Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
06/2000
06/29/2000WO1999038770A8 Wire strike protection system with integrated antenna
06/20/2000US6077042 Helicopter rotor brake
06/20/2000US6077041 Reduction drive and torque-limiting clutch for autogyro aircraft
06/20/2000US6076776 Profile edge of an aerodynamic profile
06/20/2000CA2115166C Bearingless main rotor assembly torque tube
06/14/2000EP1007406A2 Vibration isolator for rotorcraft
06/14/2000CN2382652Y Composite rotary wing of aeroplane
06/13/2000US6076024 Earth-referenced wind adjustment for hovering aircraft
06/13/2000US6074168 Swash-plate device for controlling the pitch of the blades of a rotor with rotary guided parts on slides translated along the rotor axis
06/08/2000WO2000032469A1 Hybrid toroidal airship
06/08/2000WO2000032468A1 Helicopter single-blade rotor
06/08/2000CA2353583A1 Helicopter single-blade rotor
05/2000
05/31/2000EP1003671A1 Gearbox with torque division, in particular for a helicopter rotor drive
05/30/2000US6067853 Device for reducing the vibration in the cabin of a rotary-wing aircraft, especially a helicopter
05/24/2000EP0944522A4 Hovering aircraft
05/24/2000CN1052680C Method and apparatus for forming airfoil structure
05/23/2000US6065933 Folding rotor blade/propeller drive and pitch control actuator
05/23/2000US6065718 Universal VTOL power and rotor system module
05/23/2000CA2113648C Adaptive control system input limiting
05/18/2000WO2000027698A1 Rotor hub for rotating wing aircraft
05/18/2000DE19910448C1 Rotor head for helicopter has rotary shaft formed as funnel shaped enclosure for drive
05/17/2000EP0774084B1 Fluid damping devices
05/17/2000EP0651713B1 Variable diameter rotor drive system
05/17/2000CN1253532A Blade profile for aircraft rotor and rotor comprising same
05/16/2000US6062818 Rotor head pendular resonator
05/10/2000EP0998537A1 Adhesive composition for hot bonding and bonding method using same
05/10/2000CN2377173Y Dish shaped bottom rotor helicopter
05/10/2000CN1252754A Apparatus and method for assembling a helicopter main rotor blade subassembly
05/10/2000CN1252753A Apparatus and method for installing a leading-edge sheath onto a helicopter main rotor blade subassembly
05/09/2000US6059226 Navigation of helicopter with limited polar groundspeed commands
05/03/2000EP0996570A1 Structural component having means for actively varying its stiffness to control vibrations
05/03/2000EP0996569A1 Method and device for assisting the pilot in controlling the turboshaft power and/or rotor speed of heat-propelled helicopters
05/02/2000US6056838 Method for manufacturing a variable-pitch composite blade for a helicopter rotor
04/2000
04/27/2000WO1997030813A9 Shaft phase control mechanism
04/27/2000DE19847729A1 Universal transporting vehicle has propulsion unit with pressure housing with contra-rotating radial turbine wheels installed on common hollow shaft, and combustion chambers with jets installed on outer ends of turbine wheels
04/26/2000EP0935557B1 Device for measuring and calibrating the control angles and control forces of a rotor blade
04/25/2000US6053700 Ducted turbine
04/25/2000US6053452 Compensation apparatus for main rotor torque
04/20/2000DE19836729C1 Bearing for helicopter rotor drive shaft incorporates electrical sensor wire coupled to evaluation device for monitoring bearing during helicopter flight
04/18/2000US6050778 Semi-articulated rotor system
04/18/2000US6050521 Releasable coupling for a helicopter tail rotor power transmission line
04/18/2000CA2138656C An unmanned aerial vehicle having ducted, coaxial counter-rotating rotors
04/12/2000EP0991569A1 Blade profile for aircraft rotor and rotor comprising same
04/11/2000US6047924 Method of folding the blades of a main rotor of a rotary-wing aircraft, and apparatus for implementing the method
04/05/2000CN2372230Y High-lift helicopter rotor blade
04/05/2000CN1249720A Aircraft with fuselage substantially designed as aerodynamic lifting body
04/04/2000US6045328 Fluid damper including flexible damping plate
04/04/2000US6045090 Device for reducing the vibrations generated by a lift rotor of a rotary-wing aircraft
03/2000
03/30/2000WO2000017047A1 Fluid damper including flexible damping plate
03/30/2000DE19833869C1 Sectional mold for wind power rotor blade made of fiber-reinforced resin, produces blades of differing size and improved aerodynamic efficiency, avoiding cost of stocking one mold per blade
03/30/2000CA2344819A1 Fluid damper including flexible damping plate
03/29/2000CN1249037A Fuselage pilot-static tube and the aerodynamic profile of its strut
03/28/2000US6042499 Power transmission device for helicopter
03/23/2000DE19841855A1 Individual blade control device for a helicopter main rotor permits use of a smaller hydraulic pump
03/23/2000DE19841853A1 Individual blade control device for a helicopter main rotor makes use of the swash plate to transfer control movements
03/22/2000CN1247821A Rotary wing pre-rotating device for rotorcraft
03/21/2000US6039538 Multi-blade rotor for a helicopter
03/16/2000WO1999064942A3 Navigation of helicopter with limited polar groundspeed commands
03/15/2000CN1050333C Flight device
03/14/2000US6036442 Device for folding of a helicopter rotor blade
03/14/2000US6036141 Jet thruster for helicopter antitorque and yaw control system
03/14/2000US6035531 Method for manufacturing a variable-pitch composite blade for a helicopter rotor
03/09/2000DE19859041C1 Adjustable blade profile for helicopter rotor blade has variable spring force acting between blade body and profile edge adjusted relative to blade longitudinal direction
03/07/2000US6033312 Method and apparatus for controlling lateral vibration in a rotating shaft
03/07/2000US6033182 Swash-plate device for controlling the pitch of rotor blades with non rotating plate stop track and pin
03/07/2000US6033180 Rotor blade with a rotary spoiler
03/07/2000US6032899 Blade pitch locking device for a main rotor of a rotary-wing aircraft
03/01/2000EP0981478A1 Rotor blade, in particular for helicopter antitorque tail rotor
02/2000
02/29/2000US6030177 Drive system for a variable diameter tilt rotor
02/29/2000US6029930 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter
02/23/2000EP0980824A2 Rotorblade for a bearingless helicopter rotor
02/23/2000EP0897492B1 Vibration isolated ring gear for planetary gear drive
02/17/2000WO2000007683A1 Model helicopter
02/15/2000US6024325 Rotor for rotary wing aircraft
02/15/2000US6024324 Method of monitoring an epicyclic assembly of a vehicle equipped with acceleration sensors in particular a helicopter
02/10/2000DE19835385A1 Modellhubschrauber Model Helicopter
02/08/2000US6021976 Operation of a helicopter
02/04/2000WO2000009393A1 Method for reducing blade-vortex interaction noise generated by a rotary wing
02/03/2000WO2000005130A1 Helicopter body
02/03/2000DE19832697A1 Vibration reducing device e.g. for a helicopter
02/02/2000EP0976654A1 Helicopter landing lights assembly
02/01/2000US6019578 Variable diameter rotor blade actuation system
02/01/2000US6019310 Method of monitoring on the basis of signal energy a transmission assembly of a vehicle equipped with acceleration sensors in particular a helicopter
01/2000
01/26/2000CN1048825C HF antenna for helicopter
01/26/2000CN1048792C Self-scavenging hybrid lubrication subsystem
01/25/2000US6016994 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter
01/25/2000US6016993 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter
01/25/2000CA2132198C Helicopter active noise control system
01/20/2000WO2000002776A1 Combined blade for the rotor of an aircraft and aircraft flying method
01/19/2000EP0783431B1 Fiber reinforced composite spar for a rotary wing aircraft and method of manufacture thereof
01/19/2000CN1241974A A composite tip cap assembly for a helicopter main rotor blade
01/18/2000CA2134747C Variable diameter rotor having an offset twist
01/13/2000DE19821268A1 Active rotor blade adjustment system based on moment-of-impulse vector regulation with moment-of-impulse producers and sensors on rotor blade
01/12/2000EP0971155A1 Face-gear transmission assembly with floating balance pinions
01/11/2000US6012676 Integrated fire and flight control system with automatic engine torque limiting
01/06/2000WO1999055582A3 Earth-referenced wind adjustment for hovering aircraft
01/05/2000EP0771284B1 Apparatus and methods for fabricating a helicopter main rotor blade
01/05/2000CN2356941Y Changeable length propeller blade for helicopter
01/04/2000CA2114724C Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft
12/1999
12/29/1999WO1999067130A1 Horizontal stabilizer for rotorcraft
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