Ball valve control
Canister purge valve noise attenuation
Control accuracy of a pulse-operated electromechanical device
Digital servo-valve
Electric-powered, lever-amplified actuating means for valves and
Electrically controlled valve with piezoelectric effect
Electrically operated refrigerant valve
Electromagnetic actuator for controlling fluid flow
Electromagnetic valve
Electromagnetically controlled valve for the control of the pass
Extended range proportional valve
Flow control device
Flow rate control valve system
Flow rate control valve system
Modulated electrically operated refrigerant expansion valve
Motor-driven flow rate control valve device
PWM voltage clamp for driver circuit of an electric fluid...
Remotely configurable solenoid driver circuit for direct pressur
Self adjusting solenoid driver and method
Solenoid driving apparatus