Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
07/1986
07/16/1986EP0187590A1 Multispar composite helicopter rotor blade with torsion box, and its manufacturing process
07/16/1986EP0187265A2 Laminated compound support element
07/08/1986US4599698 Aircraft trim actuator shutdown monitor system and method
07/08/1986US4598887 Rotary wing flying craft
07/02/1986CA1206944A Blade pitch control in rotatable devices for vehicles
06/1986
06/24/1986US4596513 Helicopter air-spring vibration absorber
06/24/1986US4596512 Circulation controlled rotor blade tip vent valve
06/17/1986CA1206261A1 Helicopter power available to hover indicator
06/10/1986US4593889 Laminated tubular link
06/03/1986US4592701 Rotor blade, especially for a rotary wing aircraft
05/1986
05/20/1986US4589611 Air jet reaction contrarotating rotor gyrodyne
05/13/1986US4588356 Helicopter rotor
05/13/1986US4588355 Flexible swashplate centering member
04/1986
04/30/1986EP0179696A1 Swash plates device driven by flexible leaves for a helicopter's rotor control
04/30/1986EP0179209A2 Automatic controll device for aircraft, particulary helicopters
04/29/1986US4585394 Apparatus for adjusting the tracking of the blades in a rotor, especially for a rotary wing aircraft
04/29/1986US4585393 Interleaving glass and graphite fibers; durable, crack resistant, integrity inspectability
04/29/1986US4585392 For a helicopter
04/29/1986US4585391 Tail rotor arrangement with increased thrust for rotary wing aircraft and device for increasing the thrust of such an arrangement
04/22/1986US4583891 Structural component having a twisted profile and method and apparatus for producing such structural component
04/22/1986US4583862 Optical position and orientation sensing systems
04/22/1986US4583704 Pneumatic system structure for circulation control aircraft
04/08/1986US4580945 Helicopter gimbal rotor
04/08/1986CA1202939A1 Helicopter rotor
04/02/1986EP0176466A1 Helicopter gimbal rotor
03/1986
03/18/1986CA1202099A1 Super contingency aircraft engine control
03/11/1986US4575358 Accommodating axial load in an elastomeric high torque, constant velocity joint
03/04/1986US4573873 Collective and cyclic in-mast pitch control system for a helicopter
03/04/1986US4573871 X-Wing aircraft circulation control
02/1986
02/26/1986EP0172465A1 Flowmeter testing apparatus
02/19/1986EP0172104A1 Main transmission gear box for a two-engine helicopter
02/11/1986US4569633 Airfoil section for a rotor blade of a rotorcraft
02/11/1986US4569629 Helicopter gimbal rotor
02/04/1986US4568246 Graphite and glass fibers, lightweight, high strength, orack resistant
02/04/1986US4568245 Composite helicopter rotor hub
02/04/1986US4568244 Graphite and glass fibers lightweight, high strength, crack resistant
01/1986
01/28/1986US4566856 Helicopter gimbal rotor
01/28/1986US4566677 Vibration damper and in particular frequency adapter for a helicopter blade
01/28/1986EP0157875A4 Position and control system for helicopter blade actuation.
01/15/1986EP0167625A1 Small radio-controlled industrial helicopter
01/14/1986US4564908 Automatic limiting of helicopter engine torque
01/14/1986US4564336 Low drag, bearingless rotor head for helicopters
12/1985
12/24/1985US4560364 Fail-safe improvement for a flexible shaft coupling
12/17/1985CA1198191A1 Helicopter engine control with rotor speed decay anticipator
12/11/1985EP0164216A1 Multi-axis hand operated controller for aircraft
12/10/1985US4557438 Hydraulically controlled, fluid-stream driven vehicle
12/05/1985WO1985005425A1 Device for damping oscillations
12/03/1985US4556365 Hub plate for a helicopter rotor, method of manufacturing it, and a helicopter rotor hub equipped with plates
12/03/1985CA1197468A1 Large airfoil structure and method for its manufacture
11/1985
11/27/1985EP0162773A1 Swash-plate device supported by a laminated elastomeric bearing for the pitch control of rotor blades
11/26/1985US4555219 Hub-mounted actuators for blade pitch collective control
11/21/1985EP0161993A1 Process and device to annul the electrostatic potential of a helicopter in relation to the earth
11/12/1985US4552035 Reinforced connecting link means
11/05/1985US4551804 Approach to hover control system for helicopters
11/05/1985US4551723 Excessive descent rate warning system for rotary wing aircraft
11/05/1985US4551067 Helicopter rotor
11/05/1985US4550812 Fixed position, fixed frequency pendular-type vibration absorber with frequency linearization
10/1985
10/29/1985US4549852 Helicopter blade droop stop with slidable droop stop seat
10/29/1985US4549851 Helicopter rotor
10/29/1985US4549850 Helicopter rotors
10/16/1985EP0157875A1 Position and control system for helicopter blade actuation.
10/15/1985US4547127 Wing mounting for a rotary wing aircraft
10/09/1985EP0157502A1 Helicopter rotor
10/08/1985US4545733 Apparatus for adjusting the tracking of the blades in a rotor, especially for a rotary wing aircraft
09/1985
09/25/1985EP0155444A1 Helicopter rotor
09/24/1985US4543040 Helicopter rotor system
09/24/1985US4542567 Method of fabricating a helicopter rotor hub
09/17/1985US4541777 Low drag, bearingless rotor head for helicopters
09/10/1985US4540340 Helicopter rotor
09/10/1985US4540141 Fail-safe tail rotor control system
09/03/1985US4538961 Device for controlling cyclic and collective pitch of a helicopter rotor
09/03/1985CA1192767A1 Torsion link
08/1985
08/14/1985EP0151206A1 Helicopter rotor
08/13/1985US4534704 Helicopter rotor control system with integrated hub
08/13/1985US4534702 Pneumatic control valve actuator computer control arrangement
08/13/1985US4534524 Position and control system for helicopter blade actuation
08/07/1985EP0150812A2 Rotorcraft
07/1985
07/30/1985US4531699 Active vibration isolator
07/30/1985US4531692 Helicopter flight control and transmission system
07/30/1985US4531408 Control of rotor blade stroboscopic display
07/30/1985US4531361 For a rotary wing aircraft
07/30/1985EP0140914A4 Air jet reaction contrarotating rotor gyrodyne.
07/24/1985EP0149021A2 Rotor, in particular for giroplane
07/24/1985EP0148885A1 Zone stiffened composites
07/18/1985WO1985003052A1 Lifting device for persons and/or loads
07/09/1985US4528628 Shutdown monitor for a helicopter pitch bias actuator
07/09/1985US4528564 Warning device for helicopters
07/09/1985US4527951 Pendulum for damping or eliminating low excitation frequencies
06/1985
06/25/1985US4525123 Rotary wing aircraft
06/25/1985US4524499 Method of fabricating an aircraft propeller assembly with composite blades
06/19/1985EP0145512A1 Retractible blocking device to limit the flapping of the blades of a rotorcraft's main rotor
06/18/1985US4523891 Propeller pitch change actuation system
06/11/1985US4522563 Elastomeric system for mounting a helicopter rotor
06/06/1985WO1985002349A1 Small radio-controlled industrial helicopter
06/04/1985US4521157 Helicopter rotor hub
06/04/1985US4521003 Torsion link
05/1985
05/28/1985US4519743 Helicopter individual blade control system
05/28/1985US4519563 Pollution reducing aircraft propulsion
05/21/1985US4518313 Wind blade vibration eliminator for helicopters
05/15/1985EP0141017A1 Rotor, in particular for a rotorcraft