145913 ⎘
Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind
#2Hydraulic actuator and multi-cylinder hydraulic actuator system
#3Fail-fixed hydraulic actuator
#4Cylinder acceleration mechanism
#5Foldable wing and actuator arrangement
#6Engine nozzle synchronization system
#7Servo-control and an aircraft having such a servo-control
#8Aircraft hydraulic valve
#9Adjustment device for a hydrostatic piston machine, and hydrostatic axial piston machine
#10Brake device for vehicle
#11Hydraulic system
#12Pneumatic shifting force supporting device
#13Hydraulic control valve, a device for adjusting blade pitch, and an aircraft provided with such a hydraulic control valve
#14Brake servo
#15Electrohydraulic booster
#16Hydraulic actuator
#17Actuator cylinder
#18Hydraulic pump to synchronize the operation of a pair of hydraulic actuators