72615 ⎘
Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
Sub-classes:INTEGRAL HEAT EXCHANGER FOR VERTICAL LIFT AIRCRAFT GEARBOXES
#2CLUTCH FOR ROTORCRAFT DRIVE SYSTEM
#3TRACTOR AIRCRAFT POWER PLANT WITH SWIRL RECOVERY VANES
#4Proprotor Lockout Systems for Tiltrotor Aircraft
#5ADDITIVELY MANUFACTURED GEARS FOR AEROSPACE AND DEFENSE
#6AIRCRAFT WITH SYMMETRIC OPEN PROPULSOR ROTATING PATTERNS
#7AIRCRAFT WITH SYMMETRIC OPEN PROPULSOR ROTATING PATTERNS
#8BEARING ASSEMBLY HOUSING FOR AN AIRCRAFT PROPULSION SYSTEM
#9PROPULSION ASSEMBLY FOR AN AIRCRAFT PROVIDED WITH A PROPELLER AND A CYCLIC PITCH DEVICE FOR THE BLADES OF THE PROPELLER AND METHOD FOR REGULATING THE CYCLIC PITCH OF THE BLADES OF THE PROPELLER
#10CLUTCH ASSEMBLY FOR AN AIRCRAFT PROPULSION SYSTEM GEAR TRAIN
#11Differential Driven Open Rotor with Brake
#12CORRELATED MAGNET THRESHOLD CLUTCH AND METHODS THEREOF
#13HYBRID ELECTRIC AIRCRAFT PROPULSION SYSTEM AND METHOD
#14SECURITY SYSTEM FOR AN UNMANNED VEHICLE
#15OPEN ROTOR AIRCRAFT PROPULSION SYSTEM WITH BYPASS FLOWPATH
#16Proprotor Lockout Systems for Tiltrotor Aircraft
#17SYSTEMS AND METHODS FOR AUTONOMOUS VISION-GUIDED OBJECT COLLECTION FROM WATER SURFACES WITH A CUSTOMIZED MULTIROTOR
#18SYSTEM AND METHOD OF ROTOR MANAGEMENT
#19GEAR REACTION DERIVED TORQUE MEASUREMENT
#20Aircraft power system module with integral lubricant reservoir
#21AIRCRAFT PROPELLER DRIVE SYSTEM
#22MECHANICAL POWER TRANSMISSION SYSTEM, GEARBOX AND AIRCRAFT
#23MODULAR SUPPORT FRAMEWORK FOR AN AIRCRAFT EMERGENCY OXYGEN SUPPLY SYSTEM, AIRCRAFT EMERGENCY OXYGEN SUPPLY SYSTEM, AND AIRCRAFT COMPRISING AN AIRCRAFT EMERGENCY OXYGEN SUPPLY SYSTEM
#24ELECTRIC MOTOR PROPULSION SYSTEM FOR AN AIRCRAFT
#25ELECTRIC MOTOR PROPULSION SYSTEM FOR AN AIRCRAFT
#26ROTOR ASSEMBLY AND UNMANNED AERIAL VEHICLE HAVING THE SAME
#27GEAR
#28HYBRID PROPULSION SYSTEMS WITH POWER SHARING
#29HYBRID PROPULSION SYSTEMS WITH POWER SHARING
#30ACCESSORY GEARBOX FOR AN AIRCRAFT TURBINE ENGINE COMPRISING A VERY LOW-SPEED ENGINE AND USE METHOD
#31SYSTEM FOR TESTING AIRCRAFT EMERGENCY LUBRICATION SYSTEM
#32ELECTRIC AIRCRAFT PROPULSION UNIT(S) WITH MULTIPLE PROPULSOR ROTORS
#33Multi-mode aircraft power-split transmission system
#34Locking assembly for a propeller rotor of an aircraft, a rotor assembly for the aircraft, and a method
#35PLANETARY GEAR FOR A TRANSMISSION FOR AN AIRCRAFT CAPABLE OF HOVERING
#36LUBRICATION SYSTEM
#37AVIATION PROPULSION SYSTEM FOR AN AIRCRAFT
#38GEAR PUMP, DRIVE DEVICE AND ADJUSTABLE-PITCH PROPELLER
#39ACCESSORY GEARBOX FOR AN AIRCRAFT TURBINE ENGINE COMPRISING A VERY LOW-SPEED ENGINE AND USE METHOD
#40SYSTEM FOR TESTING AIRCRAFT EMERGENCY LUBRICATION SYSTEM
#41Systems and methods for intentionally breaking shafts of compromised electric machines with electro-thermal activation
#42PROPELLER SHAFT WITH REINFORCED FRONT FLANGE
#43PROPELLER SHAFT WITH REINFORCED FRONT FLANGE
#44SECURITY SYSTEM FOR AN UNMANNED VEHICLE
#45Aircrafts, systems, and methods for providing constant torque on takeoff
#46Aircraft propulsion system geartrain
#47Aircraft propulsion system geartrain
#48Fluid scavenge system
#49AIRCRAFT
#50AIRCRAFT POWERPLANT WITH BOOSTED GAS TURBINE ENGINE
#51Proprotor lockout systems for tiltrotor aircraft
#52COMPRESSED AIR SUPPLY SYSTEM OF AIRCRAFT
#53Transmission system for aircraft powerplant
#54Propeller transmission system for aircraft powerplant
#55Selective power distribution for an aircraft propulsion system
#56Aircraft accessory drive system
#57AIRCRAFT PROPULSION SYSTEM WITH VARIABLE SPEED ROTATING STRUCTURE
#58Installation of gear assemblies in aircraft gearboxes
#59Centrifugal force actuated damper
#60Propulsion unit with foldable propeller blades and method for stopping the propeller in an indexed angular position
#61AIRCRAFT HAVING A DRIVE-AND-ENERGY SYSTEM FOR LOW-EMISSION CRUISING FLIGHT
#62High-speed VTOL drive-shaft systems and methods
#63ELECTRIC AIRCRAFT PROPULSION ASSEMBLY AND METHOD
#64Control device for flight vehicle
#65System and method of rotor management
#66AIRCRAFT CONTROL SYSTEM, AIRCRAFT CONTROL METHOD, AND STORAGE MEDIUM
#67ROTOR FOR AN AIRCRAFT CAPABLE OF HOVERING
#68Flexible coupling for joining metallic and composite drive shafts
#69ROTARY WING AIRCRAFT
#70Flying object control device for switching power supply based on flight plan and battery status
#71Aircraft having rotor assemblies rotating in parallel planes
#72Aircraft
#73Rotary wing aircraft with at least two rotors and a propulsion unit
#74AUXILIARY VOLTAGE SUPPLY FOR POWER CONVERTER AND USE THEREOF IN VEHICLES
#75Device for power transmission, power converter, and aircraft
#76DRONE
#77Gear systems with variable speed drive
#78Windings for electrical machines
#79SYSTEMS AND METHODS FOR AERIAL VEHICLE (AV) FLIGHT CONTROL
#80Aerial vehicle with hybrid drive and rotor unit including rotor shafts coupled by inclined synchro gear wheels
#81Drone
#82Integrated alternator for aerial vehicle engine
#83Systems and methods for autonomous vision-guided object collection from water surfaces with a customized multirotor
#84Hybrid pressurized and non-pressurized lubrication system for aircraft gearbox
#85COMPACT INTEGRATED MAST AND CARRIER
#86Lateral propulsion systems and architectures for high altitude balloons
#87Aircraft having a high efficiency forward flight mode
#88Hybrid electric propulsion system and method of operation
#89GEAR SHROUDING WITH INTEGRAL LUBRICATING FEATURES
#90Drive tube and swashplate trunnion assembly with cylindrical bearings
#91LUBRICATION SYSTEM WITH A RESERVE TANK
#92Aircraft
#93DRIVING DEVICE, PROPELLER AND PROPULSION SYSTEM
#94Clutch assembly brake
#95Clutch with synchronizer and locking mechanism
#96Mechanism and method to engage/disengage a sprag clutch based on coefficients of thermal expansion
#97Electric power generating apparatus for use in aircraft
#98Sealed coaxial input and output shafts
#99Rotor assembly and unmanned aerial vehicle having the same
#100Independent speed variable frequency generator for more electric aircraft using brushless doubly-fed machines (BDFM)
#101Hybrid propulsive architecture for an aircraft comprising an engine with a reversible electric machine mounted on two shafts
#102Gearbox including wireless sensors
#103Cam-locking system for a retractable driveshaft and method for use thereof
#104Gear sytems with variable speed drive
#105COMPOUND ROTOR AIRCRAFT
#106Mechanically-distributed propulsion drivetrain and architecture
#107Driving device, propeller, and propulsion system
#108Transmission
#109Transmission
#110Torque transmission system having multiple torque transmission pathways from a driving shaft to a driven shaft, and a vehicle
#111THERMOSTATICALLY CONTROLLED EMERGENCY LUBRICATION SYSTEM
#112Passive planetary emergency lubrication system
#113Gearbox assembly
#114Flying apparatus
#115Method of electrically powering an electricity network, and an electrical architecture
#116Vertical takeoff and landing aircraft with tiltable rotors
#117LATERAL PROPULSION PROPELLER ASSEMBLY FOR HIGH ALTITUDE BALLOONS
#118Lateral propulsion systems and architectures for high altitude balloons
#119Rotary relay contactor
#120Drive system for an aircraft
#121Rotary relay contactor
#122Driving device, propeller and propulsion system
#123Aircraft generating thrust in multiple directions
#124Motion limiter for ram air turbine (RAT) door linkage
#125Methods and systems for controlling operation of aircraft engines
#126Multimode clutch assemblies for rotorcraft
#127TRANSMISSION SHAFT
#128Mast bearing system for a tiltrotor aircraft
#129Liquid inertia vibration elimination system
#130Variable porosity load-bearing and heat-dissipating aircraft structures
#131Aircraft of a modular type, and a method of preparing such an aircraft for a specific mission
#132System for coupling/uncoupling accessory boxes
#133Lubrication pressue control of a power transmission device for helicopter
#134Aircraft gearbox lubrication system with multiple lubrication subsystems
#135HYBRID PRESSURIZED AND NON-PRESSURIZED LUBRICATION SYSTEM FOR AIRCRAFT GEARBOX
#136Closed wing aircraft having a distributed propulsion system
#137Hybrid electric propulsion system and method of operation
#138Synchronization of generator and electric motor in a hybrid electric aircraft propulsion system
#139System and method for locating and charging wireless sensors
#140Mechanically-distributed propulsion drivetrain and architecture
#141Stuck in Detent Monitors for Collective and Cyclic Sticks
#142Belt drive arrangement for a drive train of a helicopter
#143Ballistic resistant drive shaft
#144Hybrid rotor shaft for a vertical take-off and landing (VTOL) aircraft
#145Conversion actuator and downstop striker fitting for a tiltrotor aircraft
#146Mast bearing system for a tiltrotor aircraft
#147Hybrid gear construction
#148Aircraft propulsion unit comprising an assembly of at least two coaxial shafts, one being connected to the fan and the other to the assembly of fixed blades
#149Engine and rotatable proprotor configurations for a tiltrotor aircraft
#150MONOLITHIC TRANSMISSION SUPPORT FOR ROTORCRAFT
#151Power management between a propulsor and a coaxial rotor of a helicopter
#152Stowable wing aircraft with dual, fuselage-mounted engines
#153Planetary gear carrier with hardened posts
#154Flexible couplings with multi-mode diaphragm pairs
#155Failure detection system
#156Cam-locking system for a retractable driveshaft and method for use thereof
#157Fan blade support assembly
#158Mast lockout systems for tiltrotor aircraft
#159Managing limited safe mode operations of a robotic vehicle
#160Aircraft lubrication system
#161Aircraft with thrust vectoring propulsion assemblies
#162Asymmetric gear teeth
#163Driving device, propeller, and propulsion system
#164Electric control mechanism, and an aircraft
#165Systems and methods for rotating a crankshaft to start an engine
#166Gearbox split torque equalization system
#167Hydraulic line routing plate
#168Gearbox lubrication system
#169Governor and inversion pump drive gear
#170Rotor systems and methods
#171Drive device for an aircraft
#172Hydraulic multi-rotor aerial vehicle
#173System and method for operating a boundary layer ingestion fan
#174Clutch with synchronizer and locking mechanism
#175Variable-speed drive system for tiltrotor with fixed engine and rotating proprotor
#176Lift fan clutch plate for preventing blade tilt
#177Component with heat exchanger
#178Rotorcraft internal transfer member transmission
#179Power demand anticipation systems for rotorcraft
#180Methods and systems for controlling operation of aircraft engines
#181Rotor assembly and unmanned aerial vehicle having the same
#182Method of analyzing variations of at least one indicator of the behavior of a mechanism fitted to an aircraft
#183Aircraft drive device and aircraft provided with a drive device
#184Gate drive circuit and method of operating the same
#185Twin shafts driving adjacent fans for aircraft propulsion
#186Combustion engine, an aircraft fitted with said engine, and a method of fabricating such an engine
#187Rotor mast
#188Tiltrotor aircraft having journal bearing mounted pylon assemblies
#189Tiltrotor aircraft having pillow block mounted pylon assemblies
#190Tiltrotor aircraft having spherical bearing mounted pylon assemblies
#191Protective labyrinth over mast seal to protect from water intrusion
#192Redundant cooling system
#193Active thermal management for fire-tolerant drive systems
#194Aircraft Drive System
#195Tiltrotor articulated wing extension
#196Mechanical system for transmitting motion and an aircraft fitted with a corresponding system
#197Mechanical motion transmission system and an aircraft fitted with a corresponding system
#198Method and system for measuring torque in a tiltrotor aircraft
#199Fluid condition monitoring device
#200Liquid inertia vibration elimination system
#201Tip rib mounted pylon assemblies
#202Flange-mounted ring gear for improved heat management
#203Geared gas turbine engine and a gearbox
#204Aircraft propulsion assembly
#205Reduction gearbox for aircraft engine
#206Lift fan clutch plate to reduce instability
#207Lift fan clutch plate for protecting wear surfaces
#208Lift fan clutch plate with improved axial positioning
#209Tiltrotor aircraft having tip rib mounted pylon assemblies
#210Tiltrotor aircraft having spherical bearing mounted pylon assemblies
#211Tiltrotor aircraft having pillow block mounted pylon assemblies
#212Tiltrotor aircraft having journal bearing mounted pylon assemblies
#213Tiltwing aircraft
#214Gearbox lubrication system
#215Power management between a propulsor and a coaxial rotor of a helicopter
#216Gearbox with passive lubrication system
#217Driving device, propeller and propulsion system
#218Driveshaft thermal barrier
#219System and apparatus for supporting a planetary carrier within a gearbox
#220Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory
#221Maintaining drive system alignment in aircraft
#222All-composite torque tube with metal eyelets
#223Aircraft engine and associated method for driving the fan with the low pressure shaft during taxi operations
#224TAIL ROTOR DRIVE SYSTEMS
#225Feathering propeller clutch mechanisms
#226Horizontal axis propeller engine assembly for an aircraft
#227Hydraulic line routing plate
#228Power transmission gearbox and an aircraft
#229Method for the delivery of lubricant to a rotorcraft gearbox
#230System and method for eliminating adverse clutch vibratory responses
#231Multi-plate clutch
#232System, propulsion system and vehicle
#233Electrified rotorcraft
#234Variable speed aircraft transmission
#235Tilt-rotor vertical-lift aircraft
#236Aircraft and planetary gear systems
#237Helicopter transmission mount system
#238Electrified rotorcraft
#239Propulsion, electrical, and thermal management device for a small unmanned aerial vehicle
#240Propeller rotor and engine overspeed control
#241Torque converter for rotorcraft
#242Aircraft powerplant
#243Viscoelastic dampener
#244Hover-capable aircraft
#245Tilt rotor aircraft with fixed engine arrangement
#246Rotary wing aircraft having collocated exhaust duct and propeller shaft
#247Oil level indicator for rotary wing aircraft transmission
#248Electrical power transfer system for propeller system
#249Counter rotating facegear gearbox
#250Clutch with pressure sustaining system
#251Gearbox with passive lubrication system
#252System, propulsion system and vehicle
#253Tilt rotor aircraft with fixed engine arrangement
#254Aircraft, propulsion system, and system for taxiing an aircraft
#255Power distribution system
#256Counter rotating facegear gearbox
#257Lift fan clutch
#258ENGINE-PROPELLER DRIVE SYSTEM
#259Aircraft with tail propeller-engine layout
#260Rotorcraft engine and rotor speed synchronization
#261Aircraft Propeller Device, Method for Driving an Aircraft Propeller, Use of a Bearing for an Aircraft Propeller Drive and Use of an Electric Machine
#262Torque balancing gearbox
#263Rotorcraft engine and rotor speed synchronization
#264Unconventional integrated propulsion systems and methods for blended wing body aircraft
#265Propeller or propeller drive
#266GAS TURBINE GEARBOX
#267Aircraft propeller shaft support system providing propeller shaft damping
#268Locking device for vehicles, in particular for aeroplanes
#269Composite drive shaft with captured end adapters
#270Gas turbine gearbox
#271Small-size traction drive transmission system for use in microturbine-powered aircraft
#272Scissoring mechanisms deploying at low speed
#273Sprag clutch system for rotorcraft
#274Open rotor aircraft propulsion system with bypass flowpath
#275Pressure balancing of rotating control piston of generator transmission
#276Multi-mode aircraft power-split transmission system
#277Contra-rotating electric helicopter
#278Scissoring mechanisms deploying at low speed
#279Systems and methods for locking an electric propulsion system
#280Epicyclic gear train of aircraft powerplant
#281Aircraft generating thrust in multiple directions
#282Rotor speed indication systems for rotorcraft
#283Rotor mast assembly
#284Multi-rotor helicopter