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Multiphase Coriolis flowmeter

  • US 7,059,199 B2
  • Filed: 02/09/2004
  • Issued: 06/13/2006
  • Est. Priority Date: 02/10/2003
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a gas void fraction sensor operable to measure a gas void fraction in a flow of fluid;

    a flowmeter comprising;

    a vibratable flowtube to receive the flow of fluid;

    a driver connected to the flowtube and operable to impart motion to the flowtube;

    a sensor connected to the flowtube and operable to sense the motion of the flowtube and generate a sensor signal; and

    a controller connected to receive the sensor signal from the sensor and to receive the measured gas void fraction from the gas void fraction sensor, the controller being operable to determine a first flow rate of a first phase within the flow of fluid based on the measured gas void fraction received from the gas void fraction sensor, and determine a second flow rate of a second phase within the flow of fluid based on the measured gas void fraction received from the gas void fraction sensor.

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