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Clean room filter assembly

  • US 4,178,159 A
  • Filed: 09/21/1977
  • Issued: 12/11/1979
  • Est. Priority Date: 09/21/1977
  • Status: Expired due to Term
First Claim
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1. A clean room assembly of the type which includes an enclosure having a ceiling, walls and a floor, a plurality of filter assemblies supported by the ceiling or wall, supply means for supplying air to said filter assemblies and exhaust means for exhausting air from said enclosure, the improvement comprising:

  • means for supporting the filter assemblies from one of said ceiling and walls including a framework made up of interconnected tee members supported by said enclosure which define openings for receiving said filter assemblies, said tee members including a first flange for connecting the same to a support and at least one additional flange for attaching a filter assembly thereto, each filter assembly including a filter unit having a mass of filter media and a frame surrounding said filter media and a filter housing including side walls defining a recess having dimensions capable of receiving said filter unit, said side walls including an outwardly directed flange at their lower ends, a removable retainer member connected to said flange of said filter housing to receive one of said flanges of said tee members therebetween, fastening means between said retainer member and said flange of said filter housing for removably connecting said retainer member to said filter housing and for clamping said filter housing to said tee members, and said framework including a separable member having a tee member and a second portion having a slotted flange for receiving one of said flanges of said tee member.

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