G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 99/00 (2011.01) F16K 37/00 (2006.01) G01M 19/00 (2006.01)
Patent
CA 2129470
DIAGNOSTIC SYSTEM FOR CONTROL AND SHUT-OFF VALVES ABSTRACT A diagnostic system for control and shut-off valves uses a processor of an intelligent position controller as a digital signal processor which is connected to sensors monitoring the operation of the valve and measuring working parameters of the valve so that any deviation of measured values from initial values taken and stored is compared and analyzed to predict impending error/failure conditions. Early preventive maintenance is indicated and alarm signals are outputted for objectionable valveoperation.
Engel Hans O.
Honeywell Inc.
Smart & Biggar
LandOfFree
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