US 7,320,723 B2 | ||
Exhaust gas filter and filtering system | ||
Robert R. Sewell, Sr., Wendell, Id. (US) | ||
Assigned to Air Institution, Inc., Cochise, Ariz. (US) | ||
Filed on Nov. 16, 2004, as Appl. No. 10/988,566. | ||
Application 10/988566 is a continuation in part of application No. 10/716708, filed on Nov. 20, 2003, abandoned. | ||
Prior Publication US 2005/0126139 A1, Jun. 16, 2005 | ||
Int. Cl. B01D 46/30 (2006.01); F01N 3/022 (2006.01) |
U.S. Cl. 55—512 [55/385.3; 55/490; 55/503; 55/515; 55/516; 55/518; 55/519; 55/523; 55/DIG. 10; 55/DIG. 30; 55/DIG. 37; 96/138; 96/139; 96/147; 96/153; 96/383; 96/386; 60/311] | 17 Claims |
1. An exhaust gas filtering system comprising:
a guard casing;
a filter cartridge operatively secured inside said guard casing, such that said guard casing houses said filter cartridge;
a diatomite material operatively present in said filter cartridge;
a first longitudinal wall having a plurality of gas-permeable openings,
a second longitudinal wall having a plurality of gas-permeable openings, wherein said first longitudinal wall is operatively
positioned in substantial spaced alignment with said second longitudinal wall;
the diatomite material operatively present between said first longitudinal wall and said second longitudinal wall; and
a mesh tube operatively positioned outside and around said first longitudinal wall and said second longitudinal wall, said
mesh tube having a plurality of mesh openings.
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