Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
11/2009
11/11/2009CN101575005A Disc-shaped aircraft
11/11/2009CN101575004A Flight-mode-variable unmanned aircraft with multiple sets of coaxial rotors
11/10/2009US7614585 Multi-servicing and retractable bridge for an operational ground support system
11/10/2009CA2569609C Helicopter
11/10/2009CA2402907C Fluid loading system
11/05/2009DE202009008946U1 Entwurf einer Personenflugschraube und Dynamikgenerator Draft passenger air screw and dynamics of Generator
11/04/2009EP1841645B1 Assembly for providing flexure to blade system
11/03/2009US7611090 Reaction-drive rotorcraft having an adjustable blade jet
10/2009
10/29/2009WO2009132090A1 Rotor hub systems and methods
10/29/2009WO2009131600A2 Main rotor blade with integral cuff
10/29/2009WO2009131479A1 Vertical take-off and vertical landing gyroplane
10/29/2009US20090269205 Main rotor blade with integral cuff
10/29/2009US20090269200 Rotor Hub Systems and Methods
10/29/2009US20090269199 Swashplateless helicopter blade actuation system
10/29/2009US20090266942 Tilt outboard wing for tilt rotor aircraft
10/29/2009US20090266941 Combination Spar and Trunnion Structure for a Tilt Rotor Aircraft
10/28/2009EP2112064A2 Spherical elastomeric bearing with improved shim thickness
10/27/2009US7607892 Rotorcraft rotor with blades hinged in flap and in lag
10/27/2009US7607607 De-rotation system suitable for use with a shaft fairing system
10/27/2009US7607606 VTOL personal aircraft
10/22/2009WO2009127577A1 Linearization of actuators affected by hysteresis
10/22/2009WO2009108178A3 Coaxial rotor aircraft
10/22/2009WO2009079164A3 Uniform fatigue life spherical elastomeric bearing
10/22/2009US20090261209 Convertible aircraft
10/21/2009EP2109720A2 Self-retaining anti-rotation clip
10/21/2009CN101559834A Lift device of aircraft
10/21/2009CN101559833A Passive vibration isolation device of main speed reduction box of helicopter
10/21/2009CN101559832A Fast hybrid helicopter with large range
10/21/2009CN101559702A Longitudinal-line-type dual-culvert vertical-lifting air-ground vehicle
10/20/2009US7604460 Rotorcraft rotors having twistable blades
10/20/2009US7604198 Rotorcraft having coaxial counter-rotating rotors which produce both vertical and horizontal thrust and method of controlled flight in all six degrees of freedom
10/15/2009WO2009126905A1 Tilt actuation for a rotorcraft
10/15/2009WO2009126626A2 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
10/15/2009WO2009126608A2 Helicopter vibration control system and circular force generation system for canceling vibrations
10/15/2009WO2009126469A1 Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
10/15/2009WO2009082581A3 Main rotor blade with integral tip section
10/15/2009WO2009079162A3 Main rotor blade with integral tip section
10/15/2009WO2009079161A3 Main rotor blade with integral tip section
10/15/2009CA2722652A1 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
10/15/2009CA2722626A1 Helicopter vibration control system and circular force generation system for canceling vibrations
10/15/2009CA2719052A1 Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
10/14/2009EP1943143B1 Aircraft
10/14/2009CN101557981A Vortex generators on rotor blades to delay an onset of large oscillatory pitching moments and increase maximum lift
10/14/2009CN100549635C Method of adjusting at least one faulty rotor of a rotorcraft
10/14/2009CN100548799C Personal flying device
10/13/2009US7600976 Rotor blade twist distribution for a high speed rotary-wing aircraft
10/13/2009US7600975 Turbine and rotor therefor
10/13/2009US7600711 Flexible ducting system including an articulable sealed joint
10/13/2009CA2484328C Integrated three function valve
10/08/2009US20090252608 System and a method for dynamically balancing a blade
10/08/2009US20090250549 Aircraft
10/08/2009US20090250548 Flexible ducting system including an articulable sealed joint
10/08/2009DE102008014853A1 Drehflügelfluggerät Rotary-wing aircraft
10/08/2009DE102006019300B4 Flugzeug Aircraft
10/08/2009CA2732425A1 Linear wind-powered electric generator
10/07/2009EP2107002A2 Collective system for rotary wing aircraft
10/07/2009EP2107001A1 Method for manufacturing a helicopter cockpit
10/07/2009EP1514797B1 Closed wing
10/07/2009EP1500588B1 Method for producing a lift and a horizontal thrust
10/07/2009CN201321159Y Unmanned aircraft with vertical ducts
10/07/2009CN101549754A A composite rotating fixed-wing aircraft and its design method
10/06/2009US7597285 Fluid dynamically effective surface for minimizing induced resistance
10/01/2009WO2009079049A3 Electric powered rotary-wing aircraft
10/01/2009US20090242691 Swashplate trajectory control
10/01/2009DE102008015073A1 Helicopter comprises main rotor arranged on cabin, on which rear rotor is fixed over rear bracket at distance from cabin for torque balancing, where rear bracket is provided with units for aerodynamic support for torque balancing
09/2009
09/30/2009EP2105379A2 Swashplate trajectory control
09/30/2009EP2105378A1 Fast hybrid helicopter with large range
09/30/2009CN201317461Y Coaxial heligyro without inclinators
09/29/2009US7594625 Proprotor blade with leading edge slot
09/29/2009US7594623 Torsionally de-coupled engine mount system
09/24/2009WO2009115300A1 Rotary-wing aircraft
09/24/2009WO2009092898A3 Rotor swashplate
09/24/2009WO2009044013A3 Aerial device
09/24/2009WO2009032386A3 Fly-by-wire flight control system with electronic lead/lag damper algorithm
09/24/2009US20090236468 Dual frequency hub mounted vibration suppressor system
09/24/2009US20090236467 Rotary Aircraft Download Alleviation Apparatus and Methods
09/24/2009CA2717810A1 Rotary-wing aircraft
09/23/2009CN101541634A High performance low noise helicopter blade aerodynamic design
09/17/2009WO2009094113A3 Helicopter blade mandrel with roller assembly and methods to make and use it
09/17/2009US20090232040 Scanning groups of profiles of wireless local area networks
09/17/2009US20090230235 Tambourine helicopter
09/16/2009EP2099676A2 Bearingless rotor blade assembly for a high speed rotary-wing aircraft
09/11/2009WO2009109173A1 Piezo actuator having piezo elements disposed on a carrier and method for the production thereof
09/10/2009US20090226325 Composite Blade Root Structure
09/10/2009US20090224095 Ducted vertical take-off and landing (vtol) personnel carrier
09/10/2009DE102008012281A1 Piezo-Aktuator mit auf einem Träger angeordneten Piezo-Elementen und Verfahren zu seiner Herstellung Piezo actuator arranged on a support with piezo elements and process for its preparation
09/10/2009DE102008012275A1 Extendable/foldable side rudder sail for helicopter, has telescope bars/pipes provided under continuous operating voltage for emergency rescue system, and centrifugal force actuator for system to rapidly turn helicopter at vertical axis
09/10/2009DE102008012181A1 Verfahren zum Anzeigen eines Lärmwerts eines Drehflüglers Method for displaying a noise value of a rotorcraft
09/09/2009EP2098449A1 Damping device and aerodyne rotor system including same
09/09/2009EP2097317A1 System and process of vector propulsion with independent control of three translation and three rotation axis
09/09/2009EP2097316A2 Hybrid actuator for helicopter rotor blade control flaps
09/09/2009EP1543253B1 Piezoelectric liquid inertia vibration eliminator
09/09/2009CN201305132Y Hydrogen helicopter
09/09/2009CN101528540A Step-over blade-pitch control system
09/09/2009CN101526122A Damping device and plane rotator system comprising the same
09/09/2009CN101525050A Gyroplane blade provided with spar surrounded by fasteners and construction method of spar
09/09/2009CN101525049A High-speed rotator type helicopter
09/08/2009US7585156 Strained capable conductive/resistive composite hybrid heater for thermal anti-ice device
09/08/2009US7585153 Upper rotor control system for a counter-rotating rotor system
09/08/2009US7585151 Rotorcraft blade provided with a flap that is tiltable with the help of at least one main ball joint having a first shaft that is secured to said flap
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ... 102