Matches 1 - 27 out of 27


Match Document Document Title
8128367 Rotor blade for a bearingless rotor of a rotorcraft  
A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade...
7854590 Rotor blade visual lights  
A rotorcraft, such a helicopter or a tiltrotor aircraft, includes a light emitting device configured to provide light at a tip of a rotor blade. The light emitting device includes a light emitting...
7798442 Rotor assemblies having automatic blade folding systems  
A rotor assembly having a rotor hub, a plurality of yokes, and a plurality of swing arms is provided. The yoke depending from the rotor hub. Each swing arm is movably positioned on the rotor hub...
5628620 Main rotor system for helicopters  
A main rotor is provided for use in a rotary winged model aircraft. The main rotor includes a rotor hub assembly rotatable about a vertical axis and at least two main rotor blades. Each of the main...
4315713 Apparatus for generating energy from a flowing medium  
An apparatus for generating energy from a flowing medium comprises a frame with a rotatable rotor, being composed of two parallel wheels in between which blades are arranged, said rotor being so...
4076447 Water-power motor  
The invention relates to a water-power motor adapted to be driven by a rising and falling water surface, for instance the wave motion thereof. The novel features of the invention reside in that the...
3589835 VARIABLE STIFFNESS ROTOR  
A multibladed rotor having the blades connected to the hub by a hinge mechanism and having a variable stiffness spring extending between the hub and the blade across the hinge mechanism to vary the...
3448811 DEVICE FOR STABILIZING THE ROTOR BLADES OF A ROTARY WING AIRCRAFT  
3372758 Vibration absorber  
3321021 Lightweight folding rotor  
3310119 Rotor heads for rotary wing aircraft  
3310120 Rotor head fairing for articulated aircraft rotor  
3298443 Vibration absorbing system  
3292712 Rotor head  
3254724 Rotor mounting means  
3217811 Rotor head fairing for high speed vehicle  
3204700 Helicopter rotor hubs  
3199603 Curved rotor blades  
3147810 Restraining mechanism  
3144907 Helicopter rotor and method of making a blade member thereof  
3134444 Aircraft rotor-propeller  
3106963 Rotor for a helicopter  
3056456 Rotor head fairing  
3035644 Rotary wing or blade systems for helicopters  
2997110 Tandem rotor helicopter  
2863514 Rotary wing with shear pin mounting  
2818124 Helicopter blade mounting mechanism  
Matches 1 - 27 out of 27