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Movable barrier wall

  • US 6,338,594 B1
  • Filed: 11/19/1999
  • Issued: 01/15/2002
  • Est. Priority Date: 11/20/1998
  • Status: Expired due to Term
First Claim
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1. A movable barrier floodwall system including:

  • a) a housing having a chamber formed by a base member, a first side panel member, a second side panel member, a left end member, and a right end member;

    b) a barrier member being vertically movable interior of said chamber, said barrier member having a selected density for allowing floatation thereof as and when a liquid is present interior of said chamber;

    c) at least one first pump assembly having an inlet port and an outlet port, said inlet port being in fluidic communication with a supply of the liquid, said liquid having a selected liquid density greater than the selected density of the barrier member, said outlet port being in fluidic communication with said chamber by way of a distribution manifold assembly; and

    wherein, each first pump is selectively actuated by a control system for filling said chamber with said liquid for causing said barrier member to float within said chamber for extending a selected portion of said barrier member above an upper surface of said housing.

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