Diagnostic method, system and device for a rotorcraft drive system

Braking systems for rotorcraft

Lubrication system with passive valve

Fluid distribution assembly having anti-clog inlet housing

Aviation device comprising a bearing structure and a rotating member equipped with fixing means which make it possible to fix at least one blade

Aircraft

Automated autorotation and pilot aiding system

Device and method for controlling an auxiliary engine suitable for supplying thrust power to the rotor of a helicopter

Power plant management system for dual engine helicopter in single engine operation mode

Hub separation in dual rotor rotary wing aircraft

Anti-vibration moment generating aircraft actuation system

Collective to elevator mixing of a rotary wing aircraft

Dual rotor, rotary wing aircraft

Main rotor rotational speed control for rotorcraft

Rotorcraft rotor and propeller speed

Gearbox for a dual rotor, rotary wing aircraft

Single collective stick for a rotary wing aircraft

Directional control system and method of providing directional control

ACOUSTIC SIGNATURE VARIATION OF AIRCRAFT UTILIZING A CLUTCH

Anti-clog lubricant distribution assembly

Hybrid propulsion system for a multi-engine aircraft

ROTARY-WING VEHICLE AND SYSTEM

Gearbox with passive lubrication system

Device and a method of controlling engagement between the engine and a main power transmission gearbox of an aircraft

Invertible aircraft

Lift offset control of a rotary wing aircraft

Independent control for upper and lower rotor of a rotary wing aircraft

Hybrid electric power drive system for a rotorcraft

Dual rotor, rotary wing aircraft

BLADE INDEXING OF A ROTARY WING AIRCRAFT

Active vibration control of a rotorcraft

Composite gearbox housing

Tip clearance measurement of a rotary wing aircraft

Drive shaft system hanger bearing

Rotation of disengaged rotor

Transmission for coaxial multi-rotor system

Aircraft component regime recognition

Gearbox oil cooling assembly

Propeller alignment devices

Rotorcraft and automatic landing system and method thereof

Helicopter

Helicopter with noise and vibration damping transmission mounting

Identification tags for tracking manufacturing of aircraft parts

Central-positioned pitch control device for a coaxial helicopter

Autorotative enhancement system

Gear and method of lubricating a gear

Mounting arrangement for mounting a gear box of a rotorcraft to a fuselage of a rotorcraft

Device for regulating the speed of rotation of a rotorcraft rotor, a rotorcraft fitted with such a device, and an associated regulation method

Power transmission system and an aircraft having a rotary wing

Device and method for measuring engine flow and monitoring air filter performance

Method of regulating a three-engined power plant for a rotary wing aircraft

Radially compliant quill shaft

Systems and methods for foldable arms

Helicopter with anti-torque system, related kit and methods

Method of regulating a three-engined power plant for a rotary wing aircraft

Method of activating an electric motor in a hybrid power plant of a multi-engined aircraft, and an aircraft

Composite and metal hybrid gear

Power transmissions having pericyclic motion converters

Magnetorheological fluid clutch apparatus and control systems

Rotor apparatus

Method for the delivery of lubricant to a rotorcraft gearbox

Multirotor flying vehicle

Multi-rotor personal air vehicle with a central lifting fan

Emergency stop for blades of drone

Twin-engined rotorcraft having a fuel supply installation for a power plant auxiliary power unit (APU)

Integrated gas turbine engine support and sensor

Rotor driving system

Rotating sealing systems

Small Flying Object

Method and device for driving rotor

Device for monitoring a power transmission system of an aircraft, an aircraft provided with the device, and the method used

Multi-plate clutch

Rotorcraft having electrical equipment for regulating electrical power supply to an engine on starting

Tail rotor actuation system

Damping device for a supercritical transmission shaft

Servo-control and an aircraft having such a servo-control

Flexbeam rotor attachment to rotor blade

Method of managing a power demand for the operation of a pilotless aircraft equipped with an internal combustion engine

Nanolevel dispersion of nanoparticles in hydrophobic materials

Torque split gearbox for rotary wing aircraft

Invertible aircraft

Compact structure for accessory gearbox of an aircraft turbine engine

Invertible aircraft

Triple circuit lubrication device with increased reliability for a main power transmission gearbox of an aircraft

Method of driving rotation of a rotorcraft rotor by anticipating torque needs between two rotary speed setpoints of the rotor

Hybrid power rotary wing aircraft

Lubrication system with passive valve

Electrified rotorcraft

Variable speed aircraft transmission

Autorotative enhancement system

SYSTEM FOR OPERATING HELICOPTER BLADES WITH COMPRESSED AIR

Torque transfer system for a rotorcraft

Passive rotor control mechanism for micro air vehicles

Rotating shaft damping with electro-rheological fluid

Monitor system for monitoring the starting of a rotary wing aircraft, an aircraft, and a method using the system

Aircraft and planetary gear systems

Rotorcraft and planetary gear systems

Starting of aircraft engine

Rotor Head of Remote Control Helicopter and Remote Control Helicopter

Rotor index sensor system

Modular power plant and an aircraft provided with a lift rotor

Helicopter drip pan apparatus and method of making and using such an apparatus

Speed control assembly and methods of using same

Asymmetric multirotor helicopter

Magnetorheological flight control clutch system

Gear geometry with fluid reservoir and fluid paths

Dual pressure control for a rotor brake actuator for vertical lift aircraft

Rotor drive system

PRESSURE JET PROPULSION SYSTEM

Magnetorheological rotorcraft actuator

Magnetorheological rotorcraft actuation system

Direct drive device for passively moving fluid

Auxiliary drive system for a helicopter

In-flight mechanically assisted turbine engine starting system

Power plant including a secondary engine for compensating for losses of power from main engines in a rotary wing aircraft

Planetary gear device

Method and configuration for an auxiliary power engine to deliver propulsive and/or non-propulsive energy in a helicopter architecture

Counter-rotating rotor system with stationary standpipe

Rotary wing aircraft having two main engines together with a less powerful secondary engine, and a corresponding method

Shaft mounted rotor brake

Rotor brake control system

Rotor brake with integrated impeller

Self scavenging gear shield

Contra-rotating open fan propulsion system

Direct drive rotation device for passively moving fluid

Torque split gearbox for rotary wing aircraft

Gearwheel set, in particular for a gyroplane

Rotor system with torque-splitter assembly

Swashplateless coaxial rotary wing aircraft

Regulated three-engined power plant for a rotary wing aircraft

Vibration control of a swashplateless coaxial rotor

Mast-mounted aircraft generator

Hover-capable aircraft

Rotary wing aircraft with a hybrid power plant

Autorotative enhancement system

Lubrication system with passive drain valve

Radial fluid device with multi-harmonic output

Method of driving rotation of a rotorcraft rotor by anticipating torque needs between two rotary speed setpoints of the rotor

Disconnecting a rotor

Aircraft stabilization systems and methods of modifying an aircraft with the same

Method and a rotary wing aircraft having three engines

Power plant, an application of such a power plant and a method of operating such a power plant

Counter rotating facegear gearbox

Helicopter gearbox auxiliary cooling system

Passive cooling of transmission using mast mounted heat pipes

System and method for cooling a hover-capable aircraft transmission

System and method of augmenting power in a rotorcraft

Direct drive rotation device for passively moving fluid

Direct drive rotation device for passively moving fluid

Hybrid power supply architecture for supplying mechanical power to a rotor and managed from the on-board network of a rotorcraft

Asymmetrical single main rotor unmanned aerial vehicle

Aircraft Gearbox Lubrication System

Planetary de-rotation system for a shaft fairing system

Electrical power supply device for powering at least one piece of equipment of an aircraft rotor, and an aircraft

Device for monitoring the sealing of a rotorcraft transmission box by suction

Engine starting system for rotorcraft in flight

Propulsion and motion-transmission assembly, in particular for a rotary-wing aircraft

Electrical generator for rotating structure

Rotary wing aircraft propulsion system

Propulsion and motion-transmission assembly, in particular for a rotary-wing aircraft

Clutch system for rotary-wing aircraft with secondary thrust system

Epicyclic gear train for an aircraft capable of hovering

Electrical powered tail rotor of a helicopter

Power Rotor Drive for Slowed Rotor Winged Aircraft

Method of assisted piloting of a rotary wing aircraft having at least one propulsion propeller, an assisted piloting device, and an aircraft

Drive system for helicopters

Planetary gear for variable transmission

Non-lubricated architecture for a turboshaft engine

Starting of aircraft engine

Hybrid aircraft having a rotary wing

Self-Healing Reservoir Coating System

Planetary gear train and corresponding production method

Load split mechanism for gear transmission

Gear transmission load sharing mechanism

Tilt rotor vertical take-off aircraft - K

Helicopter drip pan apparatus and method of making and using such an apparatus

Epicyclical gear transmission with improved load carrying capability

Dismountable helicopter

Special personal electric helicopter device with integral wind turbine recharging capability

Gearbox with passive lubrication system

Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof

Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof

Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof

Rotor assembly for a rotorcraft

Helicopter rotor control system

Rotor driven auxiliary power apparatus and method

Split-torque gear box

Mechanical assembly provided with means for monitoring for a structural anomaly, a gearbox provided with such a mechanical assembly, and a method of monitoring for a structural anomaly

Tilt rotor aircraft with tilting tail rotor—TT

Planetary reduction gearbox

Counter rotating facegear gearbox

ROTATING WING AIRCRAFT WITH TIP-DRIVEN ROTOR AND ROTOR-GUIDE RING

Power plant, a helicopter including such a power plant, and a method implemented by said power plant

Compound aircraft with autorotation

Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof

PLANETARY GEAR SYSTEM

Planetary de-rotation system for a shaft fairing system

Tilt rotor vertical take-off aircraft - J

Powerplant and a method of driving a mechanical system via said powerplant

Helicopter rotor comprising a vibration damper, and method for updating the same

Composite-steel hybrid mast for rotorcraft

HELICOPTER

Vibration-attenuating hard-mounted pylon

Drive device for driving first and second lift rotors of a rotorcraft having twin rotors in tandem

Variable speed transmission for a rotary wing aircraft

Vertical take-off tilt rotor aircraft

Lubrication system with prolonged loss of lubricant operation

Tambourine helicopter

Power transmission gearbox presenting a modifiable speed of rotation at its outlet, and a corresponding method of operation

ROTORCRAFT FITTED WITH TURBINE ENGINES

De-rotation system suitable for use with a shaft fairing system

Helicopter transmission

Helicopter with an auxiliary lubricating circuit

Split torque geared power transmissions with composite output shafts

Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft

Mechanical transmission system with a magnetic damper for a rotorcraft

Rotor brake for a rotary-wing aircraft

Rotatable duct type shrouded rotating wing

Variable speed transmission for a rotary wing aircraft

De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing

Rotor hub fairing system for a counter-rotating, coaxial rotor system

Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft

Vertical take-off aircraft - F

Vertical take-off aircraft - P

Aerodynamically stable, VTOL aircraft

Variable speed transmission for a rotary wing aircraft

Rotor drive and control system for a high speed rotary wing aircraft

Rotor hub fairing system for a counter-rotating, coaxial rotor system

Vertical take-off aircraft - E

Rotary vane engine and thermodynamic cycle

Rotating wing aircraft with tip-driven rotor and rotor guide-ring

Quiet vertical takeoff and landing aircraft using ducted, magnetic induction air-impeller rotors

Vertical take-off aircraft—C

Brake device for the rotor of a helicopter or the like, associating a main brake mechanism having a disk and a secondary brake mechanism for use in strong wind

Split torque gearbox

High ratio, reduced size epicyclic gear transmission for rotary wing aircraft with improved safety and noise reduction

Lubricating installation for rocking power transmission box

Split-torque gear box

System and method for managing electric motor propulsion command limits on a hybrid rotorcraft

Parallel hybrid electric vertical takeoff and landing aircraft

Helicopter with coaxial counter-rotating roller driven rotors

Sealing variable guide vanes

Flight module for an aerial vehicle

Remotely controlled co-axial rotorcraft for heavy-lift aerial-crane operations

Emergency landing using inertial sensors

Remotely controlled co-axial rotorcraft for heavy-lift aerial-crane operations

Twin-engine rotorcrafts and load power sharing control systems thereof and methods for load power sharing control

Multirotor aircraft with enhanced yaw control

Hybrid electric power helicopter