Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1992-12-23
1994-01-25
Hart, Charles
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
55320, 55337, 55356, 55429, 55472, B01D 4600, B01D 4640
Patent
active
052812464
ABSTRACT:
An air cleaner assembly for capturing and filtering fumes is provided which comprises a housing having an inlet and an outlet, a pair of filter cartridges supported therein and a blower. A channel and baffle assembly direct the flow of air drawn into the housing in a vortical pattern around the filter cartridges to separate heavier particles in the air and to efficiently draw the air through the filter cartridges. The separated particles collect in a pair of dust trays that are provided with flow directional lips to prevent the vortical air flow from disturbing the deposited particles. A backflushing assembly cleans the filter cartridges of the particles that are collected thereon by pulsing the particles away with a blast of air directed through the entire length of the filter cartridges.
REFERENCES:
patent: 3818817 (1974-06-01), Nederman
patent: 4158462 (1979-06-01), Coral
patent: 4163650 (1979-08-01), Watson et al.
patent: 4718924 (1988-01-01), DeMarco
patent: 4802983 (1989-02-01), Howeth
patent: 4860644 (1989-08-01), Kohl et al.
patent: 4868948 (1989-09-01), Arnold
patent: 4957520 (1990-09-01), Parmentier et al.
patent: 5097750 (1992-03-01), Oldham et al.
patent: 5147427 (1992-09-01), Abbot et al.
Kemper "Always a Clean Solution", one page.
Nederman "Pivoting Arm", four pages.
Nelson Robert G.
Ray Shaun
Hart Charles
McCarthy Bill D.
Metal-Fab, Inc.
Watson Louis W.
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