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Liquid removal system

  • US 5,911,222 A
  • Filed: 10/15/1996
  • Issued: 06/15/1999
  • Est. Priority Date: 08/07/1992
  • Status: Expired due to Term
First Claim
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1. A liquid removal system which comprises an interface device, said interface device comprising a first zone and a second zone and having a porous membrane separating said first zone from said second zone, said second zone being adapted to be connected to a vacuum source,said porous membrane being capable of maintaining a vacuum in said second zone without permitting air from said first zone to pass through said membrane into said second zone when said membrane has been wetted with a first liquid;

  • said vacuum being maintained until said membrane is contacted with a second liquid;

    and wherein said second liquid upon entering said first zone and contacting said porous membrane is removed from said first zone by said vacuum in said second zone by passing through said membrane into said second zone.

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