Multi-throat air filter

Details Multi-throat air filter Multi-throat air filter

2011-06-21

2011-06-21

Clemente, Robert A (Department: 1776)

Gas separation

With means securing or retaining separating media

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

C055S498000, C055S502000, C055S507000, C055S510000

Reexamination Certificate

active

07964011

ABSTRACT:
An air filter is provided having a filter body and a throat connected to a bottom of the filter body. The throat includes a plurality of throat sections. Each of the plurality of throat sections has a different inner diameter. The throat may further included molded trim guides for facilitating trimming of the throat at throat section interfaces.

REFERENCES:
patent: 5112372 (1992-05-01), Boeckermann et al.
patent: 5458666 (1995-10-01), Miyakata
patent: 5919279 (1999-07-01), Merritt et al.
patent: 7115156 (2006-10-01), Schaerlund et al.
patent: 2002/0053193 (2002-05-01), Sugano
patent: 2004/0244586 (2004-12-01), Schaerlund et al.
patent: 2009/0019823 (2009-01-01), Juliar et al.
patent: 2009/0163131 (2009-06-01), Walkinshaw et al.

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