72154 ⎘
Rotorcraft; Rotors peculiar thereto; Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement; Means acting on blades on each blade individually, e.g. individual blade control [IBC] without flaps using higher-harmonic control [HHC] by controlling existing swash plate actuators
Proprotor flapping control systems for tiltrotor aircraft
#2Composite swashplate guide for rotorcraft control systems
#3Helicopter rotor load reduction and tip clearance control
#4Dual higher harmonic control (HHC) for a counter-rotating, coaxial rotor system
#5Ring cam and ring cam assembly for dynamically controlling pitch of cycloidal rotor blades