Pleated filter media with embossed spacers and cross flow

Details Pleated filter media with embossed spacers and cross flow Pleated filter media with embossed spacers and cross flow

2006-10-17

2006-10-17

Greene, Jason M. (Department: 1724)

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

C055S385300, C055S502000, C055S511000, C055S521000, C210S487000, C210S493300, C210S493500

Reexamination Certificate

active

07122068

ABSTRACT:
A panel filter element has a pleated filter media having peaks and valleys arranged in pleated sets of first and second panels. The pleated sets are adhered along side edges to form clean-side pockets which open adjacent to the valleys. The first and second panels have elongated embossments projecting both into and away from the pockets to keep the pockets open and to keep the pleated sets separate. Dirty air flows into the filter media both transverse to the peaks and laterally between the pleated sets of first and second panels. By having dirty air to be filtered flowing both transversly and laterally, the dirt holding capacity of the filter is increased while increases in restriction are minimized.

REFERENCES:
patent: 5066400 (1991-11-01), Rocklitz et al.
patent: 6315805 (2001-11-01), Strauss
patent: 6402800 (2002-06-01), Rey
patent: 6824581 (2004-11-01), Tate et al.
patent: 5-131104 (1993-05-01), None

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