| Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112) |
|---|
| 10/16/2001 | US6302356 Helicopter two stage main reduction gearbox |
| 10/16/2001 | US6302229 Air cushion transport vehicle and method for controlling same |
| 10/10/2001 | EP1140622A1 Variable diameter rotor blade actuation system |
| 10/10/2001 | EP1140621A1 A drive system for a variable diameter tilt rotor |
| 10/10/2001 | EP1140620A2 Method of providing a signal for controlling blade vortex interaction noise of a rotorcraft |
| 10/10/2001 | EP1140619A1 Helicopter single-blade rotor |
| 10/10/2001 | CN1072586C Operation of helicopter |
| 10/09/2001 | US6299102 Aviation crash sensor |
| 10/02/2001 | US6296444 Prop rotor hub |
| 10/02/2001 | US6296378 Position light for aircraft |
| 09/27/2001 | US20010023907 Rotary blade of helicopter |
| 09/27/2001 | DE10014899A1 Annular wing all-weather aircraft has drive-creating part fixed to horizontal axes connected to wing rings |
| 09/26/2001 | EP1136719A1 Vibration damper, in particular for helicopter rotor |
| 09/26/2001 | EP1136354A1 Vibration damper, in particular for an helicopter rotor |
| 09/26/2001 | EP0910534B1 Helicopter rotor blade control device |
| 09/26/2001 | CN1314287A Absorber of hozirontal rotary wing, particular for helicopter |
| 09/25/2001 | US6295006 Flap angle measurement system for an active rotor control system |
| 09/25/2001 | US6293492 Coaxial twin-rotor type helicopter |
| 09/25/2001 | US6293491 Vertical take-off and landing aircraft |
| 09/20/2001 | WO2001069058A2 Fluid loading system |
| 09/20/2001 | US20010022418 Vibration damper, in particular for a helicopter rotor |
| 09/20/2001 | DE10013385A1 Flying object, e.g. model spaceship, has drive mechanism out of sight, concealed by bodywork |
| 09/19/2001 | CN1313226A Disk-shaped aircraft with wings |
| 09/19/2001 | CN1313225A Aircraft with slant rotor |
| 09/18/2001 | US6290171 Device for controlling a helicopter hybrid countertorque system |
| 09/13/2001 | WO2001031229A3 Method and apparatus for adjusting lubricant temperature within a gearbox |
| 09/12/2001 | CN2447293Y Helicopter with rotor guard |
| 09/12/2001 | CN1312205A Spherical crown helicopter with single rotary wing and no tail paddle |
| 09/11/2001 | US6287076 Rotor blade, in particular for helicopter antitorque tail rotor |
| 09/11/2001 | US6286783 Aircraft with a fuselage substantially designed as an aerodynamic lifting body |
| 09/11/2001 | US6286782 Apparatus and method for reducing vibrations of a structure particularly a helicopter |
| 09/07/2001 | WO2001064512A1 Vertical takeoff aircraft |
| 09/06/2001 | US20010019089 Aviation crash sensor |
| 09/05/2001 | CN1070443C Stacked compound planetary gear for an upgrade powertrain system for a helicopter |
| 09/04/2001 | US6283408 Anti-vibration suspension device having a torsion spring, for a helicopter |
| 09/04/2001 | US6283406 Use of flow injection and extraction to control blade vortex interaction and high speed impulsive noise in helicopters |
| 08/30/2001 | WO2001062590A1 Method for determining a minimal set of rotor blade adjustments |
| 08/30/2001 | DE10022819C1 Verfahren und Vorrichtung zur Vermeidung der Kolllision eines rotierenden Rotorblattes eines Drehflüglers mit Blattwirbeln Method and apparatus for preventing Kolllision a rotating rotor blade of a rotorcraft blade vortices |
| 08/29/2001 | EP1127786A1 Rotary blade of helicopter |
| 08/28/2001 | US6280141 Swash-plates system for control of the pitch of rotor blades with rotating plate driver |
| 08/28/2001 | US6279704 Device for reducing the vibration generated on the structure of a rotary-wing aircraft |
| 08/28/2001 | CA2010802C Roll vibration absorber |
| 08/23/2001 | WO2001060692A1 Remote-controlled flying machine, in particular for surveillance or inspection |
| 08/23/2001 | DE10007236A1 Verfahren zum Überwachen und Auswerten von Zustandsparametern A method for monitoring and evaluation of state parameters |
| 08/21/2001 | US6276633 Convertible aircraft with tilting rotors |
| 08/21/2001 | CA2080532C Multiblade rotor, namely for the anti-torque back propeller of an helicopter and fabrication process |
| 08/21/2001 | CA2055469C Annular body aircraft |
| 08/14/2001 | US6273681 Rotor blade flap driving apparatus |
| 08/14/2001 | CA2076599C Method and device for filtering out vibrational excitations between two parts, especially between the rotor and the fuselage of an helicopter |
| 08/08/2001 | EP0794896A4 Tail rotor authority control for a helicopter |
| 08/07/2001 | US6270038 Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop |
| 08/02/2001 | US20010010348 Actuating device with at least three stable positions |
| 08/02/2001 | US20010010345 Method of improving the crashworthiness of an aircraft |
| 08/01/2001 | EP1120340A2 Method of improving the crashworthiness of an aircraft |
| 07/31/2001 | US6267331 Airfoil with dynamic stall control by oscillatory forcing |
| 07/29/2001 | CA2331107A1 Method of improving the crashworthiness of an aircraft |
| 07/26/2001 | WO2001053150A1 Aircraft with rotary wings |
| 07/26/2001 | DE10001159A1 Vibration insulator for helicopter; has two force conduction points connected by insulator that generates dynamic counter oscillations, which are transmitted by spring system |
| 07/26/2001 | CA2397626A1 Aircraft with rotary wings |
| 07/25/2001 | CN1305423A Rotor or propeller with blade folding and pitch control devices |
| 07/24/2001 | US6263936 Technique for making fiber composite object |
| 07/19/2001 | DE10037540A1 Technik zum Herstellen eines Faserverbundgegenstandes Technique for manufacturing a fiber composite article |
| 07/18/2001 | EP1115614A1 Fluid damper including flexible damping plate |
| 07/18/2001 | CN2439400Y Helicopter with wings |
| 07/17/2001 | US6260809 Ovate loop for rotary-wing blades |
| 07/17/2001 | US6260796 Multi-thrustered hover craft |
| 07/10/2001 | US6257529 Servo actuator apparatus and aircraft control apparatus |
| 07/05/2001 | WO2001048378A1 Butt joint for hollow profiles |
| 07/05/2001 | WO2001002742A3 Rotor with a split rotor blade |
| 07/05/2001 | US20010006207 Control surface for an aircraft |
| 07/05/2001 | DE19962989A1 Stossverbindung für Hohlprofile Butt joint for hollow sections |
| 07/05/2001 | DE19961071A1 Kupplungsmembran Coupling membrane |
| 07/04/2001 | CN2437594Y Annular-wing helicopter |
| 07/03/2001 | US6254504 Power transmission apparatus for helicopter |
| 06/28/2001 | DE19958058A1 Drive unit for model helicopter comprises turbine drive with gearbox arranged on inlet side |
| 06/27/2001 | CN1300676A Helicopter-type vehicle with cyclone gyro for space and land |
| 06/21/2001 | US20010004440 Coupling membrane for a helicopter rotor head |
| 06/19/2001 | US6247670 Active flaperon assembly |
| 06/19/2001 | CA2083904C Multi blade rotor with variable blade pitch for aft anti-torque of an helicopter |
| 06/19/2001 | CA2072810C Process and device for the reduction of divergent type oscillations of the fuselage of an helicopter |
| 06/14/2001 | WO2001026948A3 Microwave blade tracker |
| 06/13/2001 | CN2434226Y Active rotary wing helicopter |
| 06/13/2001 | CN2434225Y Rotary wing helicopter |
| 06/13/2001 | CN1067027C Composite cuff structure for helicopter rotors |
| 06/13/2001 | CN1067026C Axisymmetric elastomeric bearing assembly for helicopter rotors |
| 06/12/2001 | US6244537 Apparatus for operating a wing in three modes and system of use |
| 06/07/2001 | WO2001040052A1 Aircraft rotor and aircraft |
| 06/06/2001 | EP1104389A1 Method for reducing blade-vortex interaction noise generated by a rotary wing |
| 05/30/2001 | EP1103461A1 Improvements in or relating to sealing arrangements |
| 05/30/2001 | EP1102614A1 Model helicopter |
| 05/30/2001 | CN1296902A Vertical-lift unit for helicopter |
| 05/30/2001 | CN1066371C 轴相位控制机构 Axis phase control mechanism |
| 05/23/2001 | DE19944124C1 Entlüftungsventil mit Be- und Entlüftungskanal für ein Tankgefäß eines Hubschraubers Vent valve with ventilation duct for a tank vessel of a helicopter |
| 05/23/2001 | CN1066114C Apparatus and method for fabricating helicopter main rotor blade |
| 05/22/2001 | US6234751 Oscillating air jets for reducing HSI noise |
| 05/22/2001 | US6234422 Uniblade air rotor and flight and covercraft vehicles with its |
| 05/22/2001 | CA1341239C Pale a faible signature radar |
| 05/21/2001 | CA2315524A1 Personal hoverplane having four tiltmotors |
| 05/17/2001 | WO2001034466A1 Helicopter with highly stable and highly manoeuvrable pendular piloting system |
| 05/17/2001 | DE19945791C1 Hubschraubergetragene Radaranlage Helicopter-borne radar system |