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Selective suspension drain closure apparatus

  • US 6,558,077 B1
  • Filed: 03/16/2001
  • Issued: 05/06/2003
  • Est. Priority Date: 03/16/2001
  • Status: Expired due to Fees
First Claim
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1. An apparatus for controlling a flow of a liquid into a sewer drain comprising:

  • a. a catch basin having a catch basin drain coupled with the sewer drain;

    b. a housing element positioned within the catch basin, the housing element coupled with the catch basin drain in a first fluid-tight manner and having a porous surface positioned below a predetermined level;

    c. a column having a proximal end and a distal end, the column positioned within the housing element, wherein the proximal end is coupled with the catch basin drain in a second fluid tight manner and the distal end is positioned above the predetermined level; and

    d. an actuator mechanism coupled with the column and configured to selectively open and close the column to the flow of the liquid entering the catch basin drain.

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