High-pressure remote-controlled valve

Details High-pressure remote-controlled valve High-pressure remote-controlled valve

1978-08-17

1980-04-22

Rosenthal, Arnold

Valves and valve actuation

With correlated flow path

With mounting or support

251282, 251368, F16K 3104

Patent

active

041991320

ABSTRACT:
A valve having a plunger with opposite end sections of equal diameter, a control section of lesser diameter and a valve member. One end section extends from the inlet chamber through a seal to the exterior of the valve, and the other end section extends from the outlet chamber through a seal to the exterior of the valve. The inlet and outlet chambers are connected by a central bore having a diameter equal to that of the plunger end sections. The central section of the plunger extends through the central bore. The valve member seats against one end of the central bore to close the valve. Because of the equal diameters of the axial bores of the end sections and the central bore, the force exerted on the plunger by fluid pressure in the valve are balanced regardless of the plunger position, i.e., open, closed, or at any intermediate position. The valve is controlled by a motor-driven eccentric, which acts against one end section of the plunger to counteract a small closing force exerted by a spring against the other end section of the plunger. Limit switches are actuated by the eccentric to de-energize its motor after it has caused the eccentric to open or close the valve.

REFERENCES:
patent: 2934090 (1960-04-01), Kenann et al.
patent: 2989758 (1961-06-01), Turek et al.
patent: 3534770 (1970-10-01), Kowalski
patent: 3756558 (1973-09-01), Okui
patent: 3780984 (1973-12-01), Ambrose et al.
patent: 3985333 (1976-10-01), Paulsen

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