| Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112) |
|---|
| 05/16/2001 | CN2430356Y Torque rotary wing driving device for helicopter with no conteract |
| 05/15/2001 | US6231308 Rotor blade for rotary wing aircraft |
| 05/15/2001 | US6231013 Airfoil member with a piezoelectrically actuated servo-flap |
| 05/15/2001 | US6231005 Device for the individual control of the rotor blades of the rotary wing structures of aircraft with multiple swashplates |
| 05/10/2001 | WO2001033084A1 Vortex generator |
| 05/10/2001 | US20010001033 Optimum speed rotor |
| 05/10/2001 | CA2389346A1 Vortex generator |
| 05/09/2001 | CN1065492C Method and device for balancing helicopter rotor blades |
| 05/08/2001 | US6227805 Composite material variable pitch blade for helicopter rotor and manufacturing process of such a blade |
| 05/08/2001 | US6227482 Gyroscope for remote-controlled helicopters |
| 05/03/2001 | WO2001031229A2 Method and apparatus for adjusting lubricant temperature within a gearbox |
| 05/02/2001 | EP1095850A2 Rotor blade flap driving apparatus |
| 05/01/2001 | US6224452 Radio controlled aerial disc |
| 05/01/2001 | US6224014 Device for reducing line noise inside a rotary-wing aircraft, especially a helicopter |
| 04/25/2001 | CN1064897C Apparatus and method for assembling helicopter main rotor blade subassembly |
| 04/25/2001 | CN1064896C Apparatus and method for installing leading-edge sheath onto helicopter main rotor blade subassembly |
| 04/24/2001 | US6220550 Actuating device with multiple stable positions |
| 04/24/2001 | US6220545 Method and apparatus for sensing preload in a tilt rotor downstop |
| 04/19/2001 | WO2001026966A1 Circulation control slots in helicopter yaw control system |
| 04/19/2001 | WO2001026948A2 Microwave blade tracker |
| 04/19/2001 | DE19950031A1 Rotor for propelling aircraft or has curved air channels which have openings at top and bottom, air being sucked in through upper nozzles and blown out through lower nozzles. |
| 04/12/2001 | DE10046248A1 Anti-Rotation Clip Anti-rotation clip |
| 04/11/2001 | EP1003671B1 Gearbox with torque division, in particular for a helicopter rotor drive |
| 04/10/2001 | US6213712 Helicopter blade positioning mechanism for foldable rotor blades |
| 04/10/2001 | US6212874 Propulsion system |
| 04/05/2001 | WO2001023907A1 Helicopter-borne radar system |
| 04/05/2001 | WO2001023255A1 Integrated engine and transmission units for rotary wing aircraft |
| 04/05/2001 | DE19944412A1 Hollow shaft as rotor mast of helicopter has device provided inside cavity of hollow shaft for detecting cracks in shaft and connected to analyzing and indicating unit |
| 04/05/2001 | DE10037539A1 Einstellbarer Schwenkrotor-Abwärtsstop mit geringer Höhe Adjustable tilt rotor-down stop of low height |
| 04/04/2001 | EP1088755A2 Prop rotor hub |
| 04/04/2001 | EP1088754A2 Composite helicopter rotor yoke |
| 04/04/2001 | EP1056640A4 Optimum speed rotor |
| 04/03/2001 | US6209824 Control surface for an aircraft |
| 04/01/2001 | CA2320629A1 Prop rotor hub |
| 03/29/2001 | WO2001021970A1 Hybrid ball bearing with oblique contact, and axial stop comprising same |
| 03/29/2001 | CA2384710A1 Hybrid ball bearing with oblique contact, and axial stop comprising same |
| 03/22/2001 | WO2001020182A1 Hybrid ball bearing with oblique contact |
| 03/22/2001 | CA2384560A1 Hybrid ball bearing with oblique contact |
| 03/21/2001 | EP1085152A2 Flap hinge mechanism and method for manufacturing the same |
| 03/21/2001 | EP1084952A2 Vent valve with venting channel for helicopter fuel tanks |
| 03/21/2001 | EP1084950A1 Device for releasing a parachute |
| 03/21/2001 | EP1084347A1 Wind turbine hub |
| 03/20/2001 | US6203277 Gyroplane rotor with double-plate hub and external pitch control |
| 03/20/2001 | US6203269 Centrifugal air flow control |
| 03/20/2001 | CA2319295A1 Anti-rotation clip |
| 03/14/2001 | EP1083123A1 Flap drive device of rotor blade |
| 03/13/2001 | US6200097 Hub for rotor head of rotary-wing aircraft and rotor head with such hub |
| 03/13/2001 | US6200096 Actuation system for an active rotor control system |
| 03/13/2001 | US6199799 Parachute device for helicopters |
| 03/07/2001 | EP1080398A2 Earth-referenced wind adjustment for hovering aircraft |
| 03/06/2001 | US6198991 Low-noise level landing apparatus and system for helicopters |
| 03/06/2001 | US6196800 Rotor blade for a bearingless rotor of a helicopter |
| 03/06/2001 | US6196796 High torque actuation system for an active rotor control system |
| 03/06/2001 | US6196066 Rotor aircraft rotor blade with static and dynamic balancing device and balancing process of a blade |
| 03/01/2001 | WO2001014943A1 Aerial photography camera system for a helicopter |
| 02/28/2001 | EP1078308A2 Navigation of helicopter with limited polar groundspeed commands |
| 02/27/2001 | US6194499 Adhesives for hot bonding of substrates |
| 02/27/2001 | US6193464 Active brake control for rotor/wing aircraft |
| 02/27/2001 | US6193189 Rotary engine and helicopter application |
| 02/27/2001 | US6193032 Piezoceramic vibration control device and tuning control thereof |
| 02/21/2001 | CN1062226C Counter-torque device with rotor and flow-straightening stator, both of which are ducted, and inclined flow-straightening vanes |
| 02/21/2001 | CN1062225C Pitch changeable multi-blade rotor for ducted anti-torque device in helicopter |
| 02/21/2001 | CN1062224C Counter-torque device with rotor and flow-staightening stator, both of which are ducted, and phase modulation of the blades of the rotor, for helicop |
| 02/20/2001 | US6190132 Rotor blade for rotorcraft |
| 02/20/2001 | CA2316418A1 High speed rotor aircraft |
| 02/15/2001 | DE10037537A1 Maintaining the pre-load between relatively movable members particularly in a tilt rotor aircraft using an actuator to provide the force used to create the pre-load |
| 02/12/2001 | CA2314835A1 Low-height tunable tilt rotor downstop |
| 02/07/2001 | CN1283158A Active noise control system for helicopter gearbox mount |
| 02/07/2001 | CN1061618C Counter-torque device with ducted rotor and phase modulation of blades for helicopter |
| 02/06/2001 | US6182929 Load carrying structure having variable flexibility |
| 02/06/2001 | US6182923 Helicopter with control by displacement of its center gravity |
| 02/06/2001 | CA2314836A1 Method and apparatus for sensing preload in a tilt rotor downstop |
| 02/06/2001 | CA2314833A1 Technique for making fiber composite object |
| 01/26/2001 | CA2314655A1 Control system for rotor aircraft |
| 01/25/2001 | DE19931035A1 Rotor mit gespaltenem Rotorblatt Rotor with a split blade |
| 01/24/2001 | EP1070663A2 Drive system for a tiltrotor aircraft |
| 01/24/2001 | EP1070662A1 Rotorblade for a bearingless helicopter rotor |
| 01/23/2001 | US6176679 Rotor with folding blades, for the rotary wings of an aircraft |
| 01/23/2001 | US6176136 Method and device for determining the state of a vibrating structure of a rotary wing aircraft |
| 01/23/2001 | CA2122124C Method for folding helicopter main rotor blades |
| 01/23/2001 | CA2113179C Ducted tail rotor for rotary wing aircraft providing torque reaction and yaw attitude control |
| 01/17/2001 | EP1068564A1 Integrated fire and flight control system with automatic engine torque limiting |
| 01/17/2001 | EP0773881A4 Yaw control and stabilization system for helicopters |
| 01/17/2001 | CN1060732C Counter-torque device with ducted tail rotor and ducted flow-straightening stator for helicopters |
| 01/17/2001 | CN1060731C Wire cutting system for plane |
| 01/16/2001 | CA2026399C Helicopter rotors |
| 01/11/2001 | WO2001002742A2 Rotor with a split rotor blade |
| 01/09/2001 | US6171056 Technique for providing a signal for controlling blade vortex interaction noise of a rotorcraft |
| 01/09/2001 | US6170779 Rotor pitch lock for rotary/wing aircraft |
| 01/09/2001 | US6170778 Method of reducing a nose-up pitching moment on a ducted unmanned aerial vehicle |
| 01/02/2001 | US6168530 Device for coaxially coupling two shafts, especially for a helicopter |
| 01/02/2001 | US6168383 Rotor blade for rotary-wing aircraft |
| 01/02/2001 | US6168379 Helicopter rotor blade with a movable flap |
| 12/28/2000 | DE19926047A1 Helicopter airframe with tail boom and rotor shapes boom asymmetric to main boom and rotor stream impact aided by extensible sheets or boom skin-spiralling coils. |
| 12/26/2000 | US6164918 Helicopter blade aerofoil |
| 12/26/2000 | US6164915 Simplified anti-vibration suspension device for a helicopter |
| 12/26/2000 | US6164590 Variable body helicopter with tandem lifting rotors |
| 12/21/2000 | WO2000076844A1 Device for simultaneously interlocking a plurality of actuators |
| 12/21/2000 | DE19925982A1 Rotary-wing aircraft has actively controllable interface between airframe and rear boom to suppress oscillation |
| 12/19/2000 | US6162313 Method for producing a composite structure including a piezoelectric element |