METHODS AND APPARATUS FOR LEVEL LOOP CONTROL
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Aug 6, 2012
filing date -
Aug 5, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Example methods and apparatus for level loop control are disclosed. A disclosed example method includes determining via a sensor a first pressure of a liquid in a tank, determining via a turbine flow meter a second pressure of the liquid in the tank, determining if the first pressure is within a specified range of deviation from the second pressure to determine an operational state of the turbine flow meter, and transmitting a diagnostic message indicating that the turbine flow meter needs to be serviced based on the state of the turbine flow meter.
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