Automatic, remote operator for manually operable valve

Details Automatic, remote operator for manually operable valve Automatic, remote operator for manually operable valve

1975-04-22

1976-08-03

Rosenthal, Arnold

Valves and valve actuation

With correlated flow path

With mounting or support

251134, F16K 3104

Patent

active

039725065

ABSTRACT:
A valve having a handwheel that must be rotated more than 360.degree. to operate the valve between a fully open and a fully closed condition is further provided with a powered, remotely operable unit for opening and closing the valve. The unit includes means for transmitting to the control station an indication of whether and to what degree the valve is in an open condition. This unit is also provided with a limit switch means for cutting power from being applied to further open or close the valve when the valve respectively becomes fully open or fully closed and a torque limiting means for preventing damage to the unit when jamming or clogging resists powered, remote opening or closing of the valve.

REFERENCES:
patent: 2469786 (1949-05-01), Rieber
patent: 2992377 (1961-07-01), Ekstrom, Jr.

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