Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
11/2010
11/30/2010US7841563 Ducted fan air data system
11/30/2010CA2496776C Rotorcraft control system with stepped mixing linkage
11/25/2010WO2010135727A1 Unmanned autogyro
11/25/2010WO2010134924A1 Co-rotating stacked rotor disks for improved hover performance
11/25/2010WO2010134923A1 Rotor blade spacing for vibration attenuation
11/25/2010WO2010134921A1 Differential pitch control to optimize co-rotating stacked rotor performance
11/25/2010WO2010134920A1 Rotor hub and controls for multi-bladed rotor system
11/25/2010US20100296931 Distributed-mass device for reducing vibration generated by a rotorcraft lift rotor, and a rotor hub fitted with such a device
11/25/2010US20100296930 Concentrated-mass device for reducing vibration generated by a rotorcraft lift rotor, and a rotor hub fitted with such a device
11/25/2010DE112008003512T5 System und Verfahren für eine adaptive Blattsteuerflächenanpassung System and method for an adaptive adjustment control surface sheet
11/25/2010DE102009021557A1 Linear momentum determining method for rotor shaft of helicopter, involves determining linear momentum from idle position of reference patterns and/or position of reference patterns in camera image during deformation of shaft
11/25/2010CA2762247A1 Co-rotating stacked rotor disks for improved hover performance
11/25/2010CA2762246A1 Rotor blade spacing for vibration attenuation
11/25/2010CA2762245A1 Differential pitch control to optimize co-rotating stacked rotor performance
11/25/2010CA2762219A1 Rotor hub and controls for multi-bladed rotor system
11/24/2010EP2253536A1 Method of flying within an extended speed range with controlled force vector propellers
11/24/2010EP2253535A1 Device with distributed masses for reducing the vibration caused by a lift rotor of a rotorcraft, and hub of a rotor provided with such a device
11/24/2010EP2253534A1 Device with concentrated masses for reducing the vibration caused by a lift rotor of a rotorcraft, and hub of a rotor provided with such a device
11/24/2010EP2253533A1 Rotary damper
11/24/2010EP1502851B1 Aerodynamic lifting-thrusting propulsion device
11/24/2010CN101891016A Invisible autogyro
11/23/2010US7837141 Reaction drive rotor/wing variable area nozzle
11/23/2010CA2448679C Ducted fan vehicles particularly useful as vtol aircraft
11/18/2010US20100290916 Rotor blade for a wind turbine
11/18/2010DE102009012801A1 Anisotrope Betätigung einer Helikopterrotorblattspitze Anisotropic operation of a helicopter rotor blade tip
11/18/2010DE102008014853B4 Drehflügelfluggerät Rotary-wing aircraft
11/16/2010US7834476 Method for running in a drive train component of a wind energy plant and wind energy plant for executing this method
11/11/2010WO2010129322A1 Fluid elastomeric damper assembly
11/11/2010WO2010128489A2 Aerial robotic system
11/11/2010WO2010128378A2 Constant velocity joint for helicopter rotors
11/11/2010WO2010127675A2 Method for compensation of gyroscopic forces of a rotor in a helicopter
11/11/2010DE102009012799A1 Aktive Rotorblattanordnung Active rotor blade assembly
11/10/2010EP1317652B1 Method, apparatus and computer program product for helicopter tail strike warning
11/10/2010CN101883718A Multi-bladed rotor system for rotorcraft
11/10/2010CN101376433B Helicopter rotor operation method and system
11/10/2010CN101337581B Blade equipped with a spar with horizontal coil and method for manufacturing such a spar
11/09/2010US7828525 Soft in-plane tiltrotor hub
11/04/2010US20100278655 Rotor blade made of a fibre-reinforced composite material and production method for it
11/04/2010US20100278647 Fluid turbine
11/04/2010US20100276549 Fail-operational multiple lifting-rotor aircraft
11/03/2010EP2246260A1 Rotor blade made of a fibre-reinforced composite material
11/03/2010EP2246259A1 Rotor wing with integrated tension-torque-transmission element and method for its production
11/03/2010EP2246258A1 Rotor blade with control tube
11/03/2010EP2246257A1 Multi-section connecting region of a flexbeam
11/03/2010EP2246256A1 Tension-torque-transmission element for a fenestron blade and method for producing it
11/03/2010EP2246255A2 Combination brake clutch drive system and rotary-wing aircraft using same
11/03/2010EP2246254A1 Fluid-elastomeric damper assembly including internal pumping mechanism
11/03/2010CN1801582B A two-outlet electromechanical motor
11/03/2010CN101878153A Aerial device
11/03/2010CN101875399A Tilt rotor aircraft adopting parallel coaxial dual rotors
11/02/2010US7823827 Vectored thruster augmented aircraft
10/2010
10/28/2010WO2010124015A1 Aircraft with integrated lift and propulsion system
10/28/2010WO2010123601A1 Purebred and hybrid electric vtol tilt rotor aircraft
10/28/2010US20100272563 Centrifugal pump for slurries
10/28/2010US20100270435 Wing efficiency for tilt-rotor aircraft
10/28/2010US20100270423 Planetary de-rotation system for a shaft fairing system
10/28/2010US20100270422 Rotorcraft with opposing roll mast moments, and related methods
10/28/2010US20100270421 Locknut assembly for a coaxial shaft
10/28/2010US20100270420 Circular fixed wing vtol aircraft
10/27/2010EP2242684A2 Rotorcraft with variable incident wing
10/27/2010CN101871499A Piezoelectric liquid inertia vibration eliminator
10/27/2010CN101870359A Method and device for driving trailing edge winglet of rotor blade of helicopter
10/21/2010WO2010119298A1 Rotor blade
10/21/2010WO2010118643A1 Inclining controller of double-rotor helicopter
10/21/2010US20100266428 Propeller fan
10/21/2010US20100266416 Rotor Blade and Method of Making Same
10/21/2010US20100266411 Constant-Velocity Joint with Torque-Combining Differential
10/21/2010US20100264258 Magnetic de-rotation system for a shaft fairing system
10/21/2010US20100264257 Multi-Bladed Rotor System for Rotorcraft
10/21/2010US20100264256 Counter-rotational inertial control of rotorcraft
10/21/2010US20100264255 Tilt rotor vertical take-off aircraft - J
10/21/2010DE202010011463U1 Die Weise und die Antinoteinrichtung der Flugzeuge The manner and the Antinoteinrichtung the aircraft
10/20/2010EP2241896A1 Stabilising system for missiles
10/20/2010EP2241502A2 Active vibration suppression via power minimization
10/20/2010EP2240366A1 Lead-lag damper for rotor hubs
10/20/2010EP1603798B1 Adaptive compliant wing and rotor system
10/20/2010EP1485685B1 Method and device for detecting defects of at least one rotary wing aircraft rotor
10/19/2010US7815482 Helicopter
10/19/2010US7815144 Ground air water craft
10/14/2010WO2010115255A1 Aircraft capable of vertical flight, take-off and landing
10/14/2010US20100260611 Wind turbine blade
10/14/2010US20100260607 Autonomic rotor system for an aircraft
10/14/2010US20100258671 Aircraft having helicopter rotor and front mounted propeller
10/14/2010DE102009016797A1 Spindle actuator, particularly ball roll spindle actuator for controlling of swash plate of helicopter, has spindle and drive unit for rotation of spindle, where link body runs on spindle
10/14/2010DE102009015806A1 Tragschrauber Gyroplane
10/13/2010EP2238027A1 Constant-velocity joint with torque-combining differential
10/12/2010US7811061 Blade having an integral cuff, and a rotorcraft rotor provided with such a blade
10/07/2010WO2010114387A1 Magnetically mounted rotor
10/07/2010US20100254817 High performance low noise rotorcraft blade aerodynamic design
10/07/2010US20100252673 Aerial device
10/07/2010DE102009015805A1 Gyrocopter for carrying passengers or freight has roll axis forming angle of at least four degrees with horizontal when gyrocopter is on ground
10/07/2010DE102009015804A1 Helicopter, with a rotor and a rear propeller, has a hydraulic control system for the joystick movement to tilt the rotor head
10/07/2010DE102009001759A1 Verriegelungssystem Locking system
10/06/2010EP2236415A2 Rotor apparatus and methods for vertical lift aircraft
10/06/2010EP2236414A2 Gyrocopter
10/06/2010EP2234882A1 Self locking trim tab
10/06/2010EP2234881A2 Uniform fatigue life spherical elastomeric bearing
10/06/2010EP2234880A1 Method of making a rotor yoke and rotor yoke thereof
10/06/2010EP2234878A1 Locknut assembly for a coaxial shaft
10/06/2010EP2234792A2 Helicopter blade mandrel with roller assembly and methods to make and use it
1 ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... 102