72173 ⎘
Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft Shrouded tail rotors, e.g. "Fenestron" fans
Rotary-Wing Aircraft Provided with at least one Multi-Plane Pitch Stabilizer
#2ROTORCRAFT WITH ANTI-TORQUE AIR SYSTEM AND TAIL ROTOR(S)
#3AIRCRAFT
#4A ROTORCRAFT WITH A TAIL BOOM AND AN INTEGRAL STABILIZER ARRANGEMENT
#5ROTORCRAFT WITH A TAIL BOOM HAVING A DUCT-TYPE PORTION
#6Rotorcraft with a ducted tail rotor supported by a stator
#7TAIL ROTOR HEAD OF A ROTARY WING AIRCRAFT AND BLADE HOLDER
#8Connection between a pitch control unit arm and a pitch horn
#9Rotor system for an aircraft
#10Rotary wing aircraft with a shrouded tail propeller
#11Rotorcraft provided with a yaw motion control system having a ducted rotor and an ice protection system
#12DISTRIBUTED PROPULSION STRUCTURE
#13Spherical bearing centrifugal force retention link
#14Rotary wing aircraft with a shrouded tail propeller
#15Aircraft, in particular a drone or an aircraft for personal air mobility, with high efficiency propeller rotors
#16Airframe protection systems for use on rotorcraft
#17Power management systems for electrically distributed yaw control systems
#18Tail rotor balancing systems for use on rotorcraft
#19Rotorcraft quiet modes
#20Rudders for rotorcraft yaw control systems
#21Tail rotor configurations for rotorcraft yaw control systems
#22Vertical take off and landing vehicle
#23Rotor break effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor
#24Anti-torque control using fixed blade pitch motors
#25Duct vane rotation system
#26DISTRIBUTED PROPULSION WITH THERMAL MANAGEMENT
#27Tail rotor gearbox support assemblies for helicopters
#28Clevis assembly with bearing device in operable communication with a translating element, and fail-safe tail rotor system including the same
#29Rotor with pitch control apparatus
#30Anti-torque systems for rotorcraft
#31Helicopter with an anti-torque system
#32Counter-rotating tail rotor
#33Rotor systems and methods
#34Anti-torque control using fixed blade pitch motors
#35Rotating electric distributed anti-torque fin
#36HYBRID ROTOR PROPULSION FOR ROTOR AIRCRAFT
#37Method and computer program for controlling tilt angle of main rotor on basis of pitch attitude control signal low-speed flight state, and vertical take-off and landing aircraft
#38Tail rotor gearbox support assemblies for helicopters
#39Ducted rotor stators
#40DUCT WITH INCREASED THRUST
#41Anti-torque systems for rotorcraft
#42BIDIRECTIONAL AIRCRAFT ROTOR
#43Multi-rotor Vehicle with Yaw Control and Autorotation
#44Rotorcraft anti-torque systems and methods therefor
#45ROTARY WING AIRCRAFT WITH ENHANCED YAW CAPABILITY
#46Tail rotor assembly
#47Tail rotor housing
#48Rotor systems and methods
#49Rotor support device, rotor, gas turbine engine, and aircraft
#50Rotorcraft anti-torque system
#51Rotor systems and methods
#52Shrouded rotary assembly from segmented composite for aircraft
#53Rotor brake effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor
#54Combined fan and motor
#55Rotorcraft anti-torque and directional control using a centrifugal blower
#56Pitch control device for a ducted tail rotor of a rotorcraft
#57Tilting ducted fan aircraft generating a pitch control moment
#58Rotorcraft variable thrust cross-flow fan systems
#59Anti-torque control using matrix of fixed blade pitch motor modules
#60Propeller diverter duct
#61Multi-rotor vehicle with yaw control and autorotation
#62Rotary wing aircraft with a multiple beam tail
#63Tail rotor device of a helicopter
#64Shrouded rotary assembly from segmented composite for aircraft
#65Advanced pitch stabilizer
#66ROTORCRAFT WITH AT LEAST ONE MAIN ROTOR AND AT LEAST ONE COUNTER-TORQUE ROTOR
#67Rotor drive system
#68Rotary wing aircraft with a tail shroud
#69Blade for a helicopter anti-torque device
#70Ducted rotor for an aircraft and a rotorcraft
#71Blade rotary assembly with aerodynamic outer toroid spoiler for a shrouded propulsion rotary assembly
#72Monocoque helicopter fuselage with integral tail boom
#73Empennage of a helicopter
#74Helicopter with a transverse duct
#75Rotor blade for a rotor of an aircraft designed to minimize noise emitted by the rotor
#76Electrical powered tail rotor of a helicopter
#77Torque compensation for a helicopter
#78Counter-torque device for a helicopter
#79Front electric rotor helicopter
#80Blade for a helicopter anti-torque device
#81Rotorcraft structural element for reducing aerodynamic drag
#82Tail jet apparatus and method for low speed yaw control of a rotorcraft
#83Tail fan apparatus and method for low speed yaw control of a rotorcraft
#84GYROPLANE PREROTATION BY COMPRESSED AIR
#85Method of optimizing a ducted anti-torque rotor of a rotorcraft, in particular a helicopter, to minimize acoustic annoyance, and a ducted anti-torque rotor obtained thereby
#86HELICOPTER
#87VECTORED THRUSTER AUGMENTED AIRCRAFT
#88Coaxial rotor aircraft
#89Aircraft provided with a silent shrouded rotor
#90Counter-torque device for a helicopter
#91METHOD FOR DAMPING REAR EXTENSION ARM VIBRATIONS OF ROTORCRAFT AND ROTORCRAFT WITH A REAR EXTENSION ARM VIBRATION DAMPING DEVICE
#92Translational thrust system for a rotary wing aircraft
#93Method for damping rear extension arm vibrations of rotorcrafts and rotorcraft with a rear extension arm vibration damping device
#94Method and apparatus for manufacturing a helicopter rotor fairing, and a fairing obtained thereby
#95Noise control system for a ducted rotor assembly
#96Convertible helicopter ring member