Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
10/2013
10/23/2013EP2653384A1 Blade attachment for a bearingless rotor of a helicopter
10/23/2013EP2653383A1 An airfoil blade of a bearingless rotor of a helicopter
10/23/2013EP2653382A1 Self tuning vibration absorber
10/23/2013EP2653379A2 Propeller blade with metallic foam spar core
10/23/2013CN203246588U Four-rotor aircraft
10/23/2013CN103359285A Enhanced performance rotorcraft rotor blade
10/23/2013CN103359284A Petrol-electric hybrid four-rotor unmanned aerial vehicle
10/23/2013CN103359283A High-reliability unmanned aerial vehicle with tilt rotors
10/23/2013CN103359282A Multi-rotor aircraft
10/23/2013CN102069906B Transmission mechanism of tandem twin-rotor pilotless plane
10/23/2013CN101925512B Split pivot fitting for helicopter landing gear
10/22/2013US8561938 Directional control for a helicopter
10/22/2013US8561937 Unmanned aerial vehicle
10/19/2013CA2809976A1 Aerodynamic load-bearing surface of an aircraft, and aircraft equipped with said aerodynamic load-bearing surface
10/18/2013CA2808987A1 Self tuning vibration absorber
10/17/2013WO2013155402A1 Electric motor powered rotor drive for slowed rotor winged aircraft
10/17/2013WO2013154648A1 Gas turbine engine with high speed low pressure turbine section
10/17/2013US20130274961 Self Tuning Vibration Isolation System
10/17/2013CA2856561A1 Gas turbine engine with high speed low pressure turbine section
10/16/2013EP2650215A1 Self tuning vibration isolation system
10/16/2013EP2650120A2 Multi-layer metallic structure and composite-to-metal joint methods
10/16/2013CN103350753A Moveable wing aircraft
10/16/2013CN103350752A Four-rotor aircraft
10/16/2013CN101264799B Rotor blade for a bearingless rotor of a rotorcraft
10/15/2013US8556207 Helicopter with counter-rotating coaxial rotors without cyclic variation of pitch, equipped with means for aerodynamic control of attitude and flight path
10/15/2013CA2708269C Rotor blade and method of making same
10/11/2013CA2808989A1 Self tuning vibration isolation system
10/10/2013WO2013152300A2 Motion controlled helicopter and rotation rate switched fluid lead lag damper
10/10/2013US20130264419 Landing gear vibration absorber and method of operating said landing gear vibration absorber
10/10/2013US20130264412 Rotary wing aircraft having a tail rotor, and a method of optimizing the operation of a tail rotor
10/09/2013EP2646317A1 Frequency-dependent damper and rotary wing system
10/09/2013CN101909994B Autonomic rotor system for an aircraft
10/09/2013CN101712377B Helicopter rotor wings with commutation net cover
10/09/2013CN101674982B Rotor hub vibration attenuator
10/08/2013US8550192 Payload module for mobility assist
10/08/2013CA2733314C Blade damper, and rotor equipped with such a damper
10/03/2013WO2013146315A1 Torque estimation device for vtol aircraft, vtol aircraft, torque estimation program for vtol aircraft, and method for estimating torque for vtol aircraft
10/02/2013EP2644502A2 Enhanced performance rotorcraft rotor blade
10/02/2013EP2644501A2 Cable cutting device for aircraft
10/02/2013CN203222114U Electric small-sized unmanned helicopter for spraying pesticide
10/02/2013CN203222110U Small-size unmanned helicopter with up-mounted tail rotor
10/02/2013CN103332294A Helicopter rotor
10/02/2013CN103332293A Tilting double-duct subminiature unmanned plane
10/02/2013CN103332292A 4+4 rotor craft respectively controlled by lift force and navigation
10/02/2013CN103332291A Folding and unfolding mechanism for air-drop hex-rotor wing unmanned aerial vehicle
10/02/2013CN101871499B Piezoelectric liquid inertia vibration eliminator
10/02/2013CN101804862B Thrust steering device of unmanned aerial vehicle and control method thereof
10/01/2013US8544787 High performance tilt rotor aircraft in which nacelle tilt angle and flaperon angle mechanically interwork with each other
09/2013
09/27/2013CA2798727A1 Enhanced performance rotorcraft rotor blade
09/26/2013WO2013141935A1 Fan stagger angle for geared gas turbine engine
09/26/2013WO2013141228A1 Vibration-reducing device
09/26/2013WO2013139567A1 Altitude regulator
09/25/2013EP2641832A2 Device for monitoring the flutter and/or drag behaviour of a rotorcraft rotor blade
09/25/2013CN103318410A Vertical take-off and landing micro aerial vehicle without control surface
09/25/2013CN103318409A Energy-increasing helicopter provided with wide empennage
09/25/2013CN103318408A Helicopter with main propeller leaning forward
09/25/2013CN103318407A Standalone control system of coaxial double-rotor unmanned helicopter control system
09/25/2013CN103318406A Composite rotor craft
09/25/2013CN101585412B Helicopter antitorque tail rotor blade
09/24/2013US8543262 Electric boost of turbine engine output power and power control system
09/24/2013US8540936 Turbine blade erosion sensor
09/24/2013US8540485 Cycloidal rotor with non-circular blade orbit
09/24/2013US8540184 Long-range aircraft with high forward speed in cruising flight
09/19/2013WO2013135431A1 Rotor blade control device
09/19/2013US20130241124 Dual Frequency Damper for an Aircraft
09/19/2013US20130240663 Under swash leveling tool for radio controlled helicopters
09/19/2013DE102012203978A1 Rotorblattsteuereinrichtung Rotor blade control device
09/19/2013DE102005061751B4 Rotorblatt für ein Drehflügelflugzeug Rotor blade for a rotary wing aircraft
09/19/2013DE10046248B4 Anti-Rotation Clip Anti-rotation clip
09/18/2013EP2639155A2 Method and apparatus for wireless data transmission subject to periodic signal blockages
09/18/2013EP2639154A1 Dual frequency damper for an aircraft
09/18/2013EP2637923A1 Structural element for an aircraft and/or spacecraft and method for producing such a structural element
09/18/2013CN203199179U Main speed reducer for small and medium sized helicopter
09/18/2013CN203199178U Single-duct coaxial rotor/propeller saucer-shaped aircraft
09/18/2013CN203199177U Multi-shaft aircraft rack improvement structure
09/18/2013CN103303473A Turning control device of gyroplane
09/17/2013US8534596 Planetary de-rotation system for a shaft fairing system
09/17/2013CA2759763C Blade for helicopter anti-torque device
09/16/2013CA2805894A1 Dual frequency damper for an aircraft
09/12/2013US20130233965 Helicopter torque counteraction device
09/11/2013EP2636596A2 Engine starting system for rotorcraft in flight
09/11/2013EP2635874A1 Power safety instrument system
09/11/2013EP2587079B1 Tail rotor system
09/11/2013CN203186576U Novel structure of composite material propeller shank of helicopter
09/11/2013CN103287576A Tailless layout single tail seat type vertical take-off and landing aircraft
09/11/2013CN103287572A Rotor blade, rotor, aircraft, and method
09/10/2013US8529717 Structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade
09/10/2013US8528854 Self-righting frame and aeronautical vehicle
09/05/2013US20130228647 Rotary Wing Aircraft Propulsion System
09/05/2013US20130228646 Retracting tailwheel assembly and fin
09/05/2013DE102012203178A1 Transmission device for transmitting force from rotor blades to rotor mast to drive wings of helicopter, has spacer tube comprising longitudinal segments, where one of segments has bending elasticity greater than that of another segment
09/05/2013DE102012203177A1 Zahnradsatz, insbesondere für ein Drehflügelflugzeug Gear set, especially for a rotary wing aircraft
09/04/2013EP2634091A1 Helicopter blade retention composite yoke
09/04/2013EP2634090A1 Vibration absorbing device for flexbeams
09/04/2013EP2634089A1 Aircraft rotor blade and relative forming method
09/04/2013CN103274048A Aircraft capable of taking off and landing on complex terrain
09/04/2013CN103274047A Unmanned aerial vehicle for express parcels
09/04/2013CN103274046A Modularized pilotless helicopter for task loads
09/04/2013CN103274045A Duct airship helicopter
09/04/2013CN101990452B Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
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