Cast formed filter and method of making the same

Details Cast formed filter and method of making the same Cast formed filter and method of making the same

2011-05-31

2011-05-31

Smith, Duane (Department: 1776)

Gas separation

Two or more separators

Spaced for parallel flow of gas

C055S523000, C055S528000

Reexamination Certificate

active

07951219

ABSTRACT:
A cast formed filter and a method for making the filter are provided. The cast formed filter includes a cast formed filter media having an inlet end, an outlet end, a plurality of inlet openings, a plurality of outlet openings, and a fluid path. The plurality of inlet openings extend from the inlet end into the cast formed filter media, wherein a first portion of the cast formed filter media is disposed between each of the plurality of inlet openings and the outlet end. The plurality of outlet openings extend from the outlet end into the cast formed filter media, wherein a second portion of the cast formed filter media is disposed between each of the plurality of outlet openings and the inlet end, the second portion comprising at least a portion of the first portion of cast formed filter media. The fluid path extends through at least one of the plurality of inlet openings and through at least one of the plurality of outlet openings, wherein fluid flowing through the fluid path is filtered by the cast formed filter media.

REFERENCES:
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patent: 6673136 (2004-01-01), Gillingham et al.
patent: 2001/0032545 (2001-10-01), Goto et al.
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patent: 2003/0101701 (2003-06-01), Henrichsen et al.
patent: 2006/0019061 (2006-01-01), Oshimi
patent: 2006/0070364 (2006-04-01), Reamsnyder et al.
International Search Report dated Feb. 22, 2008 for PCT/US2007/77213.
Written Opinion of the International Searching Authority dated Feb. 22, 2008 for PCT/US2007/77213.

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