in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

Servomotors with follow-up action, 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

Servomotors with follow-up action, 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 (F15B9/06 takes precedence) > in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage