Silt filtration system

  • US 6,294,095 B1
  • Filed: 04/24/2000
  • Issued: 09/25/2001
  • Est. Priority Date: 04/24/2000
  • Status: Expired due to Fees
First Claim
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1. A silt filtration system for filtering silt from wastewater flowing into street curb drains having a storm water catch basin including a fixed frame with a drain opening at the top of the catch basin and a grate covering the drain opening, said filtration system comprising:

  • a. a pair of spaced-apart end rails mountable beneath the grate and a pair of spaced-apart side rails extending between and connecting said end rails to form a substantially rectangular-shaped base frame adapted to fit within the fixed frame at the top of the catch basin;

    b. a pair of lengthwise support bars removably positioned within said base frame and extending between said end rails;

    c. a plurality of holders attached to said base frame for receiving and supporting said lengthwise support bars;

    d. a pair of transverse support bars removably positioned transversely over said lengthwise support bars on said side rails and adjacent to said end rails; and

    e. a filter bag including two pairs of opposite sides and an open top end, each side having a pocket at said top end for receiving said lengthwise support bars through one pair of opposite sides and said transverse support bars through the other pair of opposite sides, wherein said two pairs of opposite sides of said filter bag are suspended downwardly into the catch basin and no portion of said filtration system extends above the grate.

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