blade movements
• B64C 27/52 Tilting of rotor bodily relative to fuselage
• B64C 27/54 Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
• B64C 27/82 characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting-rotor torque or changing direction of rotorcraft