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Flow Sensor Calibrated by Volume Changes

  • US 20100063765A1
  • Filed: 02/27/2007
  • Published: 03/11/2010
  • Est. Priority Date: 02/27/2006
  • Status: Abandoned Application
First Claim
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1. An inline flow sensor, comprising:

  • a conduit defining a flow passageway between a fluid inlet and a fluid outlet;

    a ball member movable within said flow passageway;

    a spring for urging said ball member in a direction opposite a direction of fluid flow through said conduit; and

    an optical sensor for determining a position of said ball member within saidconduit.

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