71969 ⎘
Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft; Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades
Hinged rotor blade to provide passive variable pitch
#2Hinged rotor blade to provide passive variable pitch
#3Bistable pitch propeller system with bidirectional propeller rotation
#4Blade dovetail and retention apparatus
#5Blade dovetail and retention apparatus
#6Propeller blade arrangement
#7Hinged rotor blade to provide passive variable pitch
#8Bistable pitch propeller system with bidirectional propeller rotation
#9Pitch control system
#10Bistable pitch propeller system with unidirectional propeller rotation
#11Hinged rotor blade to provide passive variable pitch
#12Apparatus and method for interaction with a fluid
#13Torque-sensitive locking and release mechanism for a bistable pitch propeller
#14Bistable pitch propeller system with unidirectional propeller rotation
#15Bistable pitch propeller system with bidirectional propeller rotation
#16Thrust-Dependent Variable Blade Pitch Propeller
#17Dual-Pitch Support for a Propeller
#18Smooth pitch control for propellers and rotors
#19Dual-pitch support for a propeller
#20Ram air turbine startup
#21Ram air turbine startup
#22Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers
#23Rotor system for electrically powered rotorcraft
#24Hinged rotor blade to provide passive variable pitch
#25Torque-sensitive locking and release mechanism for a bistable pitch propeller