72617 ⎘
Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
Sub-classes:HYBRID ELECTRIC AIRCRAFT INCLUDING FUEL POD WITH ELECTRICAL INTERFACE
#2POWERTRAIN FOR AERIAL VEHICLE
#3PROPULSION SYSTEM HAVING FLUIDLY SEPARATE LUBRICATION SYSTEMS FOR PROPULSORS AND TURBO-ENGINE
#4AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#5AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#6BIDIRECTIONAL THRUST APPARATUS, SYSTEM AND METHOD
#7TRANSMISSION SYSTEM
#8ELECTRIC AIRCRAFT AND ATTITUDE CONTROL METHOD THEREFOR
#9METHODS AND SYSTEMS FOR ELECTRIC PROPULSOR FAULT DETECTION
#10ELECTRIC TILTROTOR AIRCRAFT
#11APPARATUS FOR FACILITATING PROPULSION OF A VEHICLE
#12Rotor Flight Vehicle
#13METHODS AND APPARATUS FOR GENERATING USAGE SEVERITY INDICES
#14A HYBRID ELECTRIC AIRCRAFT
#15Linear actuator system
#16METHOD OF CONTROLLING TILT ROTOR, APPARATUS FOR CONTROLLING TILT ROTOR, AND AIRCRAFT INCLUDING THE APPARATUS
#17AVIATION PROPULSION SYSTEM FOR AN AIRCRAFT
#18ELECTRIC AIRCRAFT AND AERODYNAMIC PERFORMANCE CONTROL METHOD THEREFOR
#19IDENTIFYING AND REMEDIATING A GAS LEAK
#20Multi-drive unit propulsion system for an aircraft
#21ROTOR SYSTEM WITH BELT DRIVEN PROPULSION AND STOWING
#22Aircraft propulsion system geartrain
#23Aircraft propulsion system geartrain
#24AIRCRAFT PROPULSION SYSTEM GEARTRAIN
#25IMPROVED AIRCRAFT PROPULSION ASSEMBLY
#26ELECTRIC TILTROTOR AIRCRAFT WITH TILTING COAXIAL MOTORS AND GEARBOX
#27AIRCRAFT PROPULSION SYSTEM WITH INTERMITTENT COMBUSTION ENGINE(S)
#28Rotating airfoil assembly for an aircraft engine
#29Dual-chemistry propulsion system for electric vertical take-off and landing aircraft
#30Power electronics heat removal
#31Selective power distribution for an aircraft propulsion system
#32Selective power distribution for an aircraft propulsion system
#33Electric tiltrotor aircraft
#34Hybrid electric vertical takeoff and landing aircraft
#35Methods and systems for electric propulsor fault detection
#36Battery charge difference calculation system
#37Rotor system with belt driven propulsion and stowing
#38AUTONOMOUS AERIAL VEHICLE
#39AIRCRAFT
#40SYSTEMS AND METHODS FOR IMPROVED ROTOR ASSEMBLY FOR USE WITH A STATOR
#41VEHICLE HAVING MULTIPLE CONFIGURATIONS INCLUDING ROAD CONFIGURATION AND FLYING CONFIGURATION BASED UPON ROTOR POSITION
#42TWIN PROPULSOR, PARALLEL HYBRID, STREAMLINED NACELLE PROPULSION SYSTEM
#43Apparatus for facilitating propulsion of a vehicle
#44Control system for an aircraft and a method of operating the control system
#45UNMANNED AERIAL VEHICLE, SYSTEM, AND CONTROL METHOD
#46Turboshaft gas turbine engine
#47MULTICOPTER
#48MULTICOPTER AND METHOD FOR DRIVING SAME
#49Convertiplane
#50Convertiplane
#51PROPELLER-TYPE PROPULSION SYSTEM FOR AN AIRCRAFT
#52Multi-rotor hydraulic drone
#53TAKEOFF AND LANDING SYSTEM
#54METHODS AND APPARATUS FOR A MAGNETIC PROPULSION SYSTEM
#55Methods and systems for electric propulsor fault detection
#56Hybrid propulsion chain for an aircraft comprising an auxiliary mechanical drive system
#57Method and device for assisting the piloting of a rotorcraft provided with at least one propeller
#58Abnormality diagnosis system and abnormality diagnosis method
#59Electric tiltrotor aircraft
#60Power supply system for moving object, and aerial vehicle
#61Free Wing Multirotor Transitional S/VTOL Aircraft
#62HIGH-SPEED, VERTICAL TAKE-OFF AND LANDING AIRCRAFT
#63Motor vehicles for use on the ground and in the air
#64Hybrid multirotor propulsion system for an aircraft with power management unit to cause total mechanical power to split and aggregate to drive propeller
#65BIDIRECTIONAL THRUST APPARATUS, SYSTEM AND METHOD
#66Air vehicle configurations
#67Electric tiltrotor aircraft with tilting coaxial motors and gearbox
#68Stowable wing aircraft with dual, fuselage-mounted engines
#69V2 PPRW
#70Failsafe multimode clutch assemblies for rotorcraft
#71High speed rotorcraft propulsion configuration
#72AIRCRAFT PROPULSION SYSTEM AND METHOD FOR OPERATING SUCH A SYSTEM
#73Light weight flying car PPRW
#74Vertical take-off and landing aircraft using hybrid-electric propulsion system and the control method
#75Independent speed variable frequency generator for more electric aircraft using brushless doubly-fed machines (BDFM)
#76Integral flexured carriers for aircraft planetary gear systems
#77Powertrain for Aerial Vehicle
#78Ducted fans having fluidic thrust vectoring
#79Ducted fans having edgewise flow augmentation
#80Fluidic roll control systems for use in forward flight
#81Fluidic yaw control systems for use in hover
#82TAIL SITTER STOP-FOLD AIRCRAFT
#83Lift engine auxiliary thrust system for stop fold aircraft
#84Weight-Shift Control (WSC)
#85Providing a load from a motor to inhibit further rotation of a propeller of an aerial vehicle while in flight
#86Hybrid rotorcraft having at least one pusher or puller propeller, and an associated piloting method
#87Variable speed transmission and related methods
#88Rotor assembly
#89Integral flexured carriers for aircraft planetary gear systems
#90Rotorcraft having propeller generated power during autorotations
#91ELECTRIC MOTORS FOR AIRCRAFT PROPULSION AND ASSOCIATED SYSTEMS AND METHODS
#92Integral multistage ring gear systems for aircraft
#93Dual hybrid propulsion system for an aircraft having a cross-connecting clutch
#94Electrically controlled vertical takeoff and landing aircraft system and method
#95ROTARY-WING VEHICLE AND SYSTEM
#96Bondable Cooling Fin Arrays for Use on Aircraft Gearboxes
#97ENGAGEMENT AND DISENGAGEMENT OF TAIL ROTOR
#98Aviation hydraulic propulsion system utilizing secondary controlled drives
#99Autonomous unmanned aerial vehicle
#100Systems and methods for reducing noise based on effective rotor area relative to a center of rotation
#101Method for assisting a single-engine rotorcraft during an engine failure
#102Methods and apparatus for a magnetic propulsion system
#103Systems and methods for improved stator assembly for use with a rotor
#104Systems and methods for controlling lift using contra-rotating rotors
#105Systems and methods for dynamically triggering independent stator coils to control pitch of a rotor blade
#106Systems and methods for independent pitch control of rotor blades of rotor assembly to achieve directional control
#107Systems and methods for improved rotor assembly for use with a stator
#108Systems and methods for drive control of a magnetically levitated rotor
#109Gearbox with integrated submersible lubricant pump
#110DISCONNECTING A ROTOR
#111NEUTRAL AXIS DUCT WITH TANDEM TELESCOPIC THRUST VECTORING LEADING AND TRAILING EDGE PROPELLERS FOR MULTI-MODE SPATIAL VEHICLE
#112Rotor for an aircraft capable of hovering
#113Rotor flight vehicle
#114Hovering vehicle
#115Method and system for distributed electrical loads connected to shared power sources
#116Pusher rotorcraft drivetrain
#117High speed rotorcraft propulsion configuration
#118Variable-speed gear box with hydraulic system for tiltrotor aircraft
#119Multi-engine system and method
#120Inertial energy storage device
#121Turboshaft gas turbine engine
#122UAS display system and method
#123Rotorcraft anti-torque systems and methods therefor
#124System and method for controlling rotorcraft
#125Aircraft provided with a secondary flight assembly
#126AUTOMATICALLY AND RELEASABLY COUPLING UAV PROPELLERS TO PROPULSION MOTORS, AND ASSOCIATED SYSTEMS AND METHODS
#127Driveshaft locking mechanism
#128Aircraft having split wing and monoplane configurations
#129DRONE WITH MULTIPLE ELECTRIC MOTORS
#130ELECTRIC MOTORS FOR AIRCRAFT PROPULSION AND ASSOCIATED SYSTEMS AND METHODS
#131COUNTER-ROTATING PROPELLER SYSTEM WITH CAPABILITY TO STOP ROTATION OF ONE ROW
#132Torque path coupling assemblies for tiltrotor aircraft
#133TRANSMISSION SYSTEM FOR AIRCRAFT STRUCTURE
#134Unmanned aerial vehicle
#135Drive System For An Aircraft And Method For Supplying Drive Power For An Aircraft
#136Combined fan and motor
#137Power transmission system
#138Thermal management system
#139System and method for operating a boundary layer ingestion fan
#140Magnetorheological fluid clutch apparatus and control systems
#141Lightweight flying vehicle
#142Propulsion device
#143Combined fan and motor
#144Aircraft propulsion assembly equipped with a main fan and with at least one offset fan
#145System for suspending two modules of a propulsion unit
#146Aircraft with multiple fan propulsion assembly fixed under the wing
#147Aircraft propulsion assembly equipped with a main fan and with a least one offset fan
#148USE OF METERING HOLE IN SHROUD OF SPLASH-LUBRICATED GEARBOX FOR DISBURSING LUBRICANT WITHIN GEARBOX
#149Distributed propulsion system power unit control
#150Drive system arrangement for rotorcraft
#151Multi-rotor roto-craft flying machine
#152Propulsor mounting for advanced body aircraft
#153Engine systems for rotorcraft
#154Engine cooling systems for aircraft
#155Tilt-prop aircraft
#156Hybrid electric aircraft propulsion system with motors using induction effect
#157Systems, methods, and devices for bipolar high voltage direct current ground fault detection
#158Fan module with adjustable pitch blades and power system
#159Rotating proprotor arrangement for a tiltrotor aircraft
#160Cross-wing driveshaft channel
#161Aircraft with tilting cross-flow fan wings
#162Exhaust duct for turbine forward of fan
#163Hybrid aircraft
#164Turbine shaft power take-off
#165Multi-spool gas turbine engine architecture
#166Multi-spool gas turbine engine architecture
#167Gas turbine engine shaft architecture and associated method of disassembly
#168Gear train architecture for a multi-spool gas turbine engine
#169Single engine, asymmetrical vertical take-off and landing (VTOL) aircraft
#170Multi-rotor aerial vehicle
#171GAS TURBINE ENGINE
#172Gas turbine engine with distributed fans
#173Interconnect drive system
#174Aircraft with a propulsion unit with offset fan
#175ROTOR-LIFT AIRCRAFT
#176Variable-geometry ducted fan
#177Vertical take-off and landing aircraft
#178Propulsion assembly for an aircraft, comprising a gas generator, two offset fans and an air inlet sleeve
#179Propulsion unit for an aircraft
#180AIRCRAFT PROPULSION SYSTEM
#181Magnetorheological fluid clutch apparatus and control systems
#182Aircraft with a plurality of engines driving a common driveshaft
#183Modular Electric VTOL Aircraft
#184Convertible tiltrotor aircraft
#185VTOL aircraft
#186Dual dissimilar engines for an aircraft
#187Gas turbine engine with distributed fans with drive control
#188Gas turbine engine with embedded distributed fans
#189Rotary pylon conversion actuator for tiltrotor aircraft
#190Hybrid drive for gas turbine engine
#191Magnetorheological flight control clutch system
#192Gas turbine engine with distributed fans
#193Magnetorheological rotorcraft actuator
#194Magnetorheological rotorcraft actuation system
#195Propulsion system for aircraft, in particular lightweight aircraft
#196Rotor hub damper for a rotorcraft
#197Counter-rotating rotor system with stationary standpipe
#198Contra-rotating open fan propulsion system
#199Vertical take-off and landing aircraft
#200Device with multiple reduction gear transmission between a drive shaft and a pair of propellers coaxial with this shaft
#201Aircraft powerplant
#202Tiltrotor aircraft with inboard wing mounted fixed engine arrangement
#203Tilt rotor aircraft with fixed engine arrangement
#204Disconnecting a rotor
#205Clutch system for rotary-wing aircraft with secondary thrust system
#206Method and a device for assisting the piloting of an aircraft, and an aircraft
#207Aircraft with freewheeling engine
#208Tilt rotor aircraft with fixed engine arrangement
#209Rotary wing aircraft provided with propulsion means, and a method applied by said aircraft
#210High torque aerial lift (HTAL)
#211Power plant, a helicopter including such a power plant, and a method implemented by said power plant
#212Multifunctional propulsive system for an airplane
#213Aircraft propulsion unit in multi-fan design
#214Aircraft airframe architectures
#215Separable under load shaft coupling
#216Speed changing gearbox with dual path input
#217Propulsion device
#218Aircraft capable of vertical and short take-off and landing
#219Vtol vehicles
#220Sky hopper
#221Aircraft propulsion system
#222Split torque gearbox with pivoted engine support
#223Power generation and transfer using variable-pitch propeller
#224Substrate-to-heat-sink gap sizing in high voltage power converters
#225Electrical connection arrangement for a prepackage power converter
#226Fuel pod for hybrid electric aircraft
#227Low cost, high reliable, double engined VTOL
#228Multicopter with passively-adjusting tiltwing
#229Helicopter using electric propeller torque arm as a power source to drive a main rotor
#230Aerial vehicle propulsion modules