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