Gas filtering apparatus

Details Gas filtering apparatus Gas filtering apparatus

2011-08-09

2011-08-09

Hopkins, Robert A (Department: 1776)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S385300, C055S497000

Reexamination Certificate

active

07993421

ABSTRACT:
An air cleaner including a front housing, a rear housing, and a filter. The filter includes a plurality of parallel folds and partitions a pre-filtering chamber and a post-filtering chamber. The air cleaner circulates air, which enters the pre-filtering chamber through an inlet port, to the post-filtering chamber to filter the air. The pre-filtering chamber includes a diffusion zone located outward from an end of the filter in a folding direction of the filter. The inlet port extends in a direction orthogonal to the folding direction of the filter along a plane parallel to the filtering surface of the filter and opens in the diffusion zone.

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patent: 2001 115910 (2001-04-01), None
patent: 2004 520515 (2004-07-01), None

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