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High effieciency balanced oscillating shuttle pump

  • US 5,415,532 A
  • Filed: 11/30/1993
  • Issued: 05/16/1995
  • Est. Priority Date: 11/30/1993
  • Status: Expired due to Fees
First Claim
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1. A pump for pumping a fluid comprising:

  • a first resilient tube and a second resilient tube each having original shapes;

    means for holding said first resilient tube and said second resilient tube in a substantially parallel relationship to each other and defining a predetermined space therebetween;

    a shuttle block positioned within said predetermined space and having a first side and a second side adjacent said first resilient tube and said second resilient tube, respectively;

    driving means for driving said shuttle block linearly along an oscillation axis to first and second positions, said oscillation axis being perpendicular to said first side and said second side of said shuttle block, said shuttle block partially compressing said first resilient tube when moved to said first position and partially compressing said second resilient tube when moved to said second position;

    a first input valve connected to one end of said first resilient tube and a first output valve connected to an opposite end of said first resilient tube; and

    a second input valve connected to one end of said second resilient tube and a second output valve connected to an opposite end of said second resilient tube, wherein a first portion of said fluid is pumped out of said first resilient tube through said first output valve as said shuttle block compresses said first resilient tube while a second portion of said fluid is drawn into said second resilient tube through said second input valve as said second resilient tube resumes its said original shape.

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