COMPACT PROPELLER BLADE RETENTION ASSEMBLY

HYBRID PITCH BEARING FOR RIGID ROTOR

Inner member for main rotor centrifugal force bearing

ROTOR HUB SYSTEMS AND METHODS

COMPACT PROPELLER BLADE RETENTION ASSEMBLY

Journal bearings

Anisotropic magneto-resistive sensor flap measuring systems

Rotor blade non-counterbored retention assembly via a sliding clamped bushing

Spring-integrated rotors

Elastomeric Bearing Monitoring System

Rotor system

Rotorcraft lockout during transport

Spherical bearing centrifugal force retention link

Light-weight, elastic teeter bearing for a rotor and aircraft housing such bearing

Rotor assemblies for rotorcraft

BIASED TENSION-TORSION STRAP

Centrifugal force bearing with piezo clutch

Single Hooke's joint with spherical mast attachment

Hub with integral elastomeric bearing

Elastomeric double Hooke's joint

Bearing for axial stiffening

Rotor hub assembly with universal joint

Tension-torsion strap

Bearing for axial stiffening

Hybrid elastomeric self-lubricated bearing

Rotor hub

Tri-hybrid yoke

Hybrid yoke

Combination elastomeric and ellipsoidal plain bearing

Rotor Hub with Blade-to-Blade Dampers and Axisymmetric Elastomeric Spherical Bearings

Rotor hub with structural reinforcements

Rotor Assembly with High Lock-Number Blades

Low moment rotor hub

Rotorcraft centrifugal force bearing

Rotorcraft centrifugal force bearing

Rotor hub assembly with universal joint

Tilting coaxial rotor for a rotary wing aircraft

Articulated rotor systems with pitch independent damping

Composite rotor system using two race track style cantilevered yokes

Rotor blade snubber retainer for a rotary wing aircraft

Rotor hub elastomeric bearings

Rotor assembly with high lock-number blades

Rotor hub bearing system

Soft-in-plane proprotor systems

Soft-in-plane proprotor systems

Loop yoke for proprotor systems

Rotor blade having variable twist

Axial springs for rotor hub assembly

INSTRUMENTED FLEXIBLE LOAD BEARING CONNECTOR

Lead-lag damper integrated inside a blade of a rotor

Non-contact infrared temperature sensor for health monitoring of rotorcraft bearings

Articulated main rotor hub with inwardly CF bearing and 3% flapping hinge offset

Rotorcraft elastomeric bearing assembly

Elastomeric bearing with tab for thermocouple and system for use

Abrasion resistant pivot bearing

Directional stiffness bearing sleeve assembly for rotor systems

Cylindrical elastomeric bearing with tapered shims

Soft in-plane and stiff out-of-plane rotor system

Gimbaled tail rotor hub with spherical elastomeric centrifugal force bearing for blade retention and pitch change articulation

Negative spring compensation for elastomeric bearing torque

ROTARY WING AIRCRAFT INSTRUMENTED MOTION CONTROL BEARINGS

Composite rotor system using two race track style cantilevered yokes

Aircraft rotor assembly with composite laminate

Rotor hub for rotary wing aircraft

Rotor hub for rotary wing aircraft

Rotary wing aircraft bearing for rotary wing aircraft motions

Rotor hub bearing system

ROTOR BLADE COUPLING DEVICE OF A ROTOR HEAD FOR A ROTARY-WING AIRCRAFT

Torque transfer system for a rotorcraft

Rotorcraft bearing with rotation slip joint

ROTOR BLADE COUPLING DEVICE AND ROTOR HEAD

Elastomeric bearing having tapered layers

Stiff inplane elastomeric rotorhead

Modular rotor craft rotor hub system

Hybrid fluid elastomeric damper

Articulated main rotor hub with inwardly CF bearing and 3% flapping hinge offset

Bearing arrangement with a first bearing layer and a second bearing layer

Rotorcraft elastomeric bearing assembly

Rotorcraft rotor having a flapping abutment mechanism, and a rotorcraft

Cyclic blade speed control

Constant velocity drive for tilt rotor assembly

Rotor hub for a rotorcraft

Stiff-in-plane rotor configuration

Beam for a rotorcraft rotor and rotorcraft rotor

Rotor hub elastomeric bearing

ROTOR HUB FOR A ROTORCRAFT

Drive link for tiltrotor rotor system

Pitch bearing

Rotor position determination system with magneto-resistive sensors

Hybrid sliding element and elastomeric bearing

Low drag rotor system

Composite rotor system using two race track style cantilevered yokes

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

Soft in-plane and stiff out-of-plane rotor system

Gimbaled tail rotor hub with spherical elastomeric centrifugal force bearing for blade retention and pitch change articulation

Hybrid fluid elastomeric damper

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

Aircraft with electrically conductive nanocoating

Aircraft with protective nanocoating

Rotor system shear bearing

Wear-indicating bearing and method

Rotor position determination system with hall-effect sensors

Elastomeric bearing housing and mating grip for helicopter rotor system

Rotorcraft rotor fitted with lead-lag dampers housed in sleeves connecting blades to a hub of the rotor

Device for monitoring the flapping and/or lag behavior of a blade of a rotorcraft rotor

Offset stacked yoke hub for tiltrotor aircraft

Compact rotorcraft dual-element spherical elastomeric centrifugal-force bearing assembly

Hub assembly with centrifugal and radial bearings

Bearing restraint for rotor systems

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

Rotor hub bearing system

Elastomeric bearing with tapered shims

Low offset hingeless rotor with pitch change bearings

Temperature adaptive fluid damping system

Rotor hub for use with high-inertia blades

Spherical elastomeric bearing with improved shim thickness

Rotor damper device, and an associated rotor and aircraft

ROTARY WING AIRCRAFT INSTRUMENTED MOTION CONTROL BEARINGS

Dual spring rate damper

Rotor blade coupling device and rotor head

Cyclic blade speed control apparatus and method

Stiff-in-plane rotor configuration

Lead stop for rotor system with fluid-elastomeric lead/lag damper

Elastomeric bearing system motion limiter

Elastomeric high capacity laminated rotary wing aircraft bearing for rotary wing aircraft

FLUID-ELASTOMERIC DAMPER ASSEMBLY INCLUDING INTERNAL PUMPING MECHANISM

Distributed-mass device for reducing vibration generated by a rotorcraft lift rotor, and a rotor hub fitted with such a device

Concentrated-mass device for reducing vibration generated by a rotorcraft lift rotor, and a rotor hub fitted with such a device

Blade provided with a drag damper, and a rotor provided with such a blade

Fluid elastomeric damper assembly including internal pumping mechanism and volume compensator

CF bearing with steady pitching moment

Helicopter rotor

Helicopter rotor

Helicopter rotor

Rotary-wing aircraft torque coupling with pad bearings

Spherical elastomeric bearing with improved shim thickness

Low maintenance stiff in plane gimbaled rotor head

Uniform fatigue life spherical elastomeric bearing

Soft in-plane tiltrotor hub

To rotorcraft rotors fitted with inter-blade dampers

Fluid-elastomeric damper assembly including internal pumping mechanism

Rotor system with pitch flap coupling

Blade having an integral cuff, and a rotorcraft rotor provided with such a blade

Fluid-elastomeric damper assembly including internal pumping mechanism

Dual spring rate damper

Helicopter rotor

Elastomeric bearing with modified cylindrical core

Fluid-elastomeric damper assembly including internal pumping mechanism

Elastomeric bearing system

Elastomeric member provided with monitoring means

Laminated bearing assembly with differing shim thicknesses