Safety filter element

Details Safety filter element Safety filter element

2007-08-28

2007-08-28

Smith, Duane (Department: 1724)

Gas separation

Two or more separators

C055S502000, C055S510000

Reexamination Certificate

active

10979952

ABSTRACT:
A filter element for filtering fluids and gasses flowing through a filter housing is provided. The filter element includes a permeable filter media for filtration of contaminants and a rigid frame for supporting and retaining the filter media. To ensure that gasses and fluids flow through the filter media rather than around the filter element, a resilient seal element is attached along an outer peripheral surface of the frame. The seal element can be resiliently compressed between the inner surface of the filter housing and the outer peripheral surface to create a sealing effect therebetween. To prevent the filter media from interfering with the seal element, the filter media is substantially constrained within the outer peripheral surface of the frame.

REFERENCES:
patent: 5879423 (1999-03-01), Luka et al.
patent: 6045598 (2000-04-01), Fath et al.
patent: 6179890 (2001-01-01), Ramos et al.
patent: 6221122 (2001-04-01), Gieseke et al.
patent: 6610116 (2003-08-01), Avery
patent: 6802879 (2004-10-01), Scanlon
patent: 42 20 560 (1993-09-01), None

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