Fluid flow control system
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United States of America Patent
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-
Oct 25, 1983
Issued Date -
N/A
app pub date -
Apr 15, 1981
filing date -
Jul 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a fluid flow control system a weight detector generates a signal representative of the weight of the fluid in the reservoir. A second signal is generated indicative of the desired fluid weight over time, and a first comparator produces an output indicative of the dissimilarity of the two signals. A programmed drop rate signal is modified by the first comparator's output to produce a desired drop rate signal. A drop detector produces a signal indicative of the actual drop rate. A second comparator is operative upon the desired drop rate signal and the actual drop rate signal to produce an output for operating the flow controller.
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