72618 ⎘
Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
VTOL M-Wing Configuration
#2ELECTRIC DUCTED FAN PROPULSOR
#3OPEN ROTOR AIRCRAFT PROPULSION SYSTEM WITH MULTI-GEAR SYSTEM GEARTRAIN
#4VERTICAL TAKE-OFF AND LANDING AIRCRAFT
#5Propeller-enclosed airlifting air tube apparatus incorporating an airflow control dish-based steering unit
#6MOTOR UNIT AND FLYING OBJECT
#7AIRCRAFT PROPULSION SYSTEM WITH INTERMITTENT COMBUSTION ENGINE(S)
#8VTOL M-wing configuration
#9Electric ducted fan propulsor
#10MOTOR UNIT AND AIRCRAFT
#11MANNED AND UNMANNED AIRCRAFT
#12Aircraft having at least one propeller and a rotary wing provided with two rotors carried by two half-wings
#13Electrical propulsion unit for an aircraft and method for using such a propulsion unit
#14Aircraft
#15Electric propulsion architecture for a multi-rotor vertical take-off and landing aircraft and method for controlling such an architecture
#16Stacked propellers
#17Machine comprising a hybrid powertrain and corresponding control method
#18Hybrid propulsion systems
#19COAXIAL CONTRA-ROTATING CIRCUMFERENTIAL THRUSTER
#20Efficient low-noise aircraft propulsion system
#21VTOL M-wing configuration
#22Rotary wing aircraft with improved propulsion system
#23Reactionless free-spinning motor with dual propellers
#24Thrust vectoring coaxial rotor systems for aircraft
#25Land and aerial transportation vehicle and powertrain thereof
#26Ducted fans having fluidic thrust vectoring
#27Ducted fans having edgewise flow augmentation
#28Fluidic roll control systems for use in forward flight
#29Fluidic yaw control systems for use in hover
#30Coaxial split torque gearbox with sequential load distribution
#31Reactionless free-spinning motor with dual propellers
#32EFFICIENT LOW-NOISE AIRCRAFT PROPULSION SYSTEM
#33Counter rotating torque drive for rotary wing vehicle propulsion
#34Systems and methods for reducing noise based on effective rotor area relative to a center of rotation
#35Systems and methods for maintaining levitation of a rotor relative to a stator
#36HIGH-SPEED HYBRID PROPULSION FOR AIRCRAFT
#37Systems and methods for controlling lift using contra-rotating rotors
#38Systems and methods for dynamically triggering independent stator coils to control pitch of a rotor blade
#39Systems and methods for independent pitch control of rotor blades of rotor assembly to achieve directional control
#40Systems and methods for improved rotor assembly for use with a stator
#41Systems and methods for drive control of a magnetically levitated rotor
#42Turbomachine having inner and outer fans with hub-tip ratios
#43Aircraft turbine with counter-rotating propellers
#44TRANSVERSE FAN PROPULSION SYSTEM
#45Compressible driveshaft
#46Efficient low-noise aircraft propulsion system
#47Reduction gear with input/output rotation reversal
#48Manned and unmanned aircraft
#49Manned and unmanned aircraft
#50Combined fan and motor
#51Dual rotor propulsion systems for tiltrotor aircraft
#52VTOL M-wing configuration
#53Stacked propellers
#54Boom control effectors
#55Aft fan counter-rotating turbine engine
#56Combined fan and motor
#57Aircraft comprising a propulsion assembly including a pair of propellers at the rear of the fuselage
#58Manned and unmanned aircraft
#59Multi-rotor roto-craft flying machine
#60Aircraft comprising a propulsion assembly including a fan on the rear of the fuselage
#61Turbine engine with a pair of contrarotating propellers placed upstream of the gas generator
#62VTOL aerodyne with supporting axial blower(s)
#63Noise modes for rotary wing aircraft
#64Rotorcraft footprint
#65Hub separation in dual rotor rotary wing aircraft
#66Collective to elevator mixing of a rotary wing aircraft
#67Main rotor rotational speed control for rotorcraft
#68Rotorcraft rotor and propeller speed
#69Gearbox for a dual rotor, rotary wing aircraft
#70Single collective stick for a rotary wing aircraft
#71ROTARY-WING VEHICLE AND SYSTEM
#72Lift offset control of a rotary wing aircraft
#73Independent control for upper and lower rotor of a rotary wing aircraft
#74Dual rotor, rotary wing aircraft
#75Active vibration control of a rotorcraft
#76Tip clearance measurement of a rotary wing aircraft
#77Hub planetary belt transmission
#78Double propulsor imbedded in aircraft tail with single core engine
#79Rotor apparatus
#80Modular Electric VTOL Aircraft
#81Aircraft with counter-rotating turbofan engines
#82Torque split gearbox for rotary wing aircraft
#83Coaxial lifting system
#84Propulsion unit with a pair of propellers for an aircraft
#85Contra-rotating open rotor distributed propulsion system
#86Counter-rotating rotor system with stationary standpipe
#87Coaxial direct drive system having at least two primer movers linearly moveable along a drive support member
#88Contra-rotating open fan propulsion system
#89Torque split gearbox for rotary wing aircraft
#90Device with multiple reduction gear transmission between a drive shaft and a pair of propellers coaxial with this shaft
#91Electrical machine with two axial fans
#92Transverse mounted gas turbine engine
#93Mechanical transmission device for driving in rotation counter-rotating propellers of a dual-propeller turboprop
#94De-icing system for modular counter rotating propeller
#95Remote shaft driven open rotor propulsion system with electrical power generation
#96Drive mechanism for a pair of contra-rotating propellers through an epicyclic gear train
#97Device with counter-rotating propellers having a propeller pitch altering means
#98Mechanical arrangement
#99Counter rotating fan design and variable blade row spacing optimization for low environmental impact
#100Controlling propeller rotor overspeed
#101Variable pitch anti torque coaxial counter rotation bi-prop rotor
#102Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments
#103Two-cycle engine for counter-rotation especially for aviation applications
#104Aircraft
#105Low observable aircraft having a unitary lift fan
#106Manned and unmanned aircraft
#107Drone aircraft
#108Aircraft having circular body and blades