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Method and apparatus for measuring the amount of entrained gases in a liquid sample

  • US 6,598,457 B2
  • Filed: 04/05/2001
  • Issued: 07/29/2003
  • Est. Priority Date: 04/05/2001
  • Status: Expired due to Fees
First Claim
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1. An apparatus for measuring the amount of entrained gases in a liquid sample, the apparatus comprising:

  • a conduit defining a volume and comprising an inlet at a lower end thereof and an outlet at an upper end thereof;

    a weight measuring device coupled to the conduit for measuring a weight of liquid sample flowing through the conduit from the inlet thereof to the outlet thereof to obtain a first measurement; and

    a control unit coupled to the weight measuring device for determining a difference between the first measurement and a predetermined weight value representing a weight of the same liquid sample flowing through the conduit but containing no entrained gases to obtain a calculated weight of entrained gases in the liquid sample flowing through the conduit;

    and further comprising a liquid altering device for altering the liquid in the processing system as a function of the calculated weight of entrained gases in the liquid sample.

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