72147 ⎘
Rotorcraft; Rotors peculiar thereto; Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement Means acting on blades
Sub-classes:Cable Tilt Actuator for an Aircraft
#2HYBRID PITCH BEARING FOR RIGID ROTOR
#3HELICOPTER ROTOR HEAD STRUCTURE
#4COLLECTIVE CONTROL USING VERTICAL VELOCITY
#5BLADE POSITION CONTROL SYSTEM
#6VARYING A PITCH OF A TILTROTOR
#7SYSTEMS AND METHODS FOR VERTICAL TAKEOFF AND LANDING VEHICLE WITH STATOR STABILIZATION
#8FIXED WING ROTORCRAFT
#9Compliant helicopter rotor pitch link
#10FLIGHT-ENABLED SIGNAL BEACON
#11CONTROL DEVICE, AIRCRAFT, AND CONTROL METHOD
#12Rotary-wing vehicle, and rotary-wing turbine
#13ANTI-TORQUE ROTOR FOR A HELICOPTER
#14ANTI-TORQUE ROTOR FOR A HELICOPTER
#15Anti-Backlash Flight Control Actuator System
#16ROTOR SYSTEM WITH BELT DRIVEN PROPULSION AND STOWING
#17Cable tilt actuator for an aircraft
#18Rotary wing air vehicle
#19HELICOPTER FORCE FEEDBACK SYSTEM
#20Rotor system with belt driven propulsion and stowing
#21MAST DAMPENER FOR A ROTORCRAFT
#22Rotor assembly connectable to rotor hub and having pitch control
#23SYSTEMS AND METHODS FOR IMPROVED ROTOR ASSEMBLY FOR USE WITH A STATOR
#24Rotor blade pitch trajectory control
#25HIGH-SPEED, VERTICAL TAKE-OFF AND LANDING AIRCRAFT
#26Cyclic pitch angle adjustment apparatus
#27Anti-torque rotor for a helicopter
#28CONTROL SYSTEM FOR CONTROLLING AT LEAST ONE PROPELLER OF A COMPOUND ROTORCRAFT, ASSOCIATED COMPOUND ROTORCRAFT AND CONTROL METHOD
#29Motor unit and aircraft
#30Individual blade control system for rotorcraft
#31Unmanned Aerial Drone Crane
#32Flight-enabled signal beacon
#33Flap drive device and blades of rotary-wing aircraft
#34Tip gap control systems with active blade tips
#35Pitch change linkage
#36Rotor for a hover-capable aircraft and related method of control
#37Rotor for a hover-capable aircraft and related method of control
#38Fail-operational VTOL aircraft
#39Linear actuator
#40Light communication slip ring
#41Electromechanical actuator for setting a collective offset for a helicopter on a blade-specific basis
#42Free propeller assembly structure and aircraft structure having the same
#43System and method for rotorcraft autorotation entry assist
#44Systems and methods for reducing noise based on effective rotor area relative to a center of rotation
#45Lubricant level sensing for an actuator
#46Systems and methods for maintaining levitation of a rotor relative to a stator
#47Systems and methods for controlling lift using contra-rotating rotors
#48Systems and methods for dynamically triggering independent stator coils to control pitch of a rotor blade
#49Cyclorotor thrust control, transmission and mounting system
#50Systems and methods for independent pitch control of rotor blades of rotor assembly to achieve directional control
#51Systems and methods for improved rotor assembly for use with a stator
#52Systems and methods for drive control of a magnetically levitated rotor
#53Device for directly controlling a blade by means of an electromechanical actuator
#54Active counterweight for main rotor
#55Unmanned aerial vehicle
#56Mast Dampener and Collective Pitch for a Rotocraft
#57Propelling system with variable aerodynamic controls
#58Electric powered direct drive rotor motor with integrated mechanical flight control
#59Cooling system for heat generating components in a fairing
#60Passive pitch angle adjustment apparatus
#61Servo, control method, and unmanned aerial vehicle
#62System and method for rotorcraft autorotation entry assist
#63Foldable rotor blade assembly and aerial vehicle with a foldable rotor blade assembly
#64Rotor for a hover-capable aircraft and related method of control
#65System for transmitting and processing data for controlling a rotor blade actuator
#66Swash plate system for helicopter rotor
#67Rotor hub with blade-to-blade dampers attached to the pitch change axis
#68Summing and fault tolerant rotary actuator assembly
#69A ROTOR SYSTEM AND AN AIR VEHICLE EQUIPPED WITH SUCH ROTOR
#70Proprotor flapping control systems for tiltrotor aircraft
#71Cooling system for rotor blade actuators
#72Pitch horn assembly
#73Use of individual blade control on a propeller or rotor in axial flight for the purpose of aerodynamic braking and power response modulation
#74ROTOR BLADE STRUCTURES
#75Rotor assembly apparatus
#76Pitch control device for a ducted tail rotor of a rotorcraft
#77Teetering rotor hub system
#78ROTOR DAMPERS
#79VTOL ROTOR ASSEMBLY WITH STOWABLE BLADES
#80Thrust-generating rotor assembly
#81Main rotor trim tab retention system, an aircraft employing same and a method of replacing a trim tab assembly from blade housing
#82Lubricant level sensing for an actuator
#83Rotor assembly with high lock-number blades
#84Method of manufacturing a control cuff for a rotor blade of a hinge and bearingless rotor
#85COMPLIANT STRUCTURE DESIGN FOR VARYING SURFACE CONTOURS
#86Systems for shape memory alloy structures
#87Rotor blade system
#88Helicopter
#89Ganged servo flight control system for an unmanned aerial vehicle
#90Rotor phase control
#91MAST DAMPENER AND COLLECTIVE PITCH FOR A ROTORCRAFT
#92Self-latching piezocomposite actuator
#93Electro-hydraulic on-blade actuation system
#94Rotor assembly apparatus
#95Individual blade control utilizing pneumatic muscles
#96ROTOR OF AN AIRCRAFT COMPRISING A HELICAL ACTUATOR
#97Anti-drive mechanism for rise and fall rotating control systems
#98Methods and apparatus to control pitch and twist of blades
#99Actuator lock
#100Mission-adaptive rotor blade with circulation control
#101Coaxial rotor low-speed mixing
#102Rotor drive system
#103Compliant structure design for varying surface contours
#104Cyclic blade speed control
#105Rotor hub for a rotorcraft
#106Adaptively-twistable blade, and an aircraft including such a blade
#107Actuation system for an active blade element of a rotor blade
#108Coaxial rotor yaw control
#109Swashplateless coaxial rotary wing aircraft
#110Flexbeam hinge for helicopter blade active trailing edge flap
#111Integration of rotary electrical actuator for swashplateless individual blade control
#112Vibration control of a swashplateless coaxial rotor
#113Harmonic data transfer in rotary wing aircraft
#114Swashplateless active blade pitch control with a mechanical delta-3 restraint having an instantaneous blade pitch-flap coupling response
#115System and method for reducing rotor blade noise
#116Rotor blade with control flap
#117Radial fluid device with variable phase and amplitude
#118Radial fluid device with multi-harmonic output
#119Actuator arrangement and control surface arrangement, especially for an aircraft
#120Electromechanical linear actuator for in blade rotor control
#121Independent blade control system with hydraulic cyclic control
#122Independent blade control system with rotary blade actuator
#123Independent blade control system with hydraulic pitch link
#124Dry lubricated linear actuator for in blade rotor control
#125High speed compound rotary wing aircraft
#126Multi-element rotor blade
#127Enhanced performance rotorcraft rotor blade
#128Mission-adaptive rotor blade with circulation control
#129Active twist hollow beam system
#130Reconfigurable rotor blade
#131System for heat dissipation from an internal actuator in a rotor blade
#132Rotary wing blade, rotor comprising at least two of such blades and method to implement such a rotor
#133Mission-adaptive rotor blade
#134Implementation of Kalman filter linear state estimator for actuator equalization
#135Rotor blade with integrated passive surface flap
#136Cyclic blade speed control apparatus and method
#137Fluidic artificial muscle actuation system for trailing-edge flap
#138ROTARY WING BLADE, A ROTARY WING INCLUDING SUCH A BLADE, AND AN AIRCRAFT
#139Mechanical system for high acceleration environments
#140Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
#141Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
#142ROTOR BLADE FOR ROTARY WING AIRCRAFT HAVING DEFORMABLE PROTRUSIONS TO REDUCE BLADE VORTEX INTERACTION NOISE
#143Method of reducing or even eliminating the vibration of a rotorcraft lift and propulsion rotor, and an airfoil assembly and a rotor implementing said method
#144Device which is subject to fluid flow
#145Strain energy shuttle apparatus and method
#146Compliant structure design of varying surface contours
#147Swashplateless helicopter blade actuation system
#148Yaw control system and method
#149Brushless direct current (BLDC) motor based linear or rotary actuator for helicopter rotor control
#150Elastomeric bearing with heatable shims
#151Rotorcraft blade provided with a tiltable flap
#152Rotorcraft blade provided with a tiltable flap and a fastener tongue
#153Apparatus and methods for structurally-integrated conductive conduits for rotor blades
#154Active control of airfoils
#155Strain energy shuttle apparatus and method
#156Rotor system for electrically powered rotorcraft
#157Helicopter with coaxial counter-rotating roller driven rotors
#158Anti-sound production using adjustable propeller blades
#159Pneumatically actuated trim tab system on a rotating blade
#160Adjustable propeller blade with sound flaps
#161Adjustable propeller blades for sound control
#162Helicopter with blade-tip thrusters and annular centrifugal fuel supply tank and concentric cabin and fuselage
#163Blade root attachment apparatus and method
#164Anemometer drive apparatus and method