ROBERT MICHAEL PALEY
Engineers in Wilkes Barre, PA
License number
Pennsylvania PE033035E
Category
Engineers
Type
Professional Engineer
Address
Address
Wilkes Barre, PA 18708
Professional information
Control System For Remotely Controlled Motor Operated Valve
US Patent:
4844110, Jul 4, 1989
Filed:
Jun 29, 1988
Appl. No.:
7/212943
Inventors:
Robert M. Paley - Shavertown PA
Assignee:
The Phasor Corporation - Shavertown PA
International Classification:
F16K 3104
US Classification:
137 1
Abstract:
A control system for controlling the operation of a motor operated valve including a limit switch to stop the opening of the valve element of the valve at an open position which is short of its backseated position, a selector switch to override the limit switch ot permit the valve element to be moved past the open position toward the backseated position, and a digital protective relay to repeatedly measure current flow through the valve motor, to compare current readings with setpoint values and to rapidly discontinue motor current flow when current readings exceed setpoint values.