Apparatus and method for controlling the rate of flow of a liquid
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United States of America Patent
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-
Oct 15, 1996
Grant Date -
N/A
app pub date -
Apr 17, 1995
filing date -
Apr 18, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A column of liquid is formed in a conduit for such liquid, of which flow-off amount gives then between two level measuring probes a constant value. This constant value is compared with the indicated value of a flow meter arranged in the conduit regarding the conformity in order to detect if the value indicated by the flow meter lies within a tolerance range or not. In the latter case, the error indication of the flow meter is too large and the liquid conduit is shut off. This controlling is made in arbitrary intervals automatically by the apparatus, whereby the interval is set by the speed with which the liquid column is completed.
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