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Low-profile air filtration module

  • US 4,917,713 A
  • Filed: 05/23/1989
  • Issued: 04/17/1990
  • Est. Priority Date: 05/23/1989
  • Status: Expired due to Fees
First Claim
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1. An air filtration module including a housing having an intake opening in the top of thereof, means in said housing adapted to support at least one filter unit, and blower means mounted in said housing and disposed to draw incoming air downward through said intake opening, and discharge said air into said housing through an exhaust opening, wherein the improvement comprises:

  • a horizontal central panel secured in said housing, and separating the space defined by said housing into a conversion chamber above said panel and a distribution chamber below said panel and above the position of a filter unit established by said filter support means, said panel having a central opening providing communication between said chambers, said blower means being mounted in said conversion chamber beside said central opening; and

    a duct plate mounted in said conversion chamber, and disposed to conduct exhaust from said blower means past said central opening to a position of discharge into said conversion chamber.

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