| Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112) |
|---|
| 04/21/1993 | EP0538088A1 Multiblade rotor, in particular for helicopter anti-torque rotor, and its manufacturing process |
| 04/20/1993 | US5204605 Position-controlled actuator |
| 04/20/1993 | US5203522 Resealable protective boot |
| 04/20/1993 | US5203521 Annular body aircraft |
| 04/20/1993 | CA1316517C Composite blade having streamlined outer shell and method of making |
| 04/15/1993 | WO1993007054A1 Device for automatically stabilizing the yaw motion of a helicopter |
| 04/13/1993 | US5201551 Twist canister for rotating joint |
| 04/07/1993 | EP0535114A1 Linkage rod. |
| 04/06/1993 | US5199851 Helicopter rotor blades |
| 04/06/1993 | US5199849 Helicopter swashplate mounted on articulations uncouled in pitching and rolling |
| 03/30/1993 | CA1315259C Bent-tip blade for aircraft rotary-wing |
| 03/30/1993 | CA1315257C Shrouded rotor blade having helicopter tail reduced diameter |
| 03/27/1993 | CA2052334A1 Turbojets mounted on helicopter blades |
| 03/24/1993 | CN2128616Y 电力直升机 Power Helicopter |
| 03/23/1993 | US5195700 Helicopter flight control system |
| 03/23/1993 | CA1314857C Helicopter weight and torque advisory system |
| 03/18/1993 | WO1993005462A1 Low speed model following velocity command system for rotary wing aircraft |
| 03/18/1993 | WO1993004917A1 Bearingless main rotor assembly torque tube |
| 03/17/1993 | EP0318477B1 Improvements to vertical take-off aircraft |
| 03/17/1993 | EP0317554B1 Steering aid for rotor aircraft |
| 03/16/1993 | US5195039 Hover position hold system for rotary winged aircraft |
| 03/04/1993 | WO1993003961A1 Shroud geometry for unmanned aerial vehicles |
| 03/03/1993 | EP0530075A1 Method and device to filter the vibratory excitations between two pieces, in particular between the rotor and the fuselage of an helicopter |
| 03/02/1993 | US5190244 Antiresonant suspension device for a helicopter |
| 03/02/1993 | US5190243 Device for the adjustment of the maneuver forces of movable members of an aircraft |
| 03/02/1993 | US5190242 Model jet helicopter with solid-circular rotor blade |
| 03/02/1993 | US5189929 System and method for transmission gearbox noise control utilizing localized oil cooling/heating |
| 02/23/1993 | US5188513 Snubber-bearing with combined elastomer laminates |
| 02/23/1993 | US5188512 Helicopter blade pitch control system |
| 02/23/1993 | US5188511 Helicopter anti-torque device direct pitch control |
| 02/18/1993 | WO1993002918A1 Ducted tail rotor for rotary wing aircraft providing torque reaction and yaw attitude control |
| 02/18/1993 | WO1993002917A1 Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft |
| 02/18/1993 | WO1993002916A1 Ducted fan and pitch controls for tail rotor of rotary wing aircraft |
| 02/17/1993 | EP0527135A1 Method and apparatus for structural actuation and sensing in a desired direction |
| 02/17/1993 | CN1068998A Transmission differential mechanism for coaxial rotor flying vehicle |
| 02/16/1993 | US5186686 Link and bearing for rotary coupling |
| 02/04/1993 | WO1993002405A1 Adaptive control system input limiting |
| 02/04/1993 | WO1993001976A1 Lift generating method and apparatus for aircraft |
| 02/02/1993 | US5184054 Friction actuator |
| 01/26/1993 | US5181829 Helicopter blade |
| 01/21/1993 | DE4119736A1 Bicycle with connected crank and crank lever linkage - has two-sided levers as linkages, moving up and down, on pedal axis, and connected to rear wheel |
| 01/20/1993 | EP0524044A1 Helicopter anti-torque system |
| 01/14/1993 | DE4122296A1 Device to close off gap at rotor blade of rotary wing aircraft - has flexible, textile seal foldably fitted in gap between blade housing and blade neck. |
| 01/13/1993 | EP0522035A1 Propeller with twistable blades. |
| 01/12/1993 | US5178344 VTOL aircraft |
| 01/12/1993 | US5178241 Hydraulic damper and elastic-return strut comprising such a damper |
| 01/07/1993 | EP0521792A1 Rotary wing aircraft rotor head, rigid in drag and articulated in pitch and flapping |
| 01/07/1993 | EP0521760A1 Device to adjust the operating effort of aircraft control members |
| 01/07/1993 | EP0521759A1 Method and device to reduce the divergent oscillations of a helicopter fuselage |
| 01/04/1993 | CA2072767A1 Device for adjusting the effort exerted to operate mobile equipment in an aircraft |
| 12/29/1992 | US5174721 Helicopter rotor blades |
| 12/29/1992 | US5174523 Compound helicopter with engine shaft power output control |
| 12/29/1992 | US5174024 Protective layer of metal foil and woven steel mesh; aircraft blade |
| 12/23/1992 | EP0519786A1 Elastic connection device between two parts, and rotorcraft equipped with it |
| 12/23/1992 | EP0494217A4 Active accumulator vibration absorbing system |
| 12/22/1992 | CA1311735C Helicopter rotor blade in multi-spar composite material including torsion boxes; process for making said blade |
| 12/17/1992 | DE4119388A1 Side rotor for helicopter - works with propeller thrust direction forwards and is fitted to height tailplane peak of rotor blade offset side before or behind height tailplane |
| 12/16/1992 | EP0518598A1 Helicopter rotor blades |
| 12/15/1992 | CA1311459C Composite helicopter rotor hub |
| 12/10/1992 | DE4207232A1 Hovering helicopter slewing control - comprises rotary cylinder driven by electric motor and protruding from tail |
| 12/09/1992 | EP0517467A1 Rotary-wing blade of rotary-wing aircraft |
| 12/09/1992 | EP0510096A4 Continuously active pressure accumulator power transfer system |
| 12/08/1992 | US5168703 Continuously active pressure accumulator power transfer system |
| 12/01/1992 | US5167384 Increasing lift on helicopter rotor blades and aircraft propellers |
| 12/01/1992 | CA1311034C Approach to hover control system for helicopters |
| 11/25/1992 | CN2122833U Drive differential mechanism for coaxial rotorcrafts |
| 11/25/1992 | CN1019178B Blade of composite materials and its manufacturing process |
| 11/24/1992 | US5165854 Mechanism for controlling pitch change in helicopter blades |
| 11/24/1992 | US5165853 Main helicopter rotor |
| 11/19/1992 | EP0513190A1 Vibration isolation support mounting system |
| 11/18/1992 | CN1066251A Rotor wing |
| 11/17/1992 | US5163815 Rotor blade control mechanism |
| 11/17/1992 | US5163638 Engine and lift unit for aircraft and new type of aircraft fitted with such a unit |
| 10/29/1992 | DE4113624A1 Drive for taking power from or giving power to rotors of machine - has ring with toothed belt and electric generators |
| 10/28/1992 | EP0511055A1 Elastic connecting rod for active suspension system |
| 10/28/1992 | EP0510096A1 Continuously active pressure accumulator power transfer system |
| 10/28/1992 | CN1065632A Wild goose type single rotor helicopter installed with culvert type end wing |
| 10/27/1992 | US5158631 Winding on mandrel; cutting; series of unidirectional high tensile strength filaments extending full length of ply |
| 10/23/1992 | CA2066541A1 Elastic connecting bar for a system for active control of vibrations |
| 10/21/1992 | CN1065433A Long-range and high-speed rotor helicopter |
| 10/20/1992 | US5156527 Main helicopter rotor |
| 10/20/1992 | US5156363 Helicopter collective stick of the displacement type occupying a minimum space envelope yet whose grip generates an arc of large radius |
| 10/14/1992 | EP0508938A1 Main rotor assembly support truss |
| 10/14/1992 | EP0508027A1 Helicopter antitorque device |
| 10/14/1992 | EP0508026A1 Integrated helicopter empennage structure |
| 10/14/1992 | EP0508025A1 Shroud-fin integration shelf for a helicopter empennage structure |
| 10/14/1992 | EP0507898A1 Process and device for balancing non-stationary cyclic forces in rotary systems |
| 10/13/1992 | US5154371 For a helicopter |
| 10/12/1992 | CA2058197A1 Integrated helicopter enpennage structure |
| 10/12/1992 | CA2058011A1 Helicopter antitorque device |
| 10/06/1992 | US5152478 Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls |
| 09/30/1992 | EP0506510A1 Device for reacting to static stresses and to dampen vibrations between two parts |
| 09/30/1992 | CN1064839A Non-tail propeller, high-stability double-rotary-wing helicopter |
| 09/29/1992 | US5150857 Shroud geometry for unmanned aerial vehicles |
| 09/22/1992 | US5149311 Gear unit, particularly for use in a helicopter |
| 09/22/1992 | US5149014 Rotary wing aircraft |
| 09/22/1992 | US5149013 Retractable helicopter rotor |
| 09/10/1992 | DE4107619A1 Rotor blade hydraulic damper - consists of single hydraulic actuating cylinder, in which fluid pressure gradient is kept constant by set of siphon glands |
| 09/09/1992 | EP0502809A1 Adjustment means for helicopter rotor blade viscous damper |
| 09/08/1992 | US5145321 Helicopter rotors with elastomeric bearings |