Patents
Sitemap › B64 - Aircraft; Aviation; Cosmonautics › B64C - Aeroplanes; Helicopters › B64C 27 - Rotorcraft; Rotors peculiar thereto
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
04/1996
04/17/1996EP0600040B1 Bearingless main rotor assembly torque tube
04/09/1996US5505589 For a rotary wing aircraft
03/1996
03/26/1996US5501434 Hybrid fluid and elastomer damper
03/19/1996US5499903 For securing a helicopter snubber bearing
03/14/1996WO1996002417A3 Apparatus and methods for fabricating a helicopter main rotor blade
03/13/1996EP0700828A1 Method of controlling the resultant aerodynamic force produced by a propeller and a device for carrying out the said method
03/13/1996EP0700510A1 Monitoring apparatus
03/13/1996EP0700350A1 A flexbeam for a helicopter bearingless main rotor assembly
03/12/1996US5498129 Counter-torque device with ducted tail rotor and ducted flow-straightening stator, for helicopters
03/12/1996US5497960 Device for aircraft and aircraft provided with such a device
03/07/1996WO1996006776A1 Fiber reinforced composite spar for a rotary wing aircraft and method of manufacture thereof
03/07/1996WO1996006775A1 Method and apparatus for balancing helicopter rotor blades
03/07/1996CA2198718A1 Method and apparatus for balancing helicopter rotor blades
02/1996
02/29/1996WO1996006006A1 Yaw control and stabilization system for helicopters
02/29/1996WO1996006005A1 Model helicopter
02/21/1996EP0696984A1 Airborne vehicule
02/21/1996EP0696983A1 Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors
02/20/1996US5492448 Rotary blades
02/15/1996WO1996004492A1 Fluid damping devices
02/15/1996WO1996004125A1 Method and apparatus for forming airfoil structures
02/06/1996US5489193 Antivibration supports for helicopter blades, and a helicopter rotor including such supports
02/01/1996WO1996002417A2 Apparatus and methods for fabricating a helicopter main rotor blade
02/01/1996WO1996002416A1 An eop scribe device
02/01/1996CA2195077A1 An eop scribe device
01/1996
01/23/1996US5486096 Erosion resistant surface protection
01/18/1996WO1996001503A1 Piezoelectric actuator
01/18/1996DE4424720A1 System pressure actuated by=pass valve for servomotor
01/11/1996WO1996000842A1 Erosion resistant surface protection
01/11/1996DE4422987A1 Tilt rotor vertical take off aircraft
01/10/1996CN1114831A Flight device
01/10/1996CN1114623A Operation of a helicopter
01/08/1996WO1996022914A1 Power transmission device for helicopter
01/04/1996DE4423247A1 Single=bladed rotor with passive aerodynamic autonomous control
01/03/1996EP0689990A1 Noise reduction device for rotorcraft
01/03/1996EP0667283A4 Hybrid aircraft.
01/03/1996EP0642441B1 Variable diameter rotor having an offset twist
12/1995
12/28/1995WO1995035455A1 Self-scavenging, hybrid lubrication subsystem
12/28/1995WO1995035235A1 Aircraft rotor arrangement
12/26/1995US5478204 Ducted fan and pitch controls for tail rotor of rotary wing aircraft
12/26/1995US5478029 Rotorcraft blade-vortex interaction controller
12/14/1995WO1995034029A1 Inertial velocity command system
12/14/1995WO1995029842A3 Main rotor system for helicopters
12/14/1995CA2191861A1 Inertial velocity command system
12/13/1995EP0686554A1 Stator and composite stator blade for a counter-torque device consisting of a shrouded rotor and stator and their manufacturing method
12/13/1995EP0595914B1 Adaptive control system input limiting
12/12/1995US5475622 Method and apparatus for balancing helicopter rotor blades
12/12/1995US5474424 Rotorcraft rotor head, which is rigid in drag and articulated in pitch and flapping
12/07/1995WO1995032895A1 A stacked compound planetary gear train for an upgraded powertrain system for a helicopter
12/05/1995US5472386 Stacked compound planetary gear train for an upgraded powertrain system for a helicopter
12/05/1995US5472156 Air combat collective control head
11/1995
11/23/1995DE4417144A1 Aircraft buoyancy rotor with tangential drive
11/22/1995CN1030303C Fuselage structure for helicopter
11/16/1995WO1995030843A1 Hybrid fluid and elastomer damper
11/16/1995WO1995030575A1 An unmanned vtol ground surveillance vehicle
11/16/1995CA2189854A1 An unmanned vtol ground surveillance vehicle
11/09/1995WO1995030181A1 Turn coordination inhibit for rotary wing aircraft control system
11/09/1995WO1995029842A2 Main rotor system for helicopters
11/08/1995EP0680876A1 Anti-torque shrouded rotor with play-mounted blades
11/08/1995EP0680875A1 Anti-torque device with shrouded rotor and straightening stator for helicopters
11/08/1995EP0680874A1 Stator guide vane for anti-torque device with shrouded rotor and straightening stator for helicopters
11/08/1995EP0680873A1 Anti-torque device with shrouded rotor and straightening stator and slanted guide vanes
11/08/1995EP0680872A1 Anti-torque device with shrouded rotor and straightening stator and phase modulation of the rotor blades positions, for helicopters
11/08/1995EP0680871A1 Anti-torque device with shrouded rotor and phase modulation of the rotor blades positions for helicopters
11/08/1995EP0448711B1 Jam resistant ball screw actuator
11/07/1995US5465212 Helicopter integrated fire and flight control having a pre-launch and post-launch maneuver director
11/02/1995EP0535114B1 Linkage rod
10/1995
10/31/1995US5462409 Leading edge weight retention assembly for a helicopter rotor
10/31/1995US5462408 Blade made of thermoplastic composite, in particular for ducted tail rotor of a helicopter, and its method of manufacture
10/31/1995US5462137 Gyroplane rotor braking unit
10/31/1995US5461796 Gunsight device for rotating-wing aircraft
10/26/1995WO1995028761A2 A system for generating power and propulsive force or lift by use of an electrostatic motor
10/25/1995EP0678448A1 Helicopter anti-torque and yaw control system
10/24/1995US5460487 Pitch adjustment assembly for bearingless main rotors
10/12/1995WO1995026904A1 Method of controlling the resultant aerodynamic force produced by a propeller and a device for carrying out the said method
10/11/1995EP0676015A1 Tubular elastomer damper
10/10/1995US5456341 Method and apparatus for actively adjusting and controlling a resonant mass-spring system
10/03/1995US5454693 Blade made of thermoplastic composite, in particular for ducted tail rotor of a helicopter, and its method of manufacture with injection step
10/03/1995US5454691 Flow-straightener vane for counter-torque device with ducted rotor and ducted flow-straightening stator, for helicopter
10/03/1995US5454530 Canard rotor/wing
10/03/1995US5454153 Adjustable assembly for use in the repair or replacement of a pitch change link or rod end of critical predetermined length
09/1995
09/21/1995WO1995025037A1 Airborne vehicule
09/20/1995CN2207997Y Single helicopter
09/19/1995US5451472 Multiple density sandwich structures and method of fabrication
09/19/1995US5451015 Crashworthy composite aircraft structure with integral fuel tank
09/14/1995WO1995024339A1 An expandable spar filler block device
09/14/1995CA2184370A1 An expandable spar filler block device
09/13/1995EP0670796A1 Rotor blade balance weight assembly.
09/12/1995US5449152 Tubular elastomer damper
08/1995
08/30/1995EP0668829A1 Flight device.
08/30/1995EP0668828A1 A pitch actuation system restraint device for a helicopter blade folding system.
08/22/1995CA2028023C Rotary viscons-elastic return device, and drag damping, for a gyroplane rotor black, and rotor head containing same
08/17/1995WO1995021765A1 An optical tracker system
08/17/1995CA2182566A1 An optical tracker system
08/16/1995EP0667283A1 Hybrid aircraft
08/10/1995WO1995021327A1 Windmill blade
08/09/1995EP0665795A1 Rotary wing comprising two coaxial rotors.
08/09/1995EP0601123B1 Low speed model following velocity command system for rotary wing aircraft
08/08/1995US5440193 Method and apparatus for structural, actuation and sensing in a desired direction
08/01/1995US5437419 Rotorcraft blade-vortex interaction controller
07/1995
07/27/1995WO1995020104A1 Fabrication of aerodynamic profiles
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