Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
Patent
1985-04-29
1987-07-14
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Remote or follow-up control system for electrical actuator
25112901, 25112915, 361154, 361155, 137870, F16K 3106, H01H 4704
Patent
active
046797661
ABSTRACT:
The invention relates to a device adapted to reliably operate solenoids controlling valves at long distances from a central control station thereby enabling the use of light weight electrical cable between the control station and the solenoid, the device including a capacitor and a switching arrangement enabling current stored by the capacitor to be supplied to the solenoid to activate the solenoid, power being supplied to the capacitor from the central control station.
REFERENCES:
patent: 3547154 (1970-12-01), Benham
patent: 3549955 (1970-12-01), Paine
patent: 3958791 (1976-05-01), Carlson
patent: 4082117 (1978-04-01), Peckham
patent: 4326133 (1982-04-01), Tasma
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