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Fluid pumping system and related methods

  • US 7,547,199 B1
  • Filed: 08/25/2004
  • Issued: 06/16/2009
  • Est. Priority Date: 08/25/2003
  • Status: Expired due to Fees
First Claim
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1. A fluid pumping system, comprising:

  • a generally rigid outer chamber having at least one fluid inlet and at least one fluid outlet; and

    an inner chamber disposed within said outer chamber, said inner chamber having at least one fluid inlet, at least one fluid outlet, and a plurality of generally rigid articulating walls coupled together via articulating joints to provide of bi-directional radial movement of said walls to expand and contract the volume of said inner chamber and facilitate the influx of fluid through said fluid inlet of said inner chamber and expulsion of fluid through said fluid outlet of said inner chamber.

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