MAST DAMPENER FOR A ROTORCRAFT

Tension torsion strap of a rotor head of a rotary wing aircraft

Drone arms locking/deployment mechanism

TENSION TORSION STRAP WITH ARCHED WINDING PATTERN

BIASED TENSION-TORSION STRAP

Rotor blade assembly for bearingless rotor

Pitch crank assembly with spherical bearings

Aerial vehicle with tape spring arms

Rotor centrifugal force retention device

Dual flex-beam assembly for folding rotor blade

Structurally tunable cores

Tension-torsion strap

Mast Dampener and Collective Pitch for a Rotocraft

Bushing alignment system

Adaptable rotor control system for a variable number of blades

Rotor hub

Multi-piece inboard-beam

Tri-hybrid yoke

Hybrid yoke

Rotor assembly for a rotorcraft with torque controlled collective pitch

Elastic torsion element for connecting a rotor blade to a rotor hub of a rotor

Elastic flapping hinge for connecting a rotor blade to a rotor hub of a rotary wing aircraft

Adaptable rotor control system for a variable number of blades

Vibration absorbing device for flexbeams

Composite rotor system using two race track style cantilevered yokes

Rotor blade snubber retainer for a rotary wing aircraft

Rigid rotor head with tension torsion (TT) strap retention

Rotor assembly with high lock-number blades

Soft-in-plane proprotor systems

Loop yoke for proprotor systems

Tension torsion strap

Multi-blade rotor for a rotary wing aircraft

Air wheel rotor, a gyro stabilized aircraft and a wind-driven power generator using the air wheel rotor, and a stationary launching device

Hub separation in dual rotor rotary wing aircraft

Electric propulsion system for a rotary wing aircraft

Collective to elevator mixing of a rotary wing aircraft

Fiber orientation to allow for automated ply placement with composite rotor yokes

DIFFERENTIAL PRE-CONE ROTARY WING ARRANGEMENT AND AIRCRAFT

Main rotor rotational speed control for rotorcraft

Composite laminate tooling and method of forming a composite part using the tooling

Rotorcraft rotor and propeller speed

Gearbox for a dual rotor, rotary wing aircraft

Single collective stick for a rotary wing aircraft

Lift offset control of a rotary wing aircraft

Independent control for upper and lower rotor of a rotary wing aircraft

Dual rotor, rotary wing aircraft

Flex beam for rotor assembly

Tip clearance measurement of a rotary wing aircraft

Flex beam clamp for rotor assembly

Light weight rigid rotor with blade fold capability

Composite rotor system using two race track style cantilevered yokes

Rotor hub for rotary wing aircraft

Rotor head for a vertical takeoff and landing aircraft

Flexbeam rotor attachment to rotor blade

Bar of composite matrix material

Rotor yoke and method of making the same

Vibration absorbing device for flexbeams

Embedding fiber optic cables in rotorcraft composites

Flexbeam unit with at least one twisted flexbeam element

Erosion protection sleeve

Flexbeam unit for a bearingless or a hinge- and bearingless multi-blade rotor of a rotary wing aircraft

Flexbeam unit for a bearingless or a hinge and bearingless multi-blade rotor of a rotary wing aircraft

Flexbeam unit for a hingeless or a hinge and bearingless multi-blade rotor of a rotary wing aircraft

Stiff-in-plane rotor configuration

Beam for a rotorcraft rotor and rotorcraft rotor

Drive link for tiltrotor rotor system

Composite flexure for tiltrotor rotor system

Flexbeam rotor attachment to rotor blade

Flexbeam to rotor blade interface

Composite rotor system using two race track style cantilevered yokes

Fiber orientation to allow for automated ply placement with composite rotor yokes

Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping

High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes

Low shear modulus transition shim for elastomeric bearing bonding in torsional applications

Rotor system shear bearing

Partly cruciform flexbeam and method of manufacturing such a flexbeam

Separable blade attachment for a bearingless rotor of a helicopter

Aerodynamic blade attachment for a bearingless rotor of a helicopter

Connection joint for attaching an airfoil blade to a helicopter's bearingless main rotor

Blade attachment for a bearingless rotor of a helicopter

Vibration absorbing device for flexbeams

Offset stacked yoke hub for tiltrotor aircraft

Attachable elastomeric pad

Hub assembly with grease lubricated roller bearing and tension-torsion strap

Low offset hingeless rotor with pitch change bearings

Rotor with blades including outer blade shell and inner structural member

PLANAR FLEXBEAM UNIT

Vertical take-off and vertical landing gyroplane

Rotor yoke and method of making the same

Flexbeam rotor

Rotor blade with control tube

Method for connecting a tension-torsion strap

Yoke and bearing fitting assembly for rotors

Stiff-in-plane rotor configuration

Elastomeric bearing system motion limiter

Blade with adaptive twisting, and a rotor provided with such a blade

Method of making a rotor yoke and rotor yoke thereof

Rotor wing with integrated tension-torque-transmission element and method for its production

Tension-torque-transmission element for a fenestron blade and method for producing it

Multi-bladed rotor system for rotorcraft

Helicopter rotor yoke and method of making same

Method for connecting a tension-torsion strap

Sculptured throat spool

Yoke with notched arm roots

Bearingless rotor blade assembly for a high speed rotary-wing aircraft

Assembly for providing flexure to blade system

Fluid-elastomeric damper assembly including internal pumping mechanism

Rotorcraft rotors having twistable blades

Rotor and gyrocopter with said rotor

Hingeless rotor provided with plate-shaped rotor head element and a rotorcraft provided with said rotor

Non-articulated rotor and rotorcraft comprising a rotor of this type

Twist element for a bearingless rotor

Rotor, rotocraft comprising a rotor of this type and method for adjusting the blade angle of a rotor

Assembly for providing flexure to blade system

Fluid-elastomeric damper assembly including internal pumping mechanism

Teetering rotor yoke with pitched arms

Systems, methods and apparatus for multi-arm expansion

Helicopter rotor yoke