Filter elements for circulating air systems

Details Filter elements for circulating air systems Filter elements for circulating air systems

2008-10-13

2011-11-22

Greene, Jason M (Department: 1776)

Gas separation

Two or more separators

Three or more serially spaced

C055S482000, C055S486000, C055S487000, C055S488000, C055S489000, C055S490000, C055S491000, C055S492000, C055S501000, C055S522000, C055S524000, C055S525000, C055S528000

Reexamination Certificate

active

08062403

ABSTRACT:
An improvement to a reusable filtering assembly used in circulating air systems for residential or commercial heating and air conditioning systems. A series of layers consisting of filtering materials disposed between two framing units are comprised of the following: expanded metal lath, a layer of small fiber material, a layer of large fiber material, a layer of small crimp wire cloth, a layer of small fiber material, and a last layer of expanded metal lath. The present invention further comprises a stage loaded series of layers wherein the direction of air flow is from the first layer to the sixth layer comprising: Expanded Metal Lath, Small Fiber, Large Fiber, Small Crimp Wire Cloth, Small Fiber, and Expanded Metal Lath.

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