Air filter with internal frame support

  • US 8,163,054 B1
  • Filed: 01/23/2009
  • Issued: 04/24/2012
  • Est. Priority Date: 01/23/2009
  • Status: Active Grant
First Claim
Patent Images

1. An air filter, comprising:

  • a filter media;

    a first support structure having a center portion and sidewalls positioned on opposite sides of the center portion, the center portion of the first support structure attached to a first side of the filter media; and

    a frame having a plurality of sections, each of the sections having a center portion and sidewalls positioned on opposite sides of the center portion, a first frame section attached to the first support structure by connecting the sidewalls of the first frame section to the sidewalls of the first support structure to form a hollow channel between the first support structure center portion and the first frame section center portion, and between the sidewalls of the first support structure.

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