Method of driving solenoid-operated proportional control valve

Details Method of driving solenoid-operated proportional control valve Method of driving solenoid-operated proportional control valve

1980-08-25

1982-11-30

Cohan, Alan

Fluid handling

Processes

Involving pressure control

1374875, 251140, F16K 3102

Patent

active

043611648

ABSTRACT:
A method of driving a solenoid-operated proportional control valve is disclosed. The solenoid-operated proportional control valve is of the kind in which a valve member is displaced in proportional relation to current supplied to a solenoid under control of a control signal, and the method comprises adding a predetermined value to the control signal when the valve member starts to move to open the solenoid-operated proportional control valve from its full-closed position or subtracting a predetermined value from the control signal when the valve member starts to move to close the solenoid-operated proportional control valve from its full-open position.

REFERENCES:
patent: 4017056 (1977-04-01), Schwalenstocker et al.

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