Valves and valve actuation – Electrically actuated valve – Balanced valve
Patent
1985-07-15
1986-06-17
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Balanced valve
25112921, F16K 3106
Patent
active
045951713
ABSTRACT:
An inline solenoid operated fluid flow control valve includes a plunger housing and a plunger movable against a valve seat and pole piece within the flow line when the solenoid coil is energized. The plunger and plunger housing are axially coupled via a spring which absorbs impact when the plunger strikes the valve seat. A piston within the valve seat member provides a pressure balancing feature and the clearance around the piston provides for a minimum flow when the solenoid coil is energized, with full flow occurring when the solenoid coil is not energized.
REFERENCES:
patent: 3470892 (1969-10-01), Barker
patent: 3529806 (1970-09-01), Kozel
patent: 3592228 (1971-07-01), Kukuminato et al.
patent: 3592438 (1971-07-01), Greenwood et al.
patent: 3833015 (1974-09-01), Kneuer
Bell Edward L.
Controls Company of America
Davis David L.
Rosenthal Arnold
Smith Robert E.
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