HYBRID ROTOR DRIVE SYSTEM AND HYBRID ROTORCRAFT

ASYMETRIC OPERATING REGIME MID-EXIT TYPE CHANGE SWITCHING/SELECTING CONTROL SYSTEM AND METHOD

SINGLE BOOST HYDRAULIC CONTROL SYSTEM WITH MAGNETORHEOLOGICAL ACTUATOR

Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft

System and Method for Monitoring Clutch Wear

METHOD FOR CONTROLLING A HYBRID POWER PLANT FOR A VEHICLE AND CONTROL ARCHITECTURE FOR SUCH A HYBRID POWER PLANT

SHAFT ASSEMBLY FOR SPLIT TORQUE GEAR BOX

Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft

CONTRA-ROTATING COAXIAL ROTOR ASSEMBLY

AIRCRAFT PROPULSION SYSTEM

MECHANICAL POWER TRANSMISSION SYSTEM, GEARBOX AND AIRCRAFT

An improved propulsion system for a helicopter

HYBRID-USE ROTARY-WING AIRCRAFT WITH ALIGNED DRIVETRAIN

BEARING RETENTION SYSTEM

PASS-THROUGH COUPLING SHAFT

Supplemental engine power control

SINGLE BOOST HYDRAULIC CONTROL SYSTEM WITH MAGNETORHEOLOGICAL ACTUATOR

Distributed propulsion system for vertical take off and landing closed wing aircraft

DISTRIBUTED PROPULSION SYSTEM

System and Method for Monitoring Clutch Wear

Turbomachine comprising a speed reduction gear and at least one electric machine

METHOD AND DEVICE FOR DETECTING A FAULT IN A MECHANICAL SYSTEM COMPRISING AT LEAST ONE ROTATING MEMBER

HELICOPTER

Transmission device for hybrid aircraft

METHOD AND SYSTEM FOR DETECTING ANOMALIES RELATING TO COMPONENTS OF A TRANSMISSION SYSTEM OF AN AIRCRAFT, IN PARTICULAR A HELICOPTER

Axially biased nonintegral raceways for rotorcraft masts

HYBRID PROPULSION SYSTEM FOR AIRCRAFT

Method for Improving Loss of Lube Survival

Hybrid propulsion system for a helicopter

Vertical take off and landing closed wing aircraft

ELECTRIC TILTROTOR AIRCRAFT WITH TILTING COAXIAL MOTORS AND GEARBOX

VERTICAL TAKE-OFF AND LANDING AERODYNE OPTIMISED FOR HORIZONTAL FLIGHT

LIVE SYSTEM WITH SPLASH GUARD

Multi-purpose prop-rotor spinner arrangement

Optimizing usage of supplemental engine power

Articulating bifurcated integrated transition duct assembly

AIRCRAFT PROPULSION SYSTEM WITH VARIABLE SPEED ROTATING STRUCTURE

Distributed propulsion system for vertical take off and landing closed wing aircraft

ACTUATOR LOCK NUT ASSEMBLY

Helicopter Tail Rotor Drive System on Demand Speed Control

Electric vertical take off and landing vehicle

Turboshaft load control using feedforward and feedback control

Harmonic control actuator for aircraft

Helicopter

Aircraft fuel tanks including self-sealing fabric

Recovered-cycle aircraft turbomachine

Reduced-engine operation technique for rotorcraft

Dual motor input with overrunning clutch

Distributed propulsion system

Rotary wing aircraft with at least two rotors and a propulsion unit

Tail rotor isolation systems for rotorcraft

Bearing restraint for use on a rotor mast

Pylon Restraint System

SYSTEM AND METHOD OF OPERATING MULTI-ENGINE SYSTEM

System and method of operating multi-engine system

Lubricating liquid manifold for a crankpin of an epicyclic gear train, gearbox and aircraft

MANNED AND UNMANNED AIRCRAFT

POWER TRANSMISSION DEVICE FOR HELICOPTER

Method and system for anonymous user data storage and controlled data access

Gearbox and associated aircraft

Hybrid propulsion system of a helicopter

Turboshaft gas turbine engine

Drive shaft with non-cylindrical shape

Multi-engine system and power transfer between engines thereof

Hover-capable aircraft and lubrication method for a module of a transmission unit of said aircraft

METHOD OF AND SYSTEM FOR ONE-ENGINE-INOPERATIVE TRAINING IN AIRCRAFT WITH DISSIMILAR ENGINES

Power management methods for multi engine rotorcraft

METHOD AND DEVICE FOR CONTROLLING A THERMAL AND ELECTRICAL POWER PLANT FOR A ROTORCRAFT

Drive shaft with ballistic tolerance

Helicopter tail rotor drive system on demand speed control

Supplemental engine power control

Lubrication system

Propulsion system for a helicopter

MODULAR POWER PLANT FOR A ROTORCRAFT AND ASSOCIATED ROTORCRAFT

Method for assisting the piloting of a rotorcraft at high altitudes by supplying mechanical power from an electrical power plant

External power assist systems for charging batteries onboard eVTOL aircraft

Hybrid pressurized and non-pressurized lubrication system for aircraft gearbox

Brake disk and brake with integral thermal fuse

Transmission lubricating assembly of helicopter

Locking finger for an electric motor shaft

MULTI-ENGINE AIRCRAFT PROVIDED WITH ECONOMY OPERATING MODE AND METHOD APPLIED

Transmission unit of an anti-torque rotor for a helicopter

Lubrication device for helicopter

OVERLOAD COUPLING FOR ROTATING DRIVE SYSTEMS

Gear systems having bearing flexure mounted thrust bearings

Machine comprising a hybrid powertrain and corresponding control method

Multimode clutch assemblies having engagement status sensors

Hybrid gyrodyne aircraft

Rotating blade aerodyne propulsion device with vertical take-off and landing, and aerodyne comprising at least one such propulsion device

Hybrid propulsion unit for an aircraft

Drive shaft with an integrated flange

Gas generator speed limit and power recovery

AIRCRAFT OPERATING METHOD, AIRCRAFT CONTROL PANEL ARCHITECTURE, AND AIRCRAFT

GEAR SHROUDING WITH INTEGRAL LUBRICATING FEATURES

LUBRICATION SYSTEM WITH A RESERVE TANK

Aircraft engine with clutch and mechanical lock

Hybrid gyrodyne aircraft

Rotor break effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor

Bypass block for unregulated gearboxes

Hybrid gyrodyne aircraft

Hybrid gyrodyne aircraft

DRIVE, PARTICULARLY FOR THE MAIN ROTOR OF A ROTARY CRAFT

Hybrid gyrodyne aircraft

Clutch with synchronizer and locking mechanism

Multi-purpose prop-rotor spinner arrangement

Hover-capable aircraft

Upgrading of a raw blend into a diesel fuel substitute: poly(dimethoxymethane)

Power transmission system and gas turbine engine comprising the same

OPPOSED PISTON HYDROGEN ENGINE AND METHOD FOR OPERATION

SYSTEMS AND METHODS FOR FOLDABLE ARMS

Electrical machine of a turbomachine comprising a rotor cooled by a cooling channel

Vertical take off and landing closed wing aircraft

Automated water volume estimation

Aircraft power architecture

Sensor for monitoring rotors

Coaxial split torque gearbox with sequential load distribution

Redundant fans for cooling system

Autorotative Enhancement System

Oil filter with impending and full-bypass indicators

Spherical mounted cylindrical roller bearing system

PROPULSION SYSTEM FOR A HELICOPTER

ROTARY WING AIRCRAFT PROVIDED WITH A TRANSMISSION SYSTEM COMPRISING AN EMERGENCY ELECTRIC MOTOR

Gearbox internal sensor integration

Clevis assembly with bearing device in operable communication with a translating element, and fail-safe tail rotor system including the same

System and method for dynamically measuring blade position during flight of a rotorcraft

Torque transmission system having multiple torque transmission pathways from a driving shaft to a driven shaft, and a vehicle

Method and system for anonymous user data storage and controlled data access

Multimode powertrains for multi engine rotorcraft

Pylon restraint system

Bearing preload using external gearbox reaction

Multimode clutch assemblies having engagement status sensors

Free propeller assembly structure and aircraft structure having the same

Failsafe multimode clutch assemblies for rotorcraft

Failsafe multimode clutch assemblies for rotorcraft

Power management systems for multi engine rotorcraft

Changeable linear speed reduction clutch

Articulating bifurcated integrated transition duct assembly

System and method for operating a multi-engine rotorcraft

Thrust producing unit with a fail-safe electrical drive unit

Mount systems for pylon assemblies with coaxial rotors

Rotor mast with composite insert

Dual motor input with overrunning clutch

System and method for operating a multi-engine aircraft

Distributed propulsion system for vertical take off and landing closed wing aircraft

Rotor system with a U-shaped beam member

Lubrication system

ENGAGEMENT AND DISENGAGEMENT OF TAIL ROTOR

Overload inhibiting torque meter

Motor, rotor device, and drone

Aircraft including rotary wings

Method and system for operating an engine in a multi-engine aircraft

HYBRID ROTOR PROPULSION FOR ROTOR AIRCRAFT

Drive shaft with non-cylindrical shape

Multimode powertrains for rotorcraft

Ducted rotor stators

Variable rotary radially supported mass vibration suppression system

Epicyclic gear train, a main gearbox, an aircraft, and a method applied by said gear train

Aircraft of a modular type, and a method of preparing such an aircraft for a specific mission

Driving control device for remote controlled helicopter

Chemically Pressurized Emergency Lubrication System

Distributed propulsion system

Sensor for monitoring rotors

ROTOR BRAKE OVERHEAT MANAGEMENT DEVICE

DISCONNECTING A ROTOR

Aircraft engine with clutch and mechanical lock

Lubrication device for helicopter

Rotor for an aircraft capable of hovering

Lubrication pressue control of a power transmission device for helicopter

System and method for emergency lubricant flow at an aircraft gear assembly

Systems and methods for foldable arms

Method and a device for assisting the piloting of a hybrid rotorcraft having a lift rotor and at least one propulsion rotor generating thrust

Gearbox cover, port plugs, and mast cap for aircraft

Unmanned aerial systems having out of phase gimballing axes

Belt drive arrangement for a drive train of a helicopter

Multi-engine system and method

Invertible aircraft

Turboshaft gas turbine engine

MAST AND EXPOSED GEARS ARE ZINC-HIGH-NICKEL PLATED FOR GREATER ABRASION AND/OR CORROSION RESISTANCE

Spherical mounted cylindrical roller bearing system

Systems and methods for monitoring lubrication of a drive train

Method and a device for limiting torque on a rotorcraft having at least three motors with non-equal power distribution

MONOLITHIC TRANSMISSION SUPPORT FOR ROTORCRAFT

System for monitoring characteristics of a load-bearing rotating shaft

SYSTEM AND METHOD FOR GEAR ASSEMBLY LUBRICANT SYSTEM FAILURE DETECTION

Method and a device for determining and displaying a flyaway distance for a rotorcraft while taking account of the height of waves

PROPULSION SYSTEM FOR A SINGLE-ENGINE HELICOPTER

Transmission for rotor for an aircraft capable of hovering

Planetary gear carrier with hardened posts

Bypass block for unregulated gearboxes

Gearbox filler assembly

DRONE USING COAXIAL INVERTED ROTOR

Transmission mount

Rotor for an aircraft capable of hovering and relative method

High current and RPM-capable slip ring assembly

Systems and methods for power turbine governing

Fluid-Fitting Adapter

MULTIPORT PISTON-SEAL FITTING

FLYING VEHICLE EMERGENCY PROCEDURES

Systems and methods for reducing the propeller noise

Method of retrofitting a gear box assembly with an emergency lubrication system

TRANSMISSION SYSTEM FOR AIRCRAFT STRUCTURE

Drone motor and drone comprising same

Motor for drone and drone including same

Fluid delivery device

Vector Control for Aerial Vehicle Drive and Method

Uniball bearing with compliant inner member

Asymmetric gear teeth

Motor for drone and drone including same

Manned and unmanned aircraft

Motor for drone and drone comprising same

Lubrication device having a plurality of lubrication liquid recovery tanks, and optimized and reliable delivery means to a main tank

Gearbox split torque equalization system

Systems and methods for foldable arms

Electrical braking systems for rotorcraft

Hydraulic rotor brake with additional fire barrier

Brake monitoring system

Power transmission system and gas turbine engine comprising the same

Rotorcraft anti-torque system

Rotor systems and methods

Unmanned aerial vehicle and propulsion system for an unmanned aerial vehicle

Unmanned aerial vehicle and method for driving an unmanned aerial vehicle

Hydraulic multi-rotor aerial vehicle

Low moment rotor hub

Multicopter

Drive train

Composite reinforced ring gear

Clutch with synchronizer and locking mechanism

Electric powered direct drive rotor motor

Tilting coaxial rotor for a rotary wing aircraft

ELEVATOR AND RUDDER CONTROL OF A ROTORCRAFT

Inboard bearing assemblies having independent shoes

Variable-speed drive system for tiltrotor with fixed engine and rotating proprotor

Fixed outboard engine tiltrotor with leading edge drive system and angled rotation spindle configuration

INDEPENDENT PROPELLER/MAIN ROTOR SPEED CONTROL FOR X2 TECHNOLOGY

Two-piece firewall and inlet plenum

Autorotative enhancement system

Propulsion system for an aircraft

Rotor brake effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor

Multipurpose air vehicle

Drive system for a vehicle

PROGRAMMABLE MOTOR CONTROLLER USING A MOTOR

Magnetorheological fluid clutch apparatus and control systems

Mast space of helicopter, driving power transmission device of helicopter including mast spacer, and helicopter

Ethanol-Fueled Fuel Cell Powered Aircraft

Aircraft Power System

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

Turboshaft engine for an aircraft equipped with an automatically-activated centraliser

Rotorcraft internal transfer member transmission

Crash energy attenuation system for a transmission support in a vertical lift aircraft

USE OF METERING HOLE IN SHROUD OF SPLASH-LUBRICATED GEARBOX FOR DISBURSING LUBRICANT WITHIN GEARBOX

Brake device

WEATHER SENSING

Vertical take off and landing closed wing aircraft

Multi-rotor roto-craft flying machine

Distributed propulsion system for vertical take off and landing closed wing aircraft

Modular fuselage sections for vertical take off and landing distributed airframe aircraft

Vibration damping device for an elongated member

Rotorcraft having increased altitude density ceiling

Active peening of gear teeth in an assembled gearbox

Engine systems for rotorcraft

Lubrication systems for transmissions

Coaxial split torque gear box

Multi-speed gearbox for tail rotor of a compound helicopter

Distributed propulsion system

Control system for rotorcraft in-flight engine restarting

Assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines

Forward folding rotor blades

Gearbox casing, a gearbox, and an aircraft

Device for regulating the speed of rotation of a gas generator shaft of a rotorcraft turboshaft engine, a rotorcraft provided with such a device, and an associated method of regulation

Systems and methods for foldable arms

TUBE LAUNCHED HYBRID MULTIROTOR METHODS AND APPARATUS FOR SYSTEM

Diagnostic method, system and device for a rotorcraft drive system

Bearing liner for accommodating thermal expansion and transmission system incorporating the same

Diagnostic method, system and device for a rotorcraft drive system

Emergency landing using inertial sensors

Combustion engine, an aircraft fitted with said engine, and a method of fabricating such an engine

Aerial vehicle

Helicopter rotor transmission

Rotor mast

Torque estimation apparatus for aircraft, aircraft, and torque estimation program and torque estimation method for aircraft

Rotor sequencing for dual rotor aircraft

Gearbox lubrication system for aircraft

Protective labyrinth over mast seal to protect from water intrusion

Non-pressurized accessory gearbox

Redundant cooling system

Redundant fans for cooling system

Fan mounted on gearshaft

Convective cooling of a pressurized gearbox

Fan with labyrinth seal for prevention of water damage to a gearbox

Active thermal management for fire-tolerant drive systems

Articulating bifurcated integrated transition duct assembly

OIL-LEVEL SENSOR FOR A GEARBOX

Oil filter with impending and full-bypass indicators

Variable ratio gearbox for a rotary wing aircraft tail rotor

Propeller alignment devices

Load estimation for a twin-engine helicopter

Mechanical system for transmitting motion and an aircraft fitted with a corresponding system

FIXED ROTOR THRUST VECTORING

Diagnostic method, system and device for a rotorcraft drive system

Diagnostic method, system and device for a rotorcraft drive system