Electrically operated valve assembly for controlling a piston an
Electro-hydraulic directional control valve
Electro-hydraulic helicopter system having individual blade cont
Electro-hydraulic valve actuator
Electro-pneumatic control device
Electro-pneumatic pressure control system for welding and like a
Electrohydraulic actuator
Electromagnetic valve assembly
Electromagnetically actuated spool valve
Electronically controlled fluid powered motor