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Multiple-phase flowmeter and materials analysis apparatus and method

  • US 4,228,353 A
  • Filed: 05/02/1978
  • Issued: 10/14/1980
  • Est. Priority Date: 05/02/1978
  • Status: Expired due to Term
First Claim
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1. A non-invasive meter apparatus comprising:

  • a first radiation source and first radiation detector demountably attachable to a vessel at a first location;

    a second radiation source and a second radiation detector demountably attachable to said vessel at a second location;

    computing means for comparing radiation signals detected by the first detector with radiation signals received by the second detector; and

    control means for selectively controlling the first and second radiation sources and the first and second detectors.

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