Apparatus for fluid control device leak detection are disclosed. An example apparatus in accordance with the teachings of this disclosure includes a plurality of ports. One of the ports is to receive a supply pressure to drive an actuator and another of the ports to be fluidly coupled to a purge port of a fluid control device. The apparatus includes a sensor to measure a value at the purge port and a processor to compare the value to a predetermined value or a previously measured value to identify if the value is outside of a predetermined threshold.
申请公布号
EP2883027(A2)
申请公布日期
2015.06.17
申请号
EP20130752975
申请日期
2013.08.06
申请人
FISHER CONTROLS INTERNATIONAL LLC
发明人
COLEMAN, AFTON, RENEE;COLEMAN, BLAKE, WARD;HAGEN, STEVEN, WILLIAM