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FLUID TRANSPORT SYSTEM WITH ELASTIC TUBE AND DETACHING CAM ARRANGEMENT

  • US 20110002801A1
  • Filed: 09/16/2010
  • Published: 01/06/2011
  • Est. Priority Date: 11/16/2005
  • Status: Active Grant
First Claim
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1. A fluid transportation system, comprising:

  • an elastic tube;

    a tube frame having a tube guide groove to which the tube is attached such that the tube forms a circular arc;

    a cam driving wheel disposed inside the tube and having a rotation center coinciding with the center of the circular arc of the tube guide groove;

    a first cam fixed to a center shaft of the cam driving wheel;

    a second cam rotatably supported by the center shaft of the cam driving wheel; and

    a plurality of fingers which radially extend from the rotation center in the space between the tube and the first and second cams and press the tube by the rotation of the first and second cams, characterized in that;

    the first and second cams produce a first condition where the plural fingers are all released and a second condition where at least one of the plural fingers constantly closes the tube; and

    the first and second cams sequentially press the plural fingers, and the plural fingers sequentially repeat closure and release of the tube from the inlet side to the outlet side of fluid so that fluid can continuously flow.

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