Coriolis mode processing techniques
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United States of America Patent
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Oct 29, 2013
Grant Date -
Feb 14, 2013
app pub date -
Oct 19, 2011
filing date -
Jul 11, 2005
priority date (Note) -
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Abstract
Flowmeters are described in which a sensor signal received from a sensor that is attached to vibratable flowtube, so as to determine properties of a fluid within the flowtube, contains a drive signal component and a Coriolis mode component. The flowmeters are operable to determine drive parameters of the drive signal component, as well as Coriolis parameters of the Coriolis mode component. By analyzing the sensor signal based on the drive signal parameters, and not on the Coriolis signal parameters, the flowmeters are able to provide stable and accurate determinations of the properties of the fluid.
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