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US patent no. 7,065,455 B2: Correcting frequency in flowtube measurements

Abstract:

Techniques are described for accurately measuring a density or other parameter of a fluid traveling through a vibratable conduit, using a flowmeter. The techniques involve obtaining measurements of a frequency of vibration of the conduit, as a function of a phase difference between two sensors measuring the vibration. Using the measurements, a corrected frequency corresponding to a zero phase difference can be estimated, and this corrected frequency can be used to perform density calculations...

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Granted
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Department:
Oxford, MPLS, Engineering Science
Zamora, ME More by this author
Publisher:
United States Patent and Trademark Office Publisher's website
Publication date:
2006-06-20
Patent number:
US 7,065,455
Pubs id:
pubs:648090
URN:
uri:f12a66a4-f5e0-4edb-b42b-2f0b05d90885
UUID:
uuid:f12a66a4-f5e0-4edb-b42b-2f0b05d90885
Local pid:
pubs:648090
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