Method for flow control monitoring
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United States of America Patent
Stats
-
Jul 22, 1986
Grant Date -
N/A
app pub date -
May 21, 1984
filing date -
May 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flow status monitoring method is disclosed for a gravity flow metering system employing a metering chamber separated by a movable diaphragm into two compartments, each with a valved inlet and valved outlet. The system alternately opens pairs of valves on opposite sides of the diaphragm at preselected time intervals to deliver a fixed increment of fluid. Each preselected interval is divided into a series of discrete sub-intervals, and flow monitoring information is generated by displaying a a discrete indicator representative of the sub-interval in which movement of the diaphragm across the chamber is completed.
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