72168 ⎘
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 Electrically driven tail rotors
ROTORCRAFT WITH ANTI-TORQUE AIR SYSTEM AND TAIL ROTOR(S)
#2HYBRID POWER SYSTEMS FOR DIFFERENT MODES OF FLIGHT
#3Hybrid power systems for different modes of flight
#4Short takeoff and landing vehicle with forward swept wings
#5Nonlinear fly-by-wire aircraft control
#6DISTRIBUTED PROPULSION STRUCTURE
#7Aircraft thermal management system
#8Preventing helicopter loss of tail rotor effectiveness
#9Airframe protection systems for use on rotorcraft
#10Power management systems for electrically distributed yaw control systems
#11Tail rotor balancing systems for use on rotorcraft
#12Rotorcraft quiet modes
#13Rudders for rotorcraft yaw control systems
#14Tail rotor configurations for rotorcraft yaw control systems
#15Gas generator speed limit and power recovery
#16Nonlinear fly-by-wire aircraft control
#17Rotor break effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor
#18Short takeoff and landing vehicle with forward swept wings
#19Anti-torque control using fixed blade pitch motors
#20Electric distributed anti-torque architecture
#21Rotorcraft having an electric drive for driving a main and/or tail rotor of the rotorcraft
#22Hybrid power systems for different modes of flight
#23Redundant drive train for pylon mounted rotors
#24Tilting mechanism with telescoping actuator
#25Compound helicopters having auxiliary propulsive systems
#26Clevis assembly with bearing device in operable communication with a translating element, and fail-safe tail rotor system including the same
#27Assembly and method for helicopter anti-torque
#28Variable speed transmission and related methods
#29Hybrid power systems for different modes of flight
#30Redundant drive train for pylon mounted rotors
#31Short takeoff and landing vehicle with forward swept wings
#32Light communication slip ring
#33Anti-torque systems for rotorcraft
#34ELECTRICALLY-POWERED SWIVELING TAIL ROTOR SYSTEMS
#35Anti-torque control using fixed blade pitch motors
#36Compound helicopters having auxiliary propulsive systems
#37Rotating electric distributed anti-torque fin
#38Electric distributed propulsion with different rotor rotational speeds
#39HYBRID ROTOR PROPULSION FOR ROTOR AIRCRAFT
#40Anti-torque systems for rotorcraft
#41Multi-rotor Vehicle with Yaw Control and Autorotation
#42Quiet Redundant Rotorcraft
#43VERTICAL TAKE-OFF AND LANDING AIRCRAFT
#44Rotorcraft anti-torque systems and methods therefor
#45ROTARY WING AIRCRAFT WITH ENHANCED YAW CAPABILITY
#46TAIL ROTOR SYSTEM INCLUDING AN ELECTRIC MOTOR
#47Variable directional thrust for helicopter tail anti-torque system
#48Hybrid powered unmanned aircraft system
#49Electric powered direct drive rotor motor
#50Rotor brake effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor
#51Electric cold flow tipjet rotorcraft
#52Electric distributed propulsion anti-torque redundant power and control system
#53Anti-torque control using matrix of fixed blade pitch motor modules
#54Variable directional thrust for helicopter tail anti-torque system
#55AIRCRAFT AND METHOD OF ORIENTING AN AIRFRAME OF AN AIRCRAFT
#56Hub separation in dual rotor rotary wing aircraft
#57Collective to elevator mixing of a rotary wing aircraft
#58Main rotor rotational speed control for rotorcraft
#59Rotorcraft rotor and propeller speed
#60Gearbox for a dual rotor, rotary wing aircraft
#61Single collective stick for a rotary wing aircraft
#62Lift offset control of a rotary wing aircraft
#63Independent control for upper and lower rotor of a rotary wing aircraft
#64Dual rotor, rotary wing aircraft
#65Tip clearance measurement of a rotary wing aircraft
#66TAIL ROTOR DRIVE SYSTEMS
#67Multi-rotor vehicle with yaw control and autorotation
#68Rotary wing aircraft with a multiple beam tail
#69Hybrid power rotary wing aircraft
#70Aircraft propulsion architecture integrating an energy recovery system
#71Electrical powered tail rotor of a helicopter
#72Drive of a tail rotor of a helicopter
#73Front electric rotor helicopter
#74Tail rotor system and method for controlling a tail rotor system
#75Electric powered rotary-wing aircraft
#76Apparatus, system and method for a convertible thruster for a compound aircraft